TX2 Series Relay Datasheet by Panasonic Electric Works

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© Panasonic Corporation 2019
1
industrial.panasonic.com/ac/e/ ASCTB18E 201903
2019.03
ORDERING INFORMATION
TYPICAL APPLICATIONSFEATURES
TX RELAYS
2, 000 V AC
breakdown voltage,
2 Form C and 2 A relays
1. 2,000 V breakdown voltage between
contact and coil
2. Outstanding surge resistance.
1,500 V 10×160μ sec. (FCC part 68)
(open contacts)
2,500 V 2×10μ sec. (Telcordia)
(contact and coil)
3. Nominal operating power: High
sensitivity of 140mW
4. High contact capacity: 2 A 30 V DC
5. Compact size
15.0 (L) × 7.4 (W) × 8.2 (H) mm
.591 (L) × .291 (W) × .323 (H) inch
6. High contact reliability
High contact reliability is achieved by
the use of gold-clad twin crossbar
contacts, low-gas formation materials,
mold sealing the coil section, and by
controlling organic gas in the coil.
*We also offer a range of products
with AgPd contacts suitable for use
in low level load analog circuits
1. Communications (xDSL,
Transmission)
2. Measurement
3. Security
4. Home appliances, and audio/visual
equipment
5. Medical equipment
Nominal coil voltage (DC)*1
1.5, 3, 4.5, 5, 6, 9, 12, 24, 48V (48V coil type: Single side stable only)
Contact arrangement
2: 2 Form C
TX 2
Terminal shape
Nil: Standard PC board terminal or surface-mount terminal
Contact material
Nil:
1:
Standard contact (Ag+Au clad)
AgPd contact (low level load); AgPd+Au clad (stationary), AgPd (movable)
Operating function
Nil:
L :
L2:
LT:
Single side stable
1 coil latching
2 coil latching (SET = 1,6 Pin)
2 coil latching (SET = 1,12 Pin)
Surface-mount availability
Nil:
SA:
SS:
Standard PC board terminal type
SA type
SS type
Packing style*2
Nil:
X:
W:
Z:
Y:
Tube packing
Tape and reel (picked from 1/3/4/5-pin side)
Tape and reel packing (picked from the 1/3/4/5-pin side)
With humidity indicator and silica gel in moisture proof bag
Tape and reel packing (picked from the 8/9/10/12-pin side)
Tape and reel packing (picked from the 8/9/10/12-pin side)
With humidity indicator and silica gel in moisture proof bag
Note 1) In case of 5 V transistor drive circuit, it is recommended to use 4.5 V type relay
Note 2) The “W” and “Y” at the end of the part number only appears on the inner and outer packing.
It does not appear on the relay itself.
Automation Controls Catalog
TX
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© Panasonic Corporation 2019 ASCTB18E 201903
RATING
1.Coil data
1) Single side stable
• Operating characteristics such as ‘Operate voltage’ and ‘Release voltage’ are influenced by mounting conditions, ambient
temperature, etc.
Therefore, please use the relay within ± 5% of rated coil voltage.
• ‘Initial’ means the condition of products at the time of delivery.
2) 1 coil latching
1) Tube packing
2) Tape and reel packing
Nominal coil
voltage
Pick-up voltage
(at 20°C 68°F)
Drop-out voltage
(at 20°C 68°F)
Nominal operating
current
[±10%] (at 20°C 68°F)
Coil resistance
[±10%] (at 20°C 68°F)
Nominal operating
power
Max. applied
voltage
(at 20°C 68°F)
3 V DC
75%V or less of
nominal voltage*
(Initial)
10%V or more of
nominal voltage*
(Initial)
46.7 mA 64.3 Ω
140 mW 150%V of
nominal voltage
4.5 V DC
31 mA
145 Ω
5 V DC 28.1 mA 178 Ω
6 V DC 23.3 mA 257 Ω
9 V DC 15.5 mA 579 Ω
12 V DC 11.7 mA 1,028 Ω
24 V DC 5.8 mA 4,114 Ω
Nominal coil
voltage
Set voltage
(at 20°C 68°F)
Reset voltage
(at 20°C 68°F)
Nominal operating
current
[±10%] (at 20°C 68°F)
Coil resistance
[±10%] (at 20°C 68°F)
Nominal operating
power
Max. applied
voltage
(at 20°C 68°F)
Set coil Reset coil Set coil Reset coil Set coil Reset coil
3 V DC
75%V or less of
nominal voltage*
(Initial)
75%V or less of
nominal voltage*
(Initial)
66.7 mA 66.7 mA 45 Ω 45 Ω
200 mW 200 mW 150%V of
nominal voltage
4.5 V DC 44.5 mA 44.5 mA 101.2 Ω 101.2 Ω
5 V DC 40 mA 40 mA 125 Ω 125 Ω
6 V DC 33.3 mA 33.3 mA 180 Ω 180 Ω
9 V DC 22.2 mA 22.2 mA 405 Ω 405 Ω
12 V DC 16.7 mA 16.7 mA 720 Ω 720 Ω
24 V DC 8.3 mA 8.3 mA 2,880 Ω 2,880 Ω
Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.
Note: Please add “-1” to the end of the part number for AgPd contacts (low level load).
Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.
Note: Please add “-1” to the end of the part number for AgPd contacts (low level load).
Standard packing: Tape and reel: 500 pcs.; Case: 1,000 pcs.
Notes: 1. Tape and reel packing symbol “-Z” is not marked on the relay. “X” type tape and reel packing (picked from 1/3/4/5-pin side) is also available.
2. Tape and reel packing symbol “-Y” is not marked on the relay. “W” type tape and reel packing (picked from 1/3/4/5-pin side) is also available.
3. Please add “-1” to the end of the part number for AgPd contacts (low level load).
*Pulse drive (JIS C 5442-1986)
TYPES
1. Standard PC board terminal
2. Surface-mount terminal
Contact
arrangement
Nominal coil
voltage
Single side stable 2 coil latching
Part No. Part No.
2 Form C
3 V DC TX2-3V TX2-LT-3V
4.5 V DC TX2-4.5V TX2-LT-4.5V
5 V DC TX2-5V TX2-LT-5V
6 V DC TX2-6V TX2-LT-6V
9 V DC TX2-9V TX2-LT-9V
12 V DC TX2-12V TX2-LT-12V
24 V DC TX2-24V TX2-LT-24V
Contact
arrangement
Nominal coil
voltage
Single side stable 2 coil latching
Part No. Part No.
2 Form C
3 V DC TX2SA-3V TX2SA-LT-3V
4.5 V DC TX2SA-4.5V TX2SA-LT-4.5V
5 V DC TX2SA-5V TX2SA-LT-5V
6 V DC TX2SA-6V TX2SA-LT-6V
9 V DC TX2SA-9V TX2SA-LT-9V
12 V DC TX2SA-12V TX2SA-LT-12V
24 V DC TX2SA-24V TX2SA-LT-24V
Contact
arrangement
Nominal coil
voltage
Single side stable 2 coil latching
Part No. Part No.
2 Form C
3 V DC TX2SA-3V-Z TX2SA-LT-3V-Z
4.5 V DC TX2SA-4.5V-Z TX2SA-LT-4.5V-Z
5 V DC TX2SA-5V-Z TX2SA-LT-5V-Z
6 V DC TX2SA-6V-Z TX2SA-LT-6V-Z
9 V DC TX2SA-9V-Z TX2SA-LT-9V-Z
12 V DC TX2SA-12V-Z TX2SA-LT-12V-Z
24 V DC TX2SA-24V-Z TX2SA-LT-24V-Z
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3
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2. Specifications
Notes: *1 This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load. (AgPd contact type is available for low level load switching [10V DC, 10mA max. level]).
*2 Refer to “AMBIENT ENVIRONMENT” in GENERAL APPLICATION GUIDELINES.
Characteristics Item Specifications
Contact
Arrangement 2 Form C
Initial contact resistance, max. Max. 100 mΩ (By voltage drop 6 V DC 1A)
Contact material Standard contact: Ag+Au clad,
AgPd contact (low level load): AgPd+Au clad (stationary), AgPd (movable)
Rating
Nominal switching capacity Standard contact: 2 A 30 V DC, AgPd contact: 1 A 30 V DC (resistive load)
Max. switching power Standard contact: 60 W (DC), AgPd contact: 30 W (DC) (resistive load)
Max. switching voltage 220V DC
Max. switching current Standard contact: 2 A, AgPd contact: 1 A
Min. switching capacity (Reference value)*110µA 10mV DC
Nominal operating
power
Single side stable 140 mW (3 to 24 V DC)
2 coil latching 200 mW (3 to 24 V DC)
Electrical
characteristics
Insulation resistance (Initial) Min. 1,000MΩ (at 500V DC) Measurement at same location as “Initial breakdown voltage” section.
Breakdown voltage
(Initial)
Between open contacts 1,000 Vrms for 1min. (Detection current: 10mA)
Between contact and coil 2,000 Vrms for 1min. (Detection current: 10mA)
Between contact sets 1,000 Vrms for 1min. (Detection current: 10mA)
Surge breakdown
voltage (Initial)
Between open contacts 1,500 V (10×160µs) (FCC Part 68)
Between contacts and coil 2,500 V (2×10µs) (Telcordia)
Temperature rise (at 20°C 68°F)Max. 50°C
(By resistive method, nominal coil voltage applied to the coil; contact carrying current: 2A.)
Operate time [Set time] (at 20°C 68°F) Max. 4 ms [Max. 4 ms] (Nominal coil voltage applied to the coil, excluding contact bounce time.)
Release time [Reset time] (at 20°C 68°F)Max. 4 ms [Max. 4 ms] (Nominal coil voltage applied to the coil, excluding contact bounce time.)
(without diode)
Mechanical
characteristics
Shock resistance Functional Min. 750 m/s2 (Half-wave pulse of sine wave: 6 ms; detection time: 10µs.)
Destructive Min. 1,000 m/s2 (Half-wave pulse of sine wave: 6 ms.)
Vibration resistance Functional 10 to 55 Hz at double amplitude of 3.3 mm (Detection time: 10µs.)
Destructive 10 to 55 Hz at double amplitude of 5 mm
Expected life Mechanical Min. 108 (at 180 cpm)
Electrical (Standard contact) Min. 105 (2 A 30 V DC resistive), 5×105 (1 A 30 V DC resistive) (at 20 cpm)
Conditions Conditions for operation, transport and storage*2
Ambient temperature: –40°C to +85°C (up to 24 V coil) –40°F to +185°F (up to 24 V coil)
[–40°C to +70°C (48 V coil) –40°F to +158°F (48 V coil)];
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Max. operating speed (at rated load) 20 cpm
Unit weight Approx. 2 g .071 oz
REFERENCE DATA
1.Maximum switching capacity
4. Electrical life (2A 30V DC resistive load)
Tested sample: TX2-5V, 6 pcs.
Operating speed: 20 cpm
Change of pick-up and drop-out voltage
2. Life curve
Change of contact resistance
3. Mechanical life
Tested sample: TX2-5V, 10 pcs.
Operating speed: 180 cpm
5. Coil temperature rise
Tested sample: TX2-5V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25°C 77°F, 85°C 185°F
0.2
0.3
0.4
0.5
1.0
2.0
3.0
20 30 50 100 200 300
DC resistive load
0
Contact voltage, V
Switching current, A
1.0 2.0
100
50
30
20
10
0
Switching current, A
No. of operations ×104
30V DC
resistive load
0
10
100 10,0001,00010
Max.
Max.
Min.
Min.
20
30
40
50
60
70
80
90
100
No. of operations, ×104
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
101
Max.
Min.
Min.
0
10
20
30
40
50
60
70
80
90
100
23456789
Max.
No. of operations, ×104
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
101
Max.
Min.
0
10
20
30
40
50
60
70
80
90
100
23456789
No. of operations, ×104
Contact resistance, mΩ
10
30
60
70
100 120 150
0
20
40
50
110 130 140
2A
2A
0A
0A
+25°C
+85°C
Coil applied voltage, %
Temperature rise, °C
+77°F
+185°F
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© Panasonic Corporation 2019 ASCTB18E 201903
10-(1). Influence of adjacent mounting
Tested sample: TX2-12V, 6 pcs.
11. Pulse dialing test
Tested sample: TX2-5V, 6 pcs.
(35 mA 48 V DC wire spring relay load)
10-(2). Influence of adjacent mounting
Tested sample: TX2-12V, 6 pcs.
Change of pick-up and drop-out voltage
Note: Data of surface-mount type are the same as those of PC board terminal type.
6-(1). Operate and release time (with diode)
Tested sample: TX2-5V, 10 pcs.
8-(1). High frequency characteristics
(Isolation)
Tested sample: TX2-12V, 2 pcs.
6-(2). Operate and release time (without diode)
Tested sample: TX2-5V, 10 pcs.
8-(2). High frequency characteristics
(Insertion loss)
Tested sample: TX2-12V, 2 pcs.
7. Ambient temperature characteristics
Tested sample: TX2-5V, 5 pcs.
9. Malfunctional shock (single side stable)
Tested sample: TX2-5V, 6 pcs.
Change of contact resistance
1
2
4
5
70 80 100 120
0
3
90 110
Max.
Max.
Min.
Min.
Coil applied voltage, %V
Operate and release time, ms
Operate time
Release time
1
2
4
5
70 80 100 120
0
3
90 110
Max.
Max.
Min.
Min.
Coil applied voltage, %V
Operate and release time, ms
Operate time
Release time
–40
40
20
–20
–40 –20 0 20 40 60 80
x
x
Ambient temperature, °C
Rate of change, %
Drop-out
voltage
Pick-up voltage
50
10 100 1,000
100
Frequency, MHz
Isolation, dB
0.6
10 100 1,000
0.2
0.4
1.0
0.8
Frequency, MHz
Insertion loss, dB
Y'
Y
X Z
Z' X'
Y
Y'
Z' ZXX'
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
Deenergized condition
Energized condition
–5
0
5
–5
0
5ON ON
OFF OFF
1062 4 80
OFF
ON
Pick-up voltage
Drop-out voltage
Inter-relay distance , mm
Rate of change, % Rate of change, %
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inch
–5
0
5
–5
0
5ON
ON
ON
OFF
OFF
OFF
1062 4 80
Pick-up voltage
Drop-out voltage
Inter-relay distance , mm
Rate of change, % Rate of change, %
.394.236.079 .157 .315
inch
48V DC
458 Ω
0.08
μF 0.08
μF
458 Ω
4
3TX
+
Wire spring relay
0
10
20 503010
Max.
Max.
Min.
Min.
20
30
40
50
60
70
80
90
100
40
No. of operation, ×104
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
50
Max.
Min.
0
10
20
30
40
50
60
70
80
90
100
10 20 30 40
No. of operations, ×104
Contact resistance, mΩ
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5
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DIMENSIONS (mm inch)The CAD data of the products with a CAD Data mark can be downloaded from https://industrial.panasonic.com/ac/e/
CAD Data
CAD Data
External dimensions External dimensions
Single side stable type 2 coil latching type
1. Standard PC board terminal and Self clinching terminal
2. Surface-mount terminal
PC board pattern
(Bottom view)
PC board pattern
(Bottom view)
Standard PC board terminal Standard PC board terminal
(Deenergized condition) (Reset condition)
General tolerance: ±0.3 ±.012 General tolerance: ±0.3 ±.012
Tolerance: ±0.1 ±.004 Tolerance: ±0.1 ±.004
Schematic (Bottom view)
Single side stable
Schematic (Bottom view)
2 coil latching
Type
External dimensions (General tolerance: ±0.3 ±.012) Suggested mounting pad (Top view) (Tolerance: ±0.1 ±.004)
Single side stable type 2 coil latching type Single side stable type 2 coil latching type
SA type
Schematic (Top view)
Single side stable
(Deenergized condition) (Reset condition)
2 coil latching
5.08
2.54
8-1.0 dia.
10.16
.200
.100
8-.039 dia.
.400
.591
15
0.65
.026 5.08
.200
5.08
.200
2.54
.100
8.2
.323
0.5
.020
0.25
.010
8.4
.331
9.4±0.5
.370±.020
.291
7.4
Direction indication
1 3 4 5
12 10 9 8
+
15.00
.591 7.40
.291
0.25
.010
1.15
.020
0.50
5.08 2.54
.045 .200 .100
5.08
.200
8.20
.323
3.50
.138
.026
0.65
.591
15
0.65
.026 5.08
.200
5.08
.200
2.54
.100
8.2
.323
0.5
.020
0.25
.010
8.4
.331
9.4±0.5
.370±.020
.291
7.4
Direction indication
+
+
12 10 9 8 7
1 3 4 5 6
5.08
.200
1
.039
.100
2.54
.124
3.16
7.24
.285
5.08
.200
1
.039
.100
2.54
.124
3.16
7.24
.285
15.00
1.15
.020
5.08 2.54
7.40
5.08
0.25
.591
0.50
.045 .200 .100
.291
.200
.010
.026
0.65
3.50
.138
8.20
.323
Direction indication
12 10 9 8 7
1 3 4 5 6
+
+
5.08
2.54
10-1.0 dia.
12.7
.200
.100
10-.039 dia.
.500
Direction indication
12 10 9 8
1 3 4 5
+
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© Panasonic Corporation 2019 ASCTB18E 201903
NOTES
1. Packing style
1) The relay is packed in a tube with the
relay orientation mark on the left side, as
shown in the figure below.
2. Automatic insertion
To maintain the internal function of the
relay, the chucking pressure should not
exceed the values below.
Chucking pressure in the direction A:
4.9 N {500gf} or less
Chucking pressure in the direction B:
9.8 N {1 kgf} or less
Chucking pressure in the direction C:
9.8 N {1 kgf} or less
Please chuck the portion.
Avoid chucking the center of the relay.
In addition, excessive chucking pressure
to the pinpoint of the relay should be
avoided.
(2) Dimensions of plastic reel
2) Tape and reel packing
(Surface-mount terminal type)
(1) Tape dimensions
mm inch
mm inch
2.0
.079
13 dia.
.512 dia.
21 dia.
.827 dia. 80 dia.
3.150 dia.
380 dia.
14.961 dia.
Relays
Tape coming out direction
16.0
.630 .394
4.0
24.0 ±0.3
.945 ±.012 ±0.2
9.2±.008
.362
0.4
C
BA
D
Relay polarity bar
(Z type) 2.0
11.5
1.75
15.5
.059 dia.
+.004
0
1.5 dia.
+0.1
0
.157 .016
.079 .069
.610
.453
10.0
Orientation (indicates PIN No.1) stripe
Stopper (gray) Stopper (green)
A
CB
5
85
Humidity (%RH)
Avoid icing
when used at
temperatures
lower than 0°C
Avoid con-
densation when
used at tem-
peratures higher
than 0°C
Allowable range
Temperature(
°C)
0 85-40
Ambient Environment
Usage, Transport, and Storage Conditions
During usage, storage, or transportation, avoid locations subjected
to direct sunlight and maintain normal temperature, humidity and
pressure conditions.
Temperature/Humidity
When transporting or storing relays while they are tube
packaged, there are cases the temperature may differ
from the allowable range. In this case be sure to check the
individual specifications.
Also allowable humidity level is influenced by temperature,
please check charts shown below and use relays within
mentioned conditions. (Allowable temperature values)
Please refer to "the latest product specifications"
when designing your product.
• Requests to customers :
https://industrial.panasonic.com/ac/e/salespolicies/
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c
GUIDELINES FOR SIGNAL RELAYS USAGE
Precautions for Coil Input
For cautions for use, please read “GUIDELINES FOR RELAY USAGE”.
https://industrial.panasonic.com/ac/e/control/relay/cautions_use/index.jsp
Long term current carrying
A circuit that will be carrying a current continuously for long periods
without relay switching operation. (circuits for emergency lamps, alarm
devices and error inspection that, for example, revert only during
malfunction and output warnings with form B contacts) Continuous,
long-term current to the coil will facilitate deterioration of coil insulation
and characteristics due to heating of the coil itself.
For circuits such as these, please use a magnetic-hold type latching
relay. If you need to use a single stable relay, use a sealed type relay
that is not easily affected by ambient conditions and make a failsafe
circuit design that considers the possibility of contact failure or
disconnection.
DC Coil operating power
Steady state DC current should be applied to the coil. The wave form
should be rectangular. If it includes ripple, the ripple factor should be
less than 5%.
However, please check with the actual circuit since the electrical
characteristics may vary. The rated coil voltage should be applied to
the coil and the set/reset pulse time of latching type relay differs for
each relays, please refer to the relay's individual specifications.
Coil connection
When connecting coils of polarized relays, please check coil polarity
(+,-) at the internal connection diagram (Schematic). If any wrong
connection is made, it may cause unexpected malfunction, like
abnormal heat, fire and so on, and circuit do not work. Avoid
impressing voltages to the set coil and reset coil at the same time.
Maximum allowable voltage and temperature rise
Proper usage requires that the rated coil voltage be impressed on the
coil. Note, however, that if a voltage greater than or equal to the
maximum continuous voltage is impressed on the coil, the coil may
burn or its layers short due to the temperature rise. Furthermore, do
not exceed the usable ambient temperature range listed in the catalog.
Maximum allowable voltage for coil
In addition to being a requirement for relay operation stability, the
maximum continuous impressed coil voltage is an important constraint
for the prevention of such problems as thermal deterioration or
deformity of the insulation material, or the occurrence of fire hazards.
Temperature rise due to pulse voltage
When a pulse voltage with ON time of less than 2 minutes is used, the
coil temperature rise bares no relationship to the ON time. This varies
with the ratio of ON time to OFF time, and compared with continuous
current passage, it is rather small. The various relays are essentially
the same in this respect.
Operate voltage change due to coil temperature rise 
 (Hot start)
In DC relays, after continuous passage of current in the coil, if the
current is turned OFF, then immediately turned ON again, due to the
temperature rise in the coil, the pick-up voltage will become somewhat
higher. Also, it will be the same as using it in a higher temperature
atmosphere. The resistance/temperature relationship for copper wire
is about 0.4% for 1°C, and with this ratio the coil resistance increases.
That is, in order to operate of the relay, it is necessary that the voltage
be higher than the pick-up voltage and the pick-up voltage rises in
accordance with the increase in the resistance value. However, for
some polarized relays, this rate of change is considerably smaller.
Current passage time (%)
For continuousu passage Tempereture rise value is
100
%
ON : OFF =
3
:
1
About
80
%
ON : OFF =
1
:
1
About
50
%
ON : OFF =
1
:
3
About
35
%
ON : OFF = 1 : 1
Voltage
Time
ASCTB414E 201906
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GUIDELINES FOR SIGNAL RELAYS USAGE
Others
Cleaning
1) Although the environmentally sealed type relay (plastic sealed type,
etc.) can be cleaned, avoid immersing the relay into cold liquid (such
as cleaning solvent) immediately after soldering. Doing so may
deteriorate the sealing performance.
2) Surface mount terminal type relay is sealed type and it can be
cleaned by immersion. Use pure water or alcohol-based cleaning
solvent.
Please refer to "the latest product specifications"
when designing your product.
•Requests to customers:
https://industrial.panasonic.com/ac/e/salespolicies/
3) Cleaning with the boiling method is recommended (The temperature
of cleaning liquid should be 40°C or lower).
Avoid ultrasonic cleaning on relays. Use of ultrasonic cleaning may
cause breaks in the coil or slight sticking of the contacts due to the
ultrasonic energy.
Ambient Environment
Dew condensation
Condensation occurs when the ambient temperature drops suddenly
from a high temperature and humidity, or the relay and microwave
device is suddenly transferred from a low ambient temperature to a
high temperature and humidity. Condensation causes the failures like
insulation deterioration, wire disconnection and rust etc.
Panasonic Corporation does not guarantee the failures caused by
condensation.
The heat conduction by the equipment may accelerate the cooling of
device itself, and the condensation may occur.
Please conduct product evaluations in the worst condition of the actual
usage. (Special attention should be paid when high temperature
heating parts are close to the device. Also please consider the
condensation may occur inside of the device.)
Icing
Condensation or other moisture may freeze on relays when the
temperature become lower than 0°C.This icing causes the sticking of
movable portion, the operation delay and the contact conduction failure
etc. Panasonic Corporation does not guarantee the failures caused by
the icing.
The heat conduction by the equipment may accelerate the cooling of
relay itself and the icing may occur. Please conduct product
evaluations in the worst condition of the actual usage.
Low temperature and low humidity
The plastic becomes brittle if the switch is exposed to a low
temperature, low humidity environment for long periods of time.
High temperature and high humidity
Storage for extended periods of time (including transportation periods)
at high temperature or high humidity levels or in atmospheres with
organic gases or sulfide gases may cause a sulfide film or oxide film to
form on the surfaces of the contacts and/or it may interfere with the
functions. Check out the atmosphere in which the units are to be
stored and transported.
Package
In terms of the packing format used, make every effort to keep the
effects of moisture, organic gases and sulfide gases to the absolute
minimum.
Storage requirements
Since the SMD type is sensitive to humidity it is packaged with tightly
sealed anti-humidity packaging. However, when storing, please be
careful of the following.
1) Please use promptly once the anti-humidity pack is opened.(Signal
relay: within 72 hours, Max. 30°C/70% RH). If left with the pack
open, the relay will absorb moisture which will cause thermal stress
when reflow mounting and thus cause the case to expand. As a
result, the seal may break.
2) If relays will not be used within 72 hours, please store relays in a
humidity controlled desiccator or in an anti-humidity bag to which
silica gel has been added.
* If the relay is to be soldered after it has been exposed to excessive
humidity atmosphere, cracks and leaks can occur. Be sure to mount
the relay under the required mounting conditions
3) The following cautionary label is affixed to the anti-humidity pack.
Silicon
When a source of silicone substances (silicone rubber, silicone oil,
silicone coating materials and silicone filling materials etc.) is used
around the relay, the silicone gas (low molecular siloxane etc.) may be
produced.
This silicone gas may penetrate into the inside of the relay. When the
relay is kept and used in this condition, silicone compound may adhere
to the relay contacts which may cause the contact failure. Do not use
any sources of silicone gas around the relay (Including plastic seal
types).
NOx Generation
When relay is used in an atmosphere high in humidity to switch a load
which easily produces an arc, the NOx created by the arc and the
water absorbed from outside the relay combine to produce nitric acid.
This corrodes the internal metal parts and adversely affects operation.
Avoid use at an ambient humidity of 85% RH or higher (at 20°C). If use
at high humidity is unavoidable, please contact our sales
representative.
ASCTB414E 201906
Panasonic Corporation Panasonic” ASCI'E‘i8E 201907
Please contact ..........
Electromechanical Control Business Division
industral.panasonic.com/ac/e/
Specifications are subject to change without notice.
1006, Oaza Kadoma, Kadoma-shi, Osaka 571-8506, Japan
©Panasonic Corporation 2019
ASCTB18E 201907

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