PTC Resettable Fuses

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Quantity Available
Price
Tariff Status
Series
Package
Product Status
Type
Voltage - Max
Current - Hold (Ih) (Max)
Current - Trip (It)
Current - Max
Time to Trip
Resistance - Initial (Ri) (Min)
Resistance - Post Trip (R1) (Max)
Operating Temperature
Grade
Qualification
Ratings
Mounting Type
Package / Case
Size / Dimension
Height - Seated (Max)
Thickness (Max)
Lead Spacing
Poly-Fuse 0603 (1608 Metric) Concave
0603L100SLYR
PTC RESET FUSE 6V 1A 0603
Littelfuse Inc.
26,591
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
1 A
1.8 A
50 A
300 ms
40 mOhms
120 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.063" L x 0.032" W (1.60mm x 0.80mm)
-
0.030" (0.75mm)
-
0805L, 0805 Concave Pkg
0805L150SLYR
PTC RESET FUSE 6V 1.5A 0805
Littelfuse Inc.
14,643
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
1.5 A
3 A
50 A
500 ms
15 mOhms
65 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0805 (2012 Metric), Concave
0.083" L x 0.053" W (2.10mm x 1.35mm)
-
0.030" (0.75mm)
-
Poly-Fuse 0603 (1608 Metric) Concave
0603L150SLYR
PTC RESET FUSE 6V 1.5A 0603
Littelfuse Inc.
13,007
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
1.5 A
3 A
50 A
500 ms
7 mOhms
80 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.063" L x 0.032" W (1.60mm x 0.80mm)
-
0.039" (1.00mm)
-
Poly-Fuse 0603 (1608 Metric) Concave
0603L075SLYR
PTC RESET FUSE 6V 750MA 0603
Littelfuse Inc.
12,754
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
750 mA
1.5 A
50 A
200 ms
20 mOhms
165 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.063" L x 0.032" W (1.60mm x 0.80mm)
-
0.030" (0.75mm)
-
Poly-Fuse 0603 (1608 Metric) Concave
0603L050SLYR
PTC RESET FUSE 6V 500MA 0603
Littelfuse Inc.
12,000
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
500 mA
1 A
50 A
100 ms
70 mOhms
350 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.063" L x 0.032" W (1.60mm x 0.80mm)
-
0.030" (0.75mm)
-
0805L, 0805 Concave Pkg
0805L075SLYR
PTC RESET FUSE 6V 750MA 0805
Littelfuse Inc.
11,846
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
750 mA
1.5 A
50 A
200 ms
40 mOhms
160 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0805 (2012 Metric), Concave
0.083" L x 0.053" W (2.10mm x 1.35mm)
-
0.030" (0.75mm)
-
Poly-Fuse 0603 (1608 Metric) Concave
0603L175SLYR
PTC RESET FUSE 6V 1.75A 0603
Littelfuse Inc.
7,502
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
1.75 A
3.5 A
50 A
600 ms
5 mOhms
60 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.063" L x 0.032" W (1.60mm x 0.80mm)
-
0.039" (1.00mm)
-
1206L_Concave
1206L200SLYR
PTC RESET FUSE 6V 2A 1206
Littelfuse Inc.
6,977
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
2 A
4 A
50 A
500 ms
5 mOhms
25 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1206 (3216 Metric), Concave
0.128" L x 0.065" W (3.25mm x 1.65mm)
-
0.024" (0.60mm)
-
0805L, 0805 Concave Pkg
0805L200SLTHYR
PTC RESET FUSE 6V 2A 0805
Littelfuse Inc.
4,084
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
2 A
4 A
50 A
1 s
5 mOhms
45 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0805 (2012 Metric), Concave
0.083" L x 0.053" W (2.10mm x 1.35mm)
-
0.030" (0.75mm)
-
1206L, 1206 Concave Pkg
1206L350SLTHYR
PTC RESET FUSE 6V 3.5A 1206
Littelfuse Inc.
3,323
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
3.5 A
7 A
50 A
5 s
3 mOhms
18 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1206 (3216 Metric), Concave
0.128" L x 0.065" W (3.25mm x 1.65mm)
-
0.030" (0.75mm)
-
POLYFUSE-1206L
1206L075SLYR
PTC RESET FUSE 6V 750MA 1206
Littelfuse Inc.
1,942
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
750 mA
1.5 A
50 A
300 ms
17 mOhms
180 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1206 (3216 Metric), Concave
0.126" L x 0.065" W (3.20mm x 1.65mm)
-
0.030" (0.75mm)
-
1206L_Concave
1206L150SLYR
PTC RESET FUSE 6V 1.5A 1206
Littelfuse Inc.
464
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
1.5 A
3.9 A
50 A
300 ms
10 mOhms
65 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1206 (3216 Metric), Concave
0.126" L x 0.065" W (3.20mm x 1.65mm)
-
0.028" (0.70mm)
-
0603LxxxSL-VYR
0603L200SL-VYR
PTC RESET FUSE 2.0A 6V 0603
Littelfuse Inc.
403
In Stock
1 : $1.97000
Cut Tape (CT)
4,000 : $0.72875
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
2 A
4 A
50 A
1 s
5 mOhms
40 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
0.039" (1.00mm)
-
1812L300-24SLER
1812L300/24SLER
PTC RESET FUSE 3.0A 24V 1812
Littelfuse Inc.
16,666
In Stock
1 : $2.30000
Cut Tape (CT)
2,500 : $0.86125
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
24V
3 A
6 A
50 A
2 s
1 mOhms
30 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1812 (4532 Metric), Concave
0.181" L x 0.128" W (4.60mm x 3.24mm)
-
0.032" (0.82mm)
-
1206L260-12SLYR
1206L400/12SLWR
PTC RESET FUSE 4.0A 12V 1206
Littelfuse Inc.
1,129
In Stock
1 : $2.30000
Cut Tape (CT)
3,000 : $0.86125
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
12V
4 A
8 A
50 A
2 s
3 mOhms
16 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1206 (3216 Metric), Concave
0.126" L x 0.065" W (3.20mm x 1.65mm)
-
0.055" (1.40mm)
-
1206L, 1206 Concave Pkg
1206L400SLWR
PTC RESET FUSE 6V 4A 1206
Littelfuse Inc.
650
In Stock
1 : $2.30000
Cut Tape (CT)
3,000 : $0.86125
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
4 A
8 A
50 A
2 s
1 mOhms
14 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1206 (3216 Metric), Concave
0.128" L x 0.065" W (3.25mm x 1.65mm)
-
0.055" (1.40mm)
-
POLY-FUSE®, LoRho_0402L
0402L075SLKR
PTC 6V POLYFUSE SMT 0402 SL 0.75
Littelfuse Inc.
29,310
In Stock
1 : $2.58000
Cut Tape (CT)
10,000 : $1.09838
Tape & Reel (TR)
Tariff may apply if shipping to the United States
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
750 mA
1.5 A
40 A
100 ms
30 mOhms
300 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0402 (1005 Metric), Concave
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
0.024" (0.60mm)
-
POLY-FUSE®, LoRho_0402L
0402L005KR
PTC 9V POLYFUSE SMT 0402 .05A
Littelfuse Inc.
21,836
In Stock
1 : $2.58000
Cut Tape (CT)
10,000 : $1.09838
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
9V
50 mA
200 mA
40 A
1.5 s
1.5 Ohms
20 Ohms
-40°C ~ 85°C
-
-
-
Surface Mount
0402 (1005 Metric), Concave
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
0.024" (0.60mm)
-
POLY-FUSE®, LoRho_0402L
0402L020SLKR
PTC RESET FUSE 6V 200MA 0402
Littelfuse Inc.
29,468
In Stock
1 : $2.86000
Cut Tape (CT)
10,000 : $1.09838
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
200 mA
500 mA
40 A
1 s
100 mOhms
1.25 Ohms
-40°C ~ 85°C
-
-
-
Surface Mount
0402 (1005 Metric), Concave
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
0.024" (0.60mm)
-
POLY-FUSE®, LoRho_0402L
0402L010SLKR
PTC RESET FUSE 6V 100MA 0402
Littelfuse Inc.
28,050
In Stock
1 : $2.86000
Cut Tape (CT)
10,000 : $1.09838
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
100 mA
300 mA
40 A
1 s
150 mOhms
2 Ohms
-40°C ~ 85°C
-
-
-
Surface Mount
0402 (1005 Metric), Concave
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
0.024" (0.60mm)
-
POLY-FUSE®, LoRho_0402L
0402L035SLKR
PTC RESET FUSE 6V 350MA 0402
Littelfuse Inc.
17,142
In Stock
1 : $2.86000
Cut Tape (CT)
10,000 : $1.09838
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
350 mA
700 mA
50 A
100 ms
50 mOhms
700 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0402 (1005 Metric), Concave
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
0.024" (0.60mm)
-
POLY-FUSE®, LoRho_0402L
0402L050SLKR
PTC RESET FUSE 6V 500MA 0402
Littelfuse Inc.
15,986
In Stock
1 : $2.86000
Cut Tape (CT)
10,000 : $1.09838
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
500 mA
1 A
50 A
100 ms
40 mOhms
400 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
0402 (1005 Metric), Concave
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
0.024" (0.60mm)
-
1206L_Concave
1206L150/12SLYR
PTC RESET FUSE 12V 1.5A 1206
Littelfuse Inc.
17,441
In Stock
1 : $2.90476
Cut Tape (CT)
4,000 : $1.11563
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
12V
1.5 A
3 A
50 A
300 ms
10 mOhms
80 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
1206 (3216 Metric), Concave
0.126" L x 0.065" W (3.20mm x 1.65mm)
-
0.033" (0.85mm)
-
2920L500-24SLDR
2920L500/24SLDR
PTC RESET FUSE 5.0A 24V 2920
Littelfuse Inc.
24,811
In Stock
1 : $3.24000
Cut Tape (CT)
1,500 : $1.25875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
24V
5 A
10 A
50 A
2 s
1 mOhms
18 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2920 (7351 Metric), Concave
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.079" (2.00mm)
-
2920L500-24SLDR
2920L700/24SLER
PTC RESET FUSE 7.0A 24V 2920
Littelfuse Inc.
9,552
In Stock
1 : $3.24000
Cut Tape (CT)
2,500 : $1.25875
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
24V
7 A
14 A
50 A
2 s
1 mOhms
10 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2920 (7351 Metric), Concave
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.079" (2.00mm)
-
Showing
of 86

PTC Resettable Fuses

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.