JFETs

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Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	FET Type	Voltage - Breakdown (V(BR)GSS)	Drain to Source Voltage (Vdss)	Current - Drain (Idss) @ Vds (Vgs=0)	Current Drain (Id) - Max	Voltage - Cutoff (VGS off) @ Id	Input Capacitance (Ciss) (Max) @ Vds	Resistance - RDS(On)	Power - Max	Operating Temperature	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
TF412ST5G JFET N-CH 30V 10MA SOT883 onsemi	65,965 In Stock 8,000 Factory	1 : $0.51124 Cut Tape (CT) 8,000 : $0.09941 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	30 V	30 V	1.2 mA @ 10 V	10 mA	180 mV @ 1 µA	4pF @ 10V	-	100 mW	150°C (TJ)	-	-	Surface Mount	3-XFDFN	SOT-883 (XDFN3) (1x0.6)
MMBFJ175LT1G JFET P-CH 30V SOT23-3 onsemi	14,134 In Stock	1 : $0.51000 Cut Tape (CT) 3,000 : $0.11263 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	P-Channel	30 V	-	7 mA @ 15 V	-	3 V @ 10 nA	11pF @ 10V (VGS)	125 Ohms	225 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
MMBFJ177LT1G JFET P-CH 30V SOT23-3 onsemi	1,540 In Stock	1 : $0.51000 Cut Tape (CT) 3,000 : $0.11263 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	P-Channel	30 V	-	1.5 mA @ 15 V	-	800 mV @ 10 nA	11pF @ 10V (VGS)	300 Ohms	225 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
MMBFJ201 JFET N-CH 40V SOT23-3 onsemi	62,391 In Stock	1 : $0.54000 Cut Tape (CT) 3,000 : $0.12020 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	40 V	40 V	200 µA @ 20 V	-	300 mV @ 10 nA	-	-	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
MMBF5457 JFET N-CH 25V SOT23-3 onsemi	11,410 In Stock	1 : $0.60000 Cut Tape (CT) 3,000 : $0.13663 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	25 V	-	1 mA @ 15 V	-	500 mV @ 10 nA	7pF @ 15V	-	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
2SK932-23-TB-E JFET N-CH 50MA SMCP onsemi	23,656 In Stock	1 : $0.65000 Cut Tape (CT) 3,000 : $0.15034 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	-	15 V	10 mA @ 5 V	50 mA	200 mV @ 100 µA	-	-	200 mW	150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SMCP
MMBF4117 JFET N-CH 40V SOT23-3 onsemi	58,603 In Stock	1 : $0.66000 Cut Tape (CT) 3,000 : $0.15103 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	40 V	-	30 µA @ 10 V	-	600 mV @ 1 nA	3pF @ 10V	-	225 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
MMBFJ270 JFET P-CH 30V SOT23-3 onsemi	46,240 In Stock	1 : $0.69000 Cut Tape (CT) 3,000 : $0.16042 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	P-Channel	30 V	-	2 mA @ 15 V	-	500 mV @ 1 nA	-	-	225 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
2SK3557-6-TB-E JFET N-CH 5V 3CP onsemi	1,589 In Stock	1 : $0.71000 Cut Tape (CT) 3,000 : $0.16464 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	15 V	15 V	20 mA @ 5 V	50 mA	1.5 V @ 100 µA	10pF @ 5V	-	200 mW	150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	3-CP
2SK209-GR(TE85L,F) JFET N-CH 50V 14MA SC59 Toshiba Semiconductor and Storage	13,669 In Stock	1 : $0.73000 Cut Tape (CT) 3,000 : $0.16498 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	50 V	-	14 mA @ 10 V	14 mA	1.5 V @ 100 nA	13pF @ 10V	-	150 mW	125°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SC-59
2N4393 PBFREE JFET N-CH 40V TO18 Central Semiconductor Corp	3,804 In Stock	1 : $3.86492 Bulk	-	-	Bulk	Active	N-Channel	40 V	-	5 mA @ 20 V	-	500 mV @ 1 nA	14pF @ 20V	100 Ohms	1.8 W	-65°C ~ 175°C (TJ)	-	-	Through Hole	TO-206AA, TO-18-3 Metal Can	TO-18
2N4392 PBFREE JFET N-CH 40V TO18 Central Semiconductor Corp	1,927 In Stock	1 : $4.13000 Bulk	-	-	Bulk	Active	N-Channel	40 V	-	25 mA @ 20 V	-	2 V @ 1 nA	14pF @ 20V	60 Ohms	1.8 W	-65°C ~ 175°C (TJ)	-	-	Through Hole	TO-206AA, TO-18-3 Metal Can	TO-18
JFE2140DR JFET 2N-CH 40V 50MA 8SOIC Texas Instruments	882 In Stock	1 : $4.64000 Cut Tape (CT) 2,500 : $2.56124 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	2 N-Channel (Dual)	40 V	40 V	-	50 mA	1.5 V @ 0.1 µA	13pF @ 5V	-	-	-55°C ~ 150°C (TJ)	-	-	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
JFE2140DSGR DUAL, ULTRA-LOW NOISE, LOW-GATE- Texas Instruments	3,621 In Stock	1 : $6.04000 Cut Tape (CT) 3,000 : $2.35750 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	40 V	40 V	-	-	1.5 V @ 100 nA	17pF @ 0V	-	-	-40°C ~ 125°C (TJ)	-	-	Surface Mount	8-WFDFN Exposed Pad	8-WSON (2x2)
UF3N170400B7S JFET N-CH 1.7KV 6.8A D2PAK-7 onsemi	3,337 In Stock	1 : $10.76000 Cut Tape (CT) 800 : $5.06250 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	1700 V	1700 V	2.2 µA @ 1700 V	6.8 A	-	225pF @ 100V	500 mOhms	68 W	-55°C ~ 175°C (TJ)	-	-	Surface Mount	TO-263-8, D2PAK (7 Leads + Tab), TO-263CA	D2PAK-7
UJ3N065080K3S JFET N-CH 650V 32A TO247-3 onsemi	1,855 In Stock 7,800 Factory	1 : $11.30000 Tube	-	-	Tube	Active	N-Channel	650 V	650 V	-	32 A	-	630pF @ 100V	95 mOhms	190 W	-55°C ~ 175°C (TJ)	-	-	Through Hole	TO-247-3	TO-247-3
UJ3N120070K3S JFET N-CH 1200V 33.5A TO247-3 onsemi	1,116 In Stock 4,200 Factory	1 : $19.79000 Tube	-	-	Tube	Active	N-Channel	1200 V	1200 V	-	33.5 A	-	985pF @ 100V	90 mOhms	254 W	-55°C ~ 175°C (TJ)	-	-	Through Hole	TO-247-3	TO-247-3
UJ3N120035K3S JFET N-CH 1200V 63A TO247-3 onsemi	3,777 In Stock 1,800 Factory	1 : $34.26000 Tube	-	-	Tube	Active	N-Channel	1200 V	1200 V	-	63 A	-	2145pF @ 100V	45 mOhms	429 W	-55°C ~ 175°C (TJ)	-	-	Through Hole	TO-247-3	TO-247-3
UF3N120007K4S JFET N-CH 1200V 120A TO247-4 onsemi	435 In Stock	1 : $60.02000 Tube	-	-	Tube	Active	N-Channel	1200 V	1.2 kV	300 µA @ 1.2 kV	120 A	-	8110pF @ 800V	11 mOhms	789 W	-55°C ~ 175°C (TJ)	Automotive	-	Through Hole	TO-247-4	TO-247-4
SMMBFJ177LT1G JFET P-CH 30V SOT23-3 onsemi	4,706 In Stock	1 : $0.28000 Cut Tape (CT) 3,000 : $0.11632 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	P-Channel	30 V	-	1.5 mA @ 15 V	-	800 mV @ 10 nA	11pF @ 10V (VGS)	300 Ohms	225 mW	-55°C ~ 150°C (TJ)	Automotive	AEC-Q101	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
SMMBFJ175LT1G JFET P-CH 30V SOT23-3 onsemi	4,311 In Stock 3,000 Factory	1 : $0.28000 Cut Tape (CT) 3,000 : $0.11632 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	P-Channel	30 V	-	7 mA @ 15 V	-	3 V @ 10 nA	11pF @ 10V (VGS)	125 Ohms	225 mW	-55°C ~ 150°C (TJ)	Automotive	AEC-Q101	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
MMBF4393LT1G JFET N-CH 30V SOT23-3 onsemi	42,029 In Stock	1 : $0.44000 Cut Tape (CT) 3,000 : $0.09672 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	30 V	30 V	5 mA @ 15 V	-	500 mV @ 10 nA	14pF @ 15V	100 Ohms	225 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
MMBF4393LT3G JFET N-CH 30V SOT23-3 onsemi	17,254 In Stock	1 : $0.44000 Cut Tape (CT) 10,000 : $0.08196 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	30 V	30 V	5 mA @ 15 V	-	500 mV @ 10 nA	14pF @ 15V	100 Ohms	225 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
MMBFJ202 JFET N-CH 40V SOT23-3 onsemi	15,551 In Stock	1 : $0.45000 Cut Tape (CT) 3,000 : $0.09763 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	40 V	40 V	900 µA @ 20 V	-	800 mV @ 10 nA	-	-	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
J111-D74Z JFET N-CH 35V TO92-3 onsemi	45,363 In Stock	1 : $0.46000 Cut Tape (CT) 2,000 : $0.10721 Tape & Box (TB)	Tariff may apply if shipping to the United States	-	Cut Tape (CT) Tape & Box (TB)	Active	N-Channel	35 V	-	20 mA @ 15 V	-	3 V @ 1 µA	-	30 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-92-3

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Junction gate field-effect transistors (JFET) are devices used as electronically-controlled switches, amplifiers, or voltage-controlled resistors. A potential difference of the proper polarity applied between the gate and source terminals increases resistance to current flow, which means less current would flow in the channel between the source and drain terminals. JFETs do not need a biasing current due to a charge flowing through a semiconducting channel between source and drain terminals.

JFETs

JFETs

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