JFETs

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Mfr Part #	Quantity Available	Price	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
MMBF4393LT1G JFET N-CH 30V SOT23-3 onsemi	5,092 In Stock	1 : ¥78.00000 Cut Tape (CT) 3,000 : ¥16.07400 Tape & Reel (TR)	-	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)
MMBFJ177LT1G JFET P-CH 30V SOT23-3 onsemi	44,641 In Stock	1 : ¥90.00000 Cut Tape (CT) 3,000 : ¥18.71733 Tape & Reel (TR)	-	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)
MMBF4392LT1G JFET N-CH 30V SOT23-3 onsemi	2,816 In Stock	1 : ¥90.00000 Cut Tape (CT) 3,000 : ¥18.71733 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	30 V	30 V	25 mA @ 15 V	-	2 V @ 10 nA	14pF @ 15V	60 Ohms	225 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
TF412ST5G JFET N-CH 30V 10MA SOT883 onsemi	137,775 In Stock	1 : ¥91.00000 Cut Tape (CT) 8,000 : ¥16.52050 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)
MMBFJ201 JFET N-CH 40V SOT23-3 onsemi	41,496 In Stock	1 : ¥96.00000 Cut Tape (CT) 3,000 : ¥19.97500 Tape & Reel (TR)	-	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	13,608 In Stock	1 : ¥106.00000 Cut Tape (CT) 3,000 : ¥22.70533 Tape & Reel (TR)	-	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	3,534 In Stock	1 : ¥116.00000 Cut Tape (CT) 3,000 : ¥24.98367 Tape & Reel (TR)	-	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
MMBFJ270 JFET P-CH 30V SOT23-3 onsemi	25,516 In Stock	1 : ¥123.00000 Cut Tape (CT) 3,000 : ¥26.65900 Tape & Reel (TR)	-	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	92,755 In Stock	1 : ¥126.00000 Cut Tape (CT) 3,000 : ¥27.36133 Tape & Reel (TR)	-	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
CPH3910-TL-E JFET N-CH 25V 50MA 3CPH onsemi	21,461 In Stock	1 : ¥126.00000 Cut Tape (CT) 3,000 : ¥27.36133 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	25 V	25 V	20 mA @ 5 V	50 mA	1.8 V @ 100 µA	6pF @ 5V	-	400 mW	150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	3-CPH
2SK209-GR(TE85L,F) JFET N-CH 50V 14MA SC59 Toshiba Semiconductor and Storage	34,735 In Stock	1 : ¥130.00000 Cut Tape (CT) 3,000 : ¥30.24467 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	6,638 In Stock	1 : ¥688.00000 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	1,960 In Stock	1 : ¥735.00000 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	5,272 In Stock	1 : ¥794.00000 Cut Tape (CT) 2,500 : ¥438.41080 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	8,131 In Stock	1 : ¥1,074.00000 Cut Tape (CT) 3,000 : ¥391.78267 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	2,252 In Stock	1 : ¥1,913.00000 Cut Tape (CT) 800 : ¥841.31500 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
UJ3N120035K3S JFET N-CH 1200V 63A TO247-3 onsemi	3,708 In Stock 1,800 Factory	1 : ¥6,092.00000 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	324 In Stock	1 : ¥10,674.00000 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	4,548 In Stock	1 : ¥48.00000 Cut Tape (CT) 3,000 : ¥19.33133 Tape & Reel (TR)	-	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	3,905 In Stock 3,000 Factory	1 : ¥48.00000 Cut Tape (CT) 3,000 : ¥19.33133 Tape & Reel (TR)	-	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)
MMBF4393LT3G JFET N-CH 30V SOT23-3 onsemi	17,272 In Stock	1 : ¥78.00000 Cut Tape (CT) 10,000 : ¥13.61990 Tape & Reel (TR)	-	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)
BSR58 JFET N-CH 40V SOT23-3 onsemi	1,364 In Stock	1 : ¥78.00000 Cut Tape (CT) 3,000 : ¥16.04867 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	40 V	-	8 mA @ 15 V	-	800 mV @ 0.5 nA	-	60 Ohms	250 mW	150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
MMBFJ202 JFET N-CH 40V SOT23-3 onsemi	9,263 In Stock	1 : ¥80.00000 Cut Tape (CT) 3,000 : ¥16.22400 Tape & Reel (TR)	-	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	39,738 In Stock	1 : ¥81.00000 Cut Tape (CT) 2,000 : ¥17.81600 Tape & Box (TB)	-	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
MMBFJ113 JFET N-CH 35V SOT23-3 onsemi	12,012 In Stock	1 : ¥81.00000 Cut Tape (CT) 3,000 : ¥16.74867 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	N-Channel	35 V	-	2 mA @ 15 V	-	500 mV @ 1 µA	-	100 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3

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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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