Name: 2N4391
Brand: Vishay Siliconix
SKU: 2N4391
Availability: InStock
Rating: 5 (163 reviews)

2N4391

For Reference Only

Part Number	2N4391
Manufacturer	Vishay Siliconix
Description	MOSFET N-CH 40V .1NA TO-18
Datasheet	2N4391 Datasheet 2N4391 Specifications
Package	TO-206AA, TO-18-3 Metal Can
ECAD
In Stock	5,776 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 28 - May 3 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 2N4391 (Transistors - JFETs) is manufactured by Vishay Siliconix and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For 2N4391 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 2N4391 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 2N4391.

2N4391 Specifications

Manufacturer	Vishay Siliconix
Category	Discrete Semiconductor Products - Transistors - JFETs
Package	TO-206AA, TO-18-3 Metal Can
ECAD
Series	-
FET Type	N-Channel
Voltage - Breakdown (V(BR)GSS)	40V
Drain to Source Voltage (Vdss)	-
Current - Drain (Idss) @ Vds (Vgs=0)	50mA @ 20V
Current Drain (Id) - Max	-
Voltage - Cutoff (VGS off) @ Id	4V @ 1nA
Input Capacitance (Ciss) (Max) @ Vds	14pF @ 20V
Resistance - RDS(On)	30 Ohm
Power - Max	1.8W
Operating Temperature	-65°C ~ 200°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-206AA, TO-18-3 Metal Can
Supplier Device Package	TO-206AA (TO-18)

2N4391 Datasheet

2N4391 Reviews

Sco*****Curry

April 8, 2023

★ ★ ★ ★ ★

Resonators were genuine Murata components and arrived in 3 days from Hongkong

Izaia*****tlett

April 7, 2023

★ ★ ★ ★ ★

I've made a few purchases from Heisener and always get a friendly technician helped me with locate what I was looking for. That kind of attitude is greatly appreciated.

Finn*****Kibe

April 4, 2023

★ ★ ★ ★ ★

Heisener parametric search for specific components is by far better than their competitors.

Ang*****Hines

March 23, 2023

★ ★ ★ ★ ★

I've never had a problem with Heisener. Packages arrive on time and in great condition.

Garr*****Sharp

March 18, 2023

★ ★ ★ ★ ★

The parts as described and fast shipping. Thanks for the great service

Lill*****Roman

March 15, 2023

★ ★ ★ ★ ★

Arrived safely. All OK. Thanks

John*****ichard

March 14, 2023

★ ★ ★ ★ ★

Replaced a diode in my distortion pedal. Sounds different (lower growl) but in a good way...LOL!

Emb*****Kibe

March 6, 2023

★ ★ ★ ★ ★

Fast shipping, items are exactly as promised. Reliable company to work with.

Jenn*****rris

February 24, 2023

★ ★ ★ ★ ★

Used for a solar project. Working as hoped. I'd buy again.

Write a Review

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2N4391 Packaging

2N4391 FAQ

1. How to order 2N4391 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that 2N4391 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 2N4391. All suppliers must pass our qualification reviews before they can publish their products including 2N4391 on Heisener; we pay more attention to the channels and quality of 2N4391 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 2N4391 price and inventory displayed accurate?

The price and inventory of 2N4391 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of 2N4391?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 2N4391 we delivered, we will accept the replacement or return of the 2N4391 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 2N4391.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as 2N4391 pin diagram, 2N4391 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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2N4391 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

2N4391

D# 70911843

Solid State Manufacturing

N CHANNELJ-FET T0-18

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

2N4391 PBFREE

D# V36:1790_07682778

Central Semiconductor Corp

Trans JFET N-CH Si

2N4391

D# V36:1790_09097215

Microchip Technology Inc

2N4391

Part Number	Manufacturer	Description	Stock
MX2N4391 D# MX2N4391	Microchip Technology Inc	JFETs - Bag (Alt: MX2N4391) RoHS: Not Compliant	0
2N4391 PBFREE D# 2N4391 PBFREE	Central Semiconductor Corp	Transistor JFET N-CH 40V 50mA 3-Pin TO-18 Box - Boxed Product (Development Kits) (Alt: 2N4391 PBFREE) RoHS: Compliant	0
MV2N4391UB D# MV2N4391UB	Microchip Technology Inc	JFETs - Waffle Pack (Alt: MV2N4391UB) RoHS: Not Compliant	0
MX2N4391UB D# MX2N4391UB	Microchip Technology Inc	JFETs - Waffle Pack (Alt: MX2N4391UB) RoHS: Not Compliant	0
2N4391-2L D# 2N4391-2L	Vishay Intertechnologies	THE 2N4391-2 WITH SOLDER DIP (Alt: 2N4391-2L) RoHS: Not Compliant	0
2N4391 D# 2N4391	Microchip Technology Inc	- Bag (Alt: 2N4391) RoHS: Not Compliant	0
2N4391 TIN/LEAD D# 2N4391 TIN/LEAD	Central Semiconductor Corp	Transistor JFET N-CH 40V 50mA 3-Pin TO-18 Box - Boxed Product (Development Kits) (Alt: 2N4391 TIN/LEAD) RoHS: Not Compliant	0
2N4391UB D# 2N4391UB	Microchip Technology Inc	JFETs - Waffle Pack (Alt: 2N4391UB) RoHS: Not Compliant	0
MV2N4391 D# MV2N4391	Microchip Technology Inc	JFETs - Bag (Alt: MV2N4391) RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

2N4391

Motorola Semiconductor Products

Part Number	Manufacturer	Description	Stock
2N4391-2	Vishay Siliconix	THE 2N4391-2 WITH SOLDER DIP	0
2N4391	Central Semiconductor Corp	2N Series 40 V 150 mA N-Channel Junction Field-Effect Transistor - TO-18	740
2N4391-E3	Vishay Siliconix	MOSFET N-CH 40V .1NA TO-18	0

Part Number

Manufacturer

Description

Stock

2N4391

Calogic Inc

Small Signal Field-Effect Transistor, 1-Element, N-Channel, Silicon, Junction FET, TO-18

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
2N4391 D# 2N4391MS-ND	Microchip Technology Inc	N CHANNEL JFET	0
MX2N4391 D# MX2N4391-ND	Microchip Technology Inc	N CHANNEL JFET	0
2N4391 PBFREE D# 1514-2N4391PBFREE-ND	Central Semiconductor Corp	JFET N-CH 40V 150MA 1.8W TO18	0
MV2N4391UB D# MV2N4391UB-ND	Microchip Technology Inc	N CHANNEL JFET	0
MX2N4391UB D# MX2N4391UB-ND	Microchip Technology Inc	N CHANNEL JFET	0
5185_2N4391 D# 5185_2N4391-ND	ON Semiconductor	MOSFET N-CH JFET	0
2N4391UB D# 2N4391UB-ND	Microchip Technology Inc	N CHANNEL JFET	0
2N4391-E3 D# 2N4391-E3-ND	Vishay Siliconix	MOSFET N-CH 40V .1NA TO-18	0
2N4391-2 D# 2N4391-2-ND	Vishay Siliconix	MOSFET N-CH 40V .1NA TO-18	0
MV2N4391 D# MV2N4391-ND	Microchip Technology Inc	N CHANNEL JFET	0

Part Number

Manufacturer

Description

Stock

2N4391

Calogic Inc

2N4391 Series N-Channel 40 V 150 mA Through Hole JFET Transistor - TO-18

RoHS: Compliant

pbFree: Yes

Part Number	Manufacturer	Description	Stock
2N4391JB	SML	OEM/CM QUOTES ONLY \| NO BROKERS	35
J2N4391	AMELCO	OEM/CM QUOTES ONLY \| NO BROKERS	534
JTX2N4391	AMELCO	OEM/CM QUOTES ONLY \| NO BROKERS	571
2N4391E3	Vishay Siliconix	OEM/CM QUOTES ONLY \| NO BROKERS	14
2N4391	New Jersey Semiconductor Products, Inc.	OEM/CM QUOTES ONLY \| NO BROKERS	2816
JAN2N4391	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	580
2N4391F	Vishay Siliconix	OEM/CM QUOTES ONLY \| NO BROKERS	96
2N4391M	Signetics	OEM/CM QUOTES ONLY \| NO BROKERS	38
2N4391JQRB	SML	OEM/CM QUOTES ONLY \| NO BROKERS	35
2N4391A		OEM/CM QUOTES ONLY \| NO BROKERS	46

Part Number	Manufacturer	Description	Stock
MV2N4391	Microchip Technology Inc	OEM/CM ONLY	8100
MX2N4391	Microchip Technology Inc	OEM/CM ONLY	8100
MX2N4391UB	Microchip Technology Inc	OEM/CM ONLY	8100
MV2N4391UB	Microchip Technology Inc	OEM/CM ONLY	8100

Part Number

Manufacturer

Description

Stock

2N4391

Vishay Siliconix

In stock

Part Number

Manufacturer

Description

Stock

2N4391

Calogic Inc

Trans JFET N-CH 3-Pin TO-18

500

Part Number

Manufacturer

Description

Stock

2N4391-2

Vishay Siliconix

MOSFET N-CH 40V .1NA TO-18

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

2N4391

Central Semiconductor Corp

OEM/CM Immediate delivery

5880

Part Number

Manufacturer

Description

Stock

2N4391 PBFREE

D# 610-2N4391

Central Semiconductor Corp

JFET N-Chan JFET

RoHS: Compliant

1928

2N4391

D# 106-2N4391

InterFET Corporation

JFET N-Ch -40V JFET 50mA 1.8W 12mW -100V Igss

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
2N4391-TO-18	Linear Integrated Systems	Low Noise, N-Channel JFET Switch RoHS: Compliant	400
2N4391	Microchip Technology Inc	JFETs RoHS: Compliant	0
MX2N4391	Microchip Technology Inc	JFETs RoHS: Compliant	0
MV2N4391	Microchip Technology Inc	JFETs RoHS: Compliant	0
MV2N4391UB	Microchip Technology Inc	JFETs RoHS: Compliant	0
MX2N4391UB	Microchip Technology Inc	JFETs RoHS: Compliant	0
2N4391UB	Microchip Technology Inc	JFETs RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
2N4391UB D# MCHP00000047139	Microchip Technology Inc	JFETs	0
2N4391 D# MCHP00000047138	Microchip Technology Inc	JFETs	0
2N4391-TO-18 D# LIS000000000267	Linear Integrated Systems	Low Noise, N-Channel JFET Switch	400
MV2N4391 D# MCHP00000085120	Microchip Technology Inc	JFETs	0
MX2N4391 D# MCHP00000085590	Microchip Technology Inc	JFETs	0
MV2N4391UB D# MCHP00000085121	Microchip Technology Inc	JFETs	0
MX2N4391UB D# MCHP00000085591	Microchip Technology Inc	JFETs	0

Part Number

Manufacturer

Description

Stock

2N4391

D# 79T5559

Solid State Devices Inc (SSDI)

N CHANNEL J-FET T0-18 / BULK

RoHS: Not Compliant

Min Qty: 10

Container: Bulk

2N4391-E3

D# 06J8865

Vishay Intertechnologies

N CHANNEL JFET, -55V, TO-206AA, Breakdown Voltage Vbr:-55V, Zero Gate Voltage Drain Current Idss Min:50mA, Zero Gate Voltage Drain Current Idss Max:150mA, Gate-Source Cutoff Voltage Vgs(off) Max:-10V, Transistor Type:RF JFET RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 200

Container: Bulk

Part Number

Manufacturer

Description

Stock

X2N4391

D# NS-X2N4391

Multiple

OEM/CM ONLY

2339

2N4391

D# NS-2N4391

Multiple

OEM/CM ONLY

6379

Part Number

Manufacturer

Description

Stock

2N4391

ON Semiconductor

JFET Transistor, N-Channel, TO-18

Part Number

Manufacturer

Description

Stock

2N4391

D# 2N4391

National Semiconductor Corporation

Inventory R

Part Number	Manufacturer	Description	Stock
2N4391A		OEM/CM ONLY	57
J2N4391	AMELCO	OEM/CM ONLY	476
JTX2N4391	AMELCO	OEM/CM ONLY	508
JAN2N4391	Motorola Semiconductor Products	OEM/CM ONLY	511
2N4391	Vishay Siliconix	OEM/CM ONLY	9597
2N4391F	Vishay Siliconix	OEM/CM ONLY	101
2N4391J/B	SML	OEM/CM ONLY	47
2N4391M	Signetics	OEM/CM ONLY	59
2N4391JQRB	SML	OEM/CM ONLY	47

Part Number

Manufacturer

Description

Stock

2N4391

CENTRAL

IN stock Immediate delivery

5895

Part Number

Manufacturer

Description

Stock

2N4391

D# 2028018641

Vishay Siliconix

2N4391 SILICONIX Transistor

Part Number

Manufacturer

Description

Stock

2N4391

Vishay Huntington

shipping today

2147

Part Number

Manufacturer

Description

Stock

2N4391E3

Vishay Intertechnologies

RFQ

1803

2N4391

Motorola Semiconductor Products

RFQ

8475

Quick Inquiry

2N4391

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