Name: 2N4857
Brand: Microsemi Corporation
SKU: 2N4857
Availability: InStock
Rating: 5 (83 reviews)

2N4857

For Reference Only

Part Number	2N4857
Manufacturer	Microsemi Corporation
Description	N CHANNEL JFET
Datasheet	2N4857 Specifications
Package	TO-206AA, TO-18-3 Metal Can
ECAD
In Stock	3,200 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 27 - Jun 1 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 2N4857 (Transistors - JFETs) is manufactured by Microsemi Corporation 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 2N4857 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 2N4857 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 2N4857.

2N4857 Specifications

Manufacturer	Microsemi Corporation
Category	Discrete Semiconductor Products - Transistors - JFETs
Package	TO-206AA, TO-18-3 Metal Can
ECAD
Series	Military, MIL-PRF-19500/385
FET Type	N-Channel
Voltage - Breakdown (V(BR)GSS)	40V
Drain to Source Voltage (Vdss)	40V
Current - Drain (Idss) @ Vds (Vgs=0)	100mA @ 15V
Current Drain (Id) - Max	-
Voltage - Cutoff (VGS off) @ Id	6V @ 500pA
Input Capacitance (Ciss) (Max) @ Vds	18pF @ 10V
Resistance - RDS(On)	40 Ohm
Power - Max	360mW
Operating Temperature	-65°C ~ 200°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-206AA, TO-18-3 Metal Can
Supplier Device Package	TO-18

2N4857 Reviews

Josh*****cmahon

April 1, 2023

★ ★ ★ ★ ★

I am very happy with how Heisener do business. Will definitely buy their products in the future as I have confidence in their customer service.

Estre*****rennan

March 29, 2023

★ ★ ★ ★ ★

Fantastic Quality Control and Great Selection. Heisener Electronics has became to my No.1 Supplier for many years.

Chad*****nnell

March 11, 2023

★ ★ ★ ★ ★

the parts work as they should. Amazing price perfect all round many thanks

Write a Review

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2N4857 Packaging

2N4857 FAQ

1. How to order 2N4857 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 2N4857 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 2N4857. All suppliers must pass our qualification reviews before they can publish their products including 2N4857 on Heisener; we pay more attention to the channels and quality of 2N4857 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 2N4857 price and inventory displayed accurate?

The price and inventory of 2N4857 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 2N4857?

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 2N4857 we delivered, we will accept the replacement or return of the 2N4857 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 2N4857.

(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 2N4857 pin diagram, 2N4857 datasheet?

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

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2N4857 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

2N4857

D# 70911457

Solid State Manufacturing

N-Channel Mosfet TO-18

RoHS: Not Compliant

2N4857A

D# 70911458

Solid State Manufacturing

N-Channel Mosfet TO-18

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

MX2N4857

D# VN5:3623_18994931

Microsemi Corporation

Trans JFET N-CH 40V 3-Pin TO-18 Bag

RoHS: Not Compliant

2N4857JANTXV

D# V37:1799_07432623

Solitron Devices Inc

Trans JFET N-CH

Part Number	Manufacturer	Description	Stock
2N4857 D# 2N4857	Microchip Technology Inc	Transistor JFET N-Channel 40V 100mA 3-Pin TO-18 Bag - Bag (Alt: 2N4857) RoHS: Not Compliant	0
2N4857A D# 2N4857A	Central Semiconductor Corp	N-Channel Switch/Chopper JFET 20mA 40V Through Hole TO-18 Box - Boxed Product (Development Kits) (Alt: 2N4857A) RoHS: Not Compliant	0
MX2N4857UB D# MX2N4857UB	Microchip Technology Inc	MSWMX2N4857UB - Waffle Pack (Alt: MX2N4857UB) RoHS: Not Compliant	0
MV2N4857 D# MV2N4857	Microchip Technology Inc	Trans JFET N-CH 40V 3-Pin TO-206AA Bag - Bag (Alt: MV2N4857) RoHS: Not Compliant	0
MX2N4857 D# MX2N4857	Microchip Technology Inc	Trans JFET N-CH 40V 3-Pin TO-206AA Bag - Bag (Alt: MX2N4857) RoHS: Not Compliant	0
2N4857UB D# 2N4857UB	Microchip Technology Inc	Trans JFET N-CH 40V 100mA 3-Pin Case UB Bag - Waffle Pack (Alt: 2N4857UB) RoHS: Not Compliant	0
MV2N4857UB D# MV2N4857UB	Microchip Technology Inc	Trans JFET N-CH 40V 3-Pin TO-18 - Waffle Pack (Alt: MV2N4857UB) RoHS: Not Compliant	0

Part Number	Manufacturer	Description	Stock
JANTXV2N4857	Intel Corporation		1
JV2N4857	Intel Corporation		1
JANTX2N4857	Motorola Semiconductor Products		31
2N4857	New Jersey Semiconductor Products, Inc.		9000
2N4857A	New Jersey Semiconductor Products, Inc.		4148

Part Number	Manufacturer	Description	Stock
2N4857JAN02	Vishay Siliconix	TRANS JFET N-CH 3PIN TO-206AA - Bulk	32
2N4857A	Solid State Devices Inc (SSDI)	TRANSISTOR,JFET, N CH,40V,TO18	25
2N4857JTXV02	Vishay Siliconix	TRANS JFET N-CH 3PIN TO-206AA - Bulk	0
JANTX2N4857UB	Microsemi Corporation	JFET N-CH 40V 360MW SMD	161
JANTX2N4857	Microsemi Corporation	JFET N-CH 40V 360MW TO-18	501
2N4857JTXL02	Vishay Siliconix	19500/385 JANTX2N4857 W/SLDRDIP	0
2N4857JTX02	Vishay Siliconix	TRANS JFET N-CH 3PIN TO-206AA - Bulk	97
2N4857A-E3	Vishay Intertechnologies	Trans JFET N-CH 3-Pin TO-206AA	131

Part Number

Manufacturer

Description

Stock

2N4857JANTX

Solitron Devices Inc

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
2N4857UB D# 2N4857UB-ND	Microchip Technology Inc	N CHANNEL JFET	0
MV2N4857UB D# MV2N4857UB-ND	Microchip Technology Inc	N CHANNEL JFET	0
2N4857JTXV02 D# 2N4857JTXV02-ND	Vishay Siliconix	JFET N-CH 40V 360MA TO-18	0
JANTX2N4857 D# 1088-1019-ND	Microsemi Corporation	JFET N-CH 40V 360MW TO-18	0
2N4857JTXL02 D# 2N4857JTXL02-ND	Vishay Siliconix	JFET N-CH 40V 360MA TO-18	0
2N4857 D# 2N4857-ND	Microchip Technology Inc	N CHANNEL JFET	0
2N4857JTX02 D# 2N4857JTX02-ND	Vishay Siliconix	JFET N-CH 40V 360MA TO-18	0
MX2N4857UB D# MX2N4857UB-ND	Microchip Technology Inc	N CHANNEL JFET	0
MV2N4857 D# MV2N4857-ND	Microchip Technology Inc	N CHANNEL JFET	0
MX2N4857 D# MX2N4857-ND	Microchip Technology Inc	N CHANNEL JFET	0
2N4857JAN02 D# 2N4857JAN02-ND	Vishay Siliconix	JFET N-CH 40V 360MA TO-18	0

Part Number

Manufacturer

Description

Stock

2N4857A

D# 1862992

Solid State Devices Inc (SSDI)

TRANSISTOR,JFET, N CH,40V,TO18

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number

Manufacturer

Description

Stock

MX2N4857

Microsemi Corporation

Incoming

545

Part Number	Manufacturer	Description	Stock
JTX2N4857UB	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	53
J2N4857UB	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	53
2N4857UB	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	104
2N4857JANTXV	Solitron Devices Inc	OEM/CM QUOTES ONLY \| NO BROKERS	116
2N4857	New Jersey Semiconductor Products, Inc.	OEM/CM QUOTES ONLY \| NO BROKERS	10170
2N4857UBJAN	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	52
2N4857JANTX	Solitron Devices Inc	OEM/CM QUOTES ONLY \| NO BROKERS	791
X5TR2N4857JANTX		OEM/CM QUOTES ONLY \| NO BROKERS	1
JX2N4857	.	OEM/CM QUOTES ONLY \| NO BROKERS	14
2N4857N13B6A	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	62
2N4857JAN	MOT87	OEM/CM QUOTES ONLY \| NO BROKERS	49
JANTX2N4857UB	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	53
2N4857ASL	Vishay Siliconix	OEM/CM QUOTES ONLY \| NO BROKERS	449
2N4857UBJTX	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	52
2N4857AF		OEM/CM QUOTES ONLY \| NO BROKERS	43
JANTXV2N4857NU		OEM/CM QUOTES ONLY \| NO BROKERS	80
2N4857UBJ	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	52
JANTX2N4857	Intersil Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	9173

Part Number	Manufacturer	Description	Stock
MV2N4857	Microchip Technology Inc	OEM/CM ONLY	9940
JTX2N4857UB	Texas Instruments	OEM/CM ONLY	146
MV2N4857UB	Microchip Technology Inc	OEM/CM ONLY	8100
2N4857MOT	Texas Instruments	OEM/CM ONLY	1672
2N4857UBJAN	Microchip Technology Inc	OEM/CM ONLY	146
J2N4857	Texas Instruments	OEM/CM ONLY	725
MX2N4857UB	Microchip Technology Inc	OEM/CM ONLY	8100
JTXV2N4857	Texas Instruments	OEM/CM ONLY	903
MX2N4857	Microchip Technology Inc	OEM/CM ONLY	8100

Part Number

Manufacturer

Description

Stock

2N4857A PBFREE

D# 610-2N4857A

Central Semiconductor Corp

JFET 40V N-Ch 40Vdg 40Vgsr 50mA 360mW

RoHS: Compliant

4118

Part Number	Manufacturer	Description	Stock
2N4857	Microchip Technology Inc	JFETs RoHS: Compliant	0
MV2N4857	Microchip Technology Inc	JFETs RoHS: Compliant	0
MV2N4857UB	Microchip Technology Inc	JFETs RoHS: Compliant	0
2N4857UB	Microchip Technology Inc	JFETs RoHS: Compliant	0
MX2N4857	Microchip Technology Inc	JFETs RoHS: Compliant	0
MX2N4857UB	Microchip Technology Inc	JFETs RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
2N4857UB D# MCHP00000047155	Microchip Technology Inc	JFETs	0
MX2N4857 D# MCHP00000085598	Microchip Technology Inc	JFETs	0
MV2N4857 D# MCHP00000085128	Microchip Technology Inc	JFETs	0
2N4857 D# MCHP00000047154	Microchip Technology Inc	JFETs	0
MV2N4857UB D# MCHP00000085129	Microchip Technology Inc	JFETs	0
MX2N4857UB D# MCHP00000085599	Microchip Technology Inc	JFETs	0

Part Number

Manufacturer

Description

Stock

2N4857A

D# 13C1995

Vishay Intertechnologies

TRANSISTOR, Breakdown Voltage Vbr:-40V, Zero Gate Voltage Drain Current Idss Min:20mA, Zero Gate Voltage Drain Current Idss Max:100mA, Gate-Source Cutoff Voltage Vgs(off) Max:-6V, Transistor Type:JFET, No. of Pins:3 Pin RoHS Compliant: No

RoHS: Not Compliant

Min Qty: 200

Container: Bulk

Part Number	Manufacturer	Description	Stock
2N4857JANTXV D# NS-2N4857JANTXV	Vishay Siliconix2	OEM/CM ONLY	1710
MQ2N4857 D# NS-MQ2N4857	Microsemi Corporation	OEM/CM ONLY	2464
2N4857JANTX D# NS-2N4857JANTX	Vishay Siliconix2	OEM/CM ONLY	10638
2N4857+JAN D# NS-2N4857+JAN	Defense Logistics Agency	OEM/CM ONLY	2617
MX2N4857 D# NS-MX2N4857	Microsemi Corporation	OEM/CM ONLY	3424
2N4857+JANTX D# NS-2N4857+JANTX	Defense Logistics Agency	OEM/CM ONLY	1980
2N4857+JANTXV D# NS-2N4857+JANTXV	Defense Logistics Agency	OEM/CM ONLY	2125
JANTX2N4857 D# NS-JANTX2N4857	Multiple	OEM/CM ONLY	9677
X2N4857 D# NS-X2N4857	Multiple	OEM/CM ONLY	2107
MV2N4857 D# NS-MV2N4857	Microsemi Corporation	OEM/CM ONLY	1039

Part Number	Manufacturer	Description	Stock
2N4857JANTXV	Solitron Devices Inc		82
2N4857	Motorola Semiconductor Products	JFET Transistor, N-Channel, TO-18	7
2N4857A	Texas Instruments		3
2N4857JANTX	Vishay Siliconix		5
JANTX2N4857	Motorola Semiconductor Products	JFET Transistor, N-Channel, TO-18	96

Part Number	Manufacturer	Description	Stock
2N4857A D# 2N4857A	Vishay Siliconix	Semiconductor	344
JX2N4857 D# JX2N4857	Motorola Semiconductor Products	Inventory R	8
JANTXV2N4857 D# JANTXV2N4857	Motorola Semiconductor Products	Inventory R	8
2N4857 D# 2N4857	Motorola Semiconductor Products	Semiconductor	6

Part Number	Manufacturer	Description	Stock
JTXV2N4857	Texas Instruments	OEM/CM ONLY	328
BS2N4857AFB	Silicon Laboratories Inc	OEM/CM ONLY	216
J2N4857UB	Microwave Semiconductor	OEM/CM ONLY	62
JTX2N4857UB	Microwave Semiconductor	OEM/CM ONLY	62
2N4857JANTXV	Vishay Siliconix	OEM/CM ONLY	209
2N4857UBJAN	Microwave Semiconductor	OEM/CM ONLY	62
2N4857JANTX	Vishay Siliconix	OEM/CM ONLY	716
JTXV2N4857NU		OEM/CM ONLY	85
2N4857A	Vishay Siliconix	OEM/CM ONLY	34319
2N4857N13B6A	Motorola Mobility LLC	OEM/CM ONLY	71
JANTX2N4857UB	Microwave Semiconductor	OEM/CM ONLY	62
2N4857JAN	Vishay Siliconix	OEM/CM ONLY	59
2N4857UBJTX	Microwave Semiconductor	OEM/CM ONLY	62
2N4857AF		OEM/CM ONLY	54
JANTXV2N4857NU		OEM/CM ONLY	85
2N4857UBJ	Microwave Semiconductor	OEM/CM ONLY	62

Part Number	Manufacturer	Description	Stock
2N4857A D# 2028002685	Microsemi Corporation	2N4857A SILICON GEN Transistor	23503
2N4857A-SL D# 2028002686	Vishay Siliconix	2N4857A-SL SILICONIX JFET Transistor	397
2N4857 D# 2028002684	National Semiconductor Corporation	2N4857 NSC Transistor	277

Part Number

Manufacturer

Description

Stock

MX2N4857

D# 35314378

Microsemi Corporation

Trans JFET N-CH 40V 3-Pin TO-18 Bag

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
JAN2N4857	mfr	RFQ	1867
2N4857A	Motorola Semiconductor Products	RFQ	3996
JANTXV2N4857CDCD	Philips Semiconductors	RFQ	10926

Part Number

Manufacturer

Description

Stock

2N4857A

D# 1862992

Solid State Devices Inc (SSDI)

TRANSISTOR,JFET, N CH,40V,TO18

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

2N4857

Certified Quality

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