Name: 1N957B
Brand: Microsemi Corporation
SKU: 1N957B_1B3
Availability: InStock
Rating: 5 (80 reviews)

1N957B

For Reference Only

Part Number	1N957B
Manufacturer	Microsemi Corporation
Description	DIODE ZENER 6.8V 500MW DO7
Datasheet	1N957B Specifications
Package	DO-204AA, DO-7, Axial
ECAD
In Stock	8,136 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 16 - May 21 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 1N957B (Diodes - Zener - Single) 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 1N957B specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 1N957B with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 1N957B.

1N957B Specifications

Manufacturer	Microsemi Corporation
Category	Discrete Semiconductor Products - Diodes - Zener - Single
Package	DO-204AA, DO-7, Axial
ECAD
Series	-
Voltage - Zener (Nom) (Vz)	6.8V
Tolerance	±5%
Power - Max	500mW
Impedance (Max) (Zzt)	4.5 Ohms
Current - Reverse Leakage @ Vr	150µA @ 5.2V
Voltage - Forward (Vf) (Max) @ If	1.1V @ 200mA
Operating Temperature	-65°C ~ 175°C
Mounting Type	Through Hole
Package / Case	DO-204AA, DO-7, Axial
Supplier Device Package	DO-7

1N957B Reviews

Jerr*****ggins

April 5, 2023

★ ★ ★ ★ ★

Fantastic transaction, very fast delivery. Highly recommended. Thank you.

Mar***** Om

March 29, 2023

★ ★ ★ ★ ★

These are a great value at this price.

Lex*****rroyo

March 24, 2023

★ ★ ★ ★ ★

I always enjoy shopping with Heisener, never makes a mistake, most reliable, and no long waiting for deliveries.

Salm*****anklin

March 23, 2023

★ ★ ★ ★ ★

EXACTLY what I was looking for -- one piece with a low forward voltage drop to isolate some DC power sources. They work fantastic!

Lane*****ison

March 23, 2023

★ ★ ★ ★ ★

Can't speak to the long term reliability as of yet, but they seem to be of decent quality and I don't expect any issues.

Jame*****oudhry

March 9, 2023

★ ★ ★ ★ ★

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

Ron***** Tank

March 6, 2023

★ ★ ★ ★ ★

Items as described, quick dispatch, took a while with shipment.

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1N957B Packaging

1N957B FAQ

1. How to order 1N957B 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 1N957B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 1N957B. All suppliers must pass our qualification reviews before they can publish their products including 1N957B on Heisener; we pay more attention to the channels and quality of 1N957B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 1N957B price and inventory displayed accurate?

The price and inventory of 1N957B 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 1N957B?

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 1N957B we delivered, we will accept the replacement or return of the 1N957B 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 1N957B.

(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 1N957B pin diagram, 1N957B datasheet?

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

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1N957B 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
1N957B D# V37:1799_09127174	Microchip Technology Inc	Zener Diode Single 6.8V 5% 4.5Ohm 500mW 2-Pin DO-7 Bag RoHS: Not Compliant	0
1N957B/TR D# V36:1790_21833185	Microchip Technology Inc	Zener Diode Single 6.8V 5% 4.5Ohm 500mW 2-Pin DO-7 Bag	0
1N957B-1E3 D# V36:1790_21833186	Microchip Technology Inc	Zener Diode Single 6.8V 5% 4.5Ohm 500mW 2-Pin DO-213AB Bag	0

Part Number	Manufacturer	Description	Stock
1N957B TR TIN/LEAD D# 1N957B TR TIN/LEAD	Central Semiconductor Corp	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 T/R - Tape and Reel (Alt: 1N957B TR TIN/LEAD) RoHS: Not Compliant	0
1N957B-1JANTX D# JANTX1N957B-1	VPT Components	ZENER VOLTAGE REGULATOR DIODE - Bulk (Alt: JANTX1N957B-1) RoHS: Not Compliant	0
JANTX1N957BUR-1 D# JANTX1N957BUR-1	VPT Components	Diode Zener Single 6.8V 5% 500mW 2-Pin DO-213AA - Bulk (Alt: JANTX1N957BUR-1) RoHS: Not Compliant	0
1N957B-1JANTXV D# JANTXV1N957B-1	VPT Components	ZENER VOLTAGE REGULATOR DIODE - Bulk (Alt: JANTXV1N957B-1) RoHS: Not Compliant	0
JAN1N957B-1 D# JAN1N957B-1	VPT Components	ZENER VOLTAGE REGULATOR DIODE - Bulk (Alt: JAN1N957B-1) RoHS: Not Compliant	0
JANTXV1N957BUR-1 D# JANTXV1N957BUR-1	VPT Components	Diode Zener Single 6.8V 5% 500mW 2-Pin DO-213AA - Bulk (Alt: JANTXV1N957BUR-1) RoHS: Not Compliant	0
1N957B BK TIN/LEAD D# 1N957B BK TIN/LEAD	Central Semiconductor Corp	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 Box - Boxed Product (Development Kits) (Alt: 1N957B BK TIN/LEAD) RoHS: Not Compliant	0
1N957B TR D# 1N957B TR	Central Semiconductor Corp	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 T/R - Tape and Reel (Alt: 1N957B TR) RoHS: Not Compliant	0
1N957B D# 1N957B	ON Semiconductor	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 - Bulk (Alt: 1N957B) RoHS: Not Compliant	0
JAN1N957BUR-1 D# JAN1N957BUR-1	VPT Components	Diode Zener Single 6.8V 5% 500mW 2-Pin DO-213AA - Bulk (Alt: JAN1N957BUR-1) RoHS: Not Compliant	0
1N957B/TR D# 1N957B/TR	Microchip Technology Inc	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 T/R - Tape and Reel (Alt: 1N957B/TR) RoHS: Not Compliant	0
1N957B-1E3 D# 1N957B-1E3	Microchip Technology Inc	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 - Bag (Alt: 1N957B-1E3) RoHS: Compliant	0
1N957B TR PBFREE D# 1N957B TR PBFREE	Central Semiconductor Corp	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 T/R - Tape and Reel (Alt: 1N957B TR PBFREE) RoHS: Compliant	0
1N957B BK PBFREE D# 1N957B BK PBFREE	Central Semiconductor Corp	Diode Zener Single 6.8V 5% 500mW 2-Pin Axial DO-35 Box - Boxed Product (Development Kits) (Alt: 1N957B BK PBFREE) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

1N957B

Fairchild Semiconductor Corporation

4812

Part Number	Manufacturer	Description	Stock
1N957B_T50R	Fairchild Semiconductor Corporation	Diode Zener Single 6.8V 5% 500mW 2-Pin DO-35 T/R	0
1N957B_T50A	Fairchild Semiconductor Corporation	Diode Zener Single 6.8V 5% 500mW 2-Pin DO-35 Ammo	0
1N957B	Texas Instruments	Zener Diode, Two Terminal, 6.8 Volt, 5%, DO-204AA	5922

Part Number	Manufacturer	Description	Stock
1N957B_T50A D# 1N957B_T50A-ND	ON Semiconductor	DIODE ZENER 6.8V 500MW DO35	0
1N957B D# 2156-1N957B-FS-ND	Rochester Electronics LLC	DIODE ZENER 6.8V 500MW DO35	61942
1N957B_T50R D# 1N957B_T50R-ND	ON Semiconductor	DIODE ZENER 6.8V 500MW DO35	0
1N957B TR PBFREE D# 1514-1N957BTRPBFREETR-ND	Central Semiconductor Corp	DIODE ZENER 6.8V 500MW DO35	0
1N957B BK PBFREE D# 1514-1N957BBKPBFREE-ND	Central Semiconductor Corp	DIODE ZENER 6.8V 500MW DO35	0

Part Number	Manufacturer	Description	Stock
1N957B	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	68145
1N957BRT	Vishay Intertechnologies	OEM/CM QUOTES ONLY \| NO BROKERS	11000
JAN1N957B		OEM/CM QUOTES ONLY \| NO BROKERS	1
1N957BC	NA	OEM/CM QUOTES ONLY \| NO BROKERS	550
1N957BRL	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	2961
JANTX1N957B	Military Specifications	OEM/CM QUOTES ONLY \| NO BROKERS	2
1N957BTR	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	5500

Part Number

Manufacturer

Description

Stock

1N957BF

NXP Semiconductors

OEM/CM ONLY

1019

JANTXV1N957B

Microchip Technology Inc

OEM/CM ONLY

511

Part Number

Manufacturer

Description

Stock

1N957B

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

60000

Part Number

Manufacturer

Description

Stock

1N957B

D# 494-1N957B

Microchip Technology Inc

Zener Diodes Zener Diodes

RoHS: Not Compliant

340

Part Number	Manufacturer	Description	Stock
1N957B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
1N957B/TR	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
1N957B-1E3	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
1N957B D# MCHP00000045810	Microchip Technology Inc	Zener Diodes	0
1N957B/TR D# MCHP00000045811	Microchip Technology Inc	Zener Diodes	0
1N957B-1E3 D# MCHP00000045812	Microchip Technology Inc	Zener Diodes	0

Part Number

Manufacturer

Description

Stock

1N957B

D# 33C7892

NTE Electronics Inc

DIODE, ZENER, 6.8V, 500mW, DO-35, Zener Voltage Vz Typ:6.8V, Power Dissipation Pd:500mW, Diode Case Style:DO-35, Zener Tolerance ±:5%, No. of Pins:2Pins, Operating Temperature Max:200°C, Product Range:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number	Manufacturer	Description	Stock
1N957B D# NS-1N957B	Fairchild Semiconductor Corporation	OEM/CM ONLY	1826
1N957B_T50R D# NS-1N957B_T50R	Fairchild Semiconductor Corporation	OEM/CM ONLY	1543
1N957B-D D# NS-1N957B-D	ON Semiconductor	OEM/CM ONLY	2382
1N957B_T50A D# NS-1N957B_T50A	Fairchild Semiconductor Corporation	OEM/CM ONLY	2155

Part Number

Manufacturer

Description

Stock

1N957B

National Semiconductor Corporation

Zener Diode, Two Terminal, 6.8 Volt, 5%, DO-204AA

5796

Part Number

Manufacturer

Description

Stock

1N957B

D# 1N957B

N/A

Semiconductor

2959

Part Number

Manufacturer

Description

Stock

1N957B

ON Semiconductor

Zener Diode, 6.8V, 5%, 0.4W, Unidirectional, DO-35

RoHS: Compliant

41751

Part Number	Manufacturer	Description	Stock
1N957BRT	Vishay Intertechnologies	OEM/CM ONLY	10016
1N957B.TR	Fairchild Semiconductor Corporation	OEM/CM ONLY	5016
1N957BC	NA	OEM/CM ONLY	516
1N957BRL	Motorola Semiconductor Products	OEM/CM ONLY	2708
1N957BT	National Semiconductor Corporation	OEM/CM ONLY	5016

Part Number

Manufacturer

Description

Stock

1N957B

Fairchild Semiconductor Corporation

IN stock Immediate delivery

59985

Part Number	Manufacturer	Description	Stock
JANTXV1N957B-1	VPT Components	Zener Diodes HI-REL ZENER VOLT REGULATOR	0
JANTX1N957BUR-1	VPT Components	Zener Diodes HI-REL DISCRETE	0
JAN1N957B-1	VPT Components	Zener Diodes HI-REL DISCRETE	0
JANTXV1N957BUR-1	VPT Components	Zener Diodes HI-REL DISCRETE	0
JAN1N957BUR-1	VPT Components	Zener Diodes HI-REL DISCRETE	0
JANTX1N957B-1	VPT Components	Zener Diodes HI-REL ZENER VOLT REGULATOR	0

Part Number

Manufacturer

Description

Stock

1N957B

D# 2028021240

ITT Interconnect Solutions

1N957B ITT Zener Diode

48000

Part Number

Manufacturer

Description

Stock

1N957B

D# 39794738

Microchip Technology Inc

Zener Diode Single 6.8V 5% 4.5Ohm 500mW 2-Pin DO-7 Bag

RoHS: Not Compliant

Quick Inquiry

1N957B

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