Name: 1N4557RB
Brand: Microsemi Corporation
SKU: 1N4557RB
Availability: InStock
Rating: 5 (90 reviews)

1N4557RB

For Reference Only

Part Number	1N4557RB
Manufacturer	Microsemi Corporation
Description	DIODE ZENER 3.9V 50W TO204AD
Datasheet	1N4557RB Specifications
Package	TO-204AD
ECAD
In Stock	4,080 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 1 - May 6 (Choose Expedited Shipping)
Request for Quotation

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Delivery Services

Part Number # 1N4557RB (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 1N4557RB specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 1N4557RB with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 1N4557RB.

1N4557RB Specifications

Manufacturer	Microsemi Corporation
Category	Discrete Semiconductor Products - Diodes - Zener - Single
Package	TO-204AD
ECAD
Series	-
Voltage - Zener (Nom) (Vz)	3.9V
Tolerance	±5%
Power - Max	50W
Impedance (Max) (Zzt)	0.16 Ohms
Current - Reverse Leakage @ Vr	150µA @ 500mV
Voltage - Forward (Vf) (Max) @ If	1.5V @ 10A
Operating Temperature	-65°C ~ 175°C
Mounting Type	Through Hole
Package / Case	TO-204AD
Supplier Device Package	TO-204AD (TO-3)

1N4557RB Reviews

Luca*****haraj

March 20, 2023

★ ★ ★ ★ ★

This is the best online shop to order electronic components. From a 30 cent item up to industrial, Customer Service is great. This company is so reliable and super easy to work with and ask questions. One CS agent even stayed after hours to get me an answer!

Abdu***** Manda

March 20, 2023

★ ★ ★ ★ ★

I like this way to add a project, choose existing project to add components. I use this method frequently to keep track of my projects. Thanks Heisener!

Fat***** Vasa

March 12, 2023

★ ★ ★ ★ ★

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

Feli***** Huynh

March 11, 2023

★ ★ ★ ★ ★

I tested some and all look good.

Cayl*****hakta

March 11, 2023

★ ★ ★ ★ ★

I've had no issues. Good product, would buy again.

Rach*****arula

March 10, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Reya*****Rout

March 5, 2023

★ ★ ★ ★ ★

Wow super fast delivery, product as described good company!

Tere*****dwards

February 19, 2023

★ ★ ★ ★ ★

These did exactly what I needed them to do. Electricity only flows in one direction. Perfect.

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1N4557RB Packaging

1N4557RB FAQ

1. How to order 1N4557RB 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 1N4557RB is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 1N4557RB. All suppliers must pass our qualification reviews before they can publish their products including 1N4557RB on Heisener; we pay more attention to the channels and quality of 1N4557RB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 1N4557RB price and inventory displayed accurate?

The price and inventory of 1N4557RB 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 1N4557RB?

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 1N4557RB we delivered, we will accept the replacement or return of the 1N4557RB 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 1N4557RB.

(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 1N4557RB pin diagram, 1N4557RB datasheet?

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

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1N4557RB 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
1N4557RB D# 1N4557RB	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin TO-3 Tray - Trays (Alt: 1N4557RB) RoHS: Not Compliant	0
JAN1N4557RB D# JAN1N4557RB	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin TO-3 Tray - Trays (Alt: JAN1N4557RB) RoHS: Not Compliant	0
JANTXV1N4557RB D# JANTXV1N4557RB	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin TO-3 Tray - Trays (Alt: JANTXV1N4557RB) RoHS: Not Compliant	0
JANTX1N4557RB D# JANTX1N4557RB	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin TO-3 Tray - Trays (Alt: JANTX1N4557RB) RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

1N4557RB

Microsemi Corporation

DIODE ZENER 3.9V 50W TO204AD

Part Number

Manufacturer

Description

Stock

1N4557RB

D# 1N4557RB-ND

Microchip Technology Inc

DIODE ZENER 3.9V 50W TO204AD

Part Number

Manufacturer

Description

Stock

1N4557RB

SSI

OEM/CM QUOTES ONLY | NO BROKERS

1650

Part Number	Manufacturer	Description	Stock
JANTX1N4557RB	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4557RB-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4557RB-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4557RB	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
1N4557RB	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4557RB	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4557RB-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4557RB-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4557RB-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4557RB-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
JANTX1N4557RB D# MCHP00000065664	Microchip Technology Inc	Zener Diodes	0
JANTX1N4557RB-LOT CHARGE D# MCHP00000065666	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4557RB-LC D# MCHP00000071151	Microchip Technology Inc	Zener Diodes	0
JAN1N4557RB D# MCHP00000057387	Microchip Technology Inc	Zener Diodes	0
1N4557RB D# MCHP00000040210	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4557RB D# MCHP00000071150	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4557RB-LOT CHARGE D# MCHP00000071152	Microchip Technology Inc	Zener Diodes	0
JANTX1N4557RB-LC D# MCHP00000065665	Microchip Technology Inc	Zener Diodes	0
JAN1N4557RB-LC D# MCHP00000057388	Microchip Technology Inc	Zener Diodes	0
JAN1N4557RB-LOT CHARGE D# MCHP00000057389	Microchip Technology Inc	Zener Diodes	0

Part Number	Manufacturer	Description	Stock
1N4557RB+JANTX D# NS-1N4557RB+JANTX	Defense Logistics Agency	OEM/CM ONLY	2308
1N4557RB+JANTXV D# NS-1N4557RB+JANTXV	Defense Logistics Agency	OEM/CM ONLY	2585
1N4557RB+JAN D# NS-1N4557RB+JAN	Defense Logistics Agency	OEM/CM ONLY	8979

Part Number

Manufacturer

Description

Stock

1N4557RB

SSI Technologies Inc Controls Technologies Division

OEM/CM ONLY

1516

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1N4557RB

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