Name: 1N4549B
Brand: Microsemi Corporation
SKU: 1N4549B
Availability: InStock
Rating: 5 (143 reviews)

1N4549B

For Reference Only

Part Number	1N4549B
Manufacturer	Microsemi Corporation
Description	DIODE ZENER 3.9V 500MW DO5
Datasheet	1N4549B Specifications
Package	DO-203AB, DO-5, Stud
ECAD
In Stock	3,728 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 18 - May 23 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 1N4549B (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 1N4549B specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 1N4549B with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 1N4549B.

1N4549B Specifications

Manufacturer	Microsemi Corporation
Category	Discrete Semiconductor Products - Diodes - Zener - Single
Package	DO-203AB, DO-5, Stud
ECAD
Series	-
Voltage - Zener (Nom) (Vz)	3.9V
Tolerance	±5%
Power - Max	500mW
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	Chassis, Stud Mount
Package / Case	DO-203AB, DO-5, Stud
Supplier Device Package	DO-5

1N4549B Reviews

Lizb*****Scott

April 6, 2023

★ ★ ★ ★ ★

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

Rein*****neja

March 22, 2023

★ ★ ★ ★ ★

Awesome selection for all electronic parts here! Great service when it is needed too! Prices are competitive as well. Thank you!

Melis*****audhuri

March 14, 2023

★ ★ ★ ★ ★

Sure appreciate your quality, expertise and professional service. Thank you so much!!!

Rut*****esai

February 28, 2023

★ ★ ★ ★ ★

Purchasing from Heisener means the real part is obtained no worried for product quality.

Kars*****elley

February 28, 2023

★ ★ ★ ★ ★

very pleased with item, thank you.

Kolte*****wartz

February 23, 2023

★ ★ ★ ★ ★

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

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1N4549B Packaging

1N4549B FAQ

1. How to order 1N4549B 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 1N4549B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 1N4549B. All suppliers must pass our qualification reviews before they can publish their products including 1N4549B on Heisener; we pay more attention to the channels and quality of 1N4549B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 1N4549B price and inventory displayed accurate?

The price and inventory of 1N4549B 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 1N4549B?

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 1N4549B we delivered, we will accept the replacement or return of the 1N4549B 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 1N4549B.

(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 1N4549B pin diagram, 1N4549B datasheet?

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

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1N4549B 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

1N4549B

D# 70314376

Solid State Manufacturing

Diode, Zener, Standard, 3.9 V, 3.2 A, 50 W, DO-5, 400 Ohm

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
1N4549B D# 1N4549B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin DO-5 - Trays (Alt: 1N4549B) RoHS: Not Compliant	0
JANTX1N4549B D# JANTX1N4549B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 1-Pin DO-5 Tray - Trays (Alt: JANTX1N4549B) RoHS: Not Compliant	0
JAN1N4549B D# JAN1N4549B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 1-Pin DO-5 Tray - Trays (Alt: JAN1N4549B) RoHS: Not Compliant	0
JANTXV1N4549B D# JANTXV1N4549B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 1-Pin DO-5 Tray - Trays (Alt: JANTXV1N4549B) RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

1N4549B

New Jersey Semiconductor Products, Inc.

4711

Part Number

Manufacturer

Description

Stock

1N4549B

Solid State Devices Inc (SSDI)

ZENER DIODE, 50W, 3.9V, DO-5, Zener Voltage Vz Typ:3.9V, Power Dissipation Pd:50W, Diode Case Style:DO-5, No. of Pins:2, Operating Temperature Max:175C, Packaging:Each, Diode Type:Zener, MSL:-, Operating Temperature Min:-65C , RoHS Compliant: Yes

Part Number

Manufacturer

Description

Stock

1N4549B

D# 2383-1N4549B-ND

Solid State Devices Inc (SSDI)

DIODE ZENER 3.9V 50W DO5

Part Number

Manufacturer

Description

Stock

JANT1N4549B

MSC

In stock shipping within 2days

223

1N4549B

Microsemi Corporation

In stock shipping within 2days

178

Part Number	Manufacturer	Description	Stock
J1N4549B	SIEMENS	OEM/CM QUOTES ONLY \| NO BROKERS	6
JANTX1N4549B		OEM/CM QUOTES ONLY \| NO BROKERS	10
JAN1N4549B	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	7
1N4549BJAN	N/A	OEM/CM QUOTES ONLY \| NO BROKERS	25
1N4549B	New Jersey Semiconductor Products, Inc.	OEM/CM QUOTES ONLY \| NO BROKERS	2798

Part Number

Manufacturer

Description

Stock

1N4549BR

Microchip Technology Inc

OEM/CM ONLY

395

Part Number	Manufacturer	Description	Stock
JANTX1N4549B-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4549B-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
1N4549B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4549B-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4549B-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4549B-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4549B-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4549B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4549B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4549B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
JANTXV1N4549B-LOT CHARGE D# MCHP00000071113	Microchip Technology Inc	Zener Diodes	0
JAN1N4549B-LC D# MCHP00000057349	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4549B-LC D# MCHP00000071112	Microchip Technology Inc	Zener Diodes	0
JANTX1N4549B-LC D# MCHP00000065626	Microchip Technology Inc	Zener Diodes	0
JANTX1N4549B D# MCHP00000065625	Microchip Technology Inc	Zener Diodes	0
JAN1N4549B-LOT CHARGE D# MCHP00000057350	Microchip Technology Inc	Zener Diodes	0
1N4549B D# MCHP00000040185	Microchip Technology Inc	Zener Diodes	0
JAN1N4549B D# MCHP00000057348	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4549B D# MCHP00000071111	Microchip Technology Inc	Zener Diodes	0
JANTX1N4549B-LOT CHARGE D# MCHP00000065627	Microchip Technology Inc	Zener Diodes	0

Part Number

Manufacturer

Description

Stock

1N4549B

D# 10P5209

Solid State Devices Inc (SSDI)

ZENER DIODE, 50W, 3.9V, DO-5, Zener Voltage Vz Typ:3.9V, Power Dissipation Pd:50W, Diode Case Style:DO-5, Zener Tolerance ±:5%, No. of Pins:2Pins, Operating Temperature Max:175°C, Product Range:-, Automotive Qualification Standard:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 25

Container: Bulk

Part Number

Manufacturer

Description

Stock

1N4549B+JANTX

D# NS-1N4549B+JANTX

Defense Logistics Agency

OEM/CM ONLY

1942

1N4549B+JAN

D# NS-1N4549B+JAN

Defense Logistics Agency

OEM/CM ONLY

1572

Part Number

Manufacturer

Description

Stock

1N4549B

New Jersey Semiconductor Products Inc

2035

Part Number

Manufacturer

Description

Stock

JAN1N4549B

D# JAN1N4549B

Siemens

Semiconductor

Quick Inquiry

1N4549B

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