Name: 1N4491
Brand: Semtech Corporation
SKU: 1N4491
Availability: InStock
Rating: 5 (146 reviews)

1N4491

For Reference Only

Part Number	1N4491
Manufacturer	Semtech Corporation
Description	Z MET 120V
Datasheet	1N4491 Specifications
Package	-
ECAD
In Stock	5,616 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 27 - May 2 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 1N4491 (Diodes - Zener - Single) is manufactured by Semtech 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 1N4491 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 1N4491 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 1N4491.

1N4491 Specifications

Manufacturer	Semtech Corporation
Category	Discrete Semiconductor Products - Diodes - Zener - Single
Package	-
ECAD
Series	*
Voltage - Zener (Nom) (Vz)	-
Tolerance	-
Power - Max	-
Impedance (Max) (Zzt)	-
Current - Reverse Leakage @ Vr	-
Voltage - Forward (Vf) (Max) @ If	-
Operating Temperature	-
Mounting Type	-
Package / Case	-
Supplier Device Package	-

1N4491 Reviews

Javi*****uresh

April 4, 2023

★ ★ ★ ★ ★

On time and as described, fast delivery. Would definitely buy again. Thx.

Sal*****Sibal

March 20, 2023

★ ★ ★ ★ ★

They worked great. Not much to say - as far as I can tell they adhere to the specs, and did the job I needed them to. Good transistors for higher current situations.

Emma***** Brock

March 16, 2023

★ ★ ★ ★ ★

I have always get a fast response from Heisener with my orders. As a small business owner I greatly appreciate that I can order as little as 1 item as opposed to other companies who require you place a larger minimum order.

Terra*****rennan

March 2, 2023

★ ★ ★ ★ ★

It arrived earlier than the deadline. All is OK. Thank you

Ayle*****obbs

March 1, 2023

★ ★ ★ ★ ★

Excellent Seller, Great Products, Fast Reliable Service.

Ler*****Nagar

February 24, 2023

★ ★ ★ ★ ★

Easy transaction. Very pleased with goods in perfect condition would recommend Heisener company.

Write a Review

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1N4491 Packaging

1N4491 FAQ

1. How to order 1N4491 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 1N4491 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 1N4491. All suppliers must pass our qualification reviews before they can publish their products including 1N4491 on Heisener; we pay more attention to the channels and quality of 1N4491 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 1N4491 price and inventory displayed accurate?

The price and inventory of 1N4491 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 1N4491?

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 1N4491 we delivered, we will accept the replacement or return of the 1N4491 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 1N4491.

(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 1N4491 pin diagram, 1N4491 datasheet?

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

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1N4491 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

1N4491

D# 70911758

Solid State Manufacturing

GLASS 1.5 WATT ZENER DIODE

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
JANTXV1N4491 D# VN6:3635_17406844	Microsemi Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin DO-41 Bag RoHS: Not Compliant	0
JAN1N4491 D# V37:1799_16597368	Sensitron Semiconductors	Zener Diode Single 120V 400Ohm 1500mW 2-Pin DO-41	0
1N4491 D# V36:1790_07331419	Semtech Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin Case G-99	0
1N4491US D# V36:1790_07331421	Semtech Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin SMD	0
1N4491USJANTX D# V37:1799_15892248	Sensitron Semiconductors	Zener Diode Single 120V 400Ohm 1500mW 2-Pin MELF	0
JANTX1N4491US D# VN6:3635_17501510	Microsemi Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin A-MELF Bag RoHS: Not Compliant	0
JANTX1N4491 D# VN6:3635_17537704	Microsemi Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin DO-41 Bag RoHS: Not Compliant	0
1N4491JANTX D# V37:1799_15892996	Sensitron Semiconductors	Zener Diode Single 120V 400Ohm 1500mW 2-Pin DO-41 RoHS: Not Compliant	0
JAN1N4491US D# V37:1799_07332589	Semtech Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin SMD	0
JANTXV1N4491US D# V37:1799_07341712	Semtech Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin SMD	0

Part Number	Manufacturer	Description	Stock
JANTXV1N4491US D# JANTXV1N4491US	Microchip Technology Inc	- Bag (Alt: JANTXV1N4491US) RoHS: Not Compliant	0
JAN1N4491 D# JAN1N4491	Microchip Technology Inc	Diode Zener Single 120V 5% 1.5W 2-Pin Case A - Bag (Alt: JAN1N4491) RoHS: Not Compliant	0
JTX1N4491 D# JTX1N4491	Semtech Corporation	Diode Zener Single 120V 1.5W 2-Pin Axial Leaded - Bulk (Alt: JTX1N4491)	0
1N4491US D# 1N4491US	Sensitron Semiconductors	Zener Single 120V 1500mW 2-Pin MELF - Bag (Alt: 1N4491US) RoHS: Not Compliant	0
1N4491 D# 1N4491	Semtech Corporation	Diode Zener Single 120V 5% 1.5W 2-Pin Case G-99 - Bulk (Alt: 1N4491) RoHS: Not Compliant	0
JAN1N4491C D# JAN1N4491C	Microchip Technology Inc	Diode Zener Single 120V 2% 1.5W 2-Pin Axial DO-41 Bag - Bag (Alt: JAN1N4491C) RoHS: Not Compliant	0
JANTXV1N4491 D# JANTXV1N4491	Semtech Corporation	Diode Zener Single 120V 5% 1.5W 2-Pin Case G-99 - Bulk (Alt: JANTXV1N4491) RoHS: Not Compliant	0
JAN1N4491DUS D# JAN1N4491DUS	Microchip Technology Inc	Diode Zener Single 120V 1% 1.5W 2-Pin A-Case MELF SMD - Bag (Alt: JAN1N4491DUS) RoHS: Not Compliant	0
JANS1N4491 D# JANS1N4491	Semtech Corporation	Diode Zener Single 120V 5% 1.5W 2-Pin Case G-99 - Waffle Pack (Alt: JANS1N4491) RoHS: Not Compliant	0
JANTX1N4491US D# JANTX1N4491US	Semtech Corporation	Diode Zener Single 120V 5% 1.5W 2-Pin SMD - Trays (Alt: JANTX1N4491US) RoHS: Not Compliant	0
JANS1N4491US D# JANS1N4491US	Microchip Technology Inc	Diode Zener Single 120V 5% 1.5W 2-Pin A-Case MELF SMD Waffle Pack - Waffle Pack (Alt: JANS1N4491US) RoHS: Not Compliant	0
JTXV1N4491US D# JTXV1N4491US	Semtech Corporation	Diode Zener Single 120V 1.5W 2-Pin Surface Mount - Bulk (Alt: JTXV1N4491US)	0
JTXV1N4491 D# JTXV1N4491	Semtech Corporation	Diode Zener Single 120V 1.5W 2-Pin Axial Leaded - Bulk (Alt: JTXV1N4491)	0
JANTX1N4491 D# JANTX1N4491	Sensitron Semiconductors	Zener Single 120V 1500mW 2-Pin DO-41 - Bulk (Alt: JANTX1N4491) RoHS: Not Compliant	0
JTX1N4491US D# JTX1N4491US	Semtech Corporation	Diode Zener Single 120V 1.5W 2-Pin Surface Mount - Bulk (Alt: JTX1N4491US)	0
JAN1N4491CUS D# JAN1N4491CUS	Microchip Technology Inc	Diode Zener Single 120V 2% 1.5W 2-Pin A-Case MELF SMD - Bag (Alt: JAN1N4491CUS) RoHS: Not Compliant	0
JAN1N4491US D# JAN1N4491US	Microchip Technology Inc	Diode Zener Single 120V 5% 1.5W 2-Pin A-MELF - Bag (Alt: JAN1N4491US) RoHS: Not Compliant	0
JAN1N4491D D# JAN1N4491D	Microchip Technology Inc	Diode Zener Single 120V 1% 1.5W 2-Pin Axial DO-41 Bag - Bag (Alt: JAN1N4491D) RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

1N4491

New Jersey Semiconductor Products, Inc.

7874

Part Number	Manufacturer	Description	Stock
JAN1N4491US D# JAN1N4491USS-ND	Semtech Corporation	DIODE ZENER 120V 1.5W	0
JAN1N4491D D# 1086-18075-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W DO41	0
JTX1N4491 D# 600-JTX1N4491-ND	Semtech Corporation	DIODE ZENER 120V 1.5W	0
JAN1N4491CUS D# 1086-18073-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W D5A	0
JANTXV1N4491US D# 1086-18080-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W D5A	0
JANTX1N4491CUS D# 1086-18074-ND	Microsemi Corporation	DIODE ZENER 120V 1.5W D5A	0
JANTX1N4491C D# 1086-18072-ND	Microsemi Corporation	DIODE ZENER 120V 1.5W DO41	0
JAN1N4491 D# 1086-18068-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W DO41	0
1N4491US D# 1N4491US-ND	Semtech Corporation	DIODE ZENER 120V 1.5W	0
JAN1N4491C D# 1086-18071-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W DO41	0
JANTXV1N4491 D# 1086-18070-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W DO41	0
1N4491 D# 1N4491MS-ND	Microchip Technology Inc	DIODE ZENER	0
JANTX1N4491D D# 1086-18076-ND	Microsemi Corporation	DIODE ZENER 120V 1.5W DO41	0
JAN1N4491DUS D# 1086-18077-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W D5A	0
JTXV1N4491US D# 600-JTXV1N4491US-ND	Semtech Corporation	DIODE ZENER 120V 1.5W	0
JTXV1N4491 D# 600-JTXV1N4491-ND	Semtech Corporation	DIODE ZENER 120V 1.5W	0
JTX1N4491US D# 600-JTX1N4491US-ND	Semtech Corporation	DIODE ZENER 120V 1.5W	0
JANTX1N4491 D# 1086-18069-ND	Microchip Technology Inc	DIODE ZENER 120V 1.5W DO41	0
JANTX1N4491DUS D# 1086-18078-ND	Microsemi Corporation	DIODE ZENER 120V 1.5W D5A	0

Part Number	Manufacturer	Description	Stock
JANTX1N4491	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	578
1N4491D	New Jersey Semiconductor Products Inc	OEM/CM QUOTES ONLY \| NO BROKERS	1100
JAN1N4491	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	72
JTX1N4491	MICROSEMI CONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	673
1N4491JANTXV	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	68
JANTXV1N4491	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	102
JS1N4491	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	114
1N4491J	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	68
J1N4491	MICROSEMI CONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	676
1N4491	New Jersey Semiconductor Products, Inc.	OEM/CM QUOTES ONLY \| NO BROKERS	8661
1N4491JTXV	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	68
1N4491JTX	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	68
JTXV1N4491	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	72
JANS1N4491US	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	465
JANS1N4491	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	409
JANTX1N4491US	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	1021

Part Number	Manufacturer	Description	Stock
JANS1N4491US	Microchip Technology Inc	OEM/CM ONLY	516
JAN1N4491US	Microchip Technology Inc	OEM/CM ONLY	18100
JANTX1N4491CUS	Microchip Technology Inc	OEM/CM ONLY	18100
JAN1N4491CUS	Microchip Technology Inc	OEM/CM ONLY	18100
JANTX1N4491C	Microchip Technology Inc	OEM/CM ONLY	18100
JANTX1N4491D	Microchip Technology Inc	OEM/CM ONLY	18100
JANTX1N44911N4491JTX	Microchip Technology Inc	OEM/CM ONLY	160
JAN1N4491DUS	Microchip Technology Inc	OEM/CM ONLY	18100
JAN1N4491C	Microchip Technology Inc	OEM/CM ONLY	18100
JANS1N4491	Microchip Technology Inc	OEM/CM ONLY	453
JANTX1N4491US	Microchip Technology Inc	OEM/CM ONLY	149
JANTX1N4491DUS	Microchip Technology Inc	OEM/CM ONLY	18100

Part Number	Manufacturer	Description	Stock
JAN1N4491D	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4491CUS	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4491	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4491US	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4491US	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4491C	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
1N4491US	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4491	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4491	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4491DUS	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
1N4491	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANS1N4491US	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANS1N4491	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4491US	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
JANTX1N4491 D# MCHP00000065609	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4491US D# MCHP00000071099	Microchip Technology Inc	Zener Diodes	0
JAN1N4491D D# MCHP00000057314	Microchip Technology Inc	Zener Diodes	0
JAN1N4491US D# MCHP00000057316	Microchip Technology Inc	Zener Diodes	0
1N4491US D# MCHP00000040153	Microchip Technology Inc	Zener Diodes	0
JAN1N4491CUS D# MCHP00000057313	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4491 D# MCHP00000071098	Microchip Technology Inc	Zener Diodes	0
JAN1N4491 D# MCHP00000057311	Microchip Technology Inc	Zener Diodes	0
JAN1N4491C D# MCHP00000057312	Microchip Technology Inc	Zener Diodes	0
1N4491 D# MCHP00000040152	Microchip Technology Inc	Zener Diodes	0
JANTX1N4491US D# MCHP00000065610	Microchip Technology Inc	Zener Diodes	0
JAN1N4491DUS D# MCHP00000057315	Microchip Technology Inc	Zener Diodes	0
JANS1N4491US D# MCHP00000061432	Microchip Technology Inc	Zener Diodes	0
JANS1N4491 D# MCHP00000061431	Microchip Technology Inc	Zener Diodes	0

Part Number	Manufacturer	Description	Stock
JTX1N4491 D# 39AH2686	Semtech Corporation	120V ZENER 1.5W RoHS: Not Compliant Min Qty: 250 Container: Bulk	0
JTXV1N4491US D# 39AH2108	Semtech Corporation	120V ZENER 1.5W RoHS: Not Compliant Min Qty: 250 Container: Bulk	0
JTXV1N4491 D# 39AH2107	Semtech Corporation	120V ZENER 1.5W RoHS: Not Compliant Min Qty: 250 Container: Bulk	0
JTX1N4491US D# 39AH2687	Semtech Corporation	120V ZENER 1.5W RoHS: Not Compliant Min Qty: 250 Container: Bulk	0

Part Number	Manufacturer	Description	Stock
1N4491US+JANTXV D# NS-1N4491US+JANTXV	Defense Logistics Agency	OEM/CM ONLY	1880
1N4491US+JANS D# NS-1N4491US+JANS	Defense Logistics Agency	OEM/CM ONLY	1393
1N4491DUS D# NS-1N4491DUS	Microsemi Corporation	OEM/CM ONLY	1890
1N4491US+JAN D# NS-1N4491US+JAN	Defense Logistics Agency	OEM/CM ONLY	1813
1N4491+JANTX D# NS-1N4491+JANTX	Defense Logistics Agency	OEM/CM ONLY	6091
1N4491CUS D# NS-1N4491CUS	Microsemi Corporation	OEM/CM ONLY	2171
1N4491D D# NS-1N4491D	Microsemi Corporation	OEM/CM ONLY	1231
1N4491C D# NS-1N4491C	Microsemi Corporation	OEM/CM ONLY	3887
1N4491+JAN D# NS-1N4491+JAN	Defense Logistics Agency	OEM/CM ONLY	7990
1N4491+JANTXV D# NS-1N4491+JANTXV	Defense Logistics Agency	OEM/CM ONLY	2077
1N4491US D# NS-1N4491US	Microsemi Corporation	OEM/CM ONLY	2328
1N4491US+JANTX D# NS-1N4491US+JANTX	Defense Logistics Agency	OEM/CM ONLY	2017
1N4491+JANS D# NS-1N4491+JANS	Defense Logistics Agency	OEM/CM ONLY	6100

Part Number

Manufacturer

Description

Stock

JANTX1N4491

Microsemi Corporation

Zener Diode, Two Terminal, 120 Volt, 5%, DO-204AL

188

1N4491

New Jersey Semiconductor Products Inc

6299

Part Number	Manufacturer	Description	Stock
1N4491JTXV	Microwave Semiconductor	OEM/CM ONLY	78
JTX1N4491	Semtech Corporation	OEM/CM ONLY	708
1N4491D	New Jersey Semiconductor Products Inc	OEM/CM ONLY	1016
1N4491C	New Jersey Semiconductor Products Inc	OEM/CM ONLY	1016
JS1N4491	Microwave Semiconductor	OEM/CM ONLY	115
1N4491J	Microwave Semiconductor	OEM/CM ONLY	128
J1N4491	Unitrode Corporation	OEM/CM ONLY	911
1N4491JTX	Texas Instruments	OEM/CM ONLY	208
JTXV1N4491	Semtech Corporation	OEM/CM ONLY	78

Part Number	Manufacturer	Description	Stock
JANTXV1N4491 D# 35315065	Microsemi Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin DO-41 Bag RoHS: Not Compliant	0
JANTX1N4491US D# 35314780	Microsemi Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin A-MELF Bag RoHS: Not Compliant	0
JANTX1N4491 D# 35313519	Microsemi Corporation	Zener Diode Single 120V 5% 400Ohm 1500mW 2-Pin DO-41 Bag RoHS: Not Compliant	0

Quick Inquiry

1N4491

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS