JAN1N4991US JAN1N4991US is a 5W surface mount Zener diode from Microchip Technology. It offers ±5% tolerance and operates from -65°C to 175°C.
Mfr Part #:

JAN1N4991US

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
JAN1N4991US is a 5W surface mount Zener diode from Microchip Technology. It offers ±5% tolerance and operates from -65°C to 175°C.
Total Stock: 106 pcs
$ Price Range: $13.88 - $13.89

JAN1N4991US Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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106 pcs
106 pcs On Request 1 On Request On Request 0837 On Request On Request

JAN1N4991US Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Military Grade
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Tolerance
Voltage

JAN1N4991US Description

Short technical summary and product information.

The JAN1N4991US is a Zener diode from Microchip Technology, designed for voltage regulation and protection applications. It is housed in a surface mount SQ-MELF (E) package with a D-5B supplier device package, suitable for automated assembly.

 

Electrically, this diode features a forward voltage of 1.5 V at 1 A, a maximum impedance of 650 Ω, and a reverse leakage current of 2 µA at 182 V. The tolerance is ±5%.

 

Thermal characteristics include an operating temperature range of -65°C to 175°C, allowing use in harsh environments. The power dissipation rating is 5 W.

 

Compliance information: RoHS3 compliant (low confidence), MSL 1 Unlimited, and REACH unaffected. Note that compliance data is unverified.

JAN1N4991US Quick Information

Product Type: Zener Diode
Canonical Name: JAN1N4991US 5W Zener Diode in SQ-MELF Package
Subcategory: Single Zener Diode

JAN1N4991US Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

JAN1N4991US Estimated Pricing

Qty Low High
1+ $13.89 $13.89
10+ $13.88 $13.88

Estimated market price range - modelled values for guidance only, not live distributor offers.

JAN1N4991US Features

  • Rated for 5W power dissipation.
  • Surface mount SQ-MELF package.
  • Operating temperature from -65°C to 175°C.
  • Reverse leakage current of 2 µA at 182 V.
  • Forward voltage 1.5 V at 1 A.

JAN1N4991US Applications

  • Used in voltage regulation circuits.
  • Suitable for overvoltage protection.
  • Ideal for high-temperature environments.
  • Can be used in power supply clamping.

JAN1N4991US FAQs

7 frequently asked questions generated from this part’s specifications.
What is the forward voltage of the JAN1N4991US?

1.5V at 1A.

What is the package type of the JAN1N4991US?

SQ-MELF, E (case) and D-5B (supplier device package).

What is the power rating of the JAN1N4991US?

5W.

What is the operating temperature range?

-65°C to 175°C.

What is the tolerance of the Zener diode?

±5%.

What is the maximum impedance?

650Ω.

What is the reverse leakage current?

2µA at 182V.

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