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1N2979B 1N2979B is a 15V, 10W Zener diode in a DO-4 stud mount package with ±5% tolerance and 3Ω impedance.
Mfr Part #:

1N2979B

Available from 1 distributors
Mfr Name: Solid State Devices Inc (SSDI)
Solid State Devices Inc (SSDI)
1N2979B is a 15V, 10W Zener diode in a DO-4 stud mount package with ±5% tolerance and 3Ω impedance.
Total Stock: 6,358 pcs

1N2979B Available from 1 distributor

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1N2979B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Forward Voltage
Impedance (Max) (Zzt)
Impedance (Zzt)
Industrial Grade
Junction Temperature
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Polarity
Power
Power Dissipation
Reverse Leakage Current
Storage Temperature
Storage Temperature Range
Supplier Device Package
Tape & Reel
Termination Style
Thermal Resistance - Junction to Case
Tolerance
Voltage
Weight
Zener Voltage

1N2979B Description

Short technical summary and product information.

The 1N2979B is a 15V Zener diode rated for 10W power dissipation. It features a low impedance of 3Ω and a reverse leakage current of 5µA at 11.4V. The forward voltage is 1.5V at 2A. This diode is housed in a DO-203AA (DO-4) stud mount package with 10-32 threaded terminals, suitable for chassis mounting. It operates over a junction temperature range of -65°C to +175°C and has a thermal resistance of 12°C/W junction-to-case. The device is designed for voltage regulation applications requiring stable performance over a broad current and temperature range.

1N2979B Quick Information

Product Type: Zener Diode
Series: 1N2970B-1N3015B
Canonical Name: 1N2979B Zener Diode 15V 10W DO-4
Subcategory: Single Zener Diode

1N2979B Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Contains lead (tin-lead plating)

1N2979B Features

  • 15V Zener voltage with ±5% tolerance.
  • 10W power dissipation capability.
  • Low 3Ω impedance for stable regulation.
  • DO-4 stud mount package for easy mounting.
  • Operates from -65°C to +175°C junction temperature.

1N2979B Applications

  • Voltage regulation in power supply circuits.
  • Overvoltage protection in industrial systems.
  • Reference voltage in precision circuits.
  • Surge suppression in automotive electronics.

1N2979B FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N2979B?

The Zener voltage is 15V.

What is the power dissipation rating?

The power dissipation is 10W.

What is the package type?

The package is DO-203AA (DO-4) stud mount.

What is the operating temperature range?

The junction temperature range is -65°C to +175°C.

What is the tolerance of the Zener voltage?

The tolerance is ±5%.

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