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1N3879 The 1N3879 is a 50V, 6A fast recovery rectifier diode from Solid State Devices Inc (SSDI) in a DO-4 (DO-203AA) stud mount package.
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1N3879

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Mfr Name: Solid State Devices Inc (SSDI)
Solid State Devices Inc (SSDI)
The 1N3879 is a 50V, 6A fast recovery rectifier diode from Solid State Devices Inc (SSDI) in a DO-4 (DO-203AA) stud mount package.
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1N3879 Available from 1 distributor

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1N3879 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Diode Type
Halogen Free
Industrial Grade
Medical Grade
Military Grade
Mounting Type
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SVHC Present
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1N3879 Description

Short technical summary and product information.

The 1N3879 is a silicon fast recovery rectifier diode designed for high surge capability and reliable operation in power conversion circuits. It features a repetitive peak reverse voltage (Vrrm) of 50V and a continuous forward current (If) rating of 6A. The diode offers a fast reverse recovery time (Trr) of 200 ns, making it suitable for high-frequency switching applications.

 

Electrical characteristics include a forward voltage drop (Vf) of 1.4V at 6A and 25°C, and a low reverse current (Ir) of 15 µA at 25°C. The device is rated for an operating junction temperature range of -55°C to 150°C and has a thermal resistance (RthJC) of 2.5 °C/W.

 

The 1N3879 is housed in a DO-4 (DO-203AA) stud mount package, with standard polarity (stud is cathode) and a reverse polarity variant (1N3879R, stud is anode). This package provides robust mechanical mounting and efficient heat dissipation for demanding power applications.

1N3879 Quick Information

Product Type: Fast Recovery Rectifier Diode
Series: 1N3879
Canonical Name: 1N3879 Silicon Fast Recovery Diode, 50V, 6A, DO-4 (DO-203AA) Stud Mount
Subcategory: Standard Recovery Diode

1N3879 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

1N3879 Features

  • 50V repetitive peak reverse voltage rating.
  • 6A continuous forward current capability.
  • 200 ns fast reverse recovery time.
  • DO-4 (DO-203AA) stud mount package.
  • High surge capability of 90A.

1N3879 Applications

  • Used in power supply rectifier circuits.
  • Ideal for freewheeling diode applications.
  • Suitable for high-frequency switching converters.
  • Applied in motor drive snubber circuits.

1N3879 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum repetitive peak reverse voltage (Vrrm) of the 1N3879?

The 1N3879 has a repetitive peak reverse voltage (Vrrm) of 50V.

What is the continuous forward current rating of the 1N3879?

The 1N3879 is rated for a continuous forward current (If) of 6A.

What is the forward voltage drop of the 1N3879?

The forward voltage drop (Vf) is 1.4V at a forward current of 6A and a junction temperature of 25°C.

What is the reverse recovery time of the 1N3879?

The maximum reverse recovery time (Trr) is 200 ns, tested at If=0.5A, Ir=1.0A, and Irr=0.25A.

What package type is the 1N3879 available in?

The 1N3879 is available in a DO-4 (DO-203AA) stud mount package.

What is the operating temperature range of the 1N3879?

The operating junction temperature range is -55°C to 150°C.

What is the surge current capability of the 1N3879?

The surge non-repetitive forward current (Ifsm) is 90A for a half sine wave of 8.3 ms at 25°C.

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