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1N3903 The 1N3903 is a silicon rectifier manufactured by WESTINGHOUSE. It offers a forward current of 20A and a forward voltage of 1.4V.
Mfr Part #:

1N3903

Available from 1 distributors
Mfr Name: Westinghouse
Westinghouse
The 1N3903 is a silicon rectifier manufactured by WESTINGHOUSE. It offers a forward current of 20A and a forward voltage of 1.4V.
✓ Total Stock: 1 pcs
$ Price Range: $1.20

1N3903 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
1 pcs
On Request
1 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

1N3903 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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1N3903 Description

Short technical summary and product information.

The 1N3903 is a silicon rectifier from WESTINGHOUSE, designed for various electronic applications. This component features a robust forward current rating of 20A and a typical forward voltage of 1.4V at 1mA.

 

With a maximum reverse recovery time of 200ns, the 1N3903 is suitable for switching applications. It operates within a wide temperature range, from -65°C to 150°C, ensuring reliability in diverse environmental conditions. The mounting type is specified as Stud, facilitating easy integration into circuit designs.

 

This rectifier is part of a broader family of similar components, with variations available from other manufacturers. Its specifications make it a candidate for power supply circuits, general rectification tasks, and other applications requiring efficient diode performance.

1N3903 Quick Information

Product Type: Silicon Rectifier
Canonical Name: 1N3903 Silicon Rectifier
Subcategory: Rectifier

1N3903 Compliance

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

1N3903 Estimated Pricing

Qty Low High
1+ $1.20 $1.20

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

1N3903 Features

  • 20A maximum forward current rating.
  • 1.4V typical forward voltage.
  • 200ns maximum reverse recovery time.
  • Wide operating temperature range: -65°C to 150°C.
  • Stud mount type for easy integration.

1N3903 Applications

  • Suitable for power supply circuits.
  • Used in general rectification tasks.
  • Applicable in switching circuits.
  • Component for various electronic designs.

1N3903 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the forward current of the 1N3903 rectifier?

The 1N3903 rectifier has a forward current of 20A.

What is the typical forward voltage for the 1N3903?

The typical forward voltage for the 1N3903 is 1.4V at 1mA.

What is the maximum reverse recovery time of the 1N3903?

The maximum reverse recovery time for the 1N3903 is 200ns.

What is the operating temperature range for the 1N3903?

The 1N3903 operates from a minimum temperature of -65°C to a maximum temperature of 150°C.

How is the 1N3903 rectifier mounted?

The 1N3903 rectifier is a stud mount type.

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