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1N4937RLG The 1N4937RLG is a 600V, 1A fast recovery rectifier diode from On Semiconductor. It features a typical reverse recovery time of 300 ns and comes in an axial DO-41 package.
Mfr Part #:

1N4937RLG

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 1N4937RLG is a 600V, 1A fast recovery rectifier diode from On Semiconductor. It features a typical reverse recovery time of 300 ns and comes in an axial DO-41 package.
✓ Total Stock: 36,020 pcs
$ Price Range: $0.06 - $0.28

1N4937RLG Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
36,020 pcs
On Request
36020 pcs On Request 1 On Request On Request On Request On Request On Request
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1N4937RLG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Diode Type
Lead Style
Medical Grade
Mounting Type
Operating Temperature
Reverse Recovery Time (trr)
SVHC Present
Speed
Storage Temperature
Supplier Device Package
Tape & Reel
Technology
Termination Style
Voltage
Weight
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1N4937RLG Description

Short technical summary and product information.

The 1N4937RLG is a fast recovery rectifier diode designed for applications requiring high efficiency at frequencies up to 250 kHz. With a peak repetitive reverse voltage of 600V and an average rectified forward current of 1A, it is well-suited for DC power supplies, inverters, converters, and free-wheeling diodes. The device features a typical forward voltage of 1.05V at 1A and a maximum reverse recovery time of 300 ns. It is housed in a DO-204AL (DO-41) axial package with a weight of 0.4 grams. The operating temperature range is -65°C to 150°C. The part is Pb-free and RoHS compliant. Available in tape and reel packaging with 5000 units per reel.

1N4937RLG Quick Information

Product Type: Fast Recovery Rectifier Diode
Series: 1N4937
Canonical Name: 1N4937RLG Fast Recovery Rectifier Diode
Subcategory: Fast Recovery Rectifier

1N4937RLG Compliance

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

1N4937RLG Estimated Pricing

Qty Low High
1+ $0.28 $0.28
10+ $0.17 $0.17
100+ $0.11 $0.11
500+ $0.08 $0.08
1,000+ $0.06 $0.06
5,000+ $0.06 $0.06

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

1N4937RLG Features

  • Fast recovery rectifier with 300 ns reverse recovery time.
  • Rated for 600V peak repetitive reverse voltage.
  • 1A average rectified forward current at 75°C.
  • Through-hole axial DO-41 package.
  • Pb-free and RoHS compliant.

1N4937RLG Applications

  • Used in DC power supply output rectification.
  • Ideal for free-wheeling diode in switching circuits.
  • Suitable for high-frequency inverters and converters.
  • Employed in ultrasonic systems and chopper circuits.

1N4937RLG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum voltage rating of the 1N4937RLG?

The peak repetitive reverse voltage is 600V, with a non-repetitive peak reverse voltage of 650V.

What is the forward current rating?

The average rectified forward current is 1A at 75°C.

What is the forward voltage drop?

The forward voltage is 1.05V typical and 1.2V maximum at 1A and 25°C.

What is the reverse recovery time?

The reverse recovery time is 300 ns (typical).

What package does the 1N4937RLG come in?

The device is in a DO-204AL (DO-41) axial lead package.

What is the surge current capability?

The non-repetitive peak surge current is 30A.

What is the operating temperature range?

The junction operating temperature range is -65°C to 150°C.

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