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

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36,020 pcs
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1N4937RLG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Blocking Voltage
Diode Type
Forward Voltage (Typical/Maximum @ IF=3.14 A, TJ=150 °C)
Lead Soldering Temperature
Lead Style
Medical Grade
Mounting Type
Non-Repetitive Peak Reverse Voltage
Non-Repetitive Peak Surge Current
Operating Temperature
Packaging Type
Peak Repetitive Reverse Voltage
Polarity
RMS Reverse Voltage
Reverse Current (Typical/Maximum @ Rated DC voltage, TA=100 °C)
Reverse Current (Typical/Maximum @ Rated DC voltage, TA=25 °C)
Reverse Recovery Time (trr)
SVHC Present
Speed
Standard Package Quantity
Storage Temperature
Storage Temperature Range
Supplier Device Package
Tape & Reel
Technology
Termination Style
Thermal Resistance Junction-to-Ambient
Voltage
Weight

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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