• 1N4937 Diode - 600V 1A Fast Recovery Diode - 2 pieces pack

The IN4937 Axial-lead, Fast Recovery Rectifiers are designed for special applications such as dc power supplies, inverters, converters, ultrasonic systems, choppers, low RF interference and free wheeling diodes. A complete line of fast recovery rectifiers having typical recovery time of 150 nanoseconds providing high efficiency at frequencies to 250 kHz. 


Low forward voltage drop. 

High surge current capability.

High reliability. 

High current capability

Fast switching for high efficiency 

Low forward voltage drop 

Low leakage current

High forward surge capability

Solder dip 275 °C max. 10 s, per JESD 22-B106

Shipped in Plastic Bags; 1,000 per Bag 

Available Tape and Reeled; 5,000 per Reel, by Adding a “RL” Suffix to the Part Number 

These are Pb−Free Device

Mechanical Characteristics:-

• Case: Epoxy, Molded 

• Weight: 0.4 Gram (Approximately) 

• Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable 

• Lead Temperature for Soldering Purposes: 260°C Max. for 10 Seconds 

• Polarity: Cathode Indicated by Polarity Band 


Symbol Parameter Value Units
VRRM Peak Repetitive Reverse Voltage 600 V
VRWM Working Peak Reverse Voltage 600 V
VR DC Blocking Voltage 600 V
VR(RMS) RMS Reverse Voltage 420 V
VRSM Non−Repetitive Peak Reverse Voltage 650 V
IO Average Rectified Output Current 1 A
IFSM Non-Repetitive Peak Forward Surge Current 30 A
TJ Operating Junction Temperature Range − 65 to +150 °C
 Tstg Storage Temperature Range − 65 to +150 °C

Related Document:-

 IN4937 Diode Data Sheet

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1N4937 Diode - 600V 1A Fast Recovery Diode - 2 pieces pack

  • Product Code: EC-0609
  • Availability: 10274
  • Rs.13.50
  • Rs.8.50