31DF4 / Taiwan Semiconductor Company, Ltd

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Part No.	31DF4
Manufacturer	TSC
Size	62 Kbytes
Pages	2 pages
Description	3.0 AMPS. Ultra Fast Recovery Rectifiers

Datasheet Summary with AI

️· Case: Molded plastic
️· Epoxy: UL 94V-O rate flame retardant
️· Leads: Axial, solderable per MIL-STD-202
️· Polarity: Color band denotes cathode
️· Soldering: 260°C/10 seconds, .375” lead length
️· Weight: 1.2 grams

## Thermal Characteristics
️· Thermal Resistance (RθJA): 80 °C/W
️· Operating Temperature (TJ): -40 to +150 °C
️· Storage Temperature (TSTG): -40 to +150 °C

# Ultra Fast Recovery Rectifiers (31DF4 THRU 31DF6)

## Electrical Characteristics
️· Voltage Range: 400 to 600 Volts
️· Current: 3.0 Amperes
️· Maximum Recurrent Peak Reverse Voltage (VRRM): 400V (31DF4), 600V (31DF6)
️· Maximum Average Forward Rectified Current: 1.2A / 3.0A
️· Peak Forward Surge Current (IFSM): 45A
️· Maximum Instantaneous Forward Voltage (VF): 1.7V @ 3.0A
️· Maximum DC Reverse Current (IR): 20uA
️· Maximum Reverse Recovery Time (Trr): 35nS

## Features
️· Low forward voltage drop
️· Low power loss, high efficiency
️· High current capability
️· High reliability
️· High surge current capability

## Mechanical Data
️· Case: Molded plastic
️· Epoxy: UL 94V-O rate flame retardant
️· Leads: Axial, solderable per MIL-STD-202
️· Polarity: Color band denotes cathode
️· Soldering: 260°C/10 seconds, .375” lead length
️· Weight: 1.2 grams

## Thermal Characteristics
️· Thermal Resistance (RθJA): 80 °C/W
️· Operating Temperature (TJ): -40 to +150 °C
️· Storage Temperature (TSTG): -40 to +150 °C