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Hello, Please ask a question about 31DF4 Datasheet
# Example questions:
➢ What are the available packing options for the do-201ad package, and what does the 'g' suffix indicate in the packing code?
➢ What is the maximum allowable operating junction temperature for the 31df4 and 31df6 rectifiers?
➢ How does the forward current derating curve change when using a capacitive load compared to a resistive or inductive load?
# 31DF4-31DF6 Super Fast Rectifiers
## Features
️· High efficiency, low VF
️· High current capability
️· High reliability
️· High surge current capability
️· Low power loss
️· Green compound available (suffix “G”)
## Mechanical Data
️· Case: Molded plastic
️· Epoxy: UL 94V-0 flame retardant
️· Lead: Pure tin plated, lead-free, solderable
️· Polarity: Color band denotes cathode end
️· High-temperature soldering guaranteed
️· Weight: 1.2 grams
## Electrical Characteristics
| Parameter | 31DF4 | 31DF6 | Units |
|---|---|---|---|
| VRRM (Max Recurrent Peak Rev Voltage) | 400 | 600 | V |
| VRMS (Max RMS Voltage) | 280 | 420 | V |
| VDC (Max DC Blocking Voltage) | 400 | 600 | V |
| IF(AV) (Avg Forward Rectified Current) | 3 | 3 | A |
| IFSM (Peak Forward Surge Current) | 45 | 45 | A |
| VF (@3A) (Instantaneous Forward Voltage) | 1.7 | 1.7 | V |
| IR (@TA=25℃) (DC Reverse Current) | 20 | 20 | uA |
| IR (@TA=125℃) (DC Reverse Current) | 100 | 100 | uA |
| Trr (Rev Recovery Time) | 35 | 35 | nS |
| RθJA (Thermal Resistance) | 80 | 80 | °C/W |
| Operating Temperature Range | -40 to +150 | -40 to +150 | °C |
# 31DF4-31DF6 Super Fast Rectifiers
## Features
️· High efficiency, low VF
️· High current capability
️· High reliability
️· High surge current capability
️· Low power loss
️· Green compound available (suffix “G”)
## Mechanical Data
️· Case: Molded plastic
️· Epoxy: UL 94V-0 flame retardant
️· Lead: Pure tin plated, lead-free, solderable
️· Polarity: Color band denotes cathode end
️· High-temperature soldering guaranteed
️· Weight: 1.2 grams
## Electrical Characteristics
| Parameter | 31DF4 | 31DF6 | Units |
|---|---|---|---|
| VRRM (Max Recurrent Peak Rev Voltage) | 400 | 600 | V |
| VRMS (Max RMS Voltage) | 280 | 420 | V |
| VDC (Max DC Blocking Voltage) | 400 | 600 | V |
| IF(AV) (Avg Forward Rectified Current) | 3 | 3 | A |
| IFSM (Peak Forward Surge Current) | 45 | 45 | A |
| VF (@3A) (Instantaneous Forward Voltage) | 1.7 | 1.7 | V |
| IR (@TA=25℃) (DC Reverse Current) | 20 | 20 | uA |
| IR (@TA=125℃) (DC Reverse Current) | 100 | 100 | uA |
| Trr (Rev Recovery Time) | 35 | 35 | nS |
| RθJA (Thermal Resistance) | 80 | 80 | °C/W |
| Operating Temperature Range | -40 to +150 | -40 to +150 | °C |
| Part No. | 31DF4 |
| Manufacturer | TSC |
| Size | 424 Kbytes |
| Pages | 4 pages |
| Description | 3.0AMPS. Super Fast Rectifiers High efficiency, low VF |
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