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Hello, Please ask a question about SPD3899 Datasheet
# Example questions:
➢ Which pin configuration should be used if the desired polarity is anode to stud?
➢ How does the reverse leakage current change when the temperature increases from 25°c to 100°c?
➢ What is the maximum average rectified forward current this rectifier can handle at 25°c?
| Part No. | SPD3899 |
| Manufacturer | SSDI |
| Size | 75 Kbytes |
| Pages | 2 pages |
| Description | 20 Amp 50-400 Volt 120 nsec FAST RECOVERY RECTIFIER |
# SPD3899 - SPD3903 Fast Recovery Rectifier
## Key Features
️· Fast Recovery: 120 nsec maximum
️· Low Reverse Leakage Current
️· Single Chip Construction
️· PIV up to 400V
️· Hermetically Sealed
️· High Surge Rating
️· Low Thermal Resistance
️· Available Screening: TX, TXV, S-Level
️· Replacement for 1N3899, 1N3900, 1N3901, 1N3902, 1N3903
## Maximum Ratings
️· Peak Repetitive Reverse Voltage (VRRM): 50V - 400V (depending on model)
️· Average Rectified Forward Current (Io): 20 Amps
️· Peak Surge Current (IFSM): 250 Amps
️· Operating & Storage Temperature (TOP & TSTG): -65 to +150 °C
️· Thermal Resistance (RθJC): 1.8 °C/W
## Electrical Characteristics
️· Instantaneous Forward Voltage Drop (VF @ 20A, 25°C): 1.40 VDC
️· Instantaneous Forward Voltage Drop (VF @ 20A, -55°C): 1.55 VDC
️· Reverse Leakage Current (IR @ Rated VR, 25°C): 25 μA
️· Reverse Leakage Current (IR @ Rated VR, 100°C): 2.5 mA
️· Reverse Recovery Time (tRR): 120 nsec
️· Junction Capacitance (CJ): 300 pF
## Pin Assignment (DO-5 Package)
️· __ (Normal): Anode
️· R (Reverse): Cathode
# SPD3899 - SPD3903 Fast Recovery Rectifier
## Key Features
️· Fast Recovery: 120 nsec maximum
️· Low Reverse Leakage Current
️· Single Chip Construction
️· PIV up to 400V
️· Hermetically Sealed
️· High Surge Rating
️· Low Thermal Resistance
️· Available Screening: TX, TXV, S-Level
️· Replacement for 1N3899, 1N3900, 1N3901, 1N3902, 1N3903
## Maximum Ratings
️· Peak Repetitive Reverse Voltage (VRRM): 50V - 400V (depending on model)
️· Average Rectified Forward Current (Io): 20 Amps
️· Peak Surge Current (IFSM): 250 Amps
️· Operating & Storage Temperature (TOP & TSTG): -65 to +150 °C
️· Thermal Resistance (RθJC): 1.8 °C/W
## Electrical Characteristics
️· Instantaneous Forward Voltage Drop (VF @ 20A, 25°C): 1.40 VDC
️· Instantaneous Forward Voltage Drop (VF @ 20A, -55°C): 1.55 VDC
️· Reverse Leakage Current (IR @ Rated VR, 25°C): 25 μA
️· Reverse Leakage Current (IR @ Rated VR, 100°C): 2.5 mA
️· Reverse Recovery Time (tRR): 120 nsec
️· Junction Capacitance (CJ): 300 pF
## Pin Assignment (DO-5 Package)
️· __ (Normal): Anode
️· R (Reverse): Cathode
| Part No. | SPD3899 |
| Manufacturer | SSDI |
| Size | 75 Kbytes |
| Pages | 2 pages |
| Description | 20 Amp 50-400 Volt 120 nsec FAST RECOVERY RECTIFIER |
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