| Model Number |
| 2SC3997 |
BU921 |
| Model Name |
| SPTECH 2SC3997 |
SPTECH BU921 |
| Category |
| Bipolar Transistors - BJT |
Bipolar Transistors - BJT |
| Brand |
| SPTECH |
SPTECH |
| Description |
| 800V 250W 4@16A,5V 20A NPN TO-3PL Bipolar Transistors - BJT ROHS |
TO-3 Bipolar Transistors - BJT ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 11.960 grams / 0.421877 oz |
11.200 grams / 0.395069 oz |
| Package / Case |
| TO-3PL |
TO-3 |
| Package / Arrange |
| Tube-packed |
Tray |
| Battery |
| No |
No |
| ECCN |
| - |
- |
| Collector Cut-Off Current (Icbo) |
| 10uA |
N/A |
| Collector-Emitter Breakdown Voltage (Vceo) |
| 800V |
N/A |
| Power Dissipation (Pd) |
| 250W |
N/A |
| DC Current Gain (hFE@Ic,Vce) |
| 4@16A,5V |
N/A |
| Collector Current (Ic) |
| 20A |
N/A |
| Transition Frequency (fT) |
| - |
N/A |
| Collector-Emitter Saturation Voltage (VCE(sat)@Ic,Ib) |
| 5V@16A,4A |
N/A |
| Transistor Type |
| NPN |
N/A |
| Operating Temperature |
| - |
N/A |
