3DD303C Transistor Datasheet & Specifications
NPN
TO-3
High Power
SPTECH
VCEO
100V
Ic Max
3A
Pd Max
30W
hFE Gain
120
Quick Reference
The 3DD303C is a NPN bipolar transistor in a TO-3 package by SPTECH. This datasheet provides complete specifications including 100V breakdown voltage and 3A continuous collector current. Download the 3DD303C datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | SPTECH | Original Manufacturer |
| Package | TO-3 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 100V | Breakdown voltage |
| Ic | 3A | Collector current |
| Pd | 30W | Power dissipation |
| DC Current Gain | 120 | hFE / Beta |
| Frequency | - | Transition speed (fT) |
| VCEsat | 1.5V | Saturation voltage |
| Vebo | 6V | Emitter-Base voltage |
| Cutoff Current | 500uA | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MJ15015G | NPN | TO-3 | 120V | 15A | 180W |
| MJ15024 | NPN | TO-3 | 250V | 16A | 250W |
| BDY58 | NPN | TO-3 | 125V | 25A | 175W |
| 2N5631 | NPN | TO-3 | 140V | 16A | 200W |
| BD317 | NPN | TO-3 | 100V | 16A | 200W |
| MJ15026 | NPN | TO-3 | 200V | 16A | 250W |
| 2SC1116 | NPN | TO-3 | 120V | 10A | 100W |
| 2SD424 | NPN | TO-3 | 180V | 15A | 150W |
| 2SC3058 | NPN | TO-3 | 400V | 30A | 200W |
| 2N6338 | NPN | TO-3 | 100V | 25A | 200W |