BD245 Datasheet & Equivalents
NPN
TO-3P
High Power
SPTECH
VCEO
45V
Ic Max
10A
Pd Max
80W
hFE Gain
40
Quick Reference
The BD245 is a NPN bipolar junction transistor in a TO-3P package, manufactured by SPTECH. It supports a breakdown voltage of 45V and continuous collector current of 10A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | SPTECH | Original Manufacturer |
| Package | TO-3P | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 45V | Max breakdown voltage |
| Collector Current (Ic) | 10A | Max current handling |
| Power Dissipation (Pd) | 80W | Max thermal limit |
| DC Current Gain (hFE) | 40 | Base signal amplification ratio |
| Transition Frequency (fT) | 3MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 4V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 400uA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SD717 | NPN | TO-3P | 50V | 10A | 240 | 80W | SPTECH 📄 PDF |
| 2SC3300 | NPN | TO-3P | 50V | 15A | 360 | 60W | SPTECH 📄 PDF |
| TIP3055 | NPN | TO-3P | 60V | 15A | 70 | 90W | SPTECH 📄 PDF |
| 2SD1049 | NPN | TO-3P | 80V | 25A | 20 | 80W | SPTECH 📄 PDF |
| TIP33C | NPN | TO-3P | 100V | 10A | 100 | 80W | SPTECH 📄 PDF |
| TIP35CP | NPN | TO-3P | 100V | 25A | 10 | 125W | ST 📄 PDF |
| TIP35C | NPN | TO-3P | 100V | 25A | 75 | 125W | SPTECH 📄 PDF |