BU408 Datasheet & Equivalents
NPN
TO-220
High Power
SPTECH
VCEO
200V
Ic Max
7A
Pd Max
60W
hFE Gain
35
Quick Reference
The BU408 is a NPN bipolar junction transistor in a TO-220 package, manufactured by SPTECH. It supports a breakdown voltage of 200V and continuous collector current of 7A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | SPTECH | Original Manufacturer |
| Package | TO-220 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 200V | Max breakdown voltage |
| Collector Current (Ic) | 7A | Max current handling |
| Power Dissipation (Pd) | 60W | Max thermal limit |
| DC Current Gain (hFE) | 35 | Base signal amplification ratio |
| Transition Frequency (fT) | 10MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 1V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 6V | Max emitter-base breakdown |
| Collector Cutoff Current | - | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SD884 | NPN | TO-220 | 200V | 7A | 45 | 40W | SPTECH 📄 PDF |
| BU406 | NPN | TO-220 | 200V | 7A | 50 | 2W | JSCJ 📄 PDF |
| BU406 | NPN | TO-220 | 200V | 7A | 85 | 60W | OSEN 📄 PDF |
| BU406-JSM | NPN | TO-220 | 200V | 7A | 100 | 60W | JSMSEMI 📄 PDF |
| BU406 | NPN | TO-220 | 200V | 7A | 120 | 60W | SPTECH 📄 PDF |
| MJE15032G | NPN | TO-220 | 250V | 8A | 70 | 50W | Minos 📄 PDF |
| MJE15032G | NPN | TO-220 | 250V | 8A | 70 | 50W | onsemi 📄 PDF |
| BU941ZT | NPN | TO-220 | 350V | 15A | 300 | 150W | ST 📄 PDF |
| 2SC3039 | NPN | TO-220 | 400V | 7A | 50 | 50W | SPTECH 📄 PDF |
| 2SC2335 | NPN | TO-220 | 400V | 7A | 80 | 40W | SPTECH 📄 PDF |
| 3DD13007 | NPN | TO-220 | 400V | 8A | 40 | 2W | luJing |
| MJE13007 | NPN | TO-220 | 400V | 8A | 40 | 80W | SPTECH 📄 PDF |
| YFW13007AT | NPN | TO-220 | 400V | 8A | 40 | 2W | YFW 📄 PDF |
| FJP13007H1TU-F080-HXY | NPN | TO-220 | 400V | 8A | 10 | 80W | HXY MOSFET 📄 PDF |
| KSE13007H2SMTU-HXY | NPN | TO-220 | 400V | 8A | 10 | 80W | HXY MOSFET 📄 PDF |
| MJE13006-HXY | NPN | TO-220 | 400V | 8A | 10 | 80W | HXY MOSFET 📄 PDF |
| NTE2312-HXY | NPN | TO-220 | 400V | 8A | 10 | 80W | HXY MOSFET 📄 PDF |
| MJE13007G | NPN | TO-220 | 400V | 8A | 5 | 80W | onsemi 📄 PDF |
| MJE13009-2 | NPN | TO-220 | 400V | 12A | 30 | 100W | KTP 📄 PDF |
| YFW13009AT | NPN | TO-220 | 400V | 12A | 40 | 3W | YFW 📄 PDF |