📌 What GT30F123 Is
GT30F123 is a power IGBT transistor used mainly in automotive ignition systems to drive ignition coils.
Type: IGBT (Insulated Gate Bipolar Transistor)
Package: TO-220 / TO-220F
Manufacturer: Often produced by Toshiba or compatible manufacturers
Function: High-voltage switching for ignition coil control
It is commonly found in car ECU ignition driver circuits.
⚙️ Typical Electrical Characteristics
ParameterTypical Value
| Collector-Emitter Voltage | ~400 V |
| Collector Current | ~30 A |
| Gate Voltage | ±20 V |
| Switching Type | Fast ignition switching |
These specifications make it suitable for ignition coil switching, where very high voltage spikes occur.
🚗 Typical Applications
GT30F123 is used in:
Automotive ignition modules
ECU ignition coil drivers
Engine control units
High-power switching circuits
It often works together with ignition driver ICs like: