LM4158D NPN High Voltage Switching Transistor 410V 1.5A 23W TO-126
The LM4158D NPN High Voltage Switching Transistor is a silicon NPN transistor designed for high-voltage switching applications. It provides a maximum collector-emitter voltage of 410V and a maximum collector-base voltage of 600V, making it suitable for circuits requiring high voltage capability. The maximum collector current is specified as 1.5A.
Features:
- NPN high-voltage switching transistor.
- 410V maximum collector-emitter voltage.
- 600V maximum collector-base voltage.
- 9V maximum emitter-base voltage.
- 1.5A maximum collector current.
- 23W maximum collector power dissipation.
- High-voltage switching capability.
Specifications:
| Parameter | Value |
|---|---|
| Part Number | LM4158D |
| Transistor Type | NPN High Voltage Switching Transistor |
| Material | Silicon |
| Package | TO-126 |
| Mounting Type | Through-Hole |
| Collector-Base Voltage (VCBO) | 600V |
| Collector-Emitter Voltage (VCEO) | 410V |
| Emitter-Base Voltage (VEBO) | 9V |
| Collector Current (IC) | 1.5A |
| Total Collector Power Dissipation (PC) | 23W |
| Minimum DC Current Gain (hFE) | 6 |
| Maximum Junction Temperature (Tj) | 150°C |
| Package Type | TO-126 |
Pin Configuration:

Applications:
- High-voltage switching circuits.
- Power switching circuits.
- Switching power supplies.
- Electronic ballast circuits.
- Fluorescent lamp circuits.
- Electronic power-control circuits.
- High-speed switching applications.
- General-purpose NPN switching circuits.
Package Include:
1x LM4158D NPN High Voltage Switching Transistor 410V 1.5A 23W TO-126.







