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BD138 from ON,ON Semiconductor

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BD138

Manufacturer: ON

Leaded Power Transistor General Purpose

Partnumber Manufacturer Quantity Availability
BD138 ON 500 In Stock

Description and Introduction

Leaded Power Transistor General Purpose The BD138 is a PNP transistor manufactured by ON Semiconductor (formerly part of Philips). Here are its key specifications:

- **Type**: PNP Bipolar Junction Transistor (BJT)  
- **Package**: TO-126  
- **Collector-Emitter Voltage (VCEO)**: -60V  
- **Collector-Base Voltage (VCBO)**: -60V  
- **Emitter-Base Voltage (VEBO)**: -5V  
- **Continuous Collector Current (IC)**: -1.5A  
- **Total Power Dissipation (Ptot)**: 12.5W (with heatsink)  
- **DC Current Gain (hFE)**: 40 to 160 (at IC = -150mA, VCE = -5V)  
- **Transition Frequency (fT)**: 50MHz (typical)  
- **Operating Temperature Range**: -55°C to +150°C  

The BD138 is commonly used in audio amplification, power regulation, and switching applications. It is often paired with its NPN counterpart, the BD137.  

For exact details, refer to the official ON Semiconductor datasheet.

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