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BD139 from ON,ON Semiconductor

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BD139

Manufacturer: ON

Leaded Power Transistor General Purpose

Partnumber Manufacturer Quantity Availability
BD139 ON 696 In Stock

Description and Introduction

Leaded Power Transistor General Purpose The BD139 is an NPN transistor manufactured by ON Semiconductor. Here are its key specifications:

- **Type**: NPN Bipolar Junction Transistor (BJT)  
- **Package**: TO-126  
- **Collector-Emitter Voltage (VCEO)**: 80V  
- **Collector-Base Voltage (VCBO)**: 80V  
- **Emitter-Base Voltage (VEBO)**: 5V  
- **Continuous Collector Current (IC)**: 1.5A  
- **Total Power Dissipation (Ptot)**: 12.5W (with heatsink)  
- **DC Current Gain (hFE)**: 25 to 250 (depending on operating conditions)  
- **Transition Frequency (fT)**: 190MHz  
- **Operating Temperature Range**: -65°C to +150°C  

The BD139 is commonly used in general-purpose amplification and switching applications.

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