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BD437

Leaded Power Transistor General Purpose

Partnumber Manufacturer Quantity Availability
BD437 350 In Stock

Description and Introduction

Leaded Power Transistor General Purpose The BD437 is a silicon NPN power transistor manufactured by STMicroelectronics. Here are its key specifications:

- **Collector-Emitter Voltage (VCEO):** 45V
- **Collector-Base Voltage (VCBO):** 45V
- **Emitter-Base Voltage (VEBO):** 5V
- **Collector Current (IC):** 4A
- **Total Power Dissipation (Ptot):** 36W (at Tc = 25°C)
- **DC Current Gain (hFE):** 20 to 250 (at IC = 500mA, VCE = 2V)
- **Transition Frequency (fT):** 3MHz (min)
- **Operating Temperature Range:** -65°C to +150°C
- **Package:** TO-126  

It is designed for general-purpose amplification and switching applications.

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