The BC160 is a robust PNP medium-power transistor designed for driver stages, audio circuits, and general-purpose switching applications. In this article, we explain its construction, operating principle, key features, full specifications, and the BC160 pinout, helping you understand how to use it effectively in various analog and power-control designs. We also cover applications, equivalents, and common FAQs for easy reference.

Introduction
The BC160 transistor belongs to a family of medium-power PNP devices suitable for audio, regulator, and signal-processing circuits. With its ability to handle high current and operate under elevated temperatures, the BC160 is ideal for designs requiring reliability and stable gain characteristics. Its linear response makes it a preferred choice for pre-driver and low-power amplifier stages.

Pin Configuration / Pinout of BC160 Transistor

Understanding the BC160 Pinout Configuration
The BC160 comes in a TO-39 metal can package, offering excellent thermal dissipation and mechanical durability. With the package viewed from the bottom and pins arranged clockwise, the pinout is as follows:
| Pin# | Pin Name |
|---|---|
| 1 | Emitter |
| 2 | Base |
| 3 | Collector |
This orientation supports easy board placement and ensures consistent performance in medium-power environments.
Note: DATASHEET DOWNLOAD button is provided end of this article.
BC160 Key Features
- Medium-power PNP bipolar construction
- High gain stability over temperature
- Good thermal endurance and durable build
- Suitable for audio and driver applications
- Reliable switching performance
- Wide operating temperature range
BC160 Specifications/Characteristics
- Collector-Emitter Voltage (Vceo): −40V
- Collector-Base Voltage (Vcbo): −40V
- Emitter-Base Voltage (Vebo): −5V
- Collector Current (Ic): −1A
- Peak Collector Current (Icm): −1.5A
- Total Power Dissipation (Ptot): 3.7W
- Junction Temperature (Tj): 175°C
- Storage Temperature (Tstg): −65°C to 150°C
- DC Current Gain (hFE): 100–250
- Transition Frequency (fT): 50MHz
Key Applications of BC160 Transistor
- Audio amplifier driver and pre-driver stages
- Medium-power switching circuits
- Voltage and current regulation modules
- Signal processing and low-frequency control systems
- Relay and solenoid drivers (PNP configuration)
- General-purpose analog and educational electronics
BC160 Equivalent / Alternatives
(Verify pin compatibility before using substitutions)
Equivalent Transistors: BC161, BC162
Alternatives: BD236, BD240, 2N4033 (check pinout differences)
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Working Principle of BC160
The BC160 operates as a PNP transistor, where current flows from emitter to collector when a small negative base-emitter voltage is applied. It supports medium-power operations with stable current gain, making it suitable for analog amplification as well as controlled switching. Its high transition frequency ensures good performance in audio and mid-frequency signal circuits.
Frequently Asked Questions (FAQ)
Q1: Can BC160 be used in audio circuits?
Yes, it is commonly used in driver and pre-driver stages of audio amplifiers.
Q2: What package does BC160 use?
It is available in the TO-39 metal can package.
Q3: Is BC160 interchangeable with BC161?
Yes, they are close equivalents with minor characteristic differences.
Q4: Can BC160 handle 1A continuous current?
Yes, it supports −1A continuous and up to −1.5A peak collector current.
Conclusion
The BC160 is a reliable PNP medium-power transistor with strong thermal capability, stable gain, and high-quality performance in audio, switching, and driver circuits. Its wide temperature range and durable TO-39 package make it a dependable choice for hobbyists and professionals working on analog and low-power electronic projects.
Datasheet of BC160 Transistor
Click the following Button below to download the datasheet of BC160 :
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