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BC327-40 PNP TRANSISTOR TO92 45V 0A8 (pack of 10)

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BC327-40 PNP Bipolar Transistor – 800mA, 45V, TO-92

The BC327-40 is a general-purpose PNP bipolar junction transistor (BJT) designed for medium current and low to medium voltage applications. With its reliable TO-92 package, it is ideal for both switching and amplification tasks in hobby electronics, educational kits, and professional circuit designs.

Whether you are designing audio amplifiers, LED drivers, relay switches, or general-purpose low-power circuits, the BC327-40 delivers stable performance and dependable results.

Transistor Type: PNP Bipolar Junction Transistor (BJT)

Maximum Collector Current (IC): 800mA continuous

Maximum Collector-Emitter Voltage (Vceo): 45V

Maximum Collector-Base Voltage (Vcbo): 50V

Maximum Emitter-Base Voltage (Vebo): 5V

DC Current Gain (hFE): 100 – 630 (at 100mA, 1V)

Low Saturation Voltage: Ensures efficient switching performance

Small Signal Amplification: Ideal for low-noise applications

Compact Package: TO-92, easy for PCB and breadboard use

Package Type: TO-92 (through-hole)

Pin Configuration:

  1. Collector (C)
  2. Base (B)
  3. Emitter (E)

Compact size, breadboard- and PCB-friendly


The BC327-40 is highly versatile and can be used in:

  • Audio Amplification – small signal amplifiers and pre-drivers
  • Switching Circuits – for controlling LEDs, relays, and other loads up to 800mA
  • Signal Processing – analog signal amplification and processing circuits
  • Driver Stages – useful in controlling power transistors or other devices
  • Educational & Hobby Projects – perfect for DIY electronics and robotics kits

ParameterValue
Transistor TypePNP
PackageTO-92
Collector-Emitter Voltage (Vceo)45V
Collector-Base Voltage (Vcbo)50V
Emitter-Base Voltage (Vebo)5V
Collector Current (IC max)800mA
Power Dissipation (Ptot)625mW
DC Current Gain (hFE)100 – 630
Transition Frequency (ft)100MHz (typical)
Operating Junction Temperature-65°C to +150°C

Why Choose the BC327-40?

  • Proven, widely available, and reliable general-purpose PNP transistor
  • Suitable for both switching and amplification tasks
  • Offers a wide current gain range for design flexibility
  • Cost-effective component for educational kits, prototyping, and production


📦 Ideal for hobbyists, students, and professionals