Transistor BC237 NPN, 45V, 0.1A, TO-92

Transistor BC237 NPN, 0.1A TO-92

Transistors

Reference: TRBC237

Part.No: BC237

€0.50

In Stock

Immediate Dispatch

The BC237 is a general-purpose NPN Bipolar Junction Transistor (BJT) in a TO-92 package. Suited for small-signal amplification and low-power switching in hobby, educational and general-purpose electronics.

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Description
Product Details

BC237 NPN Transistor - Reliable Small-Signal Switching & Amplification

The BC237 is a general-purpose NPN transistor in a TO-92 package, widely used for small-signal amplification and low-current switching in prototyping and educational circuits. It shares the same voltage/current class as the popular BC547/BC548 family, making it an easy drop-in for many small-signal designs.

Functions & Applications

General-Purpose NPN: Suitable for both linear amplification and switching duties in small-signal circuits.
Standard TO-92 Package: Through-hole design, easy to breadboard and hand-solder.
Low-Voltage Compatible: Works well with 3.3V/5V logic outputs from Arduino, ESP32 and similar boards.
Widely Available Equivalent: Electrically comparable to the BC547/BC548 family for most hobby designs.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	NPN
Package / Case	TO-92
Collector-Emitter Voltage (Vceo)	45V
Max Collector Current (Ic)	100mA
Power Dissipation (Pd)	300mW
Mounting Type	Through-Hole (THT)

Frequently Asked Questions

Q: What is the complementary PNP part for the BC237?
A: The complementary PNP transistor is the BC307, matching the BC237 in voltage and current ratings.

Q: Can the BC237 be used as a substitute for the BC547?
A: In most small-signal hobby circuits, yes - both are 45V, 100mA NPN transistors in TO-92, though it's worth checking pinout orientation before direct board replacement.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: NPN
Transistor Case Style: TO-92

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