BC237A-AP

Single Bipolar Transistors Overview

The BC237A-AP is an NPN silicon small-signal transistor manufactured by MCC. It features a collector-emitter voltage rating of 45 V and a continuous collector current capacity of 100 mA. The device utilizes a TO-92 through-hole package with a standard body style. Key electrical characteristics include a DC current gain (hFE) of 120 at 2 mA and 5 V, a collector-base cutoff current of 15 nA, and a transition frequency of 200 MHz. The maximum power dissipation is rated at 350 mW, with an operating temperature range spanning from -55°C to 150°C.

Single Bipolar Transistors Feature Summary

• NPN silicon construction for general-purpose signal amplification
• High DC current gain specification for efficient base drive requirements
• Robust thermal performance supporting extended operating temperatures

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Small-signal amplification stages
• Driver applications in consumer electronics

Single Bipolar Transistors Procurement Notes

Verify the specific suffix AP against official MCC documentation to confirm packaging type and availability status. Ensure the component matches the required NPN configuration and TO-92 pinout for your design. Cross-reference datasheet parameters such as hFE and V(BR)CEO with your circuit requirements before finalizing procurement decisions.

Single Bipolar Transistors Selection Notes

Select this component when a low-power NPN transistor with moderate voltage handling is required. The TO-92 package suits prototyping and low-volume production. Compare the 100 mA current limit and 45 V breakdown voltage against circuit loads to ensure adequate headroom. Consider the 350 mW power dissipation limit for thermal management in enclosed designs.

Single Bipolar Transistors Part Context

This part belongs to the BC237 series of small-signal bipolar transistors. The BC237 family typically includes variants like BC237B and BC237C, which differ primarily in their DC current gain ranges. The BC237A variant specifies a lower minimum gain compared to other series members, making it suitable for applications where precise gain control or lower sensitivity is beneficial.

Single Bipolar Transistors Replacement Considerations

Compatible substitutes include the BC237ARL1 from ON Semiconductor or Motorola/NXP. These alternatives share identical NPN topology, TO-92 packaging, and similar electrical ratings. Verify pin compatibility and parameter tolerances before substitution.