BC214L

Single Bipolar Transistors Overview

The BC214L is a PNP general-purpose amplifier transistor manufactured by onsemi, sourced from Fairchild Semiconductor process 68. It features a collector-emitter voltage of -30 V and a continuous collector current of -500 mA. The device offers a DC current gain (hFE) ranging from 100 to 400 depending on the test condition. Key electrical parameters include a transition frequency (fT) of 200 MHz at -10 mA and a noise figure of 2.0 dB. Thermal characteristics specify a total device dissipation of 625 mW with a junction-to-ambient thermal resistance of 200 °C/W. The component operates within a temperature range of -55°C to 150°C.

Single Bipolar Transistors Feature Summary

• Designed for general-purpose amplification and switching applications requiring moderate collector currents.
• Provides high DC current gain suitable for signal amplification tasks.
• Features low noise characteristics optimized for audio frequency applications.

Single Bipolar Transistors Applications

• General purpose amplifiers
• Switching circuits
• Audio frequency small signal amplification

Single Bipolar Transistors Procurement Notes

Verify the manufacturer origin as this component was originally produced by Fairchild Semiconductor before acquisition by onsemi. Confirm the specific datasheet revision and process source (Process 68) to ensure compatibility with existing designs. Check for obsolescence status as older Fairchild parts may have limited availability or be discontinued. Ensure the TO-92 package dimensions match the mechanical constraints of the target PCB layout.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with moderate power handling and high current gain is required for general-purpose tasks. Consider the -30 V collector-emitter voltage limit for circuit design. Evaluate the thermal resistance requirements if operating near maximum dissipation limits. Compare against complementary NPN types if a push-pull configuration is needed. Verify that the noise figure meets the sensitivity requirements of the specific application.

Single Bipolar Transistors Part Context

The BC214L belongs to the BC21x series of PNP silicon transistors designed for small-signal amplification. It is part of the broader family of general-purpose bipolar junction transistors used in consumer electronics and industrial control systems. The device utilizes a standard TO-92 plastic encapsulation, making it suitable for through-hole mounting on printed circuit boards. Its specifications align with common requirements for audio pre-amplifiers and logic interface circuits.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include other PNP transistors with similar voltage and current ratings such as the BC212 or BC213, provided the hFE binning and pinout compatibility are verified. Cross-reference with equivalent parts from other manufacturers like Motorola or ON Semiconductor to ensure functional parity. Always validate thermal performance and saturation voltages when replacing components in critical analog paths.