BC337-40ZL1G

Single Bipolar Transistors Overview

The BC337-40ZL1G is an NPN silicon epitaxial planar transistor manufactured by onsemi, designed for general-purpose switching and audio frequency amplifier applications. It features a collector current rating of 800 mA and a collector-emitter voltage of 45 V. The device utilizes a TO-92 (TO-226AA) surface-mount compatible package with lead-free construction and halogen-free green compound compliance. It belongs to the -40 gain group, ensuring high DC current gain characteristics suitable for driver stages.

Single Bipolar Transistors Feature Summary

• Optimized for low saturation voltage and fast switching performance in driver applications
• High DC current gain classification ensures reliable amplification in audio frequency circuits
• Lead-free construction compliant with RoHS standards and halogen-free material composition

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Audio frequency amplifier stages
• Driver transistors for load control

Single Bipolar Transistors Procurement Notes

Verify the specific suffix ZL1G against official onsemi documentation to confirm the exact tape-and-reel packaging configuration and date code prefix. Confirm that the -40 gain binning aligns with circuit requirements for minimum hFE. Ensure the component meets environmental compliance standards required for the target assembly process.

Single Bipolar Transistors Selection Notes

Select this variant when a standard NPN small-signal transistor with defined high-gain characteristics is required. The -40 designation indicates a specific DC current gain range compared to other variants like -16 or -25. Consider the TO-92 package constraints for thermal dissipation and board space relative to higher-power alternatives.

Single Bipolar Transistors Part Context

This component is part of the widely used BC337 family of NPN transistors. Variants within this family are distinguished primarily by their DC current gain grouping (-16, -25, -40). The BC337-40ZL1G represents the highest gain tier among common subtypes, offering enhanced performance for sensitive amplification tasks while maintaining standard electrical ratings.

Single Bipolar Transistors Replacement Considerations

Compatible substitutes include BC337-40 from other manufacturers such as Diodes Incorporated or STMicroelectronics, provided they match the TO-92 package and -40 gain bin specifications. Verify pinout compatibility and absolute maximum ratings before substitution.