BC337-040G

Single Bipolar Transistors Overview

The onsemi BC337-040G is an NPN silicon epitaxial planar transistor designed for general-purpose switching and amplifier applications. It features a maximum collector current of 800 mA, a collector-emitter voltage rating of 45 V, and a collector-base voltage of 50 V. The device operates within a junction temperature range of -55°C to +150°C and dissipates up to 625 mW of power. It utilizes a TO-92 three-pin through-hole package with a minimum DC current gain (hFE) of 100.

Single Bipolar Transistors Feature Summary

• Epitaxial planar silicon construction for reliable performance
• Low collector-emitter saturation voltage for efficient switching
• High DC current gain suitable for driver applications

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Audio frequency amplifier stages
• Driver transistors in logic interfaces

Single Bipolar Transistors Procurement Notes

Verify the specific suffix '040' against official datasheets to confirm the hFE binning group. Ensure the ordering code matches the exact lead-free and halogen-free specifications required by the design. Confirm package dimensions and pinout compatibility during integration.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN transistor with moderate current handling and high gain is required. Compare the hFE requirements against the specific binning indicated by the suffix. Consider thermal management capabilities relative to the 625 mW dissipation limit in the target enclosure.

Single Bipolar Transistors Part Context

This part belongs to the BC337 series of NPN bipolar junction transistors. It serves as a complement to the PNP BC327 series. The device is widely used in consumer electronics and industrial control systems where small-signal amplification and switching are necessary.

Single Bipolar Transistors Replacement Considerations

Compatible substitutes include BC337-40, BC337-16, and BC337-25 from various manufacturers. Verify that alternative parts meet the same electrical ratings and package constraints.