BC337-40RL1

Single Bipolar Transistors Overview

The BC337-40RL1 is an NPN silicon epitaxial planar amplifier transistor manufactured by onsemi. It features a maximum collector current of 800 mA and a collector-emitter voltage rating of 45 Vdc. The device provides a minimum DC current gain (hFE) of 250 at IC = 100 mA, with a typical transition frequency of 210 MHz. Total device dissipation is rated at 625 mW at 25°C ambient temperature. It is housed in a TO-92 package and supplied in tape and reel packaging.

Single Bipolar Transistors Feature Summary

• High DC current gain suitable for amplification applications
• Low saturation voltage for efficient switching performance
• Lead-free and halogen-free compliant construction

Single Bipolar Transistors Applications

• Audio frequency amplifier circuits
• General-purpose switching applications
• Driver transistor stages

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix RL1 to confirm tape and reel packaging requirements. Ensure the -40 gain bin designation matches the circuit's hFE requirements. Confirm RoHS compliance status if environmental regulations apply. Validate that the TO-92 package dimensions fit the designated footprint. Check for any lead-free soldering profile constraints during assembly.

Single Bipolar Transistors Selection Notes

Select this component when a high-gain NPN transistor is required for audio or general signal amplification. The -40 suffix indicates a higher minimum hFE compared to standard variants. Consider the 625 mW power dissipation limit for thermal management. Verify compatibility with existing PCB layouts designed for TO-92 packages. Evaluate the 210 MHz transition frequency against signal bandwidth needs.

Single Bipolar Transistors Part Context

This part belongs to the BC337 family of NPN silicon amplifier transistors from onsemi. The family includes variants differentiated by DC current gain bins (-16, -25, -40). The BC337-40 represents the highest gain bin within this series. These devices are commonly used as replacements for older Motorola and Siemens equivalents in legacy designs.

Single Bipolar Transistors Replacement Considerations

• BC337-40G
• BC337-40ZL1

Single Bipolar Transistors FAQ

What does the '40' suffix indicate in the BC337-40 model?

The '40' suffix designates the DC current gain bin, specifying a minimum hFE of 250 at IC = 100 mA.

Is the BC337-40RL1 available in a lead-free package?

Yes, the datasheet confirms that Pb-Free packages are available for the BC337 series.

What is the maximum collector-emitter voltage for this transistor?

The maximum collector-emitter voltage (VCEO) is rated at 45 Vdc.