BC337-40 PBFREE

Single Bipolar Transistors Overview

The Central Semiconductor Corp BC337-40 PBFREE is an NPN silicon epitaxial planar transistor designed for switching and audio frequency amplifier applications. It features a maximum collector-emitter voltage of 45 V, a continuous collector current of 800 mA, and a power dissipation rating of 625 mW. The device utilizes a TO-92 through-hole package with a plastic encapsulate construction. Electrical characteristics include a DC current gain (hFE) range of 100 to 630 at specified test conditions, a transition frequency of 100 MHz, and an emitter-base breakdown voltage of 5 V. The component operates within a junction temperature range of -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• Designed for general-purpose switching and audio frequency amplifier applications
• Utilizes NPN silicon epitaxial planar technology for reliable performance
• Constructed in a standard TO-92 through-hole plastic encapsulated package

Single Bipolar Transistors Applications

• Audio driver stages
• Low-power output amplifiers
• General-purpose signal switching circuits

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer source, as Central Semiconductor may distribute or rebrand components originally manufactured by other entities such as onsemi or Fairchild. Confirm that the 'PBFREE' designation aligns with RoHS compliance requirements for your assembly process. Ensure the part number suffix matches the exact gain binning (-40) required for your circuit design specifications.

Single Bipolar Transistors Selection Notes

Select this component when an NPN transistor with moderate current handling and high gain is required for low-power analog or digital switching tasks. The TO-92 package is suitable for prototyping and low-volume production where surface-mount options are not feasible. Consider the thermal resistance and power dissipation limits when designing heat management strategies for enclosed environments.

Single Bipolar Transistors Part Context

The BC337 series is a widely recognized family of NPN transistors historically produced by multiple semiconductor manufacturers including Motorola, Fairchild, and onsemi. The BC337-40 variant specifically denotes a subset of devices with a defined minimum and maximum DC current gain range. This particular part number represents a lead-free compliant version of the standard small-signal transistor, maintaining compatibility with legacy designs while meeting modern environmental standards.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include BC337-40 from other manufacturers such as onsemi, Fairchild, or Nexperia. Generic equivalents like 2N3904 offer similar functionality but with lower current ratings. Always verify pinout compatibility and electrical parameter tolerances before substituting.