MPS6531 APM PBFREE

Single Bipolar Transistors Overview

The MPS6531 APM PBFREE is a single NPN silicon small-signal transistor housed in a TO-92 through-hole package. It features a maximum collector current of 0.6 A and a collector-emitter voltage rating of 40 V. The device has a minimum DC current gain (hFE) of 90 and a rated transition frequency of 300 MHz. Designed for general-purpose switching applications, it utilizes a plastic/epoxy body with tin-lead plated terminals.

Single Bipolar Transistors Feature Summary

• NPN polarity configuration for general-purpose amplification and switching
• Through-hole mounting capability via TO-92 cylindrical package
• Silicon planar epitaxial construction for reliable operation

Single Bipolar Transistors Applications

• General-purpose signal amplification circuits
• Electronic switching applications requiring up to 600 mA load current
• Medium power amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer source, as MPS6531 is a generic JEDEC-style designation produced by multiple vendors including Fairchild and Central Semiconductor. Confirm RoHS compliance status explicitly, as the 'PBFREE' suffix indicates lead-free composition but requires validation against the actual datasheet revision. Ensure the TO-92 pinout matches the target schematic design before integration.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN switching transistor with moderate current handling is required. The 40 V breakdown voltage suits low-voltage logic interfaces. Verify thermal dissipation requirements, as the TO-92 package offers limited heat sinking compared to surface-mount alternatives. Check hFE binning if precise gain consistency is critical for the analog stage.

Single Bipolar Transistors Part Context

This part belongs to the family of general-purpose small-signal transistors widely used in consumer electronics and industrial control boards. Similar devices include the 2N3904 or BC547 series, though electrical ratings vary. The MPS6531 specifically targets applications needing higher current capacity than standard 100 mA transistors while maintaining low cost and availability in through-hole formats.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include the 2N3904 or BC547B, provided the 40 V rating and 600 mA current limit are acceptable. Verify pinout compatibility (Emitter-Base-Collector vs. Base-Collector-Emitter) as variations exist across manufacturers. For high-frequency needs, check fT specifications against the 300 MHz baseline.