PN3638A APM PBFREE

Single Bipolar Transistors Overview

The PN3638A APM PBFREE is a PNP bipolar junction transistor manufactured by Central Semiconductor Corp. It is designed for through-hole mounting in TO-92-3 packages. The device features a maximum collector-emitter voltage of 25V and supports a continuous collector current of 150mA. With a power dissipation rating of 625mW, it operates within a temperature range extending to 150°C. This component serves as a general-purpose small-signal switching and amplification element.

Single Bipolar Transistors Feature Summary

• Utilizes a PNP configuration for low-side switching applications
• Engineered for high-frequency performance up to 150MHz
• Constructed with lead-free materials compliant with RoHS standards

Single Bipolar Transistors Applications

• General-purpose signal amplification circuits
• Low-power switching logic interfaces
• Audio pre-amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'APM' corresponds to the Ammo Pack packaging format when sourcing. Confirm that the 'PBFREE' designation ensures compliance with environmental restrictions regarding hazardous substances. Cross-reference the manufacturer part number against distributor catalogs to ensure accurate identification of the TO-92-3 package variant.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring a PNP small-signal transistor with moderate current handling capabilities. Ensure the operating voltage remains below the 25V limit to maintain reliability. Consider the thermal resistance characteristics inherent to the TO-92-3 package when calculating heat dissipation requirements for dense circuit board layouts.

Single Bipolar Transistors Part Context

This part belongs to the broader family of small-signal bipolar transistors produced by Central Semiconductor. It shares functional similarities with other general-purpose NPN and PNP variants but is distinct due to its specific polarity and frequency response specifications tailored for standard electronic signal processing tasks.

Single Bipolar Transistors Replacement Considerations

The 2N3638 is a documented equivalent part number for this component. Verify pinout compatibility and electrical parameter alignment before substitution. Other generic PNP transistors may serve as alternatives if their voltage and current ratings exceed the original specifications.