BC557BRL1

Single Bipolar Transistors Overview

The BC557BRL1 is a PNP silicon epitaxial planar transistor manufactured by onsemi, designed for amplifier applications. It features a maximum collector-emitter voltage of -45 V and a continuous collector current of -100 mA. The device operates within a junction temperature range of -55°C to +150°C with a total device dissipation of 625 mW at 25°C ambient. Electrical characteristics include a DC current gain (hFE) ranging from 120 to 800 at IC = -10 mA and VCE = -5 V. The transition frequency (fT) is typically 320 MHz. It is supplied in a TO-92 package via tape and reel.

Single Bipolar Transistors Feature Summary

• PNP silicon epitaxial planar construction optimized for amplifier circuits
• High DC current gain capability across specified operating conditions
• Suitable for general-purpose small-signal amplification tasks

Single Bipolar Transistors Applications

• General-purpose amplifier circuits
• Small-signal processing stages
• Low-frequency audio amplification

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix RL1 corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the component meets RoHS compliance standards if lead-free soldering is mandated for the production line. Ensure the procurement channel provides valid traceability documentation consistent with onsemi manufacturing records.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with a -45 V collector-emitter breakdown voltage is required for low-power amplification. The B series gain binning offers a wide hFE range suitable for various biasing requirements. Consider the TO-92 through-hole package constraints and thermal dissipation limits relative to the application's power budget.

Single Bipolar Transistors Part Context

This part belongs to the BC55x family of PNP transistors, which includes variants like BC556 and BC558 differentiated primarily by their collector-emitter voltage ratings. The BC557 specifically targets applications requiring -45 V operation. The RL1 suffix indicates a specific bulk shipping format distinct from bulk or ammo box packaging options available for other suffixes.

Single Bipolar Transistors Replacement Considerations

BC557BRL1G serves as the lead-free compliant alternative within the same packaging format.