BC547BRL1

Single Bipolar Transistors Overview

The onsemi BC547BRL1 is an NPN silicon small-signal amplifier transistor housed in a TO-92 (Case 29) package. It features a maximum collector-emitter voltage of 45 V and a continuous collector current rating of 100 mA. The device offers a minimum DC current gain (hFE) of 110 at IC = 10 mA, with a typical current-gain-bandwidth product (fT) of 300 MHz. Total device dissipation is rated at 625 mW at 25°C ambient temperature. The component operates within a junction temperature range of -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• NPN silicon construction for general-purpose amplification
• High current-gain-bandwidth product suitable for RF applications
• Low saturation voltage characteristics
• Lead-free packaging available

Single Bipolar Transistors Applications

• General-purpose amplifiers
• Switching circuits
• RF amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix RL1 corresponds to the Tape & Reel shipping configuration containing 2000 units per reel. Confirm that the part number matches the BC547B device code rather than other variants like BC547A or BC547C. Ensure compliance with RoHS requirements if lead-free status is required, noting that the base part number may have separate Pb-Free designations.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN small-signal transistor with a 45V breakdown voltage is required. The BC547B variant provides a guaranteed minimum hFE of 110, distinguishing it from higher-gain A or C grades. Consider the TO-92 package constraints for thermal management, as power dissipation drops significantly above 25°C ambient temperature.

Single Bipolar Transistors Part Context

This part belongs to the BC546/BC547/BC548 family of NPN silicon transistors designed for amplifier applications. The BC547 series specifically targets 45V collector-emitter voltage ratings. The 'RL1' suffix indicates a specific bulk packaging format optimized for automated surface-mount or through-hole assembly processes using tape and reel systems.

Single Bipolar Transistors Replacement Considerations

• BC547BRL1G
• BC547BZL1

Single Bipolar Transistors FAQ

What is the pinout configuration for the BC547BRL1?

Viewed from the flat side of the TO-92 package with leads down, Pin 1 is Collector, Pin 2 is Base, and Pin 3 is Emitter.

How does the BC547B differ from the BC547A and BC547C?

The primary difference is the DC current gain (hFE). The BC547B has a minimum hFE of 110, whereas the BC547A starts at 200 and the BC547C starts at 420 under similar test conditions.

What is the maximum power dissipation at elevated temperatures?

The total device dissipation is 625 mW at an ambient temperature of 25°C. Above 25°C, the power must be derated at a rate of 5.0 mW/°C.