BF959RL1

Overview

The BF959RL1G is an NPN silicon VHF transistor manufactured by onsemi, housed in a TO-92 package. It features a collector-emitter voltage of 20 Vdc and a continuous collector current of 100 mAdc. The device offers a typical current-gain bandwidth product of 700 MHz at 20 mA and 600 MHz at 30 mA. Total device dissipation reaches 1.5 W at case temperatures of 25°C. Operating junction temperature ranges from -55°C to +150°C.

Feature Summary

• Designed for Very High Frequency (VHF) applications
• Optimized for low noise figure performance
• High current-gain bandwidth product

Applications

• VHF amplification stages
• Low-noise front-end circuits
• RF signal processing

Procurement Notes

Verify the specific ordering suffix RL1G against official documentation to confirm tape and reel packaging specifications. Confirm RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Ensure the component meets all environmental and safety standards required for your specific application design.

Selection Notes

Select this component when designing circuits requiring high-frequency operation within the VHF band. Consider the thermal resistance characteristics and power dissipation limits relative to your operating environment. Validate the DC current gain and noise figure parameters against your specific circuit requirements to ensure optimal performance.

Part Context

This part belongs to the BF959 series of NPN silicon transistors designed for VHF applications. It is available in various packaging options including bulk boxes, ammo packs, and tape and reel formats. The RL1G suffix specifically denotes the tape and reel packaging configuration for automated assembly processes.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter equivalence before replacing the component in existing designs.