BF 770A E6327

Overview

The BF 770A E6327 is an NPN silicon RF bipolar junction transistor manufactured by Infineon Technologies. It is designed for high-frequency applications, featuring a transition frequency (fT) of 18 GHz and a noise figure of 0.9 dB at 2 GHz. The device operates with a maximum collector-emitter voltage (VCEO) of 15 V and a maximum DC collector current of 45 mA. Power dissipation is rated at 280 mW. It is housed in a compact SOT-23 surface-mount package, suitable for space-constrained RF circuits.

Feature Summary

• High-speed operation capability with an fT of 18 GHz
• Low noise performance optimized for sensitive receiver stages
• Compact SOT-23 surface-mount packaging

Applications

• RF amplifier stages in communication systems
• Low-noise amplifier (LNA) designs
• High-frequency oscillator circuits

Procurement Notes

Verify the specific datasheet revision and ordering suffixes directly with Infineon or authorized distributors to ensure compatibility with current manufacturing standards. Confirm end-of-life status and availability through official channels before finalizing procurement plans.

Selection Notes

Select this component when designing circuits requiring high gain and low noise at frequencies up to several gigahertz. Ensure the thermal management strategy accommodates the 280 mW power dissipation limit within the SOT-23 package constraints.

Part Context

This part belongs to Infineon's portfolio of discrete RF transistors. It is engineered for use in wireless infrastructure and consumer electronics where miniaturization and signal integrity are critical requirements for modern radio frequency front-end modules.

Replacement Considerations

Consult official Infineon documentation for qualified replacement parts. Verify pinout compatibility and electrical parameter equivalence before substituting.