BFP640ESDH6327XTSA1

Overview

The BFP640ESDH6327XTSA1 is a surface-mount robust silicon NPN RF bipolar transistor utilizing SiGe:C technology. It features an integrated ESD structure and high RF gain with low noise figure characteristics, making it suitable for wireless applications. The device operates within a collector-emitter voltage range of up to 4.1 V and supports a maximum collector current of 50 mA. Key electrical parameters include a minimum noise figure of 0.8 dB at 3.5 GHz and a transition frequency of 45 GHz. It is housed in an SOT-343 package.

Feature Summary

• Integrated electrostatic discharge (ESD) protection structure providing high robustness against static electricity.
• High RF gain and low noise figure performance optimized for signal amplification.
• SiGe:C technology construction ensuring reliability and cost-effectiveness.

Applications

• Low noise amplifiers (LNAs) in GNSS receivers
• LNAs in satellite radio (SDARs, DAB) receivers
• LNAs in multimedia applications such as CATV and FM radio

Procurement Notes

Verify the component authenticity by checking the manufacturer's marking code T4s on the SOT-343 package. Confirm that the ordering suffix H6327XTSA1 matches the specific reel packaging requirements. Ensure handling precautions are observed due to the device being ESD sensitive. Cross-reference the datasheet revision 3.0 for the most current product validation details before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring high linearity and low noise in the RF spectrum. The device is appropriate for applications needing an OIP3 of approximately 26.5 dBm at 3.5 GHz. Consider the SOT-343 package constraints for PCB layout. Evaluate the thermal resistance characteristics if operating near maximum power dissipation limits in compact designs.

Part Context

This part belongs to Infineon’s established sixth-generation transistor family. It is specifically designed as a surface-mount robust silicon NPN RF bipolar transistor. The BFP640ESD variant distinguishes itself through its enhanced ESD capabilities compared to standard RF transistors, maintaining competitive performance metrics while simplifying system integration for wireless communication modules.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official replacement guides or contact the manufacturer directly for validated alternatives if discontinuation occurs.

FAQ

What is the typical ESD robustness rating for this device?

The device exhibits high ESD robustness with a typical rating of 2 kV under Human Body Model (HBM) conditions across all pins.

What is the transition frequency (fT) of the BFP640ESD?

The transition frequency is typically 45 GHz when measured at a collector-emitter voltage of 3 V and a collector current of 30 mA.

Is this component qualified for automotive applications?

Yes, the device is qualified for industrial applications according to AEC-Q101 standards.