BAR6404WH6327XTSA1

RF Diode Overview

The BAR6404WH6327XTSA1 is a surface mount RF PIN diode series pair designed for low distortion switching applications up to 3 GHz. It features a nominal 50 μm I-region width and a typical carrier lifetime of 1550 ns, resulting in low forward resistance and minimal signal distortion. The device operates with a maximum reverse voltage of 150 V and a maximum forward current of 100 mA. Key electrical parameters include a typical capacitance of 0.25 pF at 0 V reverse bias and frequencies ≥ 1 GHz, and a typical forward resistance of 2.2 Ω at 10 mA forward current and 100 MHz. It is housed in an industry-standard SOT-323-3 package.

RF Diode Feature Summary

• Optimized for low signal distortion in high-frequency RF switches
• Very low capacitance characteristics suitable for frequencies up to 3 GHz
• Low forward resistance ensuring efficient signal transmission
• Cost-optimized design for industrial volume production

RF Diode Applications

• Low bias current RF switches
• High-speed interface switches
• RF attenuators
• Wireless communication systems
• High speed data networks

RF Diode Procurement Notes

Verify the specific ordering code BAR6404WH6327XTSA1 against official Infineon documentation to ensure correct package type and pin configuration. Confirm that the application environment remains within the specified operating temperature range of -55 °C to +125 °C. Ensure proper ESD handling precautions are observed during assembly, as the device is electrostatic discharge sensitive. Check for any updates in the datasheet revision history regarding manufacturing changes.

RF Diode Selection Notes

Select this component when designing circuits requiring low insertion loss and high isolation in the 1 GHz to 3 GHz frequency range. The series pair configuration allows for balanced circuit topologies. Consider the thermal resistance of 105 K/W for heat dissipation calculations in dense PCB layouts. Ensure the required forward current does not exceed 100 mA to maintain reliability within the absolute maximum ratings defined in the datasheet.

RF Diode Part Context

This part belongs to the BAR64 series of low signal distortion RF PIN diodes from Infineon Technologies. It is specifically engineered for cost-effective mass production while maintaining high performance metrics. The SOT-323-3 package provides a compact footprint suitable for modern surface mount technology requirements. It complements other RF components in wireless infrastructure and data communication equipment designs.

RF Diode Replacement Considerations

Direct replacements must match the SOT-323-3 package and series pair configuration. Verify that substitute parts offer comparable carrier lifetime and capacitance values to maintain signal integrity. Ensure the replacement diode supports the same maximum reverse voltage and forward current ratings. Consult Infineon for potential obsolescence notices or recommended alternative product lines if availability becomes constrained.