SMSA7630-061

RF Diode Overview

The SMSA7630-061 is a surface-mount, zero-bias silicon Schottky detector diode designed for high-frequency applications. It features an ultra-miniature 0201 footprint with low parasitic impedance (CP < 0.05 pF, LS < 0.2 nH). The device operates within a temperature range of -65°C to +150°C and supports frequencies up to 77 GHz. Key electrical specifications include a breakdown voltage of 1 V at 100 μA, total capacitance of 0.2 pF at 0.15 V reverse bias, and a maximum power dissipation of 75 mW. It is AEC-Q101 qualified for automotive environments.

RF Diode Feature Summary

• AEC-Q101 qualified for automotive reliability
• Ultra-low barrier height enables sensitive video detection without external bias current
• Suitable for operation at frequencies up to 77 GHz due to low junction capacitance
• Halogen-free Skyworks Green compliant packaging

RF Diode Applications

• In-vehicle Wi-Fi detectors at 2.4 GHz and 5.0 GHz
• Automotive infotainment systems
• Navigation and telematics circuits
• Garage door openers and wireless control systems
• 24 GHz detector designs and rat-race mixers

RF Diode Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and reel quantity. Confirm that the component meets the required Moisture Sensitivity Level (MSL1) standards for your soldering process. Ensure proper electrostatic discharge handling precautions are followed during storage and assembly to prevent damage.

RF Diode Selection Notes

Select this component when a zero-bias silicon Schottky detector is required in an extremely compact 0201 footprint. It is appropriate for designs needing high sensitivity at frequencies up to 77 GHz with minimal parasitic effects. Consider its AEC-Q101 qualification if the application demands automotive-grade reliability standards.

RF Diode Part Context

This part belongs to the SMSA7630 series of surface-mount Schottky detector diodes manufactured by Skyworks Solutions. The series includes variants such as the SMS7630-040LF and SMS7630-005LF, which offer different packages like 0402 or SOT-23. The SMSA7630-061 specifically targets the smallest 0201 form factor for space-constrained high-frequency applications.

RF Diode Replacement Considerations

Direct substitutes may include other Skyworks zero-bias Schottky diodes in similar small packages, such as the SMS7630-040LF (0402 package), though physical dimensions differ. Verify compatibility with existing PCB footprints and electrical parameters before substitution.

RF Diode FAQ

What is the maximum operating frequency for the SMSA7630-061?

The datasheet states the diode is suitable for use at frequencies up to 77 GHz.

Does the SMSA7630-061 require an external bias current?

No, it is a zero-bias Schottky detector diode designed to operate without external bias current due to its low barrier height.

What is the total capacitance of the SMSA7630-061?

The total capacitance is typically 0.2 pF when measured at a reverse voltage of 0.15 V and a frequency of 1 MHz.