SMS7621-040LF

RF Diode Overview

The SMS7621-040LF is a surface-mount Schottky diode designed for RF and microwave mixer and detector applications. It features a low barrier voltage of 2V minimum at 10 µA and a typical junction capacitance of 0.25 pF at 0 V. The device operates with a maximum power dissipation of 75 mW and supports steady-state forward currents up to 50 mA. It utilizes an SOD-882 package with a series inductance (LS) of 0.45 nH, enabling operation at frequencies up to 24 GHz. The component is rated for operating temperatures ranging from -65°C to +150°C.

RF Diode Feature Summary

• Tight parameter distribution ensures minimized performance variability across devices.
• Designed specifically for sensitive RF and microwave detector circuits.
• Compatible with lead-free soldering processes and standard reflow environments.

RF Diode Applications

• Sensitive RF and microwave detector circuits
• Sampling and mixer circuits
• High-volume wireless infrastructure
• Wi-Fi and mobile communication designs

RF Diode Procurement Notes

Verify the specific ordering suffix against official Skyworks documentation to confirm the exact package type and marking code. Confirm RoHS compliance status and Moisture Sensitivity Level (MSL1) requirements prior to assembly. Ensure ESD handling precautions are strictly followed during storage and manufacturing to prevent device damage.

RF Diode Selection Notes

Select this component for applications requiring low-barrier Schottky characteristics in compact surface-mount formats. The SOD-882 package offers a small footprint suitable for high-density layouts. Evaluate the 0.45 nH series inductance and 0.25 pF capacitance to ensure compatibility with target frequency bands up to 24 GHz.

RF Diode Part Context

This part belongs to the Skyworks SMS7621 series of mixer and detector Schottky diodes. The series includes various configurations such as singles, series pairs, and reverse series pairs housed in SC-79, SOT-23, and SOD-882 packages. These devices utilize advanced semiconductor technology combined with cost-effective packaging techniques for high-volume production.

RF Diode Replacement Considerations

SMS7630-040LF is a documented alternative within the same datasheet family, featuring a lower 1V barrier voltage and different electrical characteristics.

RF Diode FAQ

What is the maximum operating frequency for the SMS7621-040LF?

The device may be used at frequencies up to 24 GHz.

What is the typical junction capacitance value?

The typical junction capacitance is 0.25 pF measured at 0 V.

Is the SMS7621-040LF compatible with lead-free soldering?

Yes, the diodes can be used for lead or lead-free soldering and are rated MSL1 at 260 °C for 5 seconds.