SMP1302-087LF

RF Diode Overview

The SMP1302-087LF is a surface-mount silicon PIN diode designed for high-power, high-volume switch and attenuator applications from 10 MHz to beyond 6 GHz. It features a series-connected configuration with a nominal 50 μm I-region width. Key electrical parameters include a maximum forward voltage of 0.80 V at 10 mA, a maximum reverse leakage current of 10 μA at 200 V, and a maximum total capacitance of 0.35 pF at 30 V. The device supports a maximum forward current of 200 mA and has a dissipated power rating of 1 W at 85 °C. It operates within an ambient temperature range of –55 °C to +85 °C.

RF Diode Feature Summary

• High RF power handling capability up to 125 W in series-connected transmit/receive switches
• Low thermal resistance of 22 °C/W for efficient heat dissipation
• Small QFN (2 x 2 mm) package suitable for space-constrained designs

RF Diode Applications

• Low-loss, high-power switches
• Low-distortion attenuators
• Transmit/receive (T/R) switches

RF Diode Procurement Notes

Verify the component status before procurement as discontinuation notifications exist. Confirm that the specific ordering suffix matches the required package and tape-and-reel specifications. Ensure compliance with moisture sensitivity level requirements during storage and soldering processes to prevent reliability issues.

RF Diode Selection Notes

Select this component when low parasitic inductance and low capacitance are critical for large signal switching performance. Evaluate the 1 W dissipation rating against the expected CW input power levels. Consider the 22 °C/W thermal resistance for adequate heatsinking or PCB layout optimization to maintain junction temperatures within safe operating limits.

RF Diode Part Context

This part belongs to the Skyworks SMP1302 series of surface-mount PIN diodes. It utilizes a 2-QFN (2x2 mm) package design optimized for high-frequency RF applications. The device is manufactured using silicon technology and is compliant with applicable environmental legislation, including being halogen-free.

RF Diode Replacement Considerations

No public confirmed substitute part numbers are available.