SMX0504-M1

RF Diode Overview

The SMX0504-M1 is a silicon PIN diode in a hermetic M1 MELF package. It features a maximum reverse voltage of 500 V and a forward current of 1 A. The device has a maximum capacitance of 500 fF and operates up to 2 GHz. Series resistance is 600 mOhms at 100 mA and 100 MHz. Operating temperature ranges from -55°C to +150°C with a carrier lifetime of 1 µs.

RF Diode Feature Summary

• Hermetic sealing for reliable operation in harsh environments
• High-speed switching capability suitable for RF applications
• Silicon PIN technology optimized for high-frequency performance

RF Diode Applications

• RF switching circuits
• Attenuator networks
• Phase shifters

RF Diode Procurement Notes

Verify the specific ordering suffix, such as /TR for tape and reel packaging, against the manufacturer's official documentation. Confirm that the hermetic M1 MELF package meets environmental requirements. Check for recent product change notifications regarding fabrication site updates or material specifications before finalizing procurement orders.

RF Diode Selection Notes

Select this component when high isolation and low capacitance are critical for RF signal integrity. The hermetic construction ensures long-term stability compared to non-hermetic alternatives. Ensure the circuit design accommodates the specified series resistance and forward current limits for optimal thermal management.

RF Diode Part Context

This part belongs to Microchip Technology's line of hermetic PIN diodes designed for military and aerospace applications. The M1 MELF form factor provides a compact footprint while maintaining robust environmental protection standards required for defense and space-grade electronics systems.

RF Diode Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may lack the required hermetic seal or specific RF characteristics necessary for sensitive applications.