GC4750-42

RF Diode Overview

The GC4750-42 is a PIN diode limiter manufactured by Microchip Technology. It features a hermetic stud package designed for high-power RF applications. The device operates within a frequency range up to 18 GHz. It supports a continuous wave input power of 50 W and an input peak power of 56 dBm. Key electrical parameters include an insertion loss of 0.2 dB and a capacitance of 0.25 pF at 50 V reverse bias and 1 MHz. The component functions as a single diode with an operating temperature range from -55°C to 150°C.

RF Diode Feature Summary

• Hermetic stud packaging for environmental protection
• High power handling capability for RF limiting
• Low insertion loss performance

RF Diode Applications

• Radar systems
• Electronic warfare receivers
• Communication transceivers

RF Diode Procurement Notes

Verify the current manufacturing status and availability directly with Microchip Technology or authorized distributors, as this component may be subject to specific ordering requirements or long lead times. Confirm that the hermetic stud package meets the mechanical and thermal specifications required for the target application environment before finalizing procurement plans.

RF Diode Selection Notes

Select the GC4750-42 when high power handling and low insertion loss are critical in the 18 GHz frequency band. Ensure the system design accommodates the stud mount form factor and the specified operating temperature range. Verify that the reverse bias voltage requirements align with the circuit design to achieve the desired capacitance characteristics.

RF Diode Part Context

This component belongs to the family of silicon PIN limiters produced by Microchip Technology. These devices are engineered for robust performance in demanding RF environments. The GC4750-42 variant specifically utilizes a hermetic stud construction to ensure reliability under harsh conditions, distinguishing it from surface-mount alternatives.

RF Diode Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Microchip Technology technical support for potential cross-reference options or updated product line replacements.