SMV1200-80LF

Overview

The SMV1200-80LF is a single varactor diode manufactured by Skyworks Solutions Inc., designed for surface-mount applications in the SC-79 (SOD-523) package. It features a maximum peak reverse voltage of 30 V and operates within a junction temperature range of -55°C to 125°C. The device exhibits a capacitance of 2.89 pF at 28 V reverse bias and 1 MHz frequency, with a capacitance ratio of 22.0 under C1/C28 conditions. Compliant with RoHS3 standards and classified as EAR99, this component is currently marked as obsolete.

Feature Summary

• Single-channel varactor diode configuration optimized for RF tuning circuits
• Surface-mount construction utilizing compact SC-79 packaging for automated assembly
• High capacitance ratio capability supporting wide tuning range requirements

Applications

• RF filter tuning networks
• Voltage-controlled oscillator (VCO) frequency adjustment
• Impedance matching circuitry in wireless infrastructure

Procurement Notes

Verify component obsolescence status prior to procurement planning, as the SMV1200-80LF is officially listed as discontinued by the manufacturer. Confirm that alternative sourcing channels provide genuine parts with intact RoHS3 compliance documentation. Review end-of-life notifications for final order dates and last-time buy windows to ensure supply continuity for existing production lines requiring this specific SC-79 packaged varactor.

Selection Notes

Select this component when a single varactor with a 30 V reverse voltage rating and SC-79 footprint is required. Ensure design parameters align with the specified 2.89 pF capacitance at 28 V bias and 22.0 capacitance ratio. Verify thermal management capabilities support the -55°C to 125°C junction temperature range for the intended operating environment.

Part Context

The SMV1200-80LF belongs to Skyworks Solutions' discrete semiconductor varactor diode family, specifically engineered for radio frequency applications. It serves as a voltage-variable capacitor element within tunable RF systems. The part utilizes standard lead-free manufacturing processes compliant with international environmental regulations, targeting integration into compact wireless communication devices and infrastructure equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the component's obsolete status. Designers should consult official Skyworks Solutions replacement guides or engineering support for validated alternatives compatible with the SC-79 package and similar electrical characteristics.