SMV1770-040LF

Overview

The SMV1770-040LF is a single varactor diode manufactured by Skyworks Solutions Inc., housed in an SOD-882 surface-mount package. It features a maximum peak reverse voltage of 12 V and operates within a junction temperature range of -55°C to +125°C. The device exhibits a capacitance of 9.8 pF at 2.5 V reverse bias and 1 MHz frequency, with a capacitance ratio of 2.7 defined by the C0.5/C2.5 condition. It complies with RoHS3 standards and carries an EAR99 classification.

Feature Summary

• Single-ended varactor configuration for RF tuning applications
• High capacitance ratio for effective frequency modulation
• Compliant with RoHS3 environmental specifications

Applications

• RF tuning circuits requiring variable capacitance
• Voltage-controlled oscillator (VCO) designs
• Frequency synthesizer phase-locked loops

Procurement Notes

This component has been officially discontinued as of October 1, 2019. Verify current availability through authorized distributors or secondary markets. Confirm RoHS3 compliance and package integrity upon receipt. Review datasheet revisions for any historical parameter updates before final integration.

Selection Notes

Select this part for low-voltage RF tuning applications requiring a 12 V reverse voltage rating. Ensure the circuit design accommodates the 9.8 pF baseline capacitance and 2.7 ratio. Verify thermal management capabilities within the specified -55°C to +125°C operating range for reliable performance.

Part Context

The SMV1770-040LF belongs to Skyworks' SMD varactor diode portfolio, designed for compact RF systems. It utilizes silicon technology in a small outline package. This specific model targets applications needing precise capacitance control under low reverse bias conditions.

Replacement Considerations

No direct public substitute part numbers are confirmed for this discontinued component. Evaluate alternative varactor diodes from Skyworks or other manufacturers based on matching capacitance, voltage ratings, and package dimensions.