SMV1212-079LF

Overview

The SMV1212-079LF is a silicon hyperabrupt junction tuning varactor diode from the Skyworks SMV121x series, designed for low tuning voltage Voltage Controlled Oscillators (VCOs). It operates within a reverse voltage range of -55°C to +125°C and features a maximum reverse voltage of 12 V. At 4 V, the typical capacitance is 9.3 pF with a series resistance of 1.4 Ω at 500 MHz. The device exhibits a typical capacitance ratio of C1V/C4V = 5 and is housed in an SC-79 package with a parasitic inductance of 0.7 nH.

Feature Summary

• High capacitance ratio of C1V/C4V = 5 typical
• Designed for low tuning voltage VCO applications
• Packages rated MSL1, 260 °C per JEDEC J-STD-020

Applications

• Low tuning voltage VCOs
• High-volume commercial systems

Procurement Notes

Verify the specific part number against official Skyworks documentation to ensure compatibility with your design requirements. Confirm that the component meets all necessary environmental and safety standards before integration into your final product assembly process.

Selection Notes

Select this component when designing circuits requiring low tuning voltages and high capacitance ratios. Ensure the operating environment stays within the specified temperature range and reverse voltage limits to maintain optimal performance and reliability.

Part Context

The SMV1212-079LF belongs to the SMV121x series of silicon hyperabrupt junction varactor diodes manufactured by Skyworks Solutions. This series is characterized for capacitance and resistance over temperature, making it suitable for precise tuning applications in RF circuits.

Replacement Considerations

SMV1213-079LF, SMV1215-079LF

FAQ

What is the typical capacitance ratio for the SMV1212-079LF?

The typical capacitance ratio (C1V/C4V) is 5.

What is the maximum reverse voltage rating?

The maximum reverse voltage rating is 12 V.

What package type does the SMV1212-079LF use?

It uses the SC-79 package.