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Product Detailed Parameters
- Description：DIODE VARACTOR
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Capacitance @ Vr, F：5.5pF @ 4V, 50MHz
- Capacitance Ratio：5
- Capacitance Ratio Condition：C1/C4
- Voltage - Peak Reverse (Max)：12 V
- Diode Type：Single
- Q @ Vr, F：-
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-79, SOD-523
- Supplier Device Package：SC-79
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Overview
The SMV1213-079LF is a silicon hyperabrupt junction tuning varactor diode from the Skyworks SMV121x series, designed for low tuning voltage Voltage Controlled Oscillators (VCOs). It utilizes an SC-79 package with a typical series inductance of 0.7 nH. Key electrical specifications include a minimum reverse voltage of 12 V and a maximum forward current of 20 mA. At 25 °C, the capacitance at 1 V ranges from 17.0 pF to 22.0 pF, while capacitance at 4 V ranges from 2.0 pF to 5.0 pF. The device exhibits a typical capacitance ratio (C1V/C4V) of 5 and a series resistance of 1.4 Ω at 4 V and 500 MHz.
Feature Summary
- High capacitance ratio of C1V/C4V = 5 typical
- Packages rated MSL1, 260 °C per JEDEC J-STD-020
Applications
- Low tuning voltage VCOs
- High-volume commercial systems
Procurement Notes
Verify component authenticity by checking the marking code against official datasheet references. Confirm RoHS compliance status through manufacturer documentation or authorized distributors. Ensure proper ESD handling precautions are followed during storage and assembly to prevent damage to the semiconductor junction.
Selection Notes
Select this component when designing circuits requiring high capacitance ratios under low tuning voltages. Verify that the required operating temperature range aligns with the specified -55 °C to +125 °C limits. Consider the specific package inductance and capacitance tolerances to ensure they meet the precise frequency tuning requirements of the target application.
Part Context
This part belongs to the SMV121x series of silicon hyperabrupt junction varactor diodes manufactured by Skyworks Solutions. The series includes variants such as the SMV1213-001LF and SMV1215-079LF, which share similar electrical characteristics but differ in packaging options like SOT-23 and SOD-882. These components are characterized for capacitance and resistance over temperature.
Replacement Considerations
SMV1213-001LF
FAQ
What is the typical capacitance ratio for the SMV1213-079LF?
The typical capacitance ratio (C1V/C4V) is 5.
What is the maximum reverse voltage rating for this varactor?
The absolute maximum reverse voltage rating is 12 V.
What package type does the SMV1213-079LF utilize?
It utilizes the SC-79 package with a typical series inductance of 0.7 nH.
