ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：DIODE VARACTOR
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Capacitance @ Vr, F：0.43pF @ 20V, 50MHz
- Capacitance Ratio：2.8
- Capacitance Ratio Condition：C4/C20
- Voltage - Peak Reverse (Max)：22 V
- Diode Type：Single
- Q @ Vr, F：500 @ 4V, 50MHz
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-79, SOD-523
- Supplier Device Package：SC-79
Download product information
Overview
The SMV2020-079LF is a silicon hyperabrupt junction tuning varactor diode from Skyworks Solutions, packaged in the SC-79 (Green™) format with an associated series inductance of 0.7 nH. It operates within a temperature range of -55 °C to +125 °C and supports a maximum reverse voltage of 22 V. Electrical specifications include a capacitance at 4 V ranging from 1.20 pF to 1.53 pF, and a capacitance at 20 V ranging from 0.30 pF to 0.43 pF. The device maintains a minimum capacitance ratio of 2.80 and achieves a typical quality factor of 500 at 50 MHz.
Feature Summary
- Utilizes a silicon hyperabrupt junction structure to deliver high capacitance ratios at low reverse voltages.
- Features low series resistance characteristics suitable for minimizing insertion loss in RF circuits.
- Designed specifically to support low phase noise performance in voltage-controlled oscillators.
Applications
- Low phase noise voltage-controlled oscillators (VCOs) in wireless systems
- RF and microwave VCOs
- Phase shifters
Procurement Notes
Verify component authenticity by checking the marking code against official datasheet references. Confirm package type matches the specified SC-79 Green™ configuration. Ensure handling procedures adhere to ESD protection standards during storage and assembly to prevent electrostatic discharge damage.
Selection Notes
Select this component when a specific capacitance range centered around 1.2 pF to 1.5 pF at 4 V is required. The SC-79 package provides a compact footprint with a defined 0.7 nH series inductance. Consider the 22 V reverse voltage rating and operating temperature limits for circuit compatibility.
Part Context
This part belongs to the SMV2019 to SMV2023 series of hyperabrupt junction tuning varactors. The series offers various capacitance options across different packages, including SOT-23, SOD-323, and SC-79. The SMV2020 variant specifically targets applications requiring moderate capacitance values with high Q factors.
Replacement Considerations
SMV2019-079LF
FAQ
What is the marking code for the SMV2020-079LF?
The marking code consists of the Cathode indicator and YY.
What is the typical quality factor at 50 MHz?
The typical quality factor is 500 at 50 MHz.
What is the series inductance value for this package?
The series inductance is 0.7 nH.
