Silicon Hyperabrupt Junction Varactor Diode SKYWORKS SMV2020-079LF for Low Phase Noise VCO Applications
Key Attributes
Model Number:
SMV2020-079LF
Product Custom Attributes
Capacitance Ratio:
2.8@C4V/C20V
DC Reverse Voltage(Vr):
22V
Diode Configuration:
Independent
Diode Capacitance:
0.43pF@20V,50MHz
Mfr. Part #:
SMV2020-079LF
Package:
SC-79
Product Description
Product Overview
The Skyworks SMV2019 to SMV2023 series are silicon hyperabrupt junction varactor diodes designed for low phase noise voltage-controlled oscillators (VCOs) in wireless systems. These varactors offer low series resistance and a high-capacitance ratio at low reverse voltage, making them suitable for RF and microwave VCOs and phase shifters. They are available in various packages and are rated MSL1, 260 C per JEDEC J-STD-020.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Product Line: SMV2019 to SMV2023 Series
- Compliance: RoHS-compliant, Skyworks Green (halogen-free)
Technical Specifications
| Part Number | CT @ 4 V (pF) | CT @ 20 V (pF) | CT @ 4 V / CT @ 20 V Ratio | Q @ 4 V, 50 MHz (Minimum) | LS (nH) |
|---|---|---|---|---|---|
| SMV2019-079LF | 0.65 | 0.26 | 2.30 | 500 | 0.7 |
| SMV2019-040LF | 0.65 | 0.26 | 2.30 | 500 | 0.45 |
| SMV2020-079LF | 1.20 | 0.30 | 2.80 | 500 | 0.7 |
| SMV2022-004LF | 2.50 | 0.60 | 3.00 | 500 | 1.5 |
| SMV2023-011LF | 4.40 | 0.90 | 4.20 | 500 | 1.5 |
Absolute Maximum Ratings
| Parameter | Symbol | Minimum | Maximum | Units |
|---|---|---|---|---|
| Reverse voltage | VR | 22 | V | |
| Forward current | IF | 20 | mA | |
| Power dissipation | PDIS | 250 | mW | |
| Operating temperature | TOP | -55 | +125 | C |
| Storage temperature | TSTG | -55 | +150 | C |
Package Information
| Package Type | Marking | Common Cathode | LS |
|---|---|---|---|
| SC-79 Green | Cathode and YX | Single | 1.5 nH |
| SOD-323 Green | Z | Single | 1.5 nH |
| SOT-23 | Cathode and YY | Single | 0.7 nH |
| SOD-882 Green | DJ3 | Single | 0.45 nH |
| SOD-882 Green | DK | Single | 0.45 nH |
2411220307_SKYWORKS-SMV2020-079LF_C6705344.pdf
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