Silicon hyperabrupt junction varactor SKYWORKS SMV1129-079LF ideal for low phase noise VCO tuning circuits
Key Attributes
Model Number:
SMV1129-079LF
Product Custom Attributes
Capacitance Ratio:
2.5@C1V/C6V
DC Reverse Voltage(Vr):
12V
Diode Configuration:
Independent
Mfr. Part #:
SMV1129-079LF
Package:
SC-79
Product Description
Product Overview
The Skyworks SMV1129-079LF is a silicon hyperabrupt junction varactor designed for low phase noise voltage-controlled oscillators (VCOs) and high-Q tuning elements in wireless system local oscillators (LOs). Its low series resistance is ideal for tunable high-Q resonant circuits operating at frequencies beyond 2.5 GHz, making it suitable for applications requiring low phase noise and efficient tuning.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Product Line: Skyworks Green
- Compliance: Halogen-free, RoHS-compliant
- Packaging: MSL1, 260 C per JEDEC J-STD-020
- Package Type: Single SC-79
Technical Specifications
| Parameter | Symbol | Minimum | Typical | Maximum | Units | Notes |
|---|---|---|---|---|---|---|
| Absolute Maximum Ratings | ||||||
| Reverse voltage (IR = 10 A) | VR | 12 | V | Exposure to maximum rating conditions for extended periods may reduce device reliability. | ||
| Reverse current (VR = 10 V) | IR | 20 | nA | |||
| Power dissipation | PDIS | 250 | mW | |||
| Forward current | IF | 20 | mA | |||
| Operating temperature | TOP | -55 | +125 | C | ||
| Storage temperature | TSTG | -55 | +150 | C | ||
| Electrostatic discharge: Human Body Model (HBM), Class 0 | ESD | < 250 | V | This device must be protected at all times from ESD. | ||
| Electrical Specifications (TOP = 25 C, Unless Otherwise Noted) | ||||||
| Capacitance @ 1 V | CT @ 1 V | 17.5 | 19.0 | 20.5 | pF | |
| Capacitance Ratio (CT @ 1 V / CT @ 3 V) | 1.40 | 1.53 | ||||
| Capacitance Ratio (CT @ 1 V / CT @ 6 V) | 2.0 | 2.5 | ||||
| Series Resistance @ 1 V, 500 MHz | RS @ 1 V, 500 MHz | 0.4 | ||||
| Capacitance vs Reverse Voltage | ||||||
| VR (V) | CT (pF) | |||||
| 0 | 27.5 | |||||
| 1 | 18.9 | |||||
| 2 | 15.0 | |||||
| 3 | 12.5 | |||||
| 4 | 10.7 | |||||
| 5 | 9.3 | |||||
| 6 | 8.1 | |||||
| 7 | 7.1 | |||||
| 8 | 6.3 | |||||
| 9 | 5.7 | |||||
| 10 | 5.2 | |||||
| 11 | 4.9 | |||||
| 12 | 4.7 | |||||
| SPICE Model Parameters | ||||||
| Part Number | CJO (pF) | VJ (V) | M | CP (pF) | RS () | Note |
| SMV1129-079LF | 27.30 | 2.38 | 0.98 | 0 | 0.4 | Values extracted from measured performance. |
| Package Dimensions (SC-79) | ||||||
| Dimension | Min. | Max. | Units | |||
| Length | 1.50 | 1.70 | mm | |||
| Width | 1.10 | 1.30 | mm | |||
| Height | 0.70 | 0.90 | mm | |||
| Lead Pitch | 0.07 | 0.20 | mm | |||
| Lead Width | 0.25 | 0.35 | mm | |||
| Lead Length | 0.50 | 0.70 | mm | |||
| Tape and Reel Dimensions (SC-79) | ||||||
| Item | Dimension | Tolerance | Units | |||
| Reel Diameter | 177.8 | 2.5 | mm | (7 inches) | ||
| Tape Width | 8.00 | 0.10 | mm | |||
| Pocket Pitch | 4.00 | 0.10 | mm | |||
| Pocket Depth | 1.30 | 0.05 | mm | |||
| Carrier Width | 5.50 | 0.10 | mm | |||
| Cover Tape Width | 5.40 | mm | ||||
| Pocket Width | 1.75 | 0.10 | mm | |||
| Pocket Height | 0.73 | 0.05 | mm | |||
| Hole Diameter | 1.50 | 0.10 | mm | |||
| Hole Pitch | 2.00 | 0.05 | mm | |||
| Spool Hub Diameter | 50.00 | 0.05 | mm | (2 inches) | ||
| Quantity per Reel | 3000 | pcs | ||||
2410301828_SKYWORKS-SMV1129-079LF_C17366347.pdf
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