Low noise voltage controlled oscillator varactor diode SKYWORKS SMV1220-079LF with RoHS compliant lead finish

Key Attributes
Model Number: SMV1220-079LF
Product Custom Attributes
Capacitance Ratio:
4@C1V/C4V
Diode Configuration:
Independent
DC Reverse Voltage(Vr):
20V
Diode Capacitance:
7.55pF@4V,1MHz
Mfr. Part #:
SMV1220-079LF
Package:
SC-79
Product Description

Skyworks SMV1220-079LF: Hyperabrupt Junction Tuning Varactor

Product Overview

The Skyworks SMV1220-079LF is a silicon hyperabrupt junction varactor diode engineered for battery-powered applications. It features a high-capacitance ratio and low-series resistance, making it ideal for low phase-noise Voltage-Controlled Oscillators (VCOs) operating at frequencies up to and exceeding 2.5 GHz. This varactor is suitable for low-noise and wideband UHF and VHF VCOs in wireless systems, including GSM, PCS, CDMA, and analog phones.

Product Attributes

  • Brand: Skyworks Solutions, Inc.
  • Product Line: Hyperabrupt Junction Tuning Varactor
  • Cross Reference: Renesas HVC365
  • Package: Ultrasmall SC-79
  • Moisture Sensitivity Level (MSL): MSL1
  • Soldering Temperature: 260 C per JEDEC J-STD-020
  • Certifications: Skyworks Green (compliant with applicable legislation and halogen-free)
  • Packaging Type: Single SC-79
  • Marking: Cathode and KA
  • Lead Finish: Pb-free (indicated by "LF" in part number), RoHS-compliant

Technical Specifications

Parameter Symbol Test Condition Minimum Typical Maximum Units
Absolute Maximum Ratings
Reverse voltage VR 20 V
Forward current IF 20 mA
Power dissipation PDIS 250 mW
Operating temperature TOP -55 125 C
Storage temperature TSTG -55 150 C
Electrical Specifications
Reverse current IR VR = 16 V 10 nA
Capacitance CT f = 1 MHz, VR = 1 V 27.30 28.25 pF
f = 1 MHz, VR = 4 V 6.05 7.55 pF
Capacitance ratio CTR CT @ 1 V / CT @ 4 V 3.0 4.0
Series resistance RS f = 470 MHz, VR = 4 V 0.50 0.65
Breakdown voltage VBR IR = 10 A 20 V
SPICE Model Parameters
CJO (pF) 48.43
VJ (V) 13
M 9
CP (pF) 3.2
RS () 0.52
LS (nH) 0.70

Package Dimensions (SC-79)

Refer to Figure 3 in the provided documentation for detailed SC-79 package dimensions.

Tape and Reel Dimensions (SC-79)

Standard reel size: 7 inches. Standard reel quantity: 3000 pcs. Refer to Figure 4 in the provided documentation for detailed SC-79 tape and reel dimensions.


2410301828_SKYWORKS-SMV1220-079LF_C17370636.pdf

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