Low Noise Voltage Controlled Oscillator Varactor Diode SKYWORKS SMV1273-079LF in Compact SC79 Package

Key Attributes
Model Number: SMV1273-079LF
Product Custom Attributes
Capacitance Ratio:
7@C2V/C25V
Diode Configuration:
Independent
DC Reverse Voltage(Vr):
29V
Series Resistance (Rs):
-
Diode Capacitance:
2.4pF@25V,1MHz
Mfr. Part #:
SMV1273-079LF
Package:
SC-79
Product Description

Product Overview

The Skyworks SMV1273-079LF is a silicon hyperabrupt junction varactor diode specifically designed for battery-operated wireless systems. It features low-series resistance and a high-capacitance ratio, making it suitable for low phase-noise voltage-controlled oscillators (VCOs) operating at frequencies up to and above 2.5 GHz. Applications include low-noise and wideband UHF and VHF VCOs for GSM, PCS, CDMA, and analog phones. The device is packaged in an ultra-small SC-79 package and is rated to Moisture Sensitivity Level 1 (MSL1) at 260 C.

Product Attributes

  • Brand: Skyworks Solutions, Inc.
  • Product Line: Skyworks Green
  • Package Type: SC-79
  • Certifications: RoHS-compliant (indicated by "LF" in part number), Halogen-free
  • Moisture Sensitivity Level: MSL1 at 260 C

Technical Specifications

Parameter Symbol Test Condition Minimum Typical Maximum Units
Reverse Voltage VR 29 V
Forward Current IF 20 mA
Power Dissipation PDIS 250 mW
Operating Temperature TOP -55 125 C
Storage Temperature TSTG -55 150 C
Reverse Current IR VR = 26 V 20 nA
Capacitance CT f = 1 MHz, VR = 2 V 13.6 16.9 pF
Capacitance CT f = 1 MHz, VR = 25 V 2.0 2.4 pF
Capacitance Ratio CTR CT @ 2 V / CT @ 25 V 6.2 7.0
Series Resistance RS f = 470 MHz, VR = 5 V 0.8
Breakdown Voltage VBR IR = 10 A 29 V
Inductance (Series) LS 0.70 nH
Part Number CJO (pF) VJ (V) M CP (pF) RS () LS (nH)
SMV1273-079LF 31.7 0.18 0.50 0.18 0.80 0.70

Package Dimensions (SC-79):

  • Length: 1.50 mm (min) - 1.70 mm (max)
  • Width: 1.10 mm (min) - 1.30 mm (max)
  • Height: 0.70 mm (min) - 0.90 mm (max)
  • Lead Pitch: 0.25 mm (min) - 0.35 mm (max)

Tape and Reel Dimensions (Standard Reel: 7 inches, 3000 pcs):

  • Reel Diameter: 8.00 mm 0.10 mm
  • Carrier Tape Width: 8.00 mm 0.10 mm

2411220218_SKYWORKS-SMV1273-079LF_C150875.pdf

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