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quality Ultra Small SC79 Package Varactor Diode SKYWORKS SMV1276-079LF Suitable for Low Noise VCO Circuits factory
quality Ultra Small SC79 Package Varactor Diode SKYWORKS SMV1276-079LF Suitable for Low Noise VCO Circuits factory

Ultra Small SC79 Package Varactor Diode SKYWORKS SMV1276-079LF Suitable for Low Noise VCO Circuits

Key Attributes
Model Number: SMV1276-079LF
Product Custom Attributes
Capacitance Ratio:
2@C1V/C4V
Diode Configuration:
Independent
DC Reverse Voltage(Vr):
10V
Diode Capacitance:
2.35pF@4V,1MHz
Mfr. Part #:
SMV1276-079LF
Package:
SC-79
Product Description

Product Overview

The Skyworks SMV1276-079LF is a silicon hyperabrupt junction varactor diode engineered for battery-operated wireless systems. It features a high-capacitance ratio and low-series resistance, 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.

Product Attributes

  • Brand: Skyworks Solutions, Inc.
  • Product Name: SMV1276-079LF
  • Type: Hyperabrupt Junction Tuning Varactor
  • Package: Ultra-small SC-79
  • Certifications: Skyworks Green compliant, Halogen-free, MSL1 (260 C per JEDEC J-STD-020)
  • Cross to: Toshiba 1SV285
  • Lead-free: Pb-free, RoHS-compliant package (denoted by "LF" in part number)

Technical Specifications

Parameter Symbol Test Condition Min Typical Max Units
Absolute Maximum Ratings
Reverse voltage VR 10 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 = 10 V 10 nA
Capacitance CT f = 1 MHz, VR = 1 V 4.0 4.9 pF
Capacitance CT f = 1 MHz, VR = 4 V 1.85 2.35 pF
Capacitance ratio CTR CT @ 1 V / CT @ 4 V 2.0
Series resistance RS f = 470 MHz, VR = 1 V 0.7
Breakdown voltage VBR IR = 10 A 10 V
SPICE Model Parameters
CJO 6.75 pF
VJ 0.18 V
M 0.41
CP 0.18 pF
RS 0.8
LS 0.7 nH
Package Dimensions (SC-79)
Length 0.060 (1.50) 0.067 (1.70) inches (mm)
Width 0.043 (1.10) 0.051 (1.30) inches (mm)
Height 0.020 (0.50) 0.028 (0.70) inches (mm)
Lead pitch 0.028 (0.70) 0.035 (0.90) inches (mm)
Tape and Reel Dimensions (SC-79)
Reel diameter 7 inches
Quantity per reel 3000 pcs

2410301828_SKYWORKS-SMV1276-079LF_C17365557.pdf

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