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quality Low Voltage Silicon Hyperabrupt Junction Varactor Diode SKYWORKS SMV1255-079LF for Voltage Controlled Oscillator factory
quality Low Voltage Silicon Hyperabrupt Junction Varactor Diode SKYWORKS SMV1255-079LF for Voltage Controlled Oscillator factory

Low Voltage Silicon Hyperabrupt Junction Varactor Diode SKYWORKS SMV1255-079LF for Voltage Controlled Oscillator

Key Attributes
Model Number: SMV1255-079LF
Product Custom Attributes
Capacitance Ratio:
12.3@C0.3V/C4.7V
DC Reverse Voltage(Vr):
15V
Diode Configuration:
Independent
Series Resistance (Rs):
1Ω
Diode Capacitance:
5.8pF@4.7V,50MHz
Mfr. Part #:
SMV1255-079LF
Package:
SC-79
Product Description

Product Overview

The Skyworks SMV1247-SMV1255 series are silicon hyperabrupt junction varactor diodes specifically designed for Voltage Controlled Oscillators (VCOs) requiring low tuning voltage operation. These varactors are characterized for capacitance and resistance over temperature, offering a high capacitance ratio of 12 typical (C0.3V/C4.7V). They are suitable for high-volume commercial systems and are rated MSL1 at 260 C, compatible with both leaded and lead-free soldering processes.

Product Attributes

  • Brand: Skyworks Solutions, Inc.
  • Product Line: Hyperabrupt Junction Tuning Varactors
  • Certifications/Compliance: Skyworks Green, RoHS-compliant (Pb-free/LF options available)
  • Moisture Sensitivity Level: MSL1 at 260 C

Technical Specifications

Model CT @ 0.3 V (pF) CT @ 4.7 V (pF) CT @ 0.3 V / CT @ 4.7 V (Ratio) RS @ 3 V, 500 MHz () Q @ 3 V, 50 MHz Package Type Package Marking LS (nH)
SMV1247 6.5 - 7 0.7 - 0.78 9.5 typical 1500 4.6 - 6.0 SC-79, SOD-323, SOD-882, SOT-23 AH, H 0.7
SMV1248 15.0 - 17 1.5 - 1.70 9.5 typical 700 4.7 - 3.3 SC-79, SOD-323, SOD-882, SOT-23 CH, 8 1.5
SMV1249 28.0 - 31 2.6 - 2.80 10.8 typical 600 5.3 - 2.2 SC-79, SOD-323, SOT-23 EH, EF, K 1.5
SMV1251 38.0 - 42 3.4 - 3.80 11.0 typical 400 4.8 - 1.6 SC-79, SOD-323, SOD-882, SOT-23 FH, EH, EH1 1.5
SMV1253 48.0 - 53 4.3 - 4.80 11.0 typical 350 4.7 - 1.4 SC-79, SOD-323, SOD-882, SOT-23 GH, EJ, EJ3 0.45
SMV1255 58.0 - 64 5.2 - 5.80 11.0 typical 350 5.1 - 1.3 SC-79, SOD-323, SOD-882, SOT-23 HH, EK, EK1 0.45
Parameter Symbol Minimum Maximum Units
Reverse voltage VR 15 V
Forward current IF 20 mA
Power dissipation PDIS 250 mW
Operating temperature TOP -55 +125 C
Storage temperature TSTG -55 +150 C
Electrostatic discharge (CDM, Class 4) ESD 1000 V
Electrostatic discharge (HBM, Class 1A) ESD 250 V
Electrostatic discharge (MM, Class A) ESD <50 V

2411220203_SKYWORKS-SMV1255-079LF_C150890.pdf
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