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quality Silicon Hyperabrupt Junction Varactor Diode SKYWORKS SMV1249-079LF for Low Tuning Voltage VCO Applications factory
quality Silicon Hyperabrupt Junction Varactor Diode SKYWORKS SMV1249-079LF for Low Tuning Voltage VCO Applications factory

Silicon Hyperabrupt Junction Varactor Diode SKYWORKS SMV1249-079LF for Low Tuning Voltage VCO Applications

Key Attributes
Model Number: SMV1249-079LF
Product Custom Attributes
Capacitance Ratio:
12.1@C0.3V/C4.7V
Diode Configuration:
1 Independent
DC Reverse Voltage(Vr):
15V
Series Resistance (Rs):
12.1Ω
Diode Capacitance:
2.8pF@4.7V,50MHz
Mfr. Part #:
SMV1249-079LF
Package:
SC-79
Product Description

Product Overview

The Skyworks SMV1247-SMV1255 series comprises silicon hyperabrupt junction varactor diodes designed for low tuning voltage Voltage Controlled Oscillators (VCOs) in high-volume commercial systems. These varactors are characterized for capacitance and resistance over temperature, offering a high capacitance ratio of 12 typical (C0.3V/C4.7V). They are rated MSL1, 260 C per JEDEC J-STD-020 and are compliant with Skyworks Green standards.

Product Attributes

  • Brand: Skyworks Solutions, Inc.
  • Certifications: Skyworks Green compliant, Halogen-free
  • Moisture Sensitivity Level: MSL1
  • Soldering Compatibility: Lead or lead-free soldering

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 Marking LS (nH)
SMV1247 6.5 - 7.0 0.7 - 0.78 9.5 Typ 1500 4.6 - 6.0 SC-79, SOD-323, SOT-23, SOD-882 AH (SC-79), H (SOD-323) 0.7
SMV1248 15.0 - 17.0 1.5 - 1.70 10.8 Typ 700 4.7 - 3.3 SC-79, SOD-323, SOT-23, SOD-882 CH (SC-79), (SOD-323) 1.5
SMV1249 28.0 - 31.0 2.6 - 2.80 11.0 Typ 600 5.3 - 2.2 SC-79, SOD-323, SOT-23, SOD-882 EH (SC-79), EF (SOD-323), K (SOT-23) 1.5
SMV1251 38.0 - 42.0 3.4 - 3.80 11.0 Typ 400 4.8 - 1.6 SC-79, SOD-323, SOT-23, SOD-882 FH (SC-79), EH1 (SOD-323) 1.5
SMV1253 48.0 - 53.0 4.3 - 4.80 11.0 Typ 350 4.7 - 1.4 SC-79, SOD-323, SOT-23, SOD-882 GH (SC-79), 3 (SOD-323), EJ (SOT-23), EJ3 (SOD-882) 0.45
SMV1255 58.0 - 64.0 5.2 - 5.80 11.0 Typ 350 5.1 - 1.3 SC-79, SOD-323, SOT-23, SOD-882 HH (SC-79), EK (SOD-323), EK1 (SOD-882) 1.5
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: Charged Device Model (CDM), Class 4 ESD 1000 V
Electrostatic discharge: Human Body Model (HBM), Class 1A ESD 250 V
Electrostatic discharge: Machine Model (MM), Class A ESD <50 V
Part Number CJO (pF) VJ (V) M CP (pF) RS ()
SMV1247 8.47 80 70 0.54 4.9
SMV1248 22.12 138 100 0.87 2.4
SMV1249 36.40 80 70 1.68 1.7
SMV1251 52.48 100 76 2.00 1.4
SMV1253 51.8 73.6 48.7 2.7 1.1
SMV1255 80.00 135 100 2.74 1.0

2410121807_SKYWORKS-SMV1249-079LF_C5289043.pdf
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