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quality High Capacitance Ratio Silicon Varactor Diode SKYWORKS SMV1251-079LF for Voltage Controlled Oscillator factory
quality High Capacitance Ratio Silicon Varactor Diode SKYWORKS SMV1251-079LF for Voltage Controlled Oscillator factory

High Capacitance Ratio Silicon Varactor Diode SKYWORKS SMV1251-079LF for Voltage Controlled Oscillator

Key Attributes
Model Number: SMV1251-079LF
Product Custom Attributes
Capacitance Ratio:
12.2@C0.3V/C4.7V
Diode Configuration:
Independent
DC Reverse Voltage(Vr):
15V
Diode Capacitance:
3.8pF@4.7V,50MHz
Mfr. Part #:
SMV1251-079LF
Package:
SC-79
Product Description

Product Overview

The Skyworks SMV1247-SMV1255 series comprises silicon hyperabrupt junction varactor diodes specifically engineered for Voltage Controlled Oscillators (VCOs) requiring low tuning voltage operation. These varactors are characterized for capacitance and resistance across temperature, offering a high capacitance ratio of 12 typical (C0.3V/C4.7V). Designed for high-volume commercial systems, they are rated MSL1, 260 C per JEDEC J-STD-020, and are available as Skyworks Green products, compliant with applicable legislation and halogen-free.

Product Attributes

  • Brand: Skyworks Solutions, Inc.
  • Product Line: SMV1247-SMV1255 Series
  • Certifications: Skyworks Green, MSL1, 260 C per JEDEC J-STD-020
  • Compliance: Halogen-free

Technical Specifications

Model CT @ 0.3 V (pF) CT @ 4.7 V (pF) CT @ 1 V (pF) CT @ 3 V (pF) C0.3V/C4.7V (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 4.4 0.95 9.5 - 10.0 4.6 - 6.0 1500 SC-79, SOD-323, SOT-23, SOD-882 AH, H 0.7
SMV1248 15.0 - 17.0 1.5 - 1.70 12.3 2.60 10.8 - 12.0 4.7 - 3.3 700 SC-79, SOD-323, SOT-23, SOD-882 CH, H 1.5
SMV1249 28.0 - 31.0 2.6 - 2.80 18.2 3.40 11.0 - 12.1 5.3 - 2.2 600 SC-79, SOD-323, SOT-23, SOD-882 EH, EF, K 1.5
SMV1251 38.0 - 42.0 3.4 - 3.80 28.1 5.80 11.0 - 12.2 4.8 - 1.6 400 SC-79, SOD-323, SOT-23, SOD-882 FH, EH1 1.5
SMV1253 48.0 - 53.0 4.3 - 4.80 37.0 7.80 11.0 - 12.3 4.7 - 1.4 350 SC-79, SOD-323, SOT-23, SOD-882 GH, 3, EJ 0.45
SMV1255 58.0 - 64.0 5.2 - 5.80 43.3 8.50 11.0 - 12.3 5.1 - 1.3 350 SC-79, SOD-323, SOT-23, SOD-882 HH, EK, 4 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-SMV1251-079LF_C17696946.pdf
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