SMV1272-079LF Buy Now
Hyperabrupt Junction Tuning Varactor

The SMV1272-079LF is a silicon hyperabrupt junction varactor diode specifically designed for battery operation. The specified high-capacitance ratio and low-series resistance make this varactor appropriate for low phase-noise Voltage-Controlled Oscillators (VCOs) used at frequencies in wireless systems up to and above 2.5 GHz.

Applications for the SMV1272-079LF include low-noise and wideband UHF and VHF VCOs for GSM, PCS, CDMA, and analog phones. Table 1 describes the packaging and marking of the SMV1272-079LF varactor.

Features

  • Cross to Renesas HVC350B
  • Low-series resistance
  • High-capacitance ratio
  • Ultrasmall SC-79 package (MSL1, 260 °C per JEDEC J-STD-020)
Data Sheets SMV1272-079LF: Hyperabrupt Junction Tuning Varactor SMV1272_079LF_202934B.pdf (418 KB)
ProductName : SMV1272-079LF
Package Type : SC-79
Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min. : 15
Ct Total Capacitance3 Vr=1 V (pF) Typ. : 16.21
Ct Total Capacitance3 Vr=4 V (pF) Typ. : 5.6
Ct Total Capacitance3 Vr=8 V (pF) Typ. : 4.04
Ct Total Capacitance3 Vr=12 V (pF) Typ. : 3.78
Ct Total Capacitance3 Vr=20 V (pF) Typ. : 3.62
Total Capacitance Ratio Min.1 : 2.8
Capacitance Ratio Range (V) : 1 to 4
Rs Series Resistance Max2 (Ω) : 0.5
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