BB179

UNISONIC TECHNOLOGIES CO., LTD BB179 Preliminary DIODE UHF VARIABLE CAPACITANCE DIODE „ DESCRIPTION 2 1 SOD-523 The UTC BB179 is a planar technology variable capacitance diode providing the designers excellent matching performance, low series resistance and great linearity. The UTC BB179 is suitable for VCO (Voltage Controlled Oscillators) and Electronic tuning in UHF (Very High Frequency) tuners. „ FEATURES * Excellent matching to 2% DMA * Low series resistance. * Great linearity * C28: 2.1 pF; ratio: 9 „ ORDERING INFORMATION Package SOD-523 Pin Assignment 1 2 A K Packing Tape Reel Ordering Number Lead Free Halogen Free BB179L-CC2-R BB179G-CC2-R Note: Pin Assignment: A: Anode, K: Cathode „ MARKING 79 G: Halogen Free L : Lead Free www.DataSheet4U.com www.unisonic.com.tw Copyright © 2011 Unisonic Technologies Co., Ltd 1 of 2 QW-R601-033.a BB179 „ Preliminary DIODE ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Continuous Reverse Voltage VR 30 V Peak Reverse Voltage (In series with a 10 kΩ resistor) VRM 35 V Continuous Forward Current IF 20 mA Storage Temperature TSTG -40~+150 °C Operating Junction Temperature TJ -40~+125 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. „ ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise specified.) PARAMETER SYMBOL IR rS Cd Cd(1V) Cd(2V) Cd(1V) Cd(28V) Cd(25V) ...