SMV1770-079

The SMV1770-079 is a silicon hyperabrupt junction varactor diode specifically designed for battery operation.The specified high capacitance ratio and low Rs of this varactor make it hppropriate for low noise VCOs used at frequencies in wireless systems to beyond 2.5GHz.Applications include low noise and wideband UHF and VHF VCO for GSM,PCS,CDMA and analog phones.

Features of the SMV1770-079 are:(1)low series resistance;(2)high capacitance ratio;(3)ultra small size SC-79 package;(4)designed for high volume,low cost battery applications;(5)available in tape and reel packageing.

The absolute maximum ratings of the SMV1770-079 can be summarized as:(1):the characteristic is forward current,the symbol is IF,the rating is 20,the unit is mA;(2):the characteristic is power dissipation,the symbol is PD,the rating is 250,the unit is mW;(3):the characteristic is storage temperature,the symbol is TST,the rating is -55 to +150,the unit is ;(4):the characteristic is operating temperature,the symbol is Top,the rating is -55 to +125,the unit is .

The electrical specifications of the SMV1770-079 can be summarized as:(1):the characteristic is reverse current,the symbol is IR,the Max is 20.0,the unit is nA;(2):the characteristic is capacitance,the symbol is CT,the Min is 22.1,the Typ is 23.6,the Max is 25.1,the unit is pF;(3):the characteristic is capacitance,the symbol is CT,the Min is 7.7,the Typ is 8.6,the Max is 9.8,the unit is pF;(4):the characteristic is capacitance ratio,the symbol is CTR,the Min is 2.3,the Typ is 2.7;(5):the characteristic is series resistance,the symbol is Rs,the Typ is 0.4,the Max is 0.5,the unit is ;(6):the characteristic is breakdown voltage,the symbol is VBR,the Min is 12.0,the unit is V.