1T402

1T402 Variable Capacitance Diode Description The 1T402 is a variable capacitance diode designed for electronic tuning of UHF TV tuners using a super-small-miniature flat package (SSVC). Features Super-small-miniature flat package Low series resistance: 0.65 Ω Max. (f=470 MHz) Large capacitance ratio: 6.5 Typ. (C2/C25) Small leakage current: 10 nA Max. (VR=28 V) Capacitance deviation in a matching group: within 2 % Applications Electronic tuning of TV and CATV tuners Structure Silicon epitaxial planar type diode M-290 Absolute Maximum Ratings (Ta=25 °C) Reverse voltage VR 30 V Peak reverse voltage VRM 35 V (RL≥10 kΩ) Operating temperature Topr –20 to +75 °C Storage temperature Tstg –65 to +150 °C Electrical Characteristics Item Reverse current Diode capacitance Capacitance ratio Series resistance Capacitance deviation in a matching group Symbol IR C2 C25 C2/C25 rs ∆C Conditions VR=28 V VR=2 V, f=1 MHz VR=25 V, f=1 MHz CD=14 pF, f=470 MHz VR=2 to 25 V, f=1 MHz Min. Typ. Max. 10 16.29 2.35 6.5 0.57 0.65 2 (Ta=25 °C) Unit nA pF pF Ω % 13.97 2.06 Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. —1— E95915-TE 1T402 Diode c...