Variable Capacitance Diode
1T405
Variable Capacitance Diode For the availability of this product, please contact the sales office.
Description The ...
Description
1T405
Variable Capacitance Diode For the availability of this product, please contact the sales office.
Description The 1T405 is a variable capacitance diode designed for electronic tuning of wide-band CATV tuners using a super-small-miniature flat package (SSVC). Features Super-small-miniature flat package Low series resistance: 0.85 Ω Max. (f=470 MHz) Large capacitance ratio: 12.5 Typ. (C2/C25) Small leakage current: 10 nA Max. (VR=28 V) Capacitance deviation in a matching group: within 2% Applications Electronic tuning of UHF and wide-band CATV tuners Structure Silicon epitaxial planar type diode M-290
Absolute Maximum Ratings (Ta=25 °C) Reverse voltage VR 34 Operating temperature Topr –20 to +75 Storage temperature Tstg –65 to +150
V °C °C
Electrical Characteristics Item Reverse current Reverse voltage Diode capacitance Capacitance ratio Series resistance Capacitance deviation in a matching group Symbol IR VR C2 C25 C2/C25 rs ∆C Conditions VR=28 V IR=1 µA 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 34 32.96 2.53 12.0 38.96 2.96 12.5 0.85 2
(Ta=25 °C) Unit nA V pF pF Ω %
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