1T405A General Description
The 1T405A is a variable capacitance diode designed for electronic tuning of wide-band CATV tuners using a super-small-miniature flat package (SSVC). High capacitance ratio (C25/C28) is improved to support guard band.
1T405A Maximum Ratings
• Reverse voltage VR 34 V
• Operating temperature Topr 20 to +75 °C
• Storage temperature Tstg 65 to +150 °C
1T405A Features
• Super-small-miniature flat package
• Low series resistance 0.85 Max. (f=470 MHz)
• Large capacitance ratio 12.5 Typ. (C2/C25)
1.03 Min. (C25/C28)
• Small leakage current 10 nA Max. (VR=28 V)
• Capacitance deviation within 2 %
1T405A Typical Application
Electronic tuning of VHF band and wide-band CATV tuners
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