1T399 General Description
The 1T399 is a variable capacitance diode designed for the electronic tuning of wide-band CATV tuners, and it has a super miniature package.
1T399 Maximum Ratings
• Reverse voltage VR 34 V
• Operating temperature Topr 20 to +75 °C
• Storage temperature Tstg 65 to +150 °C
1T399 Features
• Super miniature package
• Small series resistance 0.75 Max. (f=470 MHz)
• Large capacitance ratio 11.7 Typ. (C2/C25)
18.0 Typ. (C1/C28)
• Small leak current 10 nA Max. (VR=28 V)
• Capacitance deviation in a matching group:
within 2 %
1T399 Typical Application
Electronic tuning of wide-band CATV tuners
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