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1T405A

Sony Corporation
Part Number 1T405A
Manufacturer Sony Corporation
Description Variable Capacitance Diode
Published Mar 23, 2005
Detailed Description 1T405A Variable Capacitance Diode Description The 1T405A is a variable capacitance diode designed for electronic tuning ...
Datasheet PDF File 1T405A PDF File

1T405A
1T405A

Overview
1T405A Variable Capacitance Diode 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.
Features • Super-small-miniature flat package • Low series resistance 0.
85 Ω Max.
• Large capacitance ratio 12.
5 Typ.
1.
03 Min.
• Small leakage current 10 nA Max.
• Capacitance deviation within 2 % M-290 (f=470 MHz) (C2/C25) (C25/C28) (VR=28 V) 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 Applications Electronic tuning of VHF band and wide-band CATV tuners Structure Silicon epitaxial planar type diode 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 C25/C28 rs ∆C Conditions VR=28 V IR=1 µA VR=2 V, f=1 MHz VR=25 V, f=1 MHz Min.
34 32.
96 2.
53 12.
0 1.
03 Typ.
Max.
10 38.
96 2.
96 12.
5 0.
85 2 (Ta=25 °C) Unit nA V pF pF CD=14 pF, f=470 MHz VR=2 to 25 V, f=1 MHz Ω % The continuous 20 pieces of ∆C are guaranteed.
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— E97109-TE 1T405A Diode capacitance vs.
Reverse voltage 100 Ta=25°C, f=1MHz 50 1000 Reverse current vs.
Ambient temperature VR=28V C-Diode capacitance (pF) 20 5 2 1 IR-Reverse current (pA) 1 2 5 10 20 VR-Reverse voltage (V) 50 100 10 100 10 1 –20 0 20 40 60 Ta-Ambient temperature (°C) 80 Reverse current vs.
Reverse voltage 10000.
00 1000.
00 IR-Reverse current (p...


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