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1T404A

Sony Corporation
Part Number 1T404A
Manufacturer Sony Corporation
Description Variable Capacitance Diode
Published Mar 23, 2005
Detailed Description 1T404A Variable Capacitance Diode Description The 1T404A is a variable capacitance diode designed for electronic tuning ...
Datasheet PDF File 1T404A PDF File

1T404A
1T404A

Overview
1T404A Variable Capacitance Diode Description The 1T404A 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.
75Ω Max.
(f = 470MHz) • Large capacitance ratio 11.
5 Typ.
(C2/C25) • Small leakage current 10nA Max.
(VR = 28V) • Capacitance deviation in a matching group within 2% Applications Electronic tuning of 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 voltage Reverse current Diode capacitance Symbol VR IR C2 C25 C2/C25 C25/C28 rs ∆C CD = 14pF, f = 470MHz VR = 2 to 25V, f = 1MHz Conditions IR = 1µA VR = 28V VR = 2V, f = 1MHz VR = 25V, f = 1MHz 29.
5 2.
60 11.
0 11.
5 1.
03 Min.
34.
0 (Ta = 25°C) Typ.
Max.
Unit V 10.
0 33.
5 2.
90 nA pF pF Capacitance ratio Series resistance Capacitance deviation in a matching group 0.
75 2.
0 Ω % 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– E99805-PS 1T404A Diode capacitance vs.
Reverse voltage 100 Ta = 25°C 50 Reverse current vs.
Ambient temperature VR = 28V 100 C – Diode capacitance [pF] 10 5 IR – Reverse current [pA] 1 2 5 10 20 50 100 VR – Reverse voltage [V] 20 10 2 1 1 –20 0 20 40 60 80 Ta – Ambient temperature [°C] Forward voltage vs.
Ambient temperature 0.
80 50 Reverse voltage vs.
Ambient temperature VR – Reverse voltage [V] IR = 10µA 45 VF – Forward voltage [V] IF = 1mA 0.
70 0.
60 40 0.
50 –20...


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