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| 1T399 Variable Capacitance Diode For the availability of this product, please contact the sales office. 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. 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 % Applications Electronic tuning of wide-band CATV tuners Structure Silicon epitaxial planar-type diode M-235 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 Diode capacitance Capacitance ratio Series resistance Capacitance deviation in a matching group Symbol IR C2 C25 C2/C25 C25/C28 rs C Conditions VR=28 V VR=2 V, f=1 MHz VR=25 V, f=1 MHz Min. 29.50 2.53 11.0 1.03 Typ. Max. 10 35.50 2.93 (Ta=25 C) Unit nA pF pF 11.7 0.75 2 % CD=14 pF, f=470 MHz VR=2 to 25 V, f=1 MHz 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-- E97454A82-TE 1T399 Example of Representative Characteristics Diode capacitance vs. Reverse voltage 100 Ta = 25C 50 Reverse current vs. Ambient temperature VR = 28V C - Diode capacitance (pF) 20 10 5 100 2 1 1 2 5 10 20 50 VR - Reverse voltage (V) IR - Reverse current (pA) 10 1 -20 0 20 40 60 80 Ta - Ambient temperature [C] Forward voltage vs. Ambient temperature 0.80 IF = 1mA 50 Reverse voltage vs. Ambient temperature IR = 10A VR - Reverse voltage (V) 0 20 40 60 80 VF - Forward voltage (V) 0.70 45 0.60 40 0.50 -20 35 -20 0 20 40 60 80 Ta - Ambient temperature (C) Ta - Ambient temperature (C) --2-- 1T399 Diode capacitance vs. Ambient temperature 1.03 VR = 1V VR = 2V C (Ta)/C (25C) - Diode capacitance 1.02 1.01 VR = 7V VR = 15V VR = 25V 1.00 0.99 0.98 -20 0 20 40 60 80 Ta - Ambient temperature (C) Reverse current vs. Reverse voltage 100 Ta = 80C Ta = 60C 1000 Temperature coefficient of diode capacitance Temperature coefficient (ppm/C) 500 Ta = 25C IR - Reverse current (pA) 10 200 100 50 1 1 2 5 10 20 50 VR - Reverse voltage (V) 0.1 1 3 10 30 VR - Reverse voltage (V) --3-- 1T399 Package Outline Unit : mm M-235 + 0.2 1.25 - 0.1 + 0.1 0.3 - 0.05 0.2 0.9 0.1 2 1.7 0.1 1 + 0.1 0.3 - 0.05 2.5 0.2 0 0.05 + 0.1 0.11 - 0.06 0 to 10 NOTE: Dimension "" does not include mold protrusion. SONY CODE EIAJ CODE JEDEC CODE M-235 PACKAGE WEIGHT 0.1g Marking CATHODE MARK 2 99 B Notes 1) B:Lot No.(Year and Month of manufacture) Year;Last one digit Month;A,B,C(for Oct. to Dec.) 1 to 9(for Jan.to Sept.) 1 --4-- This datasheet has been download from: www..com Datasheets for electronics components. |
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