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| Band Switching Diodes MA2C858 Silicon epitaxial planar type Unit : mm For band switching 0.45 max. * Extra-small DHD envelope, allowing to insert into a 5 mm pitch hole. * Less voltage dependence of the terminal capacitance Ct * Low forward dynamic resistance rf * Optimum for a band switching of a tuner 0.2 max. I Absolute Maximum Ratings Ta = 25C Parameter Reverse voltage (DC) Forward current (DC) Operating ambient temperature Storage temperature Symbol VR IF Topr Tstg Rating 35 100 -25 to +85 -55 to +100 Unit V mA C C 2 1.75 max. 1 : Cathode 2 : Anode JEDEC : DO-34 I Electrical Characteristics Ta = 25C Parameter Reverse current (DC)* Symbol IR VF Ct rf VR = 33 V IF = 100 mA VR = 6 V, f = 1 MHz IF = 2 mA, f = 100 MHz Conditions Min Typ Max 100 1 1.2 0.9 Unit nA V pF Forward voltage (DC) Terminal capacitance Forward dynamic resistance Note) 1 Rated input/output frequency: 100 MHz 2 * : Measurement in light shielded condition I Cathode Indication Type No. Color 1st Band 2nd Band MA2C858 Yellow Yellow 13 min. 2.2 0.3 1st Band 2nd Band 0.2 max. 13 min. I Features COLORED BAND INDICATES CATHODE 1 1 MA2C858 IF V F 102 102 Band Switching Diodes IR V R 102 IR T a 10 Ta = 85C 10 Forward current IF (mA) Reverse current IR (nA) 10 Reverse current IR (nA) 1 1 VR = 25 V 10 V 1 10-1 10-1 10-1 10-2 Ta = 85C 25C 0 0.2 0.4 0.6 - 25C 0.8 1.0 25C 10-2 10-2 10-3 10-3 0 10 20 30 40 50 0 40 80 120 160 Forward voltage VF (V) Reverse voltage VR (V) Ambient temperature Ta (C) rf f 8 IF = 2 mA Ta = 25C 6 rf f Forward dynamic resistance rf () Forward dynamic resistance rf () IF = 3 mA Ta = 25C rf Tester: TDC-121A 1.2 rf f IF = 3 mA Ta = 25C rf Tester: TDC-121A Forward dynamic resistance rf () 5 1.0 6 4 0.8 4 3 0.6 2 0.4 2 1 0.2 0 1 3 10 30 100 300 1 000 0 1 3 10 30 100 300 1 000 0 10 30 100 300 1 000 3 000 10 000 Frequency f (MHz) Frequency f (MHz) Frequency f (MHz) rf IF 4 f = 100 MHz Ta = 25C 1.6 Ct VR f = 1 MHz Ta = 25C Forward dynamic resistance rf () 3 Terminal capacitance Ct (pF) 0.3 1 3 10 30 100 1.2 2 0.8 1 0.4 0 0.1 0 0 10 20 30 40 Forward current IF (mA) Reverse voltage VR (V) 2 |
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