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| Variable Capacitance Diodes MA2X338 Silicon epitaxial planar type For CATV tuner I Features * Large capacitance ratio * Small series resistance rD, resulting in obtaining high performance index, Q of a circuit 5 1.6 - 0.1 + 0.2 INDICATES CATHODE Unit : mm 1 2 2.7 - 0.1 3.3 0.2 *(3.8 0.2) + 0.2 1.1 - 0.1 I Absolute Maximum Ratings Ta = 25C Parameter Reverse voltage (DC) Peak reverse voltage* Forward current (DC) Junction temperature Storage temperature Note) * : RL = 10 k Symbol VR VRM IF Tj Tstg Rating 34 35 20 150 -55 to +150 Unit V V mA C C + 0.2 0.3 0 to 0.05 5 *( ): WL type 1 : Anode 2 : Cathode Mini Type Package (2-pin) Marking Symbol: 6H I Electrical Characteristics Ta = 25C Parameter Reverse current (DC) Diode capacitance Symbol IR CD(2V) CD(25V) CD(10V) CD(17V) Capacitance ratio Diode capacitance deviation Series resistance* CD(2V)/CD(25V) C rD CD(2V)(10V)(17V)(25V) CD = 9 pF, f = 470 MHz VR = 30 V VR = 2 V, f = 1 MHz VR = 25 V, f = 1 MHz VR = 10 V, f = 1 MHz VR = 17 V, f = 1 MHz 27.13 2.60 7.05 3.48 10 2.5 0.63 Conditions Min Typ Max 10 32.15 3.15 9.97 4.74 Unit nA pF pF pF pF % Note) 1 Rated input/output frequency: 470 MHz 2 * : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER 0.16 - 0.03 + 0.1 0.55 0.1 1 MA2X338 CD VR 100 f = 1 MHz Ta = 25C Variable Capacitance Diodes IF V F 120 1.03 CD Ta f = 1 MHz 50 100 1.02 VR = 2 V Diode capacitance CD (pF) 30 20 Forward current IF (mA) CD(Ta) CD(Ta = 25C) 80 Ta = 60C 25C - 40C 1.01 10 V 17 V 25 V 10 60 1.00 5 3 2 40 0.99 20 0.98 1 0 4 8 12 16 20 24 28 32 36 40 0 0 0.2 0.4 0.6 0.8 1.0 1.2 0.97 0 20 40 60 80 100 Reverse voltage VR (V) Forward voltage VF (V) Ambient temperature Ta (C) IR Ta 100 VR = 30 V Reverse current IR (nA) 10 1 0.1 0.01 0 20 40 60 80 100 120 140 160 180 200 Ambient temperature Ta (C) CD rank classification Primary rank classification CD(25V) (pF) 2.62 2.67 2.72 2.77 2.83 2.89 2.95 3.01 3.07 3.13 Secondary rank classification CD(17V) (pF) 2 CD(2V) (pF) CD(10V) (pF) 27.27 27.82 28.38 28.95 29.53 30.13 30.74 31.36 31.99 8 7 6 5 4 3 2 1 987654321 Note: Tracking guarantee range (Capacitance deviation 2.5%) 7.09 7.23 7.37 7.52 7.67 7.82 7.98 8.14 8.30 8.47 8.64 8.81 8.99 9.17 9.35 9.54 9.73 9.92 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 3.50 3.57 3.64 3.71 3.78 3.86 3.94 4.02 4.10 4.18 4.26 4.35 4.44 4.53 4.62 4.71 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 |
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