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| Variable Capacitance Diodes MA2Z357 Silicon epitaxial planar type Unit : mm For CATV tuner I Features * Large capacitance ratio * Small series resistance rD 0.4 0.15 INDICATES CATHODE 0.4 0.15 1 2 1.7 0.1 2.5 0.2 I Absolute Maximum Ratings Ta = 25C Parameter Reverse voltage (DC) Peak reverse voltage* Junction temperature Storage temperature Note) * : RL = 10 k Symbol VR VRM Tj Tstg Rating 34 35 150 -55 to +150 Unit V V C C 0.9 0.1 0 to 0.05 1 : Anode 2 : Cathode S-Mini Type Package (2-pin) Marking Symbol: 7K I Electrical Characteristics Ta = 25C Parameter Reverse current (DC) Diode capacitance Symbol IR CD(0V)*1 CD(2V) CD(25V) CD(10V) CD(17V) Capacitance ratio Diode capacitance deviation Series resistance*2 CD(2V)/CD(25V) C rD CD(2V)(10V)(17V)(25V) CD = 9 pF, f = 470 MHz VR = 30 V VR = 0 V, f = 1 MHz VR = 2 V, f = 1 MHz VR = 25 V, f = 1 MHz VR = 10 V, f = 1 MHz VR = 17 V, f = 1 MHz 58.0 29.00 2.53 6.40 3.50 11.0 2.0 0.54 34.30 2.92 8.32 4.35 Conditions Min Typ Max 10 Unit nA pF pF pF pF pF % Note) 1 Rated input/output frequency: 470 MHz 2 *1 : Measurement at Low Signal Level *2 : rf measuring instrument: YHP MODEL 4191A RF IMPEDANCE ANALYZER 0.16 - 0.06 + 0.1 0.3 - 0.05 + 0.1 1.25 0.1 1 MA2Z357 IF V F 120 - 40C 100 50 Variable Capacitance Diodes CD VR f = 1 MHz Ta = 25C 100 IR Ta 100 Diode capacitance CD (pF) Forward current IF (mA) Reverse current IR (A) 0 4 8 12 16 20 24 28 32 36 40 Ta = 60C 25C 30 20 10 80 60 10 1 40 5 3 2 0.1 20 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1 0.01 0 40 80 120 160 Forward voltage VF (V) Reverse voltage VR (V) Ambient temperature Ta (C) CD Ta 1.03 f = 1 MHz VR = 2 V 1.02 10 V 17 V 25 V CD(Ta) CD(Ta = 25C) 1.01 1.00 0.99 0.98 0.97 0 20 40 60 80 100 Secondary rank classification CD(17V) (pF) 3.52 3.57 3.62 3.68 3.73 3.79 3.85 3.90 3.96 4.02 4.08 4.14 4.21 4.27 4.33 Ambient temperature Ta (C) CD rank classification Primary rank classification CD(25V) (pF) 2.54 2.58 2.62 2.66 2.70 2.74 2.78 2.82 2.86 2.90 6.43 6.53 6.62 6.72 6.82 6.93 7.03 CD(10V) (pF) 14 13 12 11 10 9 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 29.15 11 29.59 10 30.03 9 30.48 8 30.94 7 31.40 6 31.87 5 32.35 4 32.84 3 33.33 2 33.83 1 34.13 987654321 Note: Tracking guarantee range (Capacitance deviation 2.0%) 7.14 7.24 7.35 7.46 7.57 7.69 7.80 7.92 8.04 8.16 8.28 2 CD(2V) (pF) |
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