Variable Capacitance Diodes MA2Z374 Silicon epitaxial planar type Unit : mm INDICATES CATHODE 2 +0.1 1 • S-mini type package, allowing downsizing of equipment and automatic insertion through the taping package 0.3−0.05 ■ Features 0.4 ± 0.15 1.7 ± 0.1 0.4 ± 0.15 1.25 ± 0.1 For CATV tuner 2.5 ± 0.2 Unit Reverse voltage (DC) VR 34 V Peak reverse voltage* VRM 35 V Junction temperature Tj 150 °C Storage temperature Tstg −55 to +150 °C + 0.1 Rating 0 to 0.05 Symbol 0.9 ± 0.1 Parameter 0.16 − 0.06 ■ Absolute Maximum Ratings Ta = 25°C 1 : Anode 2 : Cathode S-Mini Type Package (2-pin) Note) * : RL = 10 kΩ Marking Symbol: 7A ■ Electrical Characteristics Ta = 25°C Parameter Reverse current (DC) Diode capacitance Capacitance ratio Symbol IR CD(0V) Conditions Min VR = 30 V *1 Typ Max Unit 10 nA 50.79 pF VR = 0 V, f = 1 MHz 87 CD(2V) VR = 2 V, f = 1 MHz 44.00 CD(25V) VR = 25 V, f = 1 MHz 2.60 3.03 pF CD(10V) VR = 10 V, f = 1 MHz 8.80 13.08 pF CD(17V) VR = 17 V, f = 1 MHz 3.70 5.04 pF CD(2V)/CD(25V) pF 15.0 Diode capacitance deviation ∆C CD(2V)(10V)(17V)(25V) 2.0 % Series resistance*2 rD CD = 9 pF, f = 470 MHz 0.9 Ω 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 1 MA2Z374 Variable Capacitance Diodes CD VR Forward current IF (mA) Diode capacitance CD (pF) 30 20 10 5 3 120 1.03 100 1.02 80 Ta = 60°C − 40°C 25°C 60 CD(Ta) CD(Ta = 25°C) f = 1 MHz Ta = 25°C 50 40 0 4 0 8 12 16 20 24 28 32 36 40 f = 1 MHz VR = 2 V 1.01 10 V 17 V 25 V 1.00 0.99 20 2 1 CD Ta IF V F 100 0.98 0 0.2 0.4 0.6 0.8 1.0 0.97 1.2 Forward voltage VF (V) Reverse voltage VR (V) 0 20 40 60 80 100 Ambient temperature Ta (°C) IR T a Reverse current IR (nA) 100 10 1 0.1 0.01 0 40 80 120 160 200 Ambient temperature Ta (°C) CD rank classification Primary rank classification Secondary rank classification CD(17V) (pF) 44.88 CD(2V) (pF) 45.55 46.23 46.92 47.62 48.33 49.05 49.79 50.54 2 10 9 9 7 6 5 4 3 2 3.72 3.78 3.84 3.90 3.96 4.02 4.08 4.14 4.20 4.26 4.32 4.38 4.45 4.52 4.59 4.66 4.73 4.80 4.87 4.94 5.01 3.01 2.97 2.93 2.89 2.85 2.81 2.77 2.73 2.69 8 1 Tracking guarantee range (Capacitance deviation 2.0%) 8 7 6 5 4 3 2 1 CD(10V) (pF) 44.22 2.65 2.61 CD(25V) (pF) 8.84 8.97 9.10 9.24 9.38 9.52 9.66 9.80 9.95 10.10 10.25 10.40 10.58 10.72 10.88 11.04 11.21 11.38 11.55 11.72 11.90 12.08 12.28 12.44 12.63 12.82 13.01 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1