Band Switching Diodes MA4X862 Silicon epitaxial planar type Unit : mm + 0.2 2.8 − 0.3 + 0.25 0.65 ± 0.15 + 0.1 1.5 − 0.05 0.4 − 0.05 1.45 0.65 ± 0.15 0.5 R 35 V IF 100 mA 75 mA/Unit Operating ambient temperature Topr −25 to +85 °C Storage temperature Tstg −55 to +100 °C (DC) Double 0.5 0.95 0.4 − 0.05 + 0.1 0.6 − 0 + 0.1 0.16 − 0.06 VR Single 2 0.2 Unit Forward current 3 0.1 to 0.3 0.4 ± 0.2 0 to 0.1 Rating Reverse voltage (DC) 1 0.8 Symbol 1.1 − 0.1 + 0.2 ■ Absolute Maximum Ratings Ta = 25°C Parameter 4 0.95 + 0.2 2.9 − 0.05 • Two electrically isolated elements incorporated • Small diode capacitance CD • Low forward dynamic resistance rf • Optimum for a band switching of a tuner 1.9 ± 0.2 ■ Features + 0.1 For band switching 1 : Cathode 1 2 : Cathode 2 3 : Anode 2 4 : Anode 1 Mini Type Package (4-pin) Marking Symbol: M1I Internal Connection 4 1 3 2 ■ Electrical Characteristics Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Reverse current (DC) IR VR = 33 V 100 nA Forward voltage (DC) VF IF = 100 mA 1.0 V Diode capacitance CD VR = 6 V, f = 1 MHz 1.2 pF Forward dynamic resistance rf1*1 IF = 2 mA, f = 100 MHz 0.65 Ω 0.98 Ω rf2 *2 Note) 1.Rated input/output frequency: 100 MHz 2.*1 : rf measuring instrument: Nihon Koshuha Model TDC-121A *2 : rf measuring instrument: YHP 4191A RF IMPEDANCE ANALYZER 1 MA4X862 Band Switching Diodes IF VF (Between 1 − 4) Forward current IF (mA) Forward current IF (mA) 1 10−1 Ta = 85°C 10−2 1 30 4 3 10 IR VR (Between 1 − 4) IF VF (Between 2 − 3) 100 1 2 − 20°C 100 2 4 3 10 Reverse current IR (pA) 102 Ta = 85°C 3 25°C 50°C 1 0.3 − 20°C 0.1 0.4 0.6 0.8 1.0 0.01 1.2 0.2 0.4 1 0.3 0.1 Forward dynamic resistance rf (Ω) 10 1 2 4 3 3 1 0.3 0.1 0.03 0 10 20 30 40 50 10 0.4 10 20 2 2 3 5 10 30 Forward current IF (mA) 100 50 60 20 30 50 8 IF = 2 mA Ta = 25°C rf Tester: TDC-121A 6 4 2 0 100 1 3 10 30 100 Frequency f (MHz) CD VR 1.6 f = 1 000 MHz Ta = 25°C rf Tester: YHP4191A 2.8 2.4 2.0 1.6 1.2 0.8 f = 1 MHz Ta = 25°C 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.4 0 0.1 40 rf f 4 1 30 Reverse voltage VR (V) 3.2 Forward dynamic resistance rf (Ω) 0.8 3 10 rf IF 1.2 1 0 Frequency f (MHz) f = 1 000 MHz Ta = 25°C rf Tester: TDC-121A 0.3 1.2 6 0 60 1.6 0 0.1 1.0 8 rf IF 2.0 0.8 IF = 2 mA Ta = 25°C rf Tester: YHP4191A Reverse voltage VR (V) 2.4 0.6 rf f 12 Ta = 25°C 30 Reverse current IR (pA) 3 Forward voltage VF (V) IR VR (Between 2 − 3) Forward dynamic resistance rf (Ω) 4 3 0.01 0 Forward dynamic resistance rf (Ω) 0.2 Diode capacitance CD (pF) 0 100 2 10 0.03 Forward voltage VF (V) 0.01 1 2 50°C 25°C 0.03 10−3 Ta = 25°C 30 0 0.3 1 3 10 30 Forward current IF (mA) 100 0 10 20 30 40 Reverse voltage VR (V) 50 Band Switching Diodes MA4X862 IF(surge) tW Forward surge current IF(surge) (A) 1 000 Ta = 25°C 300 100 30 10 3 1 0.3 0.1 0.03 0.1 0.3 1 3 10 30 Pulse width tW (ms) 3