1SS198 Silicon Schottky Barrier Diode for Various Detector, High Speed Switching ADE-208-298A (Z) Rev. 1 Oct. 1998 Features • Detection efficiency is very good. • Small temperature coefficient. • Small glass package (MHD) enables easy mounting and high reliability. Ordering Information Type No. Cathode Mark Package Code 1SS198 Green 2 MHD 2 Outline 2 1 Cathode band 1. Cathode 2. Anode 1SS198 Absolute Maximum Ratings (Ta = 25°C) Item Symbol Value Unit Reverse voltage VR 10 V Average rectified current IO 30 mA Junction temperature Tj 125 °C Storage temperature Tstg –55 to +125 °C Electrical Characteristics (Ta = 25°C) Item Symbol Min Typ Max Unit Test Condition Forward current IF 4.5 — — mA VF = 1V Reverse current IR — — 70 µA VR = 6V Capacitance C — — 1.5 pF VR = 1V, f = 1MHz Rectifier efficiency η 70 — — % Vin = 2Vrms, f = 40MHz, RL = 5kΩ, CL = 20pF — 100 — — V C = 200pF, Both forward and reverse direction 1 pulse. ESD-Capability Notes: 1. 2 *1 Failure Criterion ; IR ≥ 140µA at V R = 6V 1SS198 Main Characteristic -1 10 10 -2 Reverse current I R (A) Forward current I F (A) 10 -3 10 -4 10 -2 -3 -4 10 -5 10 10 -5 -6 10 0 0.4 0.8 1.2 1.6 2.0 10 0 2 Forward voltage V F (V) 4 8 6 Reverse voltage V R (V) 10 Fig.2 Reverse current Vs. Reverse voltage Fig.1 Forward current Vs. Forward voltage 100 f=1MHz Rectifier efficiency η (%) Capacitance C (pF) 10 1.0 80 60 40 20 -1 10 10-1 0 1.0 Reverse voltage V R (V) 10 Fig.3 Capacitance Vs. Reverse voltage 0 0.5 1.0 1.5 2.0 2.5 3.0 Input voltage Vin (Vrms) Fig.4 Rectifier efficiency Vs. Input voltage 3 1SS198 Package Dimensions 2.4 Max 26.0 Min 1 φ 0.4 2 φ 2.0 26.0 Min 2 1. Cathode 2. Anode Cathode band (Green) Hitachi Code JEDECCode EIAJCode Weight(g) 4 MHD DO-34 — 0.084 Cautions 1. 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