SD103A - SD103C SCHOTTKY BARRIER DIODES DO - 35 Glass (DO-204AH) FEATURES : • For general purpose applications • The SD103 series is a Metal-on-silicon Schottky barrier device which is protected by a PN junction guard ring. • The low forward voltage drop and fast switching make it ideal for protection of MOS devices, steering, biasing and coupling diodes for fast switching and low logic level applications. • Other applications are click suppression, efficient full wave bridges in telephone subsets, and blocking diodes in rechargeable low voltage battery systems. • These diodes are also available in the MiniMELF case with type designations LL103A thru LL103C. • Pb / RoHS Free 1.00 (25.4) min. 0.079(2.0 )max. 0.150 (3.8) max. Cathode Mark 1.00 (25.4) min. 0.020 (0.52)max. MECHANICAL DATA : Dimensions in inches and ( millimeters ) Case: DO-35 Glass Case Weight: approx. 0.13g Maximum Ratings and Thermal Characteristics (Rating at Parameter 25 °C ambient temperature unless otherwise specified.) Symbol Value SD103A Repetitive Peak Reverse Voltage SD103B Unit 40 VRRM V 30 SD103C 20 Single Cycle Surge 60 Hz Sine Wave IFSM 15 A Power Dissipation (Infinite Heatsink) PD 400(1) mW RθJA 0.3(1) °C/mW Thermal Resistance Junction to Ambient Air Junction Temperature TJ Storage temperature range TS 125 °C (1) °C -55 to + 150 (1) Note: (1) Valid provided that leads at a distance of 4mm from case are kept at ambient temperature. Electrical Characteristics (TJ = 25°C unless otherwise noted) Parameter Reverse Current Symbol SD103A SD103B SD103C IR Forward Voltage Drop VF Junction Capacitance Ctot Reverse Recovery Time Trr Page 1 of 2 Test Condition Min Typ Max VR = 30 V VR = 20 V VR = 10 V IF = 20mA IF = 200mA VR = 0 V, f = 1MHz IF = IR = 50mA to 200mA recover to 0.1IR - 50 5 5 5 0.37 0.6 - - 10 - Unit µA V pF ns Rev. 02 : March 24, 2005 RATING AND CHARACTERISTIC CURVES ( SD103A - SD103C ) 10 3 10 2 Typical high current forward conduction curve tp = 300ms , duty cycle = 2% 5 Forward Current , IF (A) Forward Current , IF (mA) Typical variation of forward current and forward voltage for primary conduction through the schottky barrier 10 1 4 3 2 1 10-1 10-2 0 0 0.5 1 0.5 0 Forward Voltage , VF (V) 1 1.5 Forward Voltage , VF (V) Blocking voltage deration versus temperature at various average forward currents Typical variation of reverse current at various temperatures 103 50 Ta =125°C 40 Reverse Current , IR (µA) Reverse Voltage , VR (V) 100 mA 30 200 mA IF=400 mA 20 10 1 10 25°C 10-1 0 0 100 Ambient Temperature, Ta (°C) Page 1 of 2 102 200 0 10 20 30 40 50 Reverse Voltage , VR (V) Rev. 02 : March 24, 2005