SD103A THRU SD103C DC COMPONENTS CO., LTD. R RECTIFIER SPECIALISTS TECHNICAL SPECIFICATIONS OF SMALL SIGNAL SCHOTTKY BARRIER DIODES VOLTAGE RANGE - 20 to 40 Volts CURRENT - 0.35 Ampere FEATURES * * * * For general purpose applications Low turn-on voltage Fast switching time Protected by a PN junction guard ring against excessive voltage, such as electrostatic discharge(ESD) DO-35 MECHANICAL DATA * * * * * 1.0(25.4) MIN. Case: Glass sealed case Lead: MIL-STD-202E, Method 208 guaranteed Polarity: Color band denotes cathode end Mounting position: Any Weight: 0.13 gram .020 TYP. (0.5) .165(4.2) MAX. .079 MAX. (2.0) 1.0(25.4) MIN. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) SYMBOL SD103A SD103B SD103C UNITS Maximum Recurrent Peak Reverse Voltage VRRM 40 30 20 Volts Maximum RMS Voltage VRMS 28 21 14 Volts VDC 40 30 20 Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at T A=25 o C IO Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum Instantaneous Forward Voltage @ IF=0.2A @ IF=0.02A Maximum DC Reverse Current I FSM IR Amps 2.0 Amps 0.6 VF Volts 0.37 5.0 @ VR=30V 5.0 @ VR=20V R θJA 300 Typical Junction Capacitance (Note 2) CJ 50 Storage Operating Temperature Range T J , T STG -55 to + 125 Typical Thermal Resistance (Note1) Note: 1. Leads maintained at specified ambient temperature at a distance of 4.0mm from case. 2. Measured at 1 MHz and applied reverse voltage of 0 volts. Volts 0.35 5.0 @ VR=10V µAmps 0 C/ W pF 0 C RATING AND CHARACTERISTIC CURVES (SD103A THRU SD103C) FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 20 40 60 80 100 120 AMBIENT LEAD TEMPERATURE, (oC) o o TJ= 100 C 0.01 o TJ= 25 C 0.001 0 FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 0.2 0.3 0.4 0.5 FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 10000 REVERSE CURRENT, (µA) 10 o TJ= 25 C 1 0.1 o TJ= 100 C 1000 o TJ= 75 C 100 0 5 10 15 20 0 25 5 REVERSE VOLTAGE, (V) 10 FIG. 5 - TYPICAL JUNCTION CAPACITANCE 10 1 0 10 20 30 REVERSE VOLTAGE, (V) DC COMPONENTS CO., LTD. R 15 20 REVERSE VOLTAGE, (V) 100 JUNCTION CAPACITANCE, (pF) REVERSE CURRENT, (µA) 0.1 INSTANTANEOUS FORWARD VOLTAGE, (V) 100 0.01 TJ= 75 C 0.1 40 25