Schottky Barrier Rectifier COMCHIP www.comchiptech.com 1N5817 thru 1N5819 Reverse Voltage: 20 to 40V Forward Current: 1.0A DO-41 Features - Plastic package has Underwriters Laboratory Flammability Classification 94V-0 - Low power loss, high efficiency - For use in low voltage high frequency inverters, free wheeling, and polarity protection applications - Guardring for overvoltage protection 1.0 (25.4) Min. 0.107 (2.7) 0.080 (2.0) Dia. Mechanical Data 0.205 (5.2) 0.160 (4.1) - Case: JEDEC DO-41 molded plastic body - Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 - High temperature soldering guaranteed: 250°C/10 seconds 0.375” (9.5mm) lead length, 5lbs. (2.3kg) tension - Polarity: Color band denotes cathode end - Mounting Position: Any - Weight: 0.34 g 1.0 (25.4) Min. 0.034 (0.86) 0.028 (0.71) Dia. Dimensions in inches and (millimeters) Maximum Ratings and Thermal Characteristics (TA = 25°C unless otherwise noted) Parameter Symbol 1N5817 1N5818 1N5819 Unit VRRM 20 30 40 V VRMS 14 21 28 V VDC 20 30 40 V * Maximum non-repetitive peak reverse voltage VRSM 24 36 48 V * Maximum average forward rectified current 0.375" (9.5mm) lead length at TL=90°C IF(AV) 1.0 A * Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) at TL=70°C IFSM 25 A Typical thermal resistance – junction-to-ambient (glass) (Note 2) – junction-to-ambient (plastic) – junction-to-lead (plastic) RΘJA RΘJA RΘJL 130 50 15 °C/W TJ, TSTG –65 to +125 °C * Maximum repetitive peak reverse voltage Maximum RMS voltage * Maximum DC blocking voltage *Storage temperature range Electrical Characteristics (TA = 25°C unless otherwise noted) Parameter Symbol 1N5817 1N5818 1N5819 Unit * Maximum instantaneous forward voltage at 1.0 (Note 1) VF 0.450 0.550 0.600 V * Maximum instantaneous forward voltage at 3.1 (Note 1) VF 0.750 0.875 0.900 V * Maximum average reverse current at rated DC blocking voltage (Note 1) TA = 25°C TA = 100°C Typical junction capacitance at 4.0V, 1.0MHz IR 1.0 10 mA CJ 110 pF *JEDEC registered values Notes: (1) Pulse test: 300µs pulse width, 1% duty cycle (2) Thermal resistance from junction to lead vertical P.C.B. mounted, 0.375" (9.5mm) lead length with 1.5 x 1.5” (38 x 38mm) copper pads MDS0309002A Page 1 Schottky Barrier Rectifier COMCHIP www.comchiptech.com Ratings and Characteristic Curves (TA = 25°C unless otherwise noted) Fig. 2 - Maximum Non-Repetitive Peak Forward Surge Current Fig. 1 - Forward Current Derating Curve Average Forward Current (A) Resistive or Inductive Load 0.375" (9.5mm) Lead Length 0.75 0.5 0.25 0 Peak Forward Surge Current (A) 30 1.0 25 20 15 10 5 0 20 0 40 60 80 100 120 Number of Cycles at 60 HZ Case Temperature (°C) Fig. 3 - Typical Instantaneous Forward Characteristics Fig. 4 - Typical Reverse Characteristics 100 TJ = 125°C 10 Pulse Width = 300µs 1% Duty Cycle 1.0 TJ = 25°C 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Instantaneous Reverse Current (mA) Instantaneous Forward Current (A) 50 10 TJ = 125°C 1.0 0.1 1.6 TJ = 75°C 0.01 TJ = 25°C 0.001 0 20 40 60 80 Instantaneous Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%) Fig. 5 - Typical Junction Capacitance Fig. 6 - Typical Transient Thermal Impedance Transient Thermal Impedance (°C/W) TJ = 25°C f = 1.0 MHZ Vsig = 50mVp-p 100 10 0.1 1 10 Reverse Voltage (V) MDS0309002A 100 100 400 Junction Capacitance (pF) 100 10 1 140 100 10 1 0.1 0.01 0.1 1 10 100 t — Pulse Duration (sec.) Page 2