SR220 thru SR2100 Axial Lead Schottky Barrier Rectifiers P b Lead(Pb)-Free Features: * Low forward voltage drop. * High current capability. * High reliability. * High surge current capability. * Epitaxial construction. GENERAL PURPOSE RECTIFIERS 2.0 AMPERES 20-100 VOLTS Mechanical Data: DO-41 * Case: Molded plastic. * Epoxy: UL 94V-0 rate flame retardant. * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed. * Polarity: Color band denotes cathode end. * Mounting position: Any. * Weight: 0.34 grams. DO-41 Outline Dimensions Axial Device (Through-Hole) WEITRON http://www.weitron.com.tw 1/3 31-Jan-07 SR220 thru SR2100 Maximum Rating Characteristic Symbol SR220 SR230 SR240 SR250 SR260 SR280 SR2100 Uuits Maximum repetitive peak reverse voltage VRRM 20 30 40 50 60 80 100 V Maximum RMS voltage VRMS 14 21 28 35 42 56 70 V Maximum DC blocking voltage VDC 20 30 50 50 60 80 100 V Maximum average forward rectified current IAV 2.0 A Peak forward surge current 8.3mS single half sine-wave superimposed on rated load IFSM 50 A Typical thermal resistance1 RθJA 35 °C/W TJ -55 to +125 °C TSTG -65 to +150 °C Symbol SR220 SR230 SR240 SR250 SR260 SR280 SR2100 Uuits Operating junction temperature range storage temperature range Electrical Characteristic Characteristic Maximum Instanatneous Forward Voltage IF=2.0A VF Maximum DC Reverse Current Rated DC Blocking Voltage, TA=25°C TA=100°C IR 2.0 20 mA Typical Junction Capacitance CP 170 pF 0.55 0.70 0.85 V Notes 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance Junction to Ambient Vertical PC Board Mounting 0.5”(12.7mm) Lead Length. WEITRON http://www.weitron.com.tw 2/3 31-Jan-07 SR220 thru SR2100 2.4 2.0 50 50 1 R2 4 R2 ~S ~S 20 0 00 0.8 0.4 0 0 20 40 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE,(°C) PEAK FORWARD SURGE CURRENT,(A) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 50 3.0 1.0 Tj=25 C Pulse Width 300us 1% Duty Cycle 0.1 40 0.01 0.1 30 0.3 0.5 0.7 0.9 1.1 1.3 1.5 FORWARD VOLTAGE,(V) 8.3ms Single Half Tj=25 C FIG.2-TYPICAL FORWARD Sine Wave 20 JEDEC method 10 0 1 50 105 100 100 NUMBER OF CYCLES AT 60Hz REVERSE LEAKAGE CURRENT, (mA) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 700 JUNCTION CAPACITANCE,(pF) 10 SR 22 SR 0~ SR 25 0~ 24 SR SR 0 28 26 0~ 0 SR 21 00 2 SR 1.2 INSTANTANEOUS FORWARD CURRENT,(A) 1.6 2 SR AVERAGE FORWARD CURRENT,(A) Ratings and Characteristics Curves 600 500 400 300 200 10 1.0 Tj=75 C .1 Tj=25 C 100 0 0.01 0.05 0.1 0.5 1 5 10 50 100 .01 0 20 40 60 80 100 120 140 REVERSE VOLTAGE,(V) PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FIG.4-TYPICAL JUNCTION CAPACITANCE FIG.5 - TYPICAL REVERSE CHARACTERISTICS WEITRON http://www.weitron.com.tw 3/3 31-Jan-07