SR250

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: * 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 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 Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current Peak forward surge current 8.3mS single half sine-wave superimposed on rated load Typical thermal resistance1 Operating junction temperature range storage temperature range Symbol VRRM VRMS VDC IAV IFSM RθJA TJ TSTG SR220 SR230 SR240 SR250 SR260 SR280 SR2100 Uuits V V V A 20 14 20 30 21 30 40 28 50 50 35 50 2.0 60 42 60 80 56 80 100 70 100 50 35 -55 to +125 -65 to +150 A °C/W °C °C Electrical Characteristic Characteristic Maximum Instanatneous Forward Voltage IF=2.0A Maximum DC Reverse Current Rated DC Blocking Voltage, TA=25°C TA=100°C Typical Junction Capacitance Symbol VF IR CP SR220 SR230 SR240 SR250 SR260 SR280 SR2100 Uuits V 0.55 0.70 2.0 20 170 0.85 mA pF 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 Ratings and Characteristics Curves AVERAGE FORWARD CURRENT,(A) 2.4 2.0 1.6 1.2 0.8 0.4 0 0 20 40 60 80 100 120 140 160 180 200 50 INSTANTANEOUS FORWARD CURRENT,(A) 2 SR 2 SR 20 4 R2 ~S 0 3.0 1.0 AMBIENT TEMPERATURE,(°C) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE SR 22 SR 0~ SR 25 0~ 24 SR SR 0 28 26 0~ 0 SR 21 00 Tj=25 C Pulse Width 300us 1% Duty Cycle 10 50 ~S 1 R2 00 0.1 PEAK FORWARD SURGE CURRENT,(A) 50 40 30 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 0.01 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 FORWARD VOLT AGE,(V) 20 FIG.2-TYPICAL FORWARD 10 0 1 105 50 100 NUMBER OF CYCLES AT 60Hz FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 100 700 600 500 400 300 200 100 0 0.01 JUNCTION CAPACITANCE,(pF) REVERSE LEAKAGE CURRENT, (mA) 10 1.0 Tj=75 C .1 Tj=25 C 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