SR320 thru SR3100 Axial Lead Schottky Rectifiers REVERSE VOLTAGE 20 TO 100 VOLTS FORWARD CURRENT 3.0 AMPERE P b Lead(Pb)-Free FEATURES: * Axial lead type devices for through hole design * High current capability, low forward voltage drop. * High surge capability. * Guardring for overvoltage protection. * Ultra high-speed switching. * Silicon epitaxial planar chip, metal silicon junction. * Lead-free parts meet environmental standards of MIL-STD-19500 /228 DO-201AD MECHANICAL DATA: * Case: Molded plastic * Epoxy: UL 94V-0 rat retardant * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 1.10 grams DO-201AD Outline Dimensions DO-201AD 25.40 WEITRON http://www.weitron.com.tw 7.30 Unit:mm 9.50 1/3 1.20 1.30 4.80 5.60 23-May-08 SR320 thru SR3100 Maximum Rating Characteristic Symbol SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNIT Maximum Recurrent Peak Reverse Voltage RMS Reverse Voltage Maximum DC Blocking Voltage Maximum Average Forward Rec See Fig.1 VRRM 20 30 40 50 60 80 100 V VR(RMS) 14 21 28 35 42 56 70 V VR 20 30 40 50 60 80 100 V Current IF(AV) 3.0 A Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 80 A Thermal Resistance RθJA 50 °C/W Diode Junction Capacitance f=1MHz and applied 4V DC reverse voltage CJ Operating Junction Temperature Range TJ -65 to +150 °C TSTG -65 to +150 °C Storage Junction Temperature Range 300 250 pF Electrical Characteristic Characteristic Symbol SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNIT Maximum Instanatneous Forward Voltage IF=3.0A VF Maximum Instantaneous Reverse Current Rated DC Blocking Voltage, TA=25°C Rated DC Blocking, TA=100°C IR WEITRON http://www.weitron.com.tw 0.55 0.70 1.0 30 2/3 0.85 V mA 23-May-08 WEITRON SR320 thru SR3100 3.0 20 40 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE,( C) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE V V 00 ~1 80 0 0 ~6 0 10 0 0 3.0 50 3 SR 0~ 34 0.5 0V 35 R ~S 1.0 10 ~4 SR 1.5 20 2.0 INSTANTANEOUS FORWARD CURRENT,(A) 2.5 0 32 SR AVERAGE FORWARD CURRENT,(A) RATINGAND CHARACTERISTIC CURVES 1.0 0.1 PEAK FORWAARD SURGE CURRENT,(A) o TJ=25 C 100 Pulse Width 300us 1% Duty Cycle .01 80 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 FORWARD VOLTAGE,(V) FIG.2-TYPICAL FORWARD CHARACTERISTICS 60 8.3ms Single Half TJ=25 C Sine Wave 40 JEDEC method 20 0 1 5 50 10 100 100 NUMBER OF CYCLES AT 60Hz REVERSE LEAKAGE CURRENT, (mA) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT JUNCTION CAPACITANCE,(pF) 700 600 500 400 300 200 10 1.0 TJ=75 C TJ=25 C .1 100 0 .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) WEITRON 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FIG.4-TYPICAL JUNCTION CAPACITANCE http://www.weitron.com.tw .01 0 FIG.5 - TYPICAL REVERSE CHARACTERISTICS 3/3 23-May-08