SR320

SR320 thru SR3100 Axial Lead Schottky Rectifiers 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 REVERSE VOLTAGE 20 TO 100 VOLTS FORWARD CURRENT 3.0 AMPERE 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 DO-201AD Outline Dimensions Unit:mm DO-201AD 25.40 7.30 9.50 1.20 1.30 4.80 5.60 WEITRON http://www.weitron.com.tw 1/3 23-May-08 SR320 thru SR3100 Maximum Rating Characteristic Maximum Recurrent Peak Reverse Voltage RMS Reverse Voltage Maximum DC Blocking Voltage Maximum Average Forward Rec See Fig.1 Current Symbol SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNIT VRRM VR(RMS) VR IF(AV ) 20 14 20 30 21 30 40 28 40 50 35 50 3.0 60 42 60 80 56 80 100 70 100 V V V A Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Thermal Resistance IFSM 80 A RθJA CJ TJ TSTG 300 50 250 -65 to +150 -65 to +150 °C/W pF °C °C Diode Junction Capacitance f=1MHz and applied 4V DC reverse voltage Operating Junction Temperature Range Storage Junction Temperature Range Electrical Characteristic Characteristic Maximum Instanatneous Forward Voltage IF=3.0A Maximum Instantaneous Reverse Current Rated DC Blocking Voltage, TA=25°C Rated DC Blocking, TA=100°C Symbol SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNIT VF 0.55 0.70 1.0 30 0.85 V mA IR WEITRON http://www.weitron.com.tw 2/3 23-May-08 SR320 thru SR3100 RATINGAND CHARACTERISTIC CURVES WEITRON AVERAGE FORWARD CURRENT,(A) 3.0 2.5 INSTANTANEOUS FORWARD CURRENT,(A) 2.0 SR 1.5 1.0 0.5 0 0 20 40 60 80 10 3.0 0V ~6 0 ~4 V 20 50 1.0 100 120 140 160 180 200 AMBIENT TEMPERATURE,( C) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 0.1 TJ=25 C Pulse Width 300us 1% Duty Cycle o PEAK FORWAARD SURGE CURRENT,(A) 100 80 .01 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 FORWARD VOLT AGE,(V) 60 TJ=25 C 8.3ms Single Half Sine Wave JEDEC method FIG.2-TYPICAL FORWARD CHARACTERISTICS 40 20 0 1 5 10 50 100 100 NUMBER OF CYCLES AT 60Hz FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 700 600 500 400 300 200 100 0 JUNCTION CAPACITANCE,(pF) REVERSE LEAKAGE CURRENT, (mA) 10 1.0 TJ=75 C .1 TJ=25 C .01 .05 .1 .5 1 5 10 50 100 .01 0 20 40 60 80 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 80 ~1 100 120 140 00 V 0 32 SR R ~S 34 0 35 3 SR 0~ 10 0 23-May-08