SR304

SCHOTTKY BARRIER RECTIFIER SR302 THRU SR310 FEATURES • • • • • VOLTAGE RANGE CURRENT 20 to 100 Volts 3.0 Ampere DO-27 Fast switching Low forward voltage Low power loss for high efficiency High surge capability High temperature soldering guaranteed 250℃/10 seconds,0.373”(9.5mm)lead length MECHANICAL DATA • • • • • • Case: Transfer molded plastic Epoxy: UL94V-0 rate flame retardant Lead: solderable per MIL-STD-202E method 208C Polarity: Color band denoted cathode end Mounting position: Any Weight: 0.042 ounce, 1.19 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25℃ ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20% SYMBOLS SR302 SR303 Maximum Repetitive Peak Reverse Voltage VRRM 20 30 Maximum RMS Voltage VRMS 14 21 Maximum DC Blocking Voltage VDC 20 30 • • • Maximum Average Forward Rectified Current 0.375″(9.5mm) lead length ,(Note 1) TL =100℃ Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current at rated TA = 25℃ DC Blocking Voltage per element TA = 125℃ (Note 1) Typical Junction Capacitance(measured at 1.0Hzand applied reverse voltage of 4.0V) Typical Thermal Resistance (NOTE 2) Operating Junction Temperature Range Storage Temperature Range SR304 40 28 40 SR305 50 35 50 3.0 80 SR306 SR308 SR310 60 80 100 42 56 70 60 80 100 UNIT Volts Volts Volts Amps Amps I(AV) IFSM VF IR CJ RθJA TJ TSTG 0.55 0.75 0.5 30 250 15 (-55 to +150) (-55 to +150) 0.85 Volts mA pF ℃/W ℃ ℃ Notes: 1. Pulse test:300μs pulse width,1%duty cycle 2. Thermal resistance from junction to ambient P.C.B. mounted with 0.375”(9.5mm)lead length with 2.5”×2.5”(63.5×63.5cm) copper pads E-mail: sales@cnmic.com Web Site: www.cnmic.com SCHOTTKY BARRIER RECTIFIER SR302 THRU SR310 VOLTAGE RANGE CURRENT 20 to 100 Volts 3.0 Ampere RATING AND CHRACTERISTIC CURVES SR302 THRU SR310 FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, 3.0 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE 100 CURRENT, (A) 8.3ms Single Half Sine-Wave (JEDEC Method) T= Tjmax j 60 2.0 (A) Single Phase Half Wave 60Hz 1.0 Inductive or Resistive Load 0.375″(9.5mm) Lead Length 40 1 Cycle 0 0 25 50 75 100 125 150 175 0 1 2 4 6 8 10 20 40 60 80 100 AMBIENT TEMPERATURE, (° C) NUMBER OF CYCLES AT 60 Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 SR252-254 FIG.4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, INSTANTANEOUS FORWARD CURRENT, SR255-2510 10 T J =125° C (A) 1.0 PULSE WIDTH=300 μs DUTY CYCLE 1% TJ =25 ° C (μA) T J =75° C 0.1 TJ =25 ° C SR302-SR304 SR305-SR310 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE,(V) PERCENT OF RATED PEAK FIG.5-TYPICAL JUNCTION CAPACITANCE 1000 REVERSE VOLTAGE,(%) JUNCTION CAPACITANCE,(pF) 100 TJ =25° C f=1MHz Vsig=50mVp-p 10 0.1 1.0 10 100 REVERSE VOLTAGE,(V) E-mail: sales@cnmic.com Web Site: www.cnmic.com