SCHOTTKY BARRIER RECTIFIER SR302 THRU SR310 VOLTAGE RANGE 20 to 100 Volts CURRENT 3.0 Ampere FEATURES • • • • • 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 SR306 SR308 SR310 60 80 100 42 56 70 60 80 100 UNIT Volts Volts Volts I(AV) 3.0 Amps IFSM 80 Amps VF 0.55 IR 0.75 0.5 30 0.85 Volts mA CJ 250 pF RθJA TJ TSTG 15 (-55 to +150) (-55 to +150) ℃/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 Web Site: www.hkmic.com SCHOTTKY BARRIER RECTIFIER SR302 THRU SR310 VOLTAGE RANGE 20 to 100 Volts CURRENT 3.0 Ampere FIG.1-TYPICAL FORWARD CURRENT FIG.2-MAXIMUM NON-REPETITIVE PEAK DERATING CURVE FORWARD SURGE CURRENT 2.0 Single Phase Half Wave 60Hz Inductive or Resistive Load 1.0 0.375″(9.5mm) Lead Length 100 CURRENT, (A) PEAK FORWARD SURGE 3.0 (A) AVERAGE FORWARD CURRENT, RATING AND CHRACTERISTIC CURVES SR302 THRU SR310 8.3ms Single Half Sine-Wave (JEDEC Method) T= j Tjmax 60 40 1 Cycle 0 0 25 50 100 75 125 175 150 0 1 AMBIENT TEMPERATURE, (° C) 2 4 6 8 10 40 20 NUMBER OF CYCLES AT 60 Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 100 1.0 TJ =25° C PULSE WIDTH=300μs DUTY CYCLE 1% 0.1 T J =125° C (μA) INSTANTANEOUS REVERSE CURRENT, 10 (A) INSTANTANEOUS FORWARD CURRENT, SR252-254 SR255-2510 T J =75° C 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 REVERSE VOLTAGE,(%) JUNCTION CAPACITANCE,(pF) 1000 100 TJ =25° C f=1MHz Vsig=50mVp-p 10 0.1 1.0 10 100 REVERSE VOLTAGE,(V) Web Site: www.hkmic.com 60 80 100