US1A THRU US1M Surface Mount Ultra Fast Recovery Rectifier YENYO Voltage Range 50 to 1000 V Current 1.0 Ampere Features ¬ Fast switching for high efficiency ¬ Low forward voltage drop ¬ High current capability ¬ Low reverse leakage current ¬ High surge current capability ¬ Glass passivated chip Mechanical Data ¬ Case: Molded plastic SMA/DO-214AC ¬ Epoxy: UL 94V-0 rate flame retardant ¬ Terminals: Solderable per MIL-STD-750 method 2026 ¬ Polarity:Color band denotes cathode ¬ Mounting position: Any ¬ Weight: 0.064 gram SMA/DO-214AC .055(1.40) .062(1.60) .098(2.50) .114(2.90) .157(4.00) .181(4.60) .006(.152) .012(.305) .078(2.00) .096(2.44) .002(.051) .008(.203) .030(0.76) .060(1.52) .188(4.80) .208(5.28) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. CHARACTERISTIC SYMBOL US1A US1B US1D US1G US1J US1K Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V VDC 50 100 200 400 600 800 1000 V Maximum DC Blocking Voltage Maximum Average Forward Rectified o Current TA=55 C US1M UNIT IF(AV) 1.0 A IFSM 30 A Peak Forward Surge Current, 8.3ms single Half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage @ 1.0 A VF 1.3 1.0 o Maximum DC Reverse Current @TJ=25 C o At Rated DC Blocking Voltage @TJ=125 C IR Maximum Reverse Recovery Time (Note 1) Trr Typical junction Capacitance (Note 2) CJ Typical Thermal Resistance (Note 3) Operating Junction and Storage Temperature Range 1.7 V 5.0 uA 100 uA 50 nS 75 pF 15 R JA 75 TJ, TSTG -55 to + 150 o CW o C NOTES : (1) Reverse recovery test conditions IF = 0.5A, IR = 1.0A, Irr = 0.25A. (2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts DC. (3) Thermal Resistance junction to ambient. 1/2 DSA13, R0, Jun-05 RATINGS AND CHARACTERISTIC CURVES US1A THRU US1M FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1 - FORWARD CURRENT DERATING CURVE 30 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 1.0 0.8 0.6 0.4 0.2 60 Hz Resistive or Inductive load 0 Pulse Width 8.3ms Single Half-Sire-Wave (JEDEC Method) 25 20 15 10 5 0 0 50 100 150 1 100 NUMBER OF CYCLES AT 60Hz o AMBIENT TEMPERATURE, C FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS 10 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES 1000 US1A-US1D US1G 1.0 US1J-US1M 0.1 o TJ=25 C PULSE WIDTH=300uS 1% DUTY CYCLE 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 100 o TJ=125 C 10 1 o TJ=25 C 0.1 1.8 0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE,% FIG.5 - TYPICAL JUNCTION CAPACITANCE 100 JUNCTION CAPACITANCE, pF IINSTANTANEOUS FORWARD CURRENT, AMPERES 10 o TJ = 25 C f = 1.0 MHZ Vsig = 50mVp-p 10 1 0.1 1.0 4.0 10 100 REVERSE VOLTAGE, VOLTS YENYO TECHNOLOGY CO., LTD. 2/2 DSA14, R0, Jun-05