TH97/2478 TH09/2479 IATF 0060636 SGS TH07/1033 LMR1A - LMR1M GLASS PASSIVATED JUNCTION FAST RECOVERY RECTIFIERS PRV : 50 - 1000 Volts Io : 1.0 Ampere M1A FEATURES : * * * * * * * Glass passivated junction chip High surge current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency Pb / RoHS Free 1.00 (25.4) MIN. 0.085(2.16) 0.075(1.91) 0.138(3.51) 0.122(3.10) MECHANICAL DATA : 1.00 (25.4) MIN. 0.024(0.60) 0.022(0.55) * Case : M1A Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.20 gram (approximately) Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL LMR1A LMR1B LMR1D LMR1G LMR1J LMR1K LMR1M UNIT 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 Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 55 °C Peak Forward Surge Current, 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Peak Forward Voltage at I F = 1.0 Amp. Maximum DC Reverse Current Ta = 25 °C at Rated DC Blocking Voltage Ta = 100 °C IF(AV) 1.0 A IFSM 25 A VF 1.4 V IR 5 µA IR(H) 50 µA Maximum Reverse Recovery Time ( Note 1 ) Trr 150 250 500 ns Typical Junction Capacitance ( Note 2 ) CJ 50 pF Junction Temperature Range TJ - 65 to + 150 °C Storage Temperature Range TSTG - 65 to + 150 °C Notes : ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC Page 1 of 2 Rev. 02 : April 28, 2009 TH97/2478 TH09/2479 IATF 0060636 SGS TH07/1033 RATING AND CHARACTERISTIC CURVES ( LMR1A - LMR1M ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω Trr 10 Ω + 0.5 A D.U.T. + 0 PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx.) 1Ω - 0.25 A OSCILLOSCOPE ( NOTE 1 ) - 1.0 A SET TIME BASE FOR 50-100 ns/cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 1 cm 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 1.0 0.8 0.6 0.4 0.2 8.3 ms SINGLE HALF SINE WAVE 24 Ta = 50 °C 18 12 6 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 0 175 1 AMBIENT TEMPERATURE, ( °C) 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FIG.4 - TYPICAL FORWARD CHARACTERISTICS 100 FORWARD CURRENT, AMPERES 2 Pulse Width = 300 μs 2% Duty Cycle TJ = 25 °C 10 1.0 0.1 10 TJ = 100 °C 1.0 0.1 TJ = 25 °C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 02 : April 28, 2009