UCM37PT

CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT GLASS PASSIVATED S UPER FAST SILICON RECTIFIER VOLTAGE RANGE 50 - 1000 Volts CURRENT 3.0 Amperes FEATURES * * * * * * For surface mounted applications Low profile package Built-in strain relief Superfast recovery times for high efficiency Metallurgically bonded construction Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Glass passivated junction * High temperature soldering guaranteed : 260oC/10 seconds at terminals 0.245(6.22) 0.220(5.59) (1) U CM31PT THRU UCM38PT SMC 0.125(3.17) 0.115(2.92) (2) MECHANICAL DATA Case: JEDEC SMC molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Weight: 0.003 ounces, 0.093 gram 0.280(7.11) 0.260(6.60) 0.012(0.305) 0.006(0.152) 0.103(2.62) 0.079(2.06) 0.060(1.52) 0.030(0.76) 0.008(0.203)(max) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings 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%. o 0.320(8.13) 0.305(7.75) Dimensions in inches and (millimeters) SMC UNITS Volts Volts Volts Amps MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current TL = 100 C Peak Forward Surge Current 8.3 ms single half sine-wave IFSM superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 1) Operating and Storage Temperature Range CJ TJ, TSTG 50 -65 to +150 30 pF o o SYMBOL VRRM VRMS VDC IO UCM31PT UCM32PT UCM33PT UCM34PT UCM35PT UCM36PT UCM37PT UCM38PT 50 35 50 100 70 100 200 140 200 300 210 300 3.0 400 280 400 600 420 600 800 560 800 1000 700 1000 100 Amps C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 3.0 A DC Maximum DC Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 2) NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 2. Test Conditions : IF = 0.5 A, IR = -1.0 A, IRR = -0.25 A @ T A = 2 5 oC @ TA = 100oC IR 200 trr 35 45 uAmps nSec 2002-5 SYMBOL VF UCM31PT UCM32PT UCM33PT UCM34PT UCM35PT UCM36PT UCM37PT UCM38PT UNITS Volts uAmps 0.95 10 1.27 1.75 RATING CHARACTERISTIC CURVES ( UCM31PT THRU UCM38PT ) FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE 10 NONINDUCTIVE trr +0.5A (-) 0 PULSE GENERATOR (NOTE 2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) (+) -1.0A NOTES: 1. Rise Time = 7 ns max. Input Impedance = 1 megohm. 22 pF. 2. Rise Time = 10 ns max. Source Impedlance= 50 ohms. 1cm SET TIME BASE FOR 10 nS/cm -0.25A AVERAGE FORWARD CURRENT, ( A ) FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE 3.0 2.5 2.0 1.5 1.0 0.5 0 0 Single Phase Half Wave 60Hz Resistive or Inductive Load (+) 25 Vdc (approx) (-) D.U.T 25 50 75 100 125 150 175 LEAD TEMPERATURE ( OC ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS FORWARD CURRENT, ( A ) INSTANTANEOUS REVERSE CURRENT, (uA) 10 FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 4P M3 UC T T~ M3 1P M3 UC UC TJ =75oC 1.0 0.1 .1 TJ =25oC TJ =25oC .01 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) .001 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, ( V ) 1.8 FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, ( A ) 140 JUNCTION CAPACITANCE, ( pF ) 120 100 80 60 40 20 0 1 2 5 10 20 NUMBER OF CYCLES AT 60 Hz 50 100 8.3ms Single Half Sine-Wave (JEDEC Method) FIG. 6 - TYPICAL JUNCTION CAPACITANCE 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 REVERSE VOLTAGE, ( V ) 40 100 TJ =25oC UCM 31PT ~UCM 35PT UCM 36PT ~UCM 38PT UC M 36 PT 10 1.0 ~U CM 38 TJ =100oC 5P T Pulse Width = 300uS 1% Duty Cycle PT