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RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SM4933 THRU SM4937
SURFACE MOUNT GLASS PASSIVATED FAST RECOVERY SILICON RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere
FEATURES
* * * * * * * Fast switching Glass passivated device Ideal for surface mounted applications Low leakage current Metallurgically bonded construction Mounting position: Any Weight: 0.015 gram
MELF
MECHANICAL DATA
* Epoxy : Device has UL flammability classification 94V-0
.205 (5.2) .190 (4.8)
SOLDERABLE ENDS
.028 (.60) .018 (.46) .106 (2.7) .095 (2.4)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current TA = 55o C Peak Forward Surge Current IFM (surge): 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Thermal Resistance Typical Junction Capacitance (Note 1) Operating and Storage Temperature Range ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Forward Voltage at 1.0A DC Maximum Full Load Reverse Current,Full cycle Average at TA = 55oC Maximum Average Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 4) @TA = 25 o C @TA = 125 oC SYMBOL VF IR trr SM4933 SM4934 SM4935 1.2 50 5.0 100 200 SM4936 SM4937 UNITS Volts uAmps uAmps uAmps nSec 2001-4 SYMBOL VRRM VRMS VDC IO IFSM (Note 2) RJL (Note 3) RJA CJ TJ, TSTG SM4933 50 35 50 SM4934 100 70 100 SM4935 200 140 200 1.0 30 30 75 15 -65 to + 175 SM4936 400 280 400 SM4937 600 420 600 UNITS Volts Volts Volts Amps Amps
0 0
C/ W C/ W pF 0 C
NOTES : 1. Measured at 1.0 MHz and applied average voltage of 4.0VDC 2. Thermal resistance junction to terminal 6.0mm2 copper pads to each terminal. 3. Thermal resistance junction to ambient, 6.0mm2 copper pads to each terminal. 4. Test Conditions: IF = 1.0A, VR = 30V.
RATING AND CHARACTERISTIC CURVES ( SM4933 THRU SM4937 )
INSTANTANEOUS REVERSE CURRENT, (uA) AVERAGE FORWARD CURRENT, (A) FORWARD SURGE CURRENT, (A)
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 1.0 .8 .6 .4 .2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, ( )
Single Phase Half Wave 60Hz Resistive or Inductive Load
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 50 40 30 20 10
8.3ms Single Half Sine-Wave (JEDED Method)
0 1 2 4 6 8 10 20 40 60 80100 NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS FORWARD CURRENT, (A)
10 4 1.0 .4 .1 .04
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 20 10
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
TJ = 25 Pulse Width = 300us 1% Duty Cycle
TJ = 100
1.0
TJ = 25
.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
8 115Va 10K 60Hz 2W 7 6 C.P.CLARE HPG 1002 5 4 1 AMP SLO-BLO FUSE C1 1.0uF 300V 1 2 3.8uH 3 /1.4 30 50W NON-INDUCTIVE UNIT UNDER TEST 1.0 Adc FROM CONSTANT R2 VOLTAGE SUPPLY C1 1 RIPPLE = 3mVrms MAX 1.0uF 10W 300V NONINDUCTIVE Zout 11/2 MAX DC to 2kHz % CARBON CORE FOR RECTIFIER
.1
.01 .6 .8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE, (V)
30 Vdc CONSTANT VOLTAGE SUPPLY
JUNCTION CAPACITANCE, (pF)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 REVERSE VOLTAGE, ( V ) 100
TJ = 25
MINIMIZE ALL LEAD LENGTHS A-TEKTRONIX 545A. K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1-ADJUSTED FOR 1.4 BETWEEN POINT 2 OF RELAY AND RECTIFIER INDUCTIVE = 3.8uH trr IFM 1.0 i(t) di/dt = 50A/uS R2-TEN-1W 10 IN PARALLEL 10 TA = 25 0
0
IRM (REC) SET TIME BASE FOR 50/100 ns/cm
RECTRON

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