Document
SM4933
THRU
SM4937
1.0 AMP SURFACE MOUNT FAST RECOVERY RECTIFIERS
VOLTAGE RANGE
50 to 600 Volts
CURRENT FEATURES
* Low forward voltage drop * Low leakage current * High reliability
1.0 Ampere
SM-1
MECHANICAL DATA
* Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Metallurgically bonded construction * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 0.015 grams
.205(5.2) .190(4.8)
.024(.60) .018(.46)
SOLDERABLE ENDS
.105(2.7) .095(2.4)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current Ta=25 C at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG
NOTES:
SM4933 50 35 50
SM4934 100 70 100
SM4935 200 140 200 1.0 30 1.3 5.0 100 200 15 -65 +175
SM4936 400 280 400
SM4937 600 420 600
UNITS V V V A A V mA mA nS pF C
1. Reverse Recovery Time test condition:IF=1.0A, VR=30V. 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
RATING AND CHARACTERISTIC CURVES (SM4933 THRU SM4937)
FIG.1-TYPICAL FORWARD CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A) 1.2 1.0 0.8 0.6 0.4 0.2 0 0
Tj=25 C Pulse Width 300us 1% Duty Cycle Single Phase Half Wave 60Hz Resistive Or Inductive Load
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
50
INSTANTANEOUS FORWARD CURRENT,(A)
10 3.0 1.0
20
40
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE ( C) FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
50
0.1
.01
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLT AGE,(V)
40
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS
10K 2W 115Va 60Hz C P CLARE HPG1002 8 7 3 6 5 4 1 AMP SLO-BLO FUSE 30Vdc CONSTANT VOLT AGE SUPPLY C1 1.0mF 300V 1 2 R1 3W 25W
30
Tj=25 C 8.3ms Single Half Sine Wave JEDEC method
20
30 W/50W NON-INDUCTIVE UNIT UNDER TEST A 1.0Adc FROM CONSTANT VOLTAGE SUPPL Y RIPPLE=3mVrms MAX.
10
0 1 5 10 50 100
R2 1W /10W NONINDUCTIVE
NUMBER OF CYCLES AT 60Hz
C1 1.0mF 300V Zout 11/2WMAX. DC To 2KHz
MINIMIZE ALL LEAD LENGTHS A-TEKTRONIX 545A. K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1- ADJUSTED FOR 14 BETWEEN POINT 2 OF RELAY AND RECTIFIER INDUCTIVE=3.8mH
FIG.5-TYPICAL JUNCTION CAPACITANCE
35 30 25 20 15 10 5
R2- TEN 1W 10 W 1% CARBON CORE IN PARALLEL TA= 25
+10 0
C FOR RECTIFIER
IFM 1.0 i(t) di/dt=50A/mS
trr 0
IRM(REC) 2.0 1cm SET TIME BASE FOR 50 / 100ns / cm
JUNCTION CAPACITANCE,(pF)
0
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
.