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SM5817 THRU SM5819
Features
* The plastic package carries Underwrites Laboratory Flammability Classification 94V-0 * For surface mounted applications * Glass passivated junction * High temperature soldering guaranteed: 250E /10 seconds, at terminals
CURRENT 1.0 Ampere VOLTAGE 20 to 40 Volts
MELF (DO-41)
SOLDERABLE ENDS 0.024(0.60) 0.018(0.46)
Mechanical Data
* Case : JEDEC MELF(DO-41) molded plastic body * Terminals : Lead solderable per MIL-STD-750, method 2026 * Polarity : Color band denotes cathode end * Mounting Position : Any * Weight : 0.0041 ounce, 0.116 gram
0.205(5.20) 0.190(4.80) 0.105(2.70) 0.095(2.40)
Dimensions in inches and (millimeters)
Maximum Ratings And Electrical Characteristics
(Ratings at 25E ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%)
Symbols
Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TL=90E Peak forward surge current 8.3ms half sine wave superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at 1.0A Maximum instantaneous forward voltage at 3.0A Maximum DC reverse current at rated DC blocking voltage TA=25E TA=100E VRRM VRMS VDC I(AV) IFSM VF VF IR Re JA CJ TJ TSTG
SM5817
20 14 20
SM5818
30 21 30 1.0 25.0
SM5819
40 28 40
Units
Volts Volts Volts Amp Amps
0.450 0.750
0.550 0.875 1.0 10.0 80.0
0.600 0.900
Volts Volts iA E /W
Typical thermal resistance (Note 2) Typical junction capacitance (Note 1) Operating and storage temperature range
110 -55 to +125 -55 to +150
70
pF E
Notes:
(1) Measured at 1MHz and applied reverse voltage of 4.0V DC. (2) Thermal resistance from junction to ambient
RATINGS AND CHARACTERISTIC CURVES SM5817-SM5819
AVERAGE FORWARD CURRENT . ( A )
FIG . 1 - MAXIMUM FORWARD CURRENT DERATING CURVE 1.0 JUNCTION CAPACITANCE . ( pF ) .75 .50
FIG . 2 - TYPICAL JUNCTION CAPACITANCE 400 200 100 80 60 40 20 10 .1 .4 1.0 4 10 REVERSE VOLTAGE . ( V ) 40 80 100
Tj = 25 OC
.25 0 0
20
40
60
80
O
100
120
140
LEAD TEMPERATURE . ( C )
FIG.3-TYPICAL FORWARDCHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT . ( A )
20 10 SM5817
PEAK FORWARD SURGE CURRENT . ( A )
30 25 20 15 10 5
FIG . 4 - MAXIMUM NON- REPETITIVE FORWARD SUGE CURRENT
8.3ms Single Half Sine Wave JEDEC Method
1.0
SM5818-SM5819 Tj = 25 OC Pulse Width = 300 s 1% Duty Cycle .9 1.1 1.3 1.5 1.7
0.1 .1
.3
.5
.7
1.9
2.1
0 1
2
5
10
20
50
1 00
FORWARD VOLTAGE . ( V )
NUMBER OF CYCLES AT 60Hz

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