SM5817
THRU
SM5819
1.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
20 to 40 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 See Fig. 2 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 Typical Junction Capacitance (Note1) Typical Thermal Resistance RθJA (Note 2) Operating Temperature Range TJ Storage Temperature Range TSTG
NOTES:
SM5817 20 14 20
SM5818 30 21 30 1.0 25
SM5819 40 28 40
UNITS V V V A A V mA mA pF C/W C C
0.45
0.55 1.0 10 110 80 -65 +125 -65 +150
0.60
Ta=100 C
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance Junction to Ambient.
216
RATING AND CHARACTERISTIC CURVES (SM5817 THRU SM5819)
FIG.1-TYPICAL FORWARD CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
50
INSTANTANEOUS FORWARD CURRENT,(A)
1.2 1.0 0.8 0.6 0.4 0.2 0
Single Phase Half Wave 60Hz Resistive Or Inductive Load
10
7 SM 5
1.0
Tj=25 C Pulse Width 300us 1% Duty Cycle
SM
3.0
58
18
~S M
81
58
19
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)
25
0.1
.01
.1
.3
.5
.7
.9
1.1
1.3
1.5
20
FORWARD VOLTAGE,(V)
15
Tj=25 C 8.3ms Single Half Sine Wave JEDEC method
10
5
FIG.3 - TYPICAL REVERSE CHARACTERISTICS 100
0 1 5 10 50 100
NUMBER OF CYCLES AT 60Hz
REVERSE LEAKAGE CURRENT, (mA)
10
FIG.5-TYPICAL JUNCTION CAPACITANCE
350 300 250 200 150 100 50 0
1.0
Tj=75 C
.1
Tj=25 C
.01 0
JUNCTION CAPACITANCE,(pF)
20
40
60
80
100 120 140
.01
.05
.1
.5
1
5
10
50
100
PERCENTAGE RATED PEAK REVERSE VOLTAGE
REVERSE VOLTAGE,(V)
217
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