BYTES SM5819, SM5817, SM5818 Datasheet
SM5817 SM5819 THRU
1.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
20 to 40 Volts
CURRENT
FEATURES
1.0 Ampere
* Low forward voltage drop
* Low leakage current
* High reliability
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)
Dimensions in inches and (millimeters)
.024(.60)
.018(.46)
SM-1
.105(2.7)
.095(2.4)
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 Ta=100 C
Typical Junction Capacitance (Note1)
Typical Thermal Resistance R JA (Note 2)θ
Operating
Storage Temperature Range TSTG
NOTES:
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
Temperature Range TJ
SM5817 SM5818 SM5819
20 30 40
14 21 28
20 30 40
1.0
25
0.45 0.60
0.55
1.0
10
110
80
-65 +125
-65 +150
SOLDERABLE
ENDS
UNITS
V
V
V
A
A
V
mA
mA
pF
C/W
C
C
2. Thermal Resistance Junction to Ambient.
216
RATING AND CHARACTERISTIC CURVES (SM5817 THRU SM5819)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
50
10
3.0
SM5817
SM5818~SM5819
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0.1
INSTANTANEOUS FORWARD CURRENT,(A)
.01
.1 .3 .5 .7 .9 1.1 1.3 1.5
FORWARD VOLTAGE,(V)
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
100
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
1.2
1.0
0.8
Single Phase
0.6
Half Wave 60Hz
Resistive Or Inductive Load
0.4
0.2
AVERAGE FORWARD CURRENT,(A)
0
0 20 40 60 80 100 120 140 160 180 200
AMBIENT TEMPERATURE ( C)
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
25
20
15
8.3ms Single Half
Sine Wave
JEDEC method
10
5
0
PEAK FORWAARD SURGE CURRENT,(A)
1 10 5
Tj=25 C
NUMBER OF CYCLES AT 60Hz
50
100
10
1.0
.1
REVERSE LEAKAGE CURRENT, (mA)
.01
0 20 40 60 80 100 120 140
PERCENTAGE RATED PEAK REVERSE VOLTAGE
Tj=75 C
Tj=25 C
FIG.5-TYPICAL JUNCTION CAPACITANCE
350
300
250
200
150
100
JUNCTION CAPACITANCE,(pF)
50
0
.01 .05 .1 .5 1 5 10 50 100
REVERSE VOLTAGE,(V)
217
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