Document
BL GALAXY ELECTRICAL
SCHOTTKY BARRIER RECTIFIER
FEATURES
Metal-Semiconductor junction with guard ring Epitaxial construction Low forward voltage drop,low switching losses High surge capability For use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications
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S5817- - -S5819
VOLTAGE RANGE: 20 --- 40 V CURRENT: 1.0 A
SMA(DO-214AC)
carries U/L recognition 94V-0
MECHANICAL DATA
Case:JEDEC DO--214AC,molded plastic Terminals: Solderable per MIL- STD-202,method 208 Polarity: Color band denotes cathode Weight: 0.002 ounces, 0.064 gram Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
S5817
Device marking code
Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current @TL =90 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load Maximum instantaneous forw ard voltage @ 1.0A z (Note 1) @ 3.0A Maximum reverse current at rated DC blocking voltage Typical junction capacitance Typical thermal resistance @TA =25 @TA =100 (Note2) (Note3)
S5818 S18
30 21 30 1.0
S5819 S19
40 28 40
UNITS
V V V A
S17 V RRM V RMS VDC IF(AV)
20 14 20
IFSM
0.45 0.75
25
A
VF IR CJ Rθ JA TJ TSTG
0.55 0.875 1.0 10 110 50 - 55 ---- + 125 - 55 ---- + 150
0.60 0.90
V
mA pF /W
Operating junction temperature range Storage temperature range
NOTE: 1. Pulse test : 300 s pulse width,1% duty cy cle.
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2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. 3.Thermal resistance junction to ambient
Document Number 0281040
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
S5817 - - - S5819
FIG.1 -- FORWARD DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT PEAK FORWARD SURGE CURRENT AMPERES
FIG.2 -- PEAK FORWARD SURGE CURRENT
1.0
30 25 20 25 10 5 0 1 10 100 TJ=TJMAX 8.3ms Single Half Sine-Wave
0.75
AMPERES
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0.5
0.25
Resistive or Inductive Load 0.375"(9.5mm)Lead Length
0 0 25 50 75 100 125 150
LEAD TEMPERATURE,
NUMBER OF CYCLES AT 60Hz
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD X -CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
20
400
CAPACITANCE, pF
10
S 5 81 7 S 5 81 9
TJ=25¡æ f=1.0MHz Vsig=50mVp-p
AMPERES
100
1
S 5 81 8
T J = 25 P ulse w id th= 300 1 % D uty C yc le
s
10 0.1 1 10 100
.1
.1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
REVERSE VOLTAGE,VOLTS
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Document Number 0281040
BLGALAXY ELECTRICAL
2.
.