BL
FEATURES
GALAXY ELECTRICAL
SR820 --- SR8A0
VOLTAGE RANGE: 20 --- 100 V CURRENT: 8.0A
SCHOTTKY BARRIER RECTIFIER
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 The plastic material carries U/L recognition 94V-0
TO - 220AC
MECHANICAL DATA
Case:JEDEC TO--220AC,molded plastic Terminals: Leads solderable per MIL- STD-750,Method 2026 Polarity: As marked Weight: 0.078ounces,2.24 grams Mounting position: Any
ｍｍ
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%.
SR820 SR830 SR840
Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current (see fig.1) Peak forw ard surge current 8.3ms single half -sine-w ave superimposed on rated load @TJ =125
SR850
50 35 50 8.0
SR860
60 42 60
SR880 SR8A0 UNITS
80 56 80 100 70 100 V V V A
VRRM VRMS VDC IF(AV)
20 14 20
30 21 30
40 28 40
IFSM
150.0
A
Maximum instantaneous forw ard voltage @ 8.0A (Note 1) Maximum reverse current at rated DC blocking voltage Typical thermal resistance @TA =25 @TA =100 (Note2)
VF IR RθJA TJ TSTG
0.65 1.0 15.0 3 - 55 ---- + 125
0.75
0.8
0.85
V
50.0
mA /W
Operating junction temperature range Storage temperature range
NOTE: 1. Pulse test:300us pulse width,1% duty cy cle. 2.Thermal resistance junction to ambient
- 55 ---- + 150 - 5 5 ---- +150
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Document Number 0266012
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
SR820 --- SR8A0
FIG.1 -- FORWARD CURRENT DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT
FIG.2 -- PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
150
10 8.0
145
TJ=TJMAX 8.3ms Single Half Sine-Wave
AMPERES
AMPERES
SR820 - SR840
6.0
140
SR850 - SR8A0
4.0 2.0 0 0 50 100 150
Single Phase Half Wave 60Hz Resistive or Inductive Load
135
130
125 1.0 5.0 10 50 100
LEAD TEMPERATURE,
NUMBER OF CYCLES AT 60HZ
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT
50
SR820 - SR840 SR850 - SR860 SR8A0
10
SR880
AMPERES
1.0
TJ=25℃ Pulse width=300 1% Duty Cycle
s
0.1 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
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Document Number 0266012
BLGALAXY ELECTRICAL
2.
