BL GALAXY ELECTRICAL
SILICON BRIDGE RECTIFIERS
FEATURES
R ating to 1000V PRV Surge overload rating to 2 5 0 Amperes peak Ideal for printed circuit board R eliable low cost construction utilizing molded
.760(19.3)Max .700(17.8) .660(16.8) .160(4.1) .140(3.6)
KBU8A - - - KBU8M
VOLTAGE RANGE: 50 --- 1000 V CURRENT: 8.0A
KBU
.933(23.7) .894(22.7) .185(4.7) .165(4.2) .280(7.1) .260(6.6)
45
0
.085(2.2) .065(1.7)
+ + _ ~
.075(1.9)R.TYP. (2 PLACES)
plastic technique results in inexpensive product L ead solderable per MIL-STD-202 method 208
1.0(25.4)Min
~
+
.455(11.3) .405(10.3)
.260(6.6) .180(4.5)
.205(5.2) .185(4.7)
.052(1.3) .048(1.2) .220(5.6) .180(4.6)
Dimensions in inches and (mm)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
R atings at 25 a mbient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
KBU 8A
Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard output current @TA=50
KBU 8B
100 70 100
KBU 8D
200 140 2 00
KBU 8G
400 280 400 8.0
KBU 8J
600 420 600
KBU 8K
800 560 800
KBU 8M
1000 700 1000
UNITS
V V V A
V RRM V RMS V DC IF(AV)
50 35 50
Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load Maximum instantaneous forw ard voltage @ 4.0 A Maximum reverse current at rated DC blocking voltage @TA =25 @TA=100
IFSM
2 5 0.0
A
VF IR TJ TSTG
1.0 10.0 1.0 - 55 ---- + 125 - 55 ---- + 150
V μA mA
Operating junction temperature range Storage temperature range
www.galaxycn.com
Document Number 0287024
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD OUTPUT CURRENT, AMPERES
KBU8A - - - KBU8M
FIG.2 -- MAXIMUM FORWARD SURGE CURRENT
8
PEAK FORWARD SURGE CURRENT, AMPERES
250 225 200 175 150 125 100 75 1 2 5 10 20 50 100 8.3ms Single Half Sine Wave TJ =125
6
4
2
MOUNTES ON 4:4 INCH CPUFER PC BOARD 0.5"(12.7mm) Lead length
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE, FIG.3 -- TYPICAL FORWARD CHARACTERISTIC
NUMBER OF CYCLES AT 60HZ FIG.4 -- TYPICAL REVERSE CHARACTERISTIC INSTANTANEOUS REVERSE CURRENT, MICRO AMPERES
INSTANTANEOUS FORWARD CURRENT, AMPERES
100 40 20 10 4.0 2.0 1.0 0.4 0.2 0.1
10
TJ=100 1
TJ=25 Pulse Width =300µS
.1 TJ=25
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
.01
0
20
40
60
80
100
120
140
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE
FIG.5 -- TYPICAL JUNCTION CAPACITANCE PER ELEMENT
400
CAPACITANCE, pF
100 50
TJ=25
10 1
10
100
REVERSE VOLTAGE, VOLTS
www.galaxycn.com
Document Number 0287024
BLGALAXY ELECTRICAL
2.
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