.180(4.6)
.220(5.6)
_~~
+
.160(4.1)
.140(3.6)
1.0(25.4)Min
.760(19.3)Max
+
+
.700(17.8)
.660(16.8)
.260(6.6)
.180(4.5)
.405(10.3)
.455(11.3)
.085(2.2)
.065(1.7)
.165(4.2)
.185(4.7)
.933(23.7)
.894(22.7)
.075(1.9)R.TYP.
(2 PLACES)
.048(1.2)
.052(1.3)
.185(4.7)
.205(5.2)
.280(7.1)
.260(6.6)
450
GALAXY ELECTRICAL
FEATURES
Rating to 1000V PRV
Surge overload rating to 250 Amperes peak
Ideal for printed circuit board
Reliable low cost construction utilizing molded
plastic technique results in inexpensive product
M AX IMUM RAT INGS AND ELECTRICAL CHARACTERI ST I CS
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
KBU
8D
KBU
8G
KBU
8J
KBU
8K
KBU
8M UNITS
Maximum recurrent peak reverse voltage VRRM 200 400 600 800 1000 V
Max imum RMS v oltage VRMS 140 280 420 560 700 V
Maximum DC blocking voltage VDC
200 400 600 800 1000
V
Maximum average forw ard
output current @TA=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 VFV
Maximum reverse current @TA=25 μA
at rated DC blocking voltage @TA=100 mA
Operating junction temperature range TJ
Storage temperature range TSTG
KBU
8A
KBU
8B
50 100
IFSM
- 55 ---- + 150
- 55 ---- + 125
KBU8A - - - KBU8M
A
10.0
Lead solderable per MIL-STD-202 method 208
IF(AV)
SILICON BRIDGE RECTIFIERS
A
IR
100
70
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 8.0A
35
50
KBU
8.0
250.0
1.0
1.0
www.galaxycn.com
Dimensions in inches and (mm)
BL
BLGALAXY ELECTRICAL
Document Number 0287024 1.
110
100  TJ=25
400
100
50
10
0.1
0.2
1.0
10
0.4
2.0
4.0
20
40
100
0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
 TJ=25
Pulse Width
=300µS
10
04060
20
TJ=100
100 120 14080
TJ=25
.1
1
.01
0
2
4
6
0
MOUNTES ON 4:4 INCH CPUFER
PC BOARD
0.5"(12.7mm) Lead length
8
50 100 150
25 75 125 175
AMPERES
PEAK FORWARD SURGE CURRENT,
AMPERESMICRO AMPERES
AVERAGE FORWARD OUTPUT CURRENT,
FIG.2 -- MAXIMUM FORWARD SURGE CURRE NT
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
FIG.3 -- TYPICAL FORWARD CHARACTERISTIC FIG.4 -- TYPICAL REVERSE CH ARAC TERISTIC
PERCENT OF RATED PEAK REVERSE VOLTAGE
FIG.1 -- TYPICAL FORWARD CURRENT DERATING CURVE
FIG.5 -- TYPICAL JUNCTION CAPACITANCE PER E LEMENT
CAPACITANCE, pF
REVERSE VOLTAGE, VOLTS
RATINGS AND CHARACTERISTIC CURVES KBU8A - - - KBU8M
AMBIENT TEMPERATURE, NUMBER OF CYCLES AT 60H
Z
INSTANTANEOUS FORWARD CURRENT,
INSTANTANEOUS REVERSE CURRENT,
AMPERES
BLGALAXY ELECTRICAL
www.galaxycn.com
Document Number 0287024 2.
75
100
1 100
175
225
125
150
20
8.3ms Single Half Sine Wave
TJ=125
250
200
2 5 10 50