BL
FEATURES
GALAXY ELECTRICAL
GBU8A - - - GBU8M
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 8.0A
SILICON BRIDGE RECTIFIERS
Rating to 1000V PRV
Surge overload rating to
200
Amperes peak
Ideal for printed circuit board
Reliable low cost construction utilizing molded
plastic technique results in inexpensive product
Lead solderable per MIL-STD-202 method 208
GBU
.933(23.7)
.894(22.7)
.185(4.7)
.165(4.2)
.160(4.1)
.140(3.5)
45
0
.140(3.56)
.130(3.30)
+
+
.075(1.9)R.TYP.
.085(2.16)
.065(1.65)
.740(18.8)
.720(18.3)
_
.080(2.03)
.060(1.52)
~
~
+
Glass passivated junctions
.100(2.54)
.085(2.16)
.190(4.83)
.210(5.33)
.050(1.27)
.040(1.02)
.710(18)
.690(17.5)
.085(2.18)
.075(1.90)
.022(.56)
.018(.46)
inch(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%.
GBU
8A
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard
output current
@T
C
=100
GBU
8B
100
70
100
GBU
8D
200
140
200
GBU
8G
400
280
400
8.0
GBU
8J
600
420
600
GBU
8K
800
560
800
GBU
8M
1000
700
1000
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(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
@T
A
=25
@T
A
=125
I
FSM
200.0
A
V
F
I
R
T
J
T
STG
1.0
5.0
0.5
- 55 ---- + 150
- 55 ---- + 150
V
μA
mA
Operating junction temperature range
Storage temperature range
www.galaxycn.com
Document Number 0287027
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD OUTPUT CURRENT,
AMPERES
GBU8A - - - GBU8M
FIG.2 -- MAXIMUM FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
8
350
300
250
200
150
100
50
0
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
1
2
5
10
20
50
100
C
ASE
TEMPERATURE,
FIG.3 -- TYPICAL FORWARD CHARACTERISTIC
NUMBER OF CYCLES AT 60H
Z
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
100
T
J
=125
10
T
J
=25
Pulse Width
=300
µ
S
1
T
J
=25
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
.1
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
T
J
=25
10
1
10
100
REVERSE VOLTAGE, VOLTS
www.galaxycn.com
Document Number 0287027
BL
GALAXY ELECTRICAL
2.
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