4/98
GBU8A THRU GBU8M
GLASS PASSIVATED SINGLE-PHASE BRIDGE RECTIFIER
Reverse Voltage - 50 to 1000 Volts
Forward Current - 8.0 Amperes
FEATURES
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
This series is UL listed under the Recognized Component
Index, file number E54214
High case dielectric
strength of 1500 V
RMS
Ideal for printed circuit boards
Glass passivated chip junction
High forward surge current capability
Typical I
R
less than 0.5
A
High temperature soldering guaranteed:
260C/10 seconds, 0.375 (9.5mm) lead length,
5lbs. (2.3kg) tension
MECHANICAL DATA
Case: Molded plastic body over passivated junctions
Terminals: Plated leads solderable per MIL-STD-750,
Method 2026
Mounting Position: Any
(NOTE 3)
Mounting Torque: 5 in. - lbs. max.
Weight: 0.15 ounce, 4.0 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
GBU
GBU
GBU
GBU
GBU
GBU
GBU
SYMBOLS
8A 8B 8D 8G 8J 8K 8M
UNITS
Maximum repetitive peak reverse voltage
V
RRM
50
100
200
400
600
800
1000
Volts
Maximum RMS voltage
V
RMS
35
70
140
280
420
560
700
Volts
Maximum DC blocking voltage
V
DC
50
100
200
400
600
800
1000
Volts
Maximum average forward rectified
output current at
T
C
=100C
(NOTE 1)
I
(AV)
8.0
Amps
Peak forward surge current single sine-wave
superimposed on rated load (JEDEC Method) T
J
=150C
I
FSM
200.0
Amps
Rating for fusing (t<8.3ms)
I
2
t
166.0
A
2
sec
Maximum instantaneous forward voltage drop
per leg at 8.0A
V
F
1.0
Volts
Maximum DC reverse current at
T
A
=25C
5.0
rated DC blocking voltage per leg
T
A
=125C
I
R
500.0
A
Typical junction capacitance
(NOTE 2)
C
J
211.0
94.0
pF
Typical thermal resistance per leg
(NOTE 4)
R
JA
21.0
(NOTE 1)
R
JC
2.2
C/W
Operating junction and storage temperature range
T
J
, T
STG
-55 to +150
C
NOTES:
(1) Units case mounted on 3.2 x 3.2 x 0.12" thick (8.2 x 8.2 x 0.3cm.) Al. Plate heatsink
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
(3) Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screws
(4) Units mounted in free air, no heat sink on P.C.B., 0.5 x 0.5" (12 x 12mm) copper pads, 0.375" (9.5mm) lead length
0.125 (3.2) x 45
o
CHAMFER
0.085 (2.16)
0.065 (1.65)
0.020 R (TYP.)
0.880 (22.3)
0.860 (21.8)
0.100 (2.54)
0.085 (2.16)
0.160 (4.1)
0.140 (3.5)
0.075
(1.9) R.
0.080
0.060
(2.03)
(1.52)
0.050 (1.27)
0.040 (1.02)
0.080
0.065
(2.03)
(1.65)
0.210
0.190
(5.33)
(4.83)
Polarity shown on front side of case, positive lead by beveled corner
0.140 (3.56)
0.130 (3.30)
9
o
TYP.
5
o
TYP.
0.085 (2.16)
0.075 (1.90)
0.022 (0.56)
0.018 (0.46)
0.310 (7.9)
0.290 (7.4)
0.740 (18.8)
0.720 (18.3)
0.710 (18.0)
0.690 (17.5)
Dimensions in inches and (millimeters)
Case Style GBU
4/98
1
10
100
0
50
100
150
200
250
0.1
1
10
100
10
100
1,000
0
50
100
150
0
2.0
4.0
6.0
8.0
10
20
80
120
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
1
100
10
0.1
0
20
40
100
0.01
0.1
1
10
100
60
80
500
100
0.01
0.1
1
10
100
0.1
1
10
RATINGS AND CHARACTERISTICS CURVES GBU8A THRU GBU8M
FIG. 1 - DERATING CURVE OUTPUT RECTIFIED
CURRENT
CASE TEMPERATURE, C
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
T
J
=25C
PULSE WIDTH=300
s
1% DUTY CYCLE
FIG. 3 - TYPICAL FORWARD CHARACTERISTICS
PER LEG
INSTANTANEOUS FORWARD CURRENT,
AMPERES
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
PER LEG
REVERSE VOLTAGE, VOLTS
T
J
=25C
HEAT-SINK MOUNTING on
3.2 x 3.2 x 0.12" THK
(8.2 x 8.2 x 0.3cm) AL. PLATE
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FIG. 4 - TYPICAL REVERSE LEAKAGE
CHARACTERISTICS PER LEG
SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=150
C
NUMBER OF CYCLES AT 60 Hz
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE
CURRENT PER LEG
T
J
=125C
FIG.6 -TYPICAL TRANSIENT THERMAL
IMPEDANCE
TRANSIENT THERMAL IMPEDANCE,
C/W
t, HEATING TIME, sec.
50-400V
600-1000V
60 H
Z
RESISTIVE OR INDUCTIVE LOAD
T
J
=150C
50 - 400V
600 - 1000V
T
J
=25
C
f=1.0 MHz
Vsig=50mVp-p
JUNCTION
CAPACITANCE, pF
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