Fairchild Semiconductor GBU8A, GBU8K, GBU8J, GBU8D, GBU8B Datasheet
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GBU8A - GBU8K
GBU8A-GBU8M, Rev. A
GBU8A - GBU8K
8.0 Ampere Bridge Rectifiers
Absolute Maximum Ratings* T
A
= 25°C unless otherwise noted
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
**Device mounted on PCB with 0.5 x 0.5" (12 x 12 mm).
Electrical Characteristics T
A
= 25°C unless otherwise noted
ã1998 Fairchild Semiconductor Corporation
Features
• Surge overload rating: 200 amperes peak.
• Reliable low cost construction utilizing
molded plastic technique.
• Ideal for printed circuit board.
Parameter D
evice Units
8A 8B 8D 8G 8J 8K
Peak Repetitive Reverse Voltage 50 100 200 400 600 800 V
Maximum RMS Input Voltage 35 70 140 280 420 560 V
DC Reverse Voltage (Rated VR)
50 100 200 400 600 800 V
Maximum Reverse Leakage, per element
@ rated V
R
TA = 25°C
T
A
= 100°C
5.0
500
mA
mA
Maximum Forward Vol
tage Drop, per element
@ 8.0 A 1.0 V
I2t rating for fusing t < 8.35 ms 166 A2Sec
Symbol Parameter Value
Units
I
O
Average Rectified Current @ TA = 100°C
@ TA = 45°C
8.0
6.0
A
A
i
f(surge)
Peak Forward Surge Current
8.3 ms single half-sine-wave
S
uperimposed on rated load (JEDEC method)
200 A
P
D
Total Device Dissipation
Derate above 25°C
6.9
55
W
mW/°C
R
q
JA
Thermal Resistance, Junction to Ambient,** per leg 18
°
C/W
T
stg
Storage Temperature Range -55 to +150
°
C
T
J
Operating Junction Temperature -55 to +150
°
C
0.710
(18.0)
0.690 (17.5)
0.310
(7.9)
0.290 (7.4)
0.080
(2.03)
0.060 (1.52)
0.050 (1.27)
0.040 (1.02)
0.210 (5.3)
0.190 (4.8)
0.050 (1.3)
0.040 (1.0)
0.125 X 45
O
(3.2) Typ
0.075 R
(1.9)
+
0.740 (18.8)
0.720 (18.3)
0.080 (2.03)
0.065 (1.65)
0.100 (2.54)
0.085 (2.16)
+
+
0.160 (4.1)
0.140 (3.5)
0.085 (2
.16)
0.065 (1.65)
0.020 R
TYP
0.880 (22.3)
0.860 (21.8)
Dimensions are in:
inches (mm)
GBU
~
~
T ypical Characteristics
GBU8A - GBU8K
Bridge Rectifiers
(continued)
Forward Current De ratin g Curve
8
6
4
MOUNTED ON PC BOARD,
2
TA 0.5" (12.7mm) LEAD LENGTH
FORWAR D CU RRENT (A )
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0 50 100 150
HEAT-SIN K
MOUNTING, TC
4"x4"x0.15"
COPPER PLATE
TEMPERATURE ( C)
º
Reverse Characteris tics
10
º
T = 100 C
µ
1
0.1
REVERSE CURRENT ( A)
0.01
0 20406080100120140
PERCENT OF RA TED PEAK REVER SE VOLTAGE (%)
C
T = 25 C
A
º
Forward Charact eristics
100
10
T = 25 C
º
1
FORWARD CURRE NT (A)
0.1
0.7 0.8 0.9 1 1.1 1.2 1.3 1.4
FORWARD VOLTAGE (V)
A
Pulse Width = 300µs
1% Duty Cycle
Non-Repetitive Surge Current
200
160
120
80
º
T = 105 C
A
40
FORWARD SURGE CURRENT (A)
0
12 51020 50100
NUMBER OF CYCLES AT 60Hz
Junction Capacitance
400
T = 25 C
º
100
50
CAPACITANCE (pF)
10
A
f = 1.0 MHz
Visg = 50m Vp-p
1 5 10 50 100
REVERSE VOLTAGE (V)
GBU8A-GBU8M, Rev. A
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