GBU8A - GBU8M
GBU8A-GBU8M, Rev.
D
2001 Fairchild Semiconductor Corporation
GBU8A - GBU8M
Bridge Rectifiers
Absolute Maximum Ratings*
T
A
= 25C unless otherwise noted
*
These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Electrical Characteristics
T
A
= 25C unless otherwise noted
Features
Glass passivated junction.
Surge overload rating: 200 amperes peak.
Reliable low cost construction utilizing
molded plastic technique.
Ideal for printed circuit board.
Symbol Parameter
Device
Units
V
F
Forward Voltage, per element @ 8.0 A
1.0
V
I
R
Reverse Current, per element @ rated V
R
T
A
= 25
C
T
A
= 100
C
5.0
500
A
A
I
2
t rating for fusing
t < 8.35 ms
166
A
2
s
Symbol
Parameter
Value
Units
P
D
Power
Dissipation
16
W
R
JA
Thermal Resistance, Junction to Ambient,* per leg
18
C/W
GBU
+ ~
~
-
*
Device mounted on PCB with 0.5 x 0.5" (12 x 12 mm).
Symbol
Parameter
Value
Units
8A 8B 8D 8G 8J 8K 8M
V
RRM
Maximum Repetitive Reverse Voltage
50 100 200 400 600 800 1000
V
V
RMS
Maximum RMS Bridge Input Voltage
35 70 140 280 420 560
700
V
V
R
DC Reverse Voltage (Rated V
R
) 50
100
200
400
600
800
1000
V
I
F(AV)
Average Rectified Forward Current, @ T
A
= 100C
@ T
A
= 45C
8.0
6.0
A
A
I
FSM
Non-repetitive Peak Forward Surge Current
8.3 ms Single Half-Sine-Wave
200 A
T
stg
Storage Temperature Range
-55 to +150
C
T
J
Operating Junction Temperature
-55 to +150
C
Thermal Characteristics
GBU8A - GBU8M
GBU8A-GBU8M, Rev.
D
2001 Fairchild Semiconductor Corporation
Bridge Rectifiers
(continued)
Typical Characteristics
Average Rectified Forward Current, I
F
[A]
1
2
5
10
20
50
100
0
40
80
120
160
200
Number of Cycles at 60Hz
Peak Forward Surge Current, I
FSM
[A]
T = 105 C
A
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
0.1
1
10
100
Ambient Temperature [C] Forward Voltage, V
F
[V]
Forward Current, I
F
[A]
T = 25 C
A
Pulse Width = 300
s
1% Duty Cycle
1 5 10 50 100
10
50
100
400
Reverse Voltage, V
R
[V]
Total Capacitance, C
T
[pF]
T = 25 C
A
f = 1.0 MHz
Visg = 50m Vp-p
0
20
40
60
80
100
120
140
0.01
0.1
1
10
Percent of Rated Peak Reverse Voltage [%]
Reverse Current, I
R
[mA]
T = 100 C
C
T = 25 C
A
Figure 1. Forward Current Derating Curve Figure 2. Forward Voltage Characteristics
Figure 3. Reverse Current vs Reverse Voltage Figure 4. Non-Repetitive Surge Current
Figure 5. Total Capacitance
0
50
100
150
0
2
4
6
8
MOUNTED ON PC BOARD,
TA 0.5" (12.7mm) LEAD LENGTH
60Hz RESISTIVE OF INDUCTIVE LOAD
HEAT-SINK
MOUNTING, TC
4"x4"x0.15"
COPPER PLATE
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FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
RIGHTS, NOR THE RIGHTS OF OTHERS.
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not intended to be an exhaustive list of all such trademarks.
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FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Preliminary
No Identification Needed
Obsolete
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Formative or
In Design
First Production
Full Production
Not In Production
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