GBU8A thru GBU8M
Vishay Semiconductors
formerly General Semiconductor
Glass Passivated Single-Phase Bridge Rectifier
Case Style GBU
0.020 R (TYP.)
0.880 (22.3)
0.860 (21.8)
0.125 (3.2) x 45o
CHAMFE
R
0.140 (3.56)
0.130 (3.30)
9o
TYP
.
0.740 (18.8)
0.720 (18.3)
0.085 (2.16)
0.065 (1.65)
0.075
(1.9)R
.
0.080 (2.03)
0.060 (1.52)
5o
TYP
.
0.085 (2.16)
0.075 (1.90)
Features
Reverse Voltage
50 and 1000V
Forward Current
8.0A
0.310 (7.9)
0.290 (7.4)
0.160 (4.1)
0.140 (3.5)
0.100 (2.54)
0.085 (2.16)
0.710 (18.0)
0.690 (17.5)
0.050 (1.27)
0.040 (1.02)
• 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 surge overload rating
• High temperature soldering guaranteed:
260°C/10 seconds, 0.375 (9.5mm) lead length,
5lbs. (2.3kg) tension
Mechanical Data
0.022 (0.56)
0.018 (0.46)
0.080 (2.03)
0.065
(1.65)
0.190 (4.83)
0.210 (5.33)
Polarity shown on front side of case, positive lead by beveled corner
Dimensions in inches and (millimeters)
Case:
Molded plastic body over passivated junctions
Terminals:
Plated leads solderable per MIL-STD-750,
Method 2026
Mounting Position:
Any (Note 2)
Mounting Torque:
5 in-lbs max.
Weight:
0.15 oz., 4.0 g
Packaging codes/options:
1/250 EA. per Bulk Tray Stack
Maximum Ratings & Thermal Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified
output current at T
C
= 100°C
(Note 1)
Peak forward surge current single sine-wave super-
imposed on rated load (JEDEC Method) T
J
= 150°C
Rating for fusing (t < 8.3ms)
Typical thermal resistance per leg
(Note 3)
Symbol GBU8A GBU8B GBU8D GBU8G GBU8J GBU8K GBU8M Unit
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
I
2
t
R
ΘJA
R
ΘJC
T
J,
T
STG
50
35
50
100
70
100
200
140
200
400
280
400
8.0
200
166
21
2.2
–55 to +150
600
420
600
800
560
800
1000
700
1000
V
V
V
A
A
A
2
sec
°C/W
°C
Operating junction and storage temperature range
Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Maximum instantaneous forward voltage drop
per leg at 8.0 A
Maximum DC reverse current at T
A
= 25°C
rated DC blocking voltage per legT
A
= 125°C
Typical junction capacitance per leg at 4V, 1MHz
Symbol GBU8A GBU8B GBU8D GBU8G GBU8J GBU8K GBU8M Unit
V
F
I
R
C
J
211
1.0
5.0
500
94
V
µA
pF
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) Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screws
(3) Units mounted in free air, no heatsink on P.C.B., 0.5 x 0.5” (12 x 12mm) copper pads, 0.375” lead length
Document Number 88616
07-Oct-03
www.vishay.com
1
GBU8A thru GBU8M
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 1 – Derating Curve Output
Rectified Current
10
250
60 H
Z
Resistive or Inductive Load
Fig. 2 – Maximum Non-Repetitive Peak
Forward Surge Current Per Leg
Peak Forward Surge Current (A)
T
J
= 150°C
8.3ms Single Half Sine-Wave
(JEDEC Method)
Average Forward Output Current (A)
8.0
Heatsink mounting on
3.2 x 3.2 x 0.12" THK
(8.2 x 8.2 x 0.3cm) AL. PLATE
200
6.0
150
4.0
100
2.0
50
0
0
20
50
80
100
120
150
0
1
10
100
Case Temperature (°C)
Number of Cycles at 60 H
Z
Fig. 3 – Typical Forward
Characteristics Per Leg
100
500
Fig. 4 – Typical Reverse Characteristics
Per Leg
Instantaneous Reverse Current (µA)
T
J
= 150°C
100
Instantaneous Forward Current (A)
10
10
T
J
= 125°C
1
1
50 - 400V
600 - 1000V
0.1
Pulse Width = 300µs
1% Duty Cycle
T
J
= 25°C
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.1
T
J
= 25°C
0.01
0
20
40
60
80
100
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 – Typical Junction Capacitance
Per Leg
1,000
100
Fig. 6 – Typical Transient
Thermal Impedance Per Leg
Transient Thermal Impedance (°C/W)
Junction Capacitance (pF)
T
J
= 25°C
f = 1.0 MH
Z
V
sig
= 50mVp-p
10
100
1
50 - 400V
600 - 1000V
10
0.1
1
10
100
0.1
0.01
0.1
1
10
100
Reverse Voltage (V)
www.vishay.com
2
t – Heating Time (sec.)
Document Number 88616
07-Oct-03
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