Datasheet

GBU8A, GBU8B, GBU8D, GBU8G, GBU8J, GBU8K, GBU8M
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Vishay General Semiconductor
Revision: 02-Apr-15
2
Document Number: 88616
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Notes
(1)
Units case mounted on aIuminum plate heatsink
(2)
Units mounted in free air, no heatsink on PCB, 0.5" x 0.5" (12 mm x 12 mm) copper pads, 0.375" (9.5 mm) lead length
(3)
Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screws
RATINGS AND CHARACTERISTICS CURVES (T
A
= 25 °C unless otherwise noted)
Fig. 1 - Derating Curve Output Rectified Current Fig. 2 - Maximum Non-Repetitive Peak Forward Surge
Current Per Diode
ELECTRICAL CHARACTERISTICS (T
A
= 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL GBU8A GBU8B GBU8D GBU8G GBU8J GBU8K GBU8M UNIT
Maximum
instantaneous forward
voltage drop per diode
8.0 A V
F
1.0 V
Maximum DC reverse
current at rated DC
blocking voltage per diode
T
A
= 25 °C
I
R
5.0
μA
T
A
= 125 °C 500
Typical junction 
capacitance per diode
4 V, 1 MHz C
J
68 pF
THERMAL CHARACTERISTICS (T
A
= 25 °C unless otherwise noted)
PARAMETER SYMBOL GBU8A GBU8B GBU8D GBU8G GBU8J GBU8K GBU8M UNIT
Typical thermal resistance
R
JA
(2)
20
°C/W
R
JC
(1)(3)
4.0
ORDERING INFORMATION
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
GBU8J-E3/45 3.857 45 20 Tube
GBU8J-E3/51 3.857 51 250 Paper tray
0
50
100
150
0
2.0
4.0
6.0
8.0
25
75
125
Average Forward Output Current (A)
Temperature (°C)
Heatsink Mounting, T
C
PCB Mounting, T
A
0.47" x 0.47" (12 mm x 12 mm)
Copper Pads 0.375" (9.5 mm) Lead
Length 60 Hz Resistive or Inductive Load
1
10
100
0
50
100
150
200
250
T
J
= 150 °C
8.3 ms Single Half Sine-Wave
Number of Cycles at 60 Hz
Peak Forward Surge Current (A)