Vishay General Semiconductor
GBU8A thru GBU8M
Document Number 88616
19-Jan-06
www.vishay.com
1
Case Style GBU
Glass Passivated Single-Phase Bridge Rectifier
FEATURES
• UL Recognition file number E54214
• Ideal for printed circuit boards
• High surge current capability
• High case dielectric strength of 1500 VRMS
• Solder Dip 260 °C, 40 seconds
TYPICAL APPLICATIONS
General purpose use in ac-to-dc bridge full wave
rectification for Monitor, TV, Printer, Power supply,
Switching Mode Power Supply, Adapter, Audio
equipment and Home Appliances applications.
MECHANICAL DATA
Case: GBU
Epoxy meets UL 94V-0 flammability rating
Terminals: Matte tin plated (E3 Suffix) leads,
solderable per J-STD-002B and JESD22-B102D
Polarity: As marked on body
Mounting Torque: 10 cm-kg (8.8 inches-lbs) max.
Recommended Torque: 5.7 cm-kg (5 inches-lbs)
MAJOR RATINGS AND CHARACTERISTICS
IF(AV) 8 A
VRRM 50 V to 1000 V
IFSM 200 A
IR5 µA
VF1.0 V
Tj max. 150 °C
Note:
(1) Unit case mounted on AI plate heatsink
(2) Units mounted in free air, no heatsink on P.C.B., 0.5 x 0.5" (12 x 12 mm) copper pads, 0.375" (9.5 mm) lead length
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL GBU8A GBU8B GBU8D GBU8G GBU8J GBU8K GBU8M UNIT
Maximum repetitive peak
reverse voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V
Maximum average forward
rectified output current at
TC = 60 °C (1)
TA = 25 °C (2) IF(AV)
8.0
3.0 A
Peak forward surge current
single sine-wave super-
imposed on rated load
IFSM 200 A
Rating for fusing (t < 8.3 ms) I2t 166 A2sec
Operating junction and
storage temperature range TJ, TSTG - 55 to + 150 °C
www.vishay.com
2
Document Number 88616
19-Jan-06
Vishay General Semiconductor
GBU8A thru GBU8M
Note:
(1) Units case mounted on Al plate heatsink
(2) Units mounted in free air, no heatsink on P.C.B., 0.5 x 0.5" (12 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
(TA = 25 °C unless otherwise noted)
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER TEST CONDITION SYMBOL GBU8A GBU8B GBU8D GBU8G GBU8J GBU8K GBU8M UNIT
Maximum instantaneous
forward voltage drop per leg at 8.0 A VF 1.0 V
Maximum DC reverse
current at rated DC
blocking voltage per leg
TA = 25 °C
TA = 125 °C IR 5.0
500 µA
Typical junction
capacitance per leg at 4 V, 1 MHz CJ 211 94 pF
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL GBU8A GBU8B GBU8D GBU8G GBU8J GBU8K GBU8M UNIT
Typical thermal resistance per leg RθJA (2)
RθJC (1,3)
20
4.0 °C/W
Figure 1. Derating Curve Output Rectified Current
050 100 150
0
2.0
4.0
6.0
8.0
25 75 125
Average Forward OutputCurrent (A)
Temperature (°C)
Heatsink Mounting, TC
PCB Mounting, TA
Figure 2. Maximum Non-Repetitive Peak Forward Surge
Current Per Leg
110 100
0
50
100
150
200
250
TJ = 150 °C
8.3 ms Single Half Sine-Wave
Number of Cycles at 60 Hz
Peak Forward Surge Current (A)
Document Number 88616
19-Jan-06
www.vishay.com
3
GBU8A thru GBU8M
Vishay General Semiconductor
PACKAGE OUTLINE DIMENSIONS IN INCHES (MILLIMETERS)
Figure 3. Typical Forward Characteristics Per Leg
Figure 4. Typical Reverse Leakage Characteristics Per Leg
0.4 0.6 0.81.0 1.2 1.4 1.6
0.01
1
100
10
0.1
InstantaneousForward Current (A)
InstantaneousForward Voltage (V)
TJ = 25 °C
Pulse Width = 300 µs
1 % Duty Cycle
020 40 100
0.01
0.1
1
10
100
60 80
500
50 - 400 V
600 - 1000 V
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
Percent of Rated Peak Reverse Voltage (%)
Instantaneous Reverse Current (µA)
Figure 5. Typical Junction Capacitance Per Leg
Figure 6. Typical Transient Thermal Impedance Per Leg
0.1 110 100
10
100
1000
50 - 400 V
600 - 1000 V
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
Reverse Voltage (V)
Junction Capacitance (pF)
100
0.01 0.1 110 100
0.1
1
10
t - Heating Time (s)
Transient Thermal Impedance (°C/W)
0.125 (3.2 )x4 5 o
CHAMFE
R
0.085 (2.16)
0.065 (1.65)
0.02 0R (TYP .)
0.880 (22.3)
0.860 (21.8)
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)
0.100 (2.54)
0.085 (2.16)
Case Type GBU
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.