BU2506, BU2508, BU2510
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Vishay General Semiconductor
Enhanced isoCink+™ Bridge Rectifiers
FEATURES
• UL recognition file number E312394
• Thin single in-line package
• Glass passivated chip junction
+
~
~
-
~
~
+
isoCink+™
Case Style BU
• Superior thermal conductivity
Available
• Solder dip 275 °C max. 10 s, per JESD 22-B106
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
TYPICAL APPLICATIONS
General purpose use in AC/DC bridge full wave rectification
for switching power supply, home appliances and
white-goods applications.
+
~
~
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MECHANICAL DATA
LINKS TO ADDITIONAL RESOURCES
3D 3D
3D Models
PRIMARY CHARACTERISTICS
IF(AV)
25 A
VRRM
600 V, 800 V, 1000 V
IFSM
300 A
IR
5 μA
VF at IF = 12.5 A
0.87 V
TJ max.
150 °C
Package
BU
Circuit configurations
In-line
Case: BU
Molding compound meets UL 94 V-0 flammability rating
Base P/N-E3 - RoHS-compliant, commercial grade
Base P/N-M3 - halogen-free, RoHS-compliant, and
commercial grade
Terminals: matte tin plated leads, solderable per
J-STD-002 and JESD 22-B102
E3 and M3 suffix meet JESD 201 class 1A whisker test
Polarity: as marked on body
Mounting Torque: 10 cm-kg (8.8 inches-lbs) max.
Recommended Torque: 5.7 cm-kg (5 inches-lbs)
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER
Maximum repetitive peak reverse voltage
Average rectified forward current (Fig. 1, 2)
Non-repetitive peak forward surge current
8.3 ms single sine-wave, TJ = 25 °C
Rating for fusing (t < 8.3 ms) TJ = 25 °C
Operating junction and storage temperature range
TC = 60 °C (1)
TA = 25 °C (2)
SYMBOL
BU2506
BU2508
BU2510
UNIT
VRRM
600
800
1000
V
IO
25
3.5
A
IFSM
300
A
I2t
373
A2s
TJ, TSTG
-55 to +150
°C
Notes
(1) With 60 W air cooled heatsink
(2) Without heatsink, free air
Revision: 08-Jul-2022
Document Number: 84805
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
BU2506, BU2508, BU2510
www.vishay.com
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
Maximum instantaneous forward
voltage per diode (1)
IF = 12.5 A
Maximum reverse current per diode
rated VR
Typical junction capacitance per diode
4.0 V, 1 MHz
SYMBOL
TA = 25 °C
TA = 125 °C
TA = 25 °C
TA = 125 °C
VF
IR
CJ
TYP.
MAX.
0.97
1.05
0.87
0.95
-
5.0
120
350
125
-
UNIT
V
μA
pF
Note
(1) Pulse test: 300 μs pulse width, 1 % duty cycle
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
Typical thermal resistance
BU2506
BU2508
RθJC (1)
2.0
RθJA (2)
20
BU2510
UNIT
°C/W
Notes
With 60 W air cooled heatsink
(2) Without heatsink, free air
(1)
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g)
PREFERRED PACKAGE CODE
BASE QUANTITY
BU2506-E3/45
4.84
45
20
DELIVERY MODE
Tube
BU2506-E3/51
4.84
51
250
Paper tray
BU2506-M3/45
4.84
45
20
Tube
Revision: 08-Jul-2022
Document Number: 84805
2
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
BU2506, BU2508, BU2510
www.vishay.com
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise specified)
100
With Heatsink
Sine-Wave, R-Load
Instantaneous Forward Current ( A )
Average Forward Output Current (A)
30
25
20
15
TC
TC
10
5
TC Measured at Device Bottom
0
0
40
20
60
80
120
140
0.1
TJ = 25 °C
0.2
160
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
Case Temperature (°C)
Instantaneous Forward Voltage ( V )
Fig. 1 - Derating Curve Output Rectified Current
Fig. 4 - Typical Forward Characteristics Per Diode
1000
Instantaneous Reverse Current (µA)
Average Forward Rectified Current (A)
TJ = 125 °C
1
0.01
100
5
4
3
2
Without Heatsink
Sine-Wave, R-Load
Free Air, TA
1
0
TJ = 150 °C
100
TJ = 125 °C
10
1
TJ = 25 °C
0.1
0
25
50
75
100
125
150
10
20
30
40
50
60
70
80
90
100
Ambient Temperature (°C)
Percent of Rated Peak Reverse Voltage (%)
Fig. 2 - Forward Current Derating Curve
Fig. 5 - Typical Reverse Characteristics Per Diode
1000
Junction Capacitance (pF)
50
Forward Power Dissipation (W)
TJ = 150 °C
10
40
30
20
10
100
10
0
0
5
10
15
20
25
30
0.1
1
10
100
Average Forward Current (A)
Reverse Voltage (V)
Fig. 3 - Forward Power Dissipation
Fig. 6 - Typical Junction Capacitance Per Diode
Revision: 08-Jul-2022
Document Number: 84805
3
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
BU2506, BU2508, BU2510
www.vishay.com
Vishay General Semiconductor
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
Case Type BU
0.161 (4.10)
0.142 (3.60)
0.880 (22.3)
0.860 (21.8)
View A
0.020R (TYP.)
0.125 (3.2) x 45°
Chamfer
0.080 (2.03)
0.060 (1.52)
0.310 (7.9)
0.290 (7.4)
0.160 (4.1)
0.140 (3.5)
0.740 (18.8)
0.720 (18.3)
0.075
(1.9) R
+
9°
TYP.
~
~
0.085 (2.16)
0.065 (1.65)
-
5°
TYP.
0.048 (1.23)
0.039 (1.00)
0.710 (18.0)
0.690 (17.5)
0.050 (1.27)
0.040 (1.02)
0.100 (2.54)
0.085 (2.16)
0.190 (4.83)
0.210 (5.33)
0.028 (0.72)
0.020 (0.52)
0.080 (2.03)
0.065 (1.65)
Polarity shown on front side of case, positive lead beveled corner
0.055 (1.385) REF.
0.094 (2.39) x 45° REF.
R 0.11
(2.78) REF.
0.64 (16.28) REF.
0.62 (15.78) REF.
R 0.10
(2.60) REF.
0.055 (1.385) REF.
Revision: 08-Jul-2022
Document Number: 84805
4
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
BU2506, BU2508, BU2510
www.vishay.com
Vishay General Semiconductor
APPLICATION NOTE
1. Device UL approved for safety use dielectric strength of 1500 V
2. If device is mounted in Floating Ground (F. G.) application, insulator is recommended to use to meet safety requirement.
3. Heat sink shape recommendation:
(3)
2.5 mm MIN.
Heatsink
2.5 mm MIN.
By Safety Requirements
Revision: 08-Jul-2022
Document Number: 84805
5
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
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Revision: 01-Jan-2023
1
Document Number: 91000