U8xT, UF8xT, UB8xT
www.vishay.com
Vishay General Semiconductor
Ultrafast Rectifier
TO-220AC
ITO-220AC
FEATURES
• Power pack
• Oxide planar chip junction
• Ultrafast recovery time
• Low switching losses, high efficiency
• High forward surge capability
• Meets MSL level 1, per J-STD-020,
LF maximum peak of 245 °C (for TO-263AB package)
• Solder dip 275 °C max., 10 s per JESD 22-B106
(for TO-220AC and ITO-220AC package)
• Material categorization: For definitions of compliance
please see
www.vishay.com/doc?99912
2
1
U8xT
PIN 1
PIN 2
2
UF8xT
PIN 1
1
CASE
PIN 2
TO-263AB
K
TYPICAL APPLICATIONS
2
1
UB8xT
PIN 1
PIN 2
K
HEATSINK
For use in high frequency rectification and freewheeling
application in switching mode converters and inverters for
consumer computer, automotive and telecommunication
applications.
MECHANICAL DATA
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
t
rr
V
F
at I
F
= 8 A
T
J
max.
Package
Diode variations
8.0 A
100 V to 200 V
100 A
20 ns
0.79 V
150 °C
TO-220AC, ITO-220AC,
TO-263AB
Single die
Case:
TO-220AC, ITO-220AC, TO-263AB
Molding compound meets UL 94V-0 flammability rating
Base P/N-E3 - RoHS-compliant, commercial grade
Terminals:
Matte tin plated leads, solderable
J-STD-002 and JESD22-B102
E3 suffix meets JESD 201 class 1A whisker test
Polarity:
As marked
Mounting Torque:
10 in-lbs max.
per
MAXIMUM RATINGS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
Max. repetitive peak reverse voltage
Max. average forward rectified current (Fig. 1)
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load
Isolation voltage (ITO-220AC only)
from terminals to heatsink t = 1 min
Operating junction and storage temperature range
SYMBOL
V
RRM
V
F(AV)
I
FSM
V
AC
T
J
, T
STG
U8BT
100
U8CT
150
8.0
100
1500
-55 to +150
U8DT
200
UNIT
V
V
A
V
°C
Revision: 03-Apr-14
Document Number: 89086
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
U8xT, UF8xT, UB8xT
www.vishay.com
Vishay General Semiconductor
TEST CONDITIONS
SYMBOL
TYP.
0.90
T
A
= 25 °C
V
F
T
A
= 150 °C
T
A
= 25 °C
T
A
= 100 °C
0.96
1.12
0.72
0.79
0.99
I
R
t
rr
t
rr
Q
rr
t
rr
Q
rr
C
J
-
200
15
19
7.1
23
6.5
25
MAX.
-
1.02
-
-
0.86
-
10
500
20
-
-
-
-
-
μA
ns
ns
nC
ns
nC
pF
V
UNIT
ELECTRICAL CHARACTERISTICS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
I
F
= 5 A
I
F
= 8 A
Instantaneous forward voltage
(1)
I
F
= 20 A
I
F
= 5 A
I
F
= 8 A
I
F
= 20 A
Reverse current
(2)
Reverse recovery time
Reverse recovery time
Storage charge
Reverse recovery time
Storage charge
Typical junction capacitance
Rated V
R
I
F
= 0.5 A, I
R
= 1.0 A, I
rr
= 0.25 A
I
F
= 1.0 A, dI/dt = 100 A/μs, V
R
= 30 V,
I
rr
= 0.1 I
RM
I
F
= 8 A, dI/dt = 50 A/μs, V
R
= 30 V,
I
rr
= 0.1 I
RM
4.0 V, 1 MHz
Notes
(1)
Pulse test: 300 μs pulse width, 1 % duty cycle
(2)
Pulse test: Pulse width
40
ms
THERMAL CHARACTERISTICS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance from junction to case
SYMBOL
R
JC
U8xT
4.0
UF8xT
5.0
UB8xT
4.0
UNIT
°C/W
ORDERING INFORMATION
(Example)
PACKAGE
TO-220AC
ITO-220AC
TO-263AB
TO-263AB
PREFERRED P/N
U8DT-E3/4W
UF8DT-E3/4W
UB8DT-E3/4W
UB8DT-E3/8W
UNIT WEIGHT (g)
1.83
1.69
1.37
1.37
PACKAGE CODE
4W
4W
4W
8W
BASE QUANTITY
50/tube
50/tube
50/tube
800/reel
DELIVERY MODE
Tube
Tube
Tube
Tape and reel
Revision: 03-Apr-14
Document Number: 89086
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
U8xT, UF8xT, UB8xT
www.vishay.com
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES
(
T
A
= 25 °C unless otherwise noted)
12
10
Average Forward Rectified Current (A)
10
Instantaneous Forward Current (A)
Resistive or Inductive Load
T
A
= 150 °C
1
T
A
= 125 °C
8
U8 and UB8
6
UF8
T
A
= 100 °C
4
0.1
2
T
A
= 25 °C
0.01
0.1
0
0
25
50
75
100
125
150
175
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Ambient Temperature (°C)
Instantaneous Forward Voltage (V)
Fig. 1 - Max. Forward Current Derating Curve
Fig. 3 - Typical Instantaneous Forward Charateristics
9
8
D = 0.8
D = 0.5
D = 0.3
D = 0.2
D = 0.1
T
D = 1.0
10 000
Instantaneous Reverse Current (µA)
T
A
= 150 °C
1000
T
A
= 125 °C
Average Power Loss (W)
7
6
5
4
3
2
1
0
0
1
2
3
100
T
A
= 100 °C
10
T
A
= 25 °C
1
D = t
p
/T
4
5
6
7
8
t
p
9
10
0.1
10
20
30
40
50
60
70
80
90
100
Average Forward Current (A)
Percent of Rated Peak Reverse Voltage (%)
Fig. 2 - Forward Power Loss Characteristics
Fig. 4 - Typical Reverse Leakage Charateristics
100
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mV
p-p
Junction Capacitance (pF)
10
1
0.1
1
10
100
Reverse Voltage (V)
Fig. 5 - Typical Junction Capacitance
Revision: 03-Apr-14
Document Number: 89086
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
U8xT, UF8xT, UB8xT
www.vishay.com
PACKAGE OUTLINE DIMENSIONS
in inches (millimeters)
TO-220AC
0.415 (10.54) MAX.
0.370 (9.40)
0.360 (9.14)
0.154 (3.91) DIA.
0.148 (3.74) DIA.
0.113 (2.87)
0.103 (2.62)
0.145 (3.68)
0.135 (3.43)
0.635 (16.13)
0.625 (15.87)
1
0.160 (4.06)
0.140 (3.56)
0.057 (1.45)
0.045 (1.14)
0.105 (2.67)
0.095 (2.41)
PIN 1
PIN 2
CASE
Vishay General Semiconductor
ITO-220AC
0.404 (10.26)
0.384 (9.75)
0.185 (4.70)
0.175 (4.44)
0.055 (1.39)
0.045 (1.14)
45° REF.
0.076 (1.93) REF.
0.076 (1.93) REF.
7° REF.
0.140 (3.56) DIA.
0.125 (3.17) DIA.
0.671 (17.04)
0.651 (16.54)
PIN
0.190 (4.83)
0.170 (4.32)
0.110 (2.79)
0.100 (2.54)
0.135 (3.43) DIA.
0.122 (3.08) DIA.
0.350 (8.89)
0.330 (8.38)
1.148 (29.16)
1.118 (28.40)
0.603 (15.32)
0.573 (14.55)
0.600 (15.24)
0.580 (14.73)
7° REF.
0.350 (8.89)
0.330 (8.38)
PIN
1
2
0.191 (4.85)
0.171 (4.35)
7° REF.
2
0.110 (2.79)
0.100 (2.54)
0.560 (14.22)
0.530 (13.46)
0.560 (14.22)
0.530 (13.46)
0.057 (1.45)
0.045 (1.14)
0.110 (2.79)
0.100 (2.54)
0.037 (0.94)
0.027 (0.68)
0.205 (5.20)
0.195 (4.95)
0.022 (0.56)
0.014 (0.36)
0.025 (0.64)
0.015 (0.38)
0.035 (0.89)
0.025 (0.64)
0.205 (5.21)
0.195 (4.95)
0.028 (0.71)
0.020 (0.51)
TO-263AB
0.411 (10.45)
0.380 (9.65)
0.245 (6.22)
MIN.
K
0.360 (9.14)
0.320 (8.13)
1
K
2
0.055 (1.40)
0.047 (1.19)
0.190 (4.83)
0.160 (4.06)
0.055 (1.40)
0.045 (1.14)
Mounting Pad Layout
0.42 (10.66) MIN.
0.33 (8.38) MIN.
0.624 (15.85)
0.591 (15.00)
0.670 (17.02)
0.591 (15.00)
0 to 0.01 (0 to 0.254)
0.110 (2.79)
0.090 (2.29)
0.021 (0.53)
0.014 (0.36)
0.15 (3.81) MIN.
0.08 (2.032) MIN.
0.105 (2.67)
0.095 (2.41)
0.037 (0.940)
0.027 (0.686)
0.105 (2.67)
0.095 (2.41)
0.205 (5.20)
0.195 (4.95)
0.140 (3.56)
0.110 (2.79)
Revision: 03-Apr-14
Document Number: 89086
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
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© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
