New Product
UH8JT & UHF8JT
Vishay General Semiconductor
High Voltage Ultrafast Rectifier
FEATURES
TO-220AC
ITO-220AC
• Oxide planar chip junction
• Ultrafast recovery time
• Soft recovery characteristics
• Low switching losses, high efficiency
• High forward surge capability
2
1
UH8JT
PIN 1
PIN 2
CASE
PIN 1
PIN 2
2
1
UHF8JT
• Solder dip 260 °C, 40 s
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
TYPICAL APPLICATIONS
For use in high voltage continuous mode power factor
correctors (CCM PFC), switching mode power
supplies, freewheeling diodes and secondary dc-to-dc
rectification application.
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
t
rr
V
F
at I
F
= 8 A
T
J
max.
8A
600 V
80 A
25 ns
1.47 V
175 °C
MECHANICAL DATA
Case:
TO-220AC, ITO-220AC
Epoxy meets UL 94V-0 flammability rating
Terminals:
Matte tin plated leads, solderable per
J-STD-002 and JESD22-B102
E3 suffix for consumer grade, meets JESD 201 class
1A whisker test
Polarity:
As marked
Mounting Torque:
10 in-lbs maximum
MAXIMUM RATINGS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
Maximum repetitive peak reverse voltage
Maximum 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 terminal to heatsink t = 1 min
Operating junction and storage temperature range
SYMBOL
V
RRM
I
F(AV)
I
FSM
V
AC
T
J
, T
STG
UH8JT
600
8
80
1500
- 55 to + 175
UHF8JT
UNIT
V
A
A
V
°C
ELECTRICAL CHARACTERISTICS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
I
F
= 4 A
I
F
= 8 A
I
F
= 4 A
I
F
= 8 A
T
A
= 25 °C
V
F
T
A
= 125 °C
SYMBOL
TYP.
1.82
2.30
1.20
1.47
MAX.
-
3.0
V
-
1.8
UNIT
Instantaneous forward voltage
(1)
Document Number: 88956
Revision: 13-May-08
For technical questions within your region, please contact one of the following:
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
www.vishay.com
1
New Product
UH8JT & UHF8JT
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
Reverse current
(2)
TEST CONDITIONS
V
R
= 600 V
T
A
= 25 °C
T
A
= 125 °C
SYMBOL
I
R
TYP.
-
-
-
t
rr
-
S
I
F
= 8 A, dI/dt = 200 A/µs,
V
R
= 400 V, T
J
= 125 °C
I
F
= 8 A, dI/dt = 64 A/µs,
V
F
= 1.1 x V
F
max.
I
RM
Q
rr
t
fr
0.5
7.0
160
150
45
-
7.7
-
-
-
A
nC
ns
MAX.
5.0
100
25
ns
UNIT
µA
Maximum reverse recovery time
I
F
= 0.5 A, I
R
= 1.0 A,
I
rr
= 0.25 A
I
F
= 1.0 A, dI/dt = 50 A/µs,
V
R
= 30 V, I
rr
= 0.1 I
RM
Typical softness factor (t
b
/t
a
)
Typical reverse recovery current
Typical stored charge
Typical forward recovery time
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
θJC
UH8JT
2.0
UHF8JT
4.0
UNIT
°C/W
ORDERING INFORMATION
(Example)
PACKAGE
TO-220AC
ITO-220AC
PREFERRED P/N
UH8JT-E3/45
UHF8JT-E3/45
UNIT WEIGHT (g)
1.83
1.72
PACKAGE CODE
45
45
BASE QUANTITY
50/tube
50/tube
DELIVERY MODE
Tube
Tube
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
12.0
16
Resistive or Inductive Load
10.0
D = 0.8
14
D = 0.5
D = 0.3
12
10
8
6
4
2
0
25
50
75
100
125
150
175
0
0
1
2
3
4
5
6
7
8
9
D = t
p
/T
t
p
T
D = 0.1
D = 0.2
D = 1.0
Average Forward Rectified Current (A)
8.0
UH8JT
6.0
UHF8JT
4.0
2.0
Case Temperature (°C)
Average Power Loss (W)
Average Forward Current (A)
Figure 1. Maximum Forward Current Derating Curve
Figure 2. Forward Power Loss Characteristics
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For technical questions within your region, please contact one of the following:
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
Document Number: 88956
Revision: 13-May-08
New Product
UH8JT & UHF8JT
Vishay General Semiconductor
100
10
T
A
= 175 °C
10
T
A
= 125 °C
Transient Thermal Impedance (°C/W)
Instantaneous Forward Current (A)
UH8JT
1
1
T
A
= 25 °C
0.1
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8
0.1
0.01
0.1
1
10
100
Instantaneous Forward
Voltage
(V)
t - Pulse Duration (s)
Figure 3. Typical Instantaneous Forward Characteristics
Figure 6. Typical Transient Thermal Impedance
1000
T
A
= 175 °C
10
100
10
T
A
= 125 °C
Transient Thermal Impedance (°C/W)
Instantaneous Reverse Current (µA)
UHF8JT
1
0.1
T
A
= 25 °C
0.01
0.001
10
20
30
40
50
60
70
80
90
100
1
0.01
0.1
1
10
100
Percent of Rated Peak Reverse
Voltage
(%)
t - Pulse Duration (s)
Figure 4. Typical Reverse Leakage Characteristics
Figure 7. Typical Transient Thermal Impedance
1000
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mVp-p
100
Junction Capacitance (pF)
10
1
0.1
1
10
100
Reverse
Voltage
(V)
Figure 5. Typical Junction Capacitance
Document Number: 88956
Revision: 13-May-08
For technical questions within your region, please contact one of the following:
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
www.vishay.com
3
New Product
UH8JT & UHF8JT
Vishay General Semiconductor
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
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.
0.671 (17.04)
0.651 (16.54)
PIN
0.076 (1.93) REF.
0.076 (1.93) REF.
7° REF.
0.140 (3.56) DIA.
0.125 (3.17) DIA.
0.135 (3.43) DIA.
0.122 (3.08) DIA.
0.190 (4.83)
0.170 (4.32)
0.110 (2.79)
0.100 (2.54)
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)
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For technical questions within your region, please contact one of the following:
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
Document Number: 88956
Revision: 13-May-08
Legal Disclaimer Notice
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
purpose, non-infringement and merchantability.
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 and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
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