UG(F,B)8AT thru UG(F,B)8DT
Vishay General Semiconductor
Ultrafast Rectifier
TO-220AC
ITO-220AC
FEATURES
• Glass passivated chip junction
• Ultrafast recovery time
• Low switching losses, high efficiency
• High forward surge capability
• Meets MSL level 1, per J-STD-020C, LF maximum
peak of 245 °C (for TO-263AB package)
• Solder dip 260 °C, 40 s (for TO-220AC and
ITO-220AC package)
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
TYPICAL APPLICATIONS
For use in high frequency rectifier of switching mode
power supplies, inverters, freewheeling diodes,
dc-to-dc converters, and other power switching
application.
MECHANICAL DATA
Case:
TO-220AC, ITO-220AC, TO-263AB
Epoxy meets UL 94V-0 flammability rating
Terminals:
Matte tin plated leads, solderable per
J-STD-002B and JESD22-B102D
E3 suffix for commercial grade, meets JESD 201 class
1A whisker test, HE3 suffix for high reliability grade
(AEC Q101 qualified), meets JESD 201 class 2
whisker test
Polarity:
As marked
Mounting Torque:
10 in-lbs maximum
2
UG8xT
PIN 1
PIN 2
2
1
UGF8xT
PIN 1
1
CASE
PIN 2
TO-263AB
K
2
1
UGB8xT
PIN 1
PIN 2
K
HEATSINK
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
t
rr
V
F
T
J
max.
8.0 A
50 V to 200 V
150 A
20 ns
0.95 V
150 °C
MAXIMUM RATINGS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at T
C
= 100 °C
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load
Operating junction and storage temperature range
Isolation voltage (ITO-220AC only)
from terminals to heatsink t = 1 min
SYMBOL
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
T
J
, T
STG
V
AC
UG8AT
50
35
50
UG8BT
100
70
100
8.0
150
- 55 to + 150
1500
UG8CT
150
105
150
UG8DT
200
140
200
UNIT
V
V
V
A
A
°C
V
Document Number: 88765
Revision: 09-Nov-07
www.vishay.com
1
UG(F,B)8AT thru UG(F,B)8DT
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
Maximum instantaneous
forward voltage
(1)
Maximum DC reverse current at
rated DC blocking voltage
Maximum reverse recovery time
Maximum reverse recovery time
Maximum recovered stored
charged
Typical junction capacitance
8.0 A
20.0 A
5.0 A
TEST CONDITIONS
SYMBOL
V
F
T
J
= 150 °C
T
J
= 25 °C
T
J
= 100 °C
I
F
= 0.5 A, I
R
= 1.0 A, I
rr
= 0.25 A
I
F
= 8.0 A, V
R
= 30 V,
dI/dt = 50 A/µs,
I
rr
= 10 % I
RM
I
F
= 8.0 A, V
R
= 30 V,
dI/dt = 50 A/µs
4.0 V, 1 MHz
T
J
= 25 °C
T
J
= 100 °C
T
J
= 25 °C
T
J
= 100 °C
I
R
t
rr
t
rr
UG8AT
UG8BT
UG8CT
UG8DT
UNIT
V
1.0
1.2
0.95
10
300
20
30
50
20
45
45
µA
ns
ns
Q
rr
C
J
nC
pF
THERMAL CHARACTERISTICS
(T
C
= 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance from junction to case
Note:
(1) Pulse test: 300 µs pulse width, 1 % duty cycle
SYMBOL
R
θJC
UG8AT
4.0
UGF8AT
5.0
UGB8AT
4.0
UNIT
°C/W
ORDERING INFORMATION
(Example)
PACKAGE
TO-220AC
ITO-220AC
TO-263AB
TO-263AB
TO-220AC
ITO-220AC
TO-263AB
TO-263AB
Note:
(1) Automotive grade AEC Q101 qualified
PREFERRED P/N
UG8DT-E3/45
UGF8DT-E3/45
UGB8DT-E3/45
UGB8DT-E3/81
UG8DTHE3/45
(1)
UGF8DTHE3/45
(1)
UGB8DTHE3/45
(1)
UGB8DTHE3/81
(1)
UNIT WEIGHT (g)
1.80
1.95
1.33
1.33
1.80
1.95
1.33
1.33
PACKAGE CODE
45
45
45
81
45
45
45
81
BASE QUANTITY
50/tube
50/tube
50/tube
800/reel
50/tube
50/tube
50/tube
800/reel
DELIVERY MODE
Tube
Tube
Tube
Tape reel
Tube
Tube
Tube
Tape reel
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Document Number: 88765
Revision: 09-Nov-07
UG(F,B)8AT thru UG(F,B)8DT
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
12
1000
Resistive or Inductive Load
10
Average Forward Rectified Current (A)
Instantaneous Reverse Leakage
Current (µA)
T
J
= 125 °C
100
T
J
= 100 °C
8
10
6
1
T
J
= 25 °C
0.1
4
2
0
0
25
50
75
100
125
150
175
0.01
0
20
40
60
80
100
Ambient Temperature (°C)
Percent of Rated Peak Reverse
Voltage
(%)
Figure 1. Maximum Forward Current Derating Curve
Figure 4. Typical Reverse Charateristics
1000
60
Recovered Store Charge/Reverse
Recovery Time (nC/ns)
Peak Forward Surge Current (A)
T
C
= 100 °C
8.3
ms Single Half Sine-Wave
50
I
F
= 4.0 A
V
R
= 30
V
dI/dt = 150 A/µs
dI/dt = 100 A/µs
20 A/µs
40
50 A/µs
100 A/µs
30
150 A/µs
20 A/µs
10
t
rr
Q
rr
0
25
50
75
100
125
150
175
50 A/µs
100
20
10
1
10
100
0
Number
of Cycles at 60 Hz
Junction Temperature (°C)
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
Figure 5. Reverse Switching Characteristics
100
100
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mVp-p
Instantaneous Forward Current (A)
10
1
T
J
= 25 °C
Pulse
Width
= 300
µs
1
%
Duty Cycle
Junction Capacitance (pF)
1.4
1.6
10
0.1
0.01
0.4
0.6
0.8
1.0
1.2
1
0.1
1
10
100
Instantaneous Forward
Voltage
(V)
Reverse
Voltage
(V)
Figure 3. Typical Instantaneous Forward Charateristics
Figure 6. Typical Junction Capacitance
Document Number: 88765
Revision: 09-Nov-07
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UG(F,B)8AT thru UG(F,B)8DT
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)
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)
0.670 (17.02)
0.591 (15.00)
0.15 (3.81) MIN.
0.08 (2.032) MIN.
0.105 (2.67)
0.095 (2.41)
0.33 (8.38) MIN.
0.190 (4.83)
0.160 (4.06)
0.055 (1.40)
0.045 (1.14)
Mounting Pad Layout
0.42 (10.66) MIN.
0.624 (15.85)
0.591 (15.00)
0.037 (0.940)
0.027 (0.686)
0.105 (2.67)
0.095 (2.41)
0 to 0.01 (0 to 0.254)
0.110 (2.79)
0.090 (2.29)
0.021 (0.53)
0.014 (0.36)
0.205 (5.20)
0.195 (4.95)
0.140 (3.56)
0.110 (2.79)
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Document Number: 88765
Revision: 09-Nov-07
Legal Disclaimer Notice
Vishay
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.
Document Number: 91000
Revision: 08-Apr-05
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