End of Life - February 2023
UG18xCT, UGF18xCT, UGB18xCT
www.vishay.com
Vishay General Semiconductor
Dual Common Cathode Ultrafast Plastic Rectifier
TO-220AB
FEATURES
ITO-220AB
• Power pack
• Glass passivated pellet chip junction
• Ultrafast recovery time
• Low switching losses, high efficiency
• Low forward voltage drop
2
3
1
1
UG18xCT Series
2
3
• High forward surge capability
• Meets MSL level 1, per J-STD-020, LF maximum peak of
245 °C (for TO-263AB package)
UGF18xCT Series
PIN 1
PIN 2
PIN 3
CASE
PIN 1
PIN 2
• Solder dip 275 °C max., 10 s per JESD 22-B106
(for TO-220AB and ITO-220AB package)
PIN 3
D2PAK (TO-263AB)
K
• AEC-Q101 qualified available
-Automotive ordering code: base P/NHE3
(for ITO-220AB and D2PAK (TO-263AB package))
2
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
1
UGB18xCT Series
PIN 1
K
PIN 2
TYPICAL APPLICATIONS
HEATSINK
For use in high frequency rectifier of switching mode power
supplies, inverters, freewheeling diodes, DC/DC converters,
and other power switching application.
LINKS TO ADDITIONAL RESOURCES
3D 3D
MECHANICAL DATA
3D Models
Case: TO-220AB, ITO-220AB, D2PAK (TO-263AB)
PRIMARY CHARACTERISTICS
IF(AV)
18 A
VRRM
50 V to 200 V
IFSM
175A
trr
20 ns
VF
0.95 V
Molding compound meets UL 94V-0 flammability rating
Base P/N-E3 - RoHS-compliant, commercial grade
Base P/NHE3_X - RoHS-compliant and AEC-Q101 qualified
(“_X” denotes revision code e.g. A, B,....)
Terminals: matte tin plated leads, solderable per
J-STD-002 and JESD22-B102
E3 suffix meets JESD 201 class 1A whisker test, HE3 suffix
meets JESD 201 class 2 whisker test
TJ max.
150 °C
Package
TO-220AB, ITO-220AB, D2PAK (TO-263AB)
Circuit configuration
Common cathode
Polarity: as marked
Mounting Torque: 10 in-lbs maximum
MAXIMUM RATINGS (TC = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
UG18ACT
UG18BCT
UG18CCT
UG18DCT
UNIT
Max. repetitive peak reverse voltage
VRRM
50
100
150
200
V
Max. RMS voltage
VRMS
35
70
105
140
V
Max. DC blocking voltage
VDC
50
100
150
200
V
Max. average forward rectified current at TC = 105 °C
IF(AV)
18
A
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load per diode
IFSM
175
A
TJ, TSTG
-65 to +150
°C
VAC
1500
V
Operating junction and storage temperature range
Isolation voltage (ITO-220AB only)
from terminal to heatsink t = 1 min
Revision: 05-Jun-2019
Document Number: 88759
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
End of Life - February 2023
UG18xCT, UGF18xCT, UGB18xCT
www.vishay.com
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TC = 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
SYMBOL UG18ACT UG18BCT UG18CCT UG18DCT
9.0 A
Max. instantaneous forward
voltage per diode (1)
UNIT
1.1
20 A
TJ = 100 °C
VF
TA = 25 °C
IR
1.2
5.0 A
V
0.95
Max. DC reverse current at
rated DC blocking voltage
per diode
10
TA = 100 °C
Max. reverse recovery time
per diode
IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A
trr
Max. reverse recovery time
per diode
IF = 9.0 A, VR = 30 V,
dI/dt = 50 A/μs,
Irr = 10 % IRM
trr
Max. stored charge per diode
IF = 9.0 A, VR = 30 V,
dI/dt = 50 A/μs,
Irr = 10 % IRM
Typical junction capacitance
per diode
at 4.0 V, 1 MHz
TJ = 25 °C
TJ = 100 °C
TJ = 25 °C
TJ = 100 °C
μA
300
20
ns
30
ns
50
20
Qrr
nC
45
CJ
30
pF
Notes
(1) Pulse test: 300 μs pulse width, 1 % duty cycle
THERMAL CHARACTERISTICS (TC = 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance from junction to case per diode
SYMBOL
UG18
UGF18
UGB18
UNIT
RθJC
4.0
6.0
4.0
°C/W
ORDERING INFORMATION (EXAMPLE)
PACKAGE
PREFERRED P/N
UNIT WEIGHT (g)
PACKAGE CODE
BASE QUANTITY
DELIVERY MODE
TO-220AB
UG18DCT-E3/45
1.85
45
50/tube
Tube
ITO-220AB
UGF18DCT-E3/45
2.00
45
50/tube
Tube
TO-263AB
UGB18DCT-E3/45
1.35
45
50/tube
Tube
TO-263AB
UGB18DCT-E3/81
1.35
81
800/reel
Tape and reel
ITO-220AB
UGF18DCTHE3_A/P (1)
2.00
P
50/tube
Tube
(1)
1.35
P
50/tube
Tube
1.35
I
800/reel
Tape and reel
TO-263AB
UGB18DCTHE3_A/P
TO-263AB
UGB18DCTHE3_A/I (1)
Note
AEC-Q101 qualified, available in ITO-220AB and TO-263AB package
(1)
Revision: 05-Jun-2019
Document Number: 88759
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
End of Life - February 2023
UG18xCT, UGF18xCT, UGB18xCT
www.vishay.com
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
24
1000
Instantaneous Reverse Leakage
Current (µA)
Average Forward Current (A)
Resistive or Inductive Load
20
16
12
8
4
TJ = 100 °C
10
1
TJ = 25 °C
0.1
0.01
0
0
25
50
75
100
125
150
0
175
20
40
60
80
100
Case Temperature (°C)
Percent of Rated Peak Reverse Voltage (%)
Fig. 1 - Forward Current Derating Curve
Fig. 4 - Typical Reverse Leakage Characteristics Per Diode
Stored Charge/Reverse Recovery Time
(nC/ns)
1000
Peak Forward Surge Current (A)
TJ = 125 °C
100
TC = 105 °C
8.3 ms Single Half Sine-Wave
100
10
1
10
60
50
dI/dt =
20 A/µs
40
50 A/µs
100 A/µs
50 A/µs
150 A/µs
30
20
20 A/µs
10
trr
Qrr
0
0
100
150 A/µs
100 A/µs
IF = 9.0 A
VR = 30 V
25
50
75
100
125
150
175
Number of Cycles at 60 Hz
Junction Temperature (°C)
Fig. 2 - Max. Non-Repetitive Peak Forward Surge Current Per Diode
Fig. 5 - Reverse Switching Characteristics Per Diode
100
10
Junction Capacitance (pF)
Instantaneous Forward Current (A)
100
TJ = 25 °C
Pulse Width = 300 µs
1 % Duty Cycle
1
0.1
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Instantaneous Forward Voltage (V)
Fig. 3 - Typical Instantaneous Forward Characteristics Per Diode
TJ = 125 °C
f = 1.0 MHz
Vsig = 50 mVp-p
10
1
0.1
1
10
100
Reverse Voltage (V)
Fig. 6 - Typical Junction Capacitance Per Diode
Revision: 05-Jun-2019
Document Number: 88759
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
End of Life - February 2023
UG18xCT, UGF18xCT, UGB18xCT
www.vishay.com
Vishay General Semiconductor
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
TO-220AB
0.415 (10.54) max.
0.370 (9.40)
0.360 (9.14)
0.185 (4.70)
0.175 (4.44)
0.055 (1.39)
0.045 (1.14)
0.154 (3.91)
0.148 (3.74)
0.113 (2.87)
0.103 (2.62)
PIN
1 2 3
0.635 (16.13)
0.625 (15.87)
0.160 (4.06)
0.140 (3.56)
0.145 (3.68)
0.135 (3.43)
0.057 (1.45)
0.045 (1.14)
0.035 (0.90)
0.028 (0.70)
0.104 (2.65)
0.096 (2.45)
0.022 (0.56)
0.014 (0.36)
0.205 (5.20)
0.195 (4.95)
ITO-220AB
0.404 (10.26)
0.384 (9.75)
0.076 (1.93) REF.
7° REF.
0.076 (1.93) REF.
45° REF.
0.140 (3.56) DIA.
0.125 (3.17) DIA.
0.671 (17.04)
0.651 (16.54)
PIN
1
2
3
0.057 (1.45)
0.045 (1.14)
0.105 (2.67)
0.095 (2.41)
0.135 (3.43) DIA.
0.122 (3.08) DIA.
7° REF.
0.110 (2.79)
0.100 (2.54)
0.057 (1.45)
0.045 (1.14)
0.035 (0.89)
0.025 (0.64)
0.025 (0.64)
0.015 (0.38)
0.190 (4.83)
0.170 (4.32)
0.110 (2.79)
0.100 (2.54)
7° REF.
0.350 (8.89)
0.330 (8.38)
0.191 (4.85)
0.171 (4.35)
0.560 (14.22)
0.530 (13.46)
0.028 (0.71)
0.020 (0.51)
0.205 (5.21)
0.195 (4.95)
D2PAK (TO-263AB)
0.411 (10.45)
0.380 (9.65)
0.110 (2.79)
0.100 (2.54)
0.560 (14.22)
0.530 (13.46)
0.105 (2.67)
0.095 (2.41)
0.600 (15.24)
0.580 (14.73)
0.603 (15.32)
0.573 (14.55)
0.350 (8.89)
0.330 (8.38)
1.148 (29.16)
1.118 (28.40)
0.190 (4.83)
0.160 (4.06)
0.245 (6.22)
MIN.
Mounting Pad Layout
0.42 (10.66) min.
0.055 (1.40)
0.045 (1.14)
K
0.33 (8.38) min.
0.360 (9.14)
0.320 (8.13)
1
K
2
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)
0.037 (0.940)
0.027 (0.686)
0.105 (2.67)
0.095 (2.41)
0.055 (1.40)
0.047 (1.19)
0.205 (5.20)
0.195 (4.95)
0.140 (3.56)
0.110 (2.79)
0.15 (3.81) min.
0.08 (2.032) MIN.
0.105 (2.67)
0.095 (2.41)
Revision: 05-Jun-2019
Document Number: 88759
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
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Vishay
Disclaimer
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
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Revision: 01-Jan-2023
1
Document Number: 91000