0.140 (3.56)
0.160 (4.06)
0.105 (2.67)
0.095 (2.41)
Document Number 88759
01-Oct-03
Features
• Plastic package has Underwriters Laboratory
• Ideally suited for free wheeling diode, power factor
• Soft recovery characteristics
• Excellent high temperature switching
• Optimized to reduce switching losses
• Glass passivated chip junction
0.104 (2.65)
0.096 (2.45)
Flammability Classification 94V-0
correction applications
0.415 (10.54) MAX.
1
0.410 (10.41)
Mounting Pad Layout TO-263AB
0.370 (9.40)
0.360 (9.14)
0.390 (9.91)
TO-220AB (UG18CT Series)
PIN
2
3
(17.02)
PIN 1
PIN 3
(2.032)
0.63
0.08
0.195 (4.95)
0.205 (5.20)
0.035 (0.90)
0.028 (0.70)
0.635 (16.13)
0.625 (15.87)
0.113 (2.87)
0.103 (2.62)
0.148 (3.74)
0.154 (3.91)
(6.096)
(10.66)
0.24
0.42
1.118 (28.40)
CASE
1.148 (29.16)
PIN 2
(3.05)
Dual Ultrafast Plastic Rectifiers
0.12
0.135 (3.43)
0.145 (3.68)
0.350 (8.89)
0.330 (8.38)
0.014 (0.36)
0.022 (0.56)
(8.38)
0.530 (13.46)
0.560 (14.22)
0.33
0.573 (14.55)
0.175 (4.44)
0.603 (15.32)
0.185 (4.70)
0.100 (2.54)
0.055 (1.39)
0.045 (1.14)
0.110 (2.79)
UG18CT, UGF18CT, UGB18CT Series
0.560 (14.22)
0.530 (13.46)
0.600 (15.5)
0.580 (14.5)
0.360 (9.14)
0.320 (8.13)
0.027 (0.686)
0.037 (0.940)
0.105 (2.67)
0.095 (2.41)
0.105 (2.67)
0.095 (2.41)
Mechanical Data
Case: JEDEC TO-220AB, ITO-220AB & TO-263AB
molded plastic body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering guaranteed:
250°C/10 sec. at terminals
Polarity: As marked Mounting Position: Any
Mounting Torque: 10 in-lbs maximum
Weight: 0.08 oz., 2.24 g
1
0.405 (10.27)
0.383 (9.72)
1
0.411 (10.45)
0.245 (6.22)
ITO-220AB (UGF18CT Series)
0.380 (9.65)
TO-263AB (UGB18CT Series)
PIN
2
MIN
K
K
3
2
0.191 (4.85)
0.171 (4.35)
0.205 (5.20)
0.195 (4.95)
0.037 (0.94)
0.027 (0.69)
0.060 (1.52)
PIN
1
PIN
2
Vishay Semiconductors
0.205 (5.20)
0.195 (4.95)
formerly General Semiconductor
0.624 (15.85)
0.591(15.00)
0.676 (17.2)
0.646 (16.4)
PIN 1
PIN 3
Reverse Recovery Time 20ns
Reverse Voltage 50 to 200V
0.190 (4.83)
0.160 (4.06)
0.140 (3.56)
0.130 (3.30)
K -
HEATSINK
0.350 (8.89)
0.330 (8.38)
PIN 2
Forward Current 18A
DIA.
www.vishay.com
0.022 (0.55)
0.014 (0.36)
0.055 (1.40)
0.047 (1.19)
0.055 (1.40)
0.045 (1.14)
0.110 (2.79)
0.090 (2.29)
0.110 (2.79)
0-0.01 (0-0.254)
0.021 (0.53)
0.014 (0.36)
0.140 (3.56)
0.131 (3.39)
0.122 (3.08)
0.188 (4.77)
0.172 (4.36)
0.110 (2.80)
0.100 (2.54)
0.110 (2.80)
0.100 (2.54)
1
DIA.