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 New Product
U(F,B)8BT thru U(F,B)8DT
Vishay General Semiconductor
Ultrafast Rectifier
TO-220AC ITO-220AC
FEATURES * Oxide planar chip junction * Ultrafast recovery time * Low switching losses, high efficiency * High forward surge capability
2 1 U8xT
PIN 1
PIN 2
2 UF8xT
PIN 1
1
* Meets MSL level 1, per J-STD-020, 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
CASE
PIN 2
TO-263AB K
2 1 UB8xT
PIN 1 PIN 2 K HEATSINK
TYPICAL APPLICATIONS For use in high frequency rectification and freewheeling application in switching mode converters and inverters for consumer computer, automotive and telecommunication applications. 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-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
PRIMARY CHARACTERISTICS
IF(AV) VRRM IFSM trr VF at IF = 8 A TJ max. 8.0 A 100 V to 200 V 100 A 20 ns 0.79 V 150 C
MAXIMUM RATINGS (TC = 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 terminals to heatsink t = 1 min Operating junction and storage temperature range SYMBOL VRRM VF(AV) IFSM VAC TJ, TSTG U8BT 100 U8CT 150 8.0 100 1500 - 55 to + 150 U8DT 200 UNIT V V A V C
Document Number: 89086 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
U(F,B)8BT thru U(F,B)8DT
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TC = 25 C unless otherwise noted)
PARAMETER TEST CONDITIONS IF = 5 A IF = 8 A IF = 20 A IF = 5 A IF = 8 A IF = 20 A Reverse current (2) Reverse recovery time Reverse recovery time Storage charge Reverse recovery time Storage charge Typical junction capacitance rated VR TA = 25 C VF TA = 150 C TA = 25 C TA = 100 C SYMBOL TYP. 0.90 0.96 1.12 0.72 0.79 0.99 200 15 19 7.1 23 6.5 25 MAX. 1.02 V 0.86 10 500 20 A mA ns ns nC ns nC pF UNIT
Instantaneous forward voltage (1)
IR trr trr Qrr trr Qrr CJ
IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A IF = 1.0 A, dI/dt = 100 A/s, VR = 30 V, Irr = 0.1 IRM IF = 8 A, dI/dt = 50 A/s, VR = 30 V, Irr = 0.1 IRM 4.0 V, 1 MHz
Notes: (1) Pulse test: 300 s pulse width, 1 % duty cycle (2) Pulse test: Pulse width 40 ms
THERMAL CHARACTERISTICS (TC = 25 C unless otherwise noted)
PARAMETER Typical thermal resistance from junction to case SYMBOL RJC 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
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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: 89086 Revision: 13-May-08
New Product
U(F,B)8BT thru U(F,B)8DT
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES (TA = 25 C unless otherwise noted)
12 10 000
Average Forward Rectified Current (A)
Instantaneous Reverse Current (A)
Resistive or Inductive Load 10
TA = 150 C 1000 TA = 125 C
8 U8 & UB8 6 UF8
100
TA = 100 C
10 TA = 25 C
4
2
1
0 0 25 50 75 100 125 150 175
0.1 10 20 30 40 50 60 70 80 90 100
Ambient Temperature (C)
Percent of Rated Peak Reverse Voltage (%)
Figure 1. Maximum Forward Current Derating Curve
Figure 4. Typical Reverse Leakage Charateristics
9 8 D = 0.8 D = 0.5 D = 0.3 D = 0.2 D = 0.1 T D = 1.0
100 TJ = 25 C f = 1.0 MHz Vsig = 50 mVp-p
7 6 5 4 3 2 1 0 0 1 2 3
Junction Capacitance (pF)
10
Average Power Loss (W)
10
D = tp/T 4 5 6 7 8
tp 9 1 0.1 1 10 100
Average Forward Current (A)
Reverse Voltage (V)
Figure 2. Forward Power Loss Characteristics
Figure 5. Typical Junction Capacitance
10
Instantaneous Forward Current (A)
TA = 150 C 1 TA = 125 C
TA = 100 C
0.1
TA = 25 C 0.01 0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Instantaneous Forward Voltage (V)
Figure 3. Typical Instantaneous Forward Charateristics
Document Number: 89086 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
U(F,B)8BT thru U(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)
www.vishay.com 4
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: 89086 Revision: 13-May-08
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice. 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 herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. 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. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 Revision: 18-Jul-08
www.vishay.com 1


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