Vishay General Semiconductor
UG(F,B)8FT & UG(F,B)8GT, BYV29(F,B)-300 & BYV29(F,B)-400
Document Number 88557
27-Jun-06
www.vishay.com
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Ultrafast Rectifier
FEATURES
• Glass passivated chip junction
• Ultrafast recovery time
• Low switching losses, high efficiency
• Low forward voltage drop
• High forward surge capability
• Meets MSL level 1, per J-STD-020C, LF max peak
of 245 °C (for TO-263AB package)
• Solder Dip 260 °C, 40 seconds (for TO-220AC &
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, HE3 suffix for high
reliability grade (AEC Q101 qualified)
Polarity: As marked
Mounting Torque: 10 in-lbs maximum
MAJOR RATINGS AND CHARACTERISTICS
IF(AV) 8.0 A
VRRM 300 V, 400 V
IFSM 110 A
trr 35 ns
VF1.03 V
Tj max. 150 °C
TO-263AB
1
2
CASE
PIN 2
PIN 1
TO-220AC
BYV29, UG8 Series
ITO-220AC
BYV29F, UGF8 Series
BYV29B, UGB8 Series
PIN 1
PIN 2
K
HEATSINK
1
2
1
2
K
PIN 2
PIN 1
MAXIMUM RATINGS (TC = 25 °C unless otherwise noted)
PARAMETER SYMBOL BYV29-300
UG8FT
BYV29-400
UG8GT UNIT
Maximum repetitive peak reverse voltage VRRM 300 400 V
Maximum working reverse voltage VRWM 300 400 V
Maximum RMS voltage VRMS 210 280 V
Maximum DC blocking voltage VDC 300 400 V
Maximum average forward rectified current at TC = 100 °C IF(AV) 8.0 A
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load IFSM 110 A
Operating junction and storage temperature range TJ, TSTG - 40 to + 150 °C
Isolation voltage (ITO-220AC only)
From terminal to heatsink t = 1 minute VAC 1500 V
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Document Number 88557
27-Jun-06
Vishay General Semiconductor
UG(F,B)8FT & UG(F,B)8GT, BYV29(F,B)-300 & BYV29(F,B)-400
Note:
(1) Pulse test: 300 µs pulse width, 1 % duty cycle
ELECTRICAL CHARACTERISTICS (TC = 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL BYV29-300
UG8FT
BYV29-400
UG8GT UNIT
Maximum instantaneous forward voltage (1)
IF = 8 A
IF = 8 A
IF = 20 A
Tj = 25 °C
Tj = 150 °C
Tj = 25 °C
VF
1.25
1.03
1.40
V
Maximum DC reverse current at VRRM
TC = 25 °C
TC = 100 °C IR 10
350 µA
Maximum reverse recovery time at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A trr 35 ns
Maximum reverse recovery time at IF = 1.0 A, di/dt = 100 A/µs, VR = 30 V,
Irr = 0.1 IRM trr 50 ns
Maximum reverse recovery current at IF = 10 A, di/dt = 50 A/µs, VR = 30 V,
TC = 100 °C IRM 5.5 A
Maximum recovered stored charged at IF = 2 A, di/dt = 20 A/µs, VR = 30 V,
Irr = 0.1 IRM Qrr 55 nC
THERMAL CHARACTERISTICS (TC = 25 °C unless otherwise noted)
PARAMETER SYMBOL BYV29
UG8
BYV29F
UGF8
BYV29B
UGB8 UNIT
Typical thermal resistance from junction to case RθJC 2.5 5.5 2.5 °C/W
ORDERING INFORMATION
PACKAGE PREFERRED P/N UNIT WEIGHT (g) PACKAGE CODE BASE QUANTITY DELIVERY MODE
TO-220AC BYV29-400-E3/45 1.80 45 50/Tube Tube
ITO-220AC BYV29F-400-E3/45 1.95 45 50/Tube Tube
TO-263AB BYV29B-400-E3/45 1.77 45 50/Tube Tube
TO-263AB BYV29B-400-E3/81 1.77 81 800/Reel Tape Reel
Document Number 88557
27-Jun-06
www.vishay.com
3
UG(F,B)8FT & UG(F,B)8GT, BYV29(F,B)-300 & BYV29(F,B)-400
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)
Figure 1. Maximum Forward Current Derating Curve
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
Figure 3. Typical Instantaneous Forward Charateristics
0
0
6
8
10
12
755025 100 125 150 175
4
2
Average Forward Rectified Current (A)
Case Temperature (°C)
Resistive or Inductive Load
0
25
50
75
100
125
150
1 10010
TC = 100 °C
8.3 ms Single Half Sine-Wave
Number of Cycles at 60 Hz
Peak Forward Surge Current (A)
0.40.2 0.6 0.81.0 1.2 1.4 1.6
0.01
0.1
10
100
1
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
T
j
= 100 °C
T
j
= 125 °C
T
j
= 25 °C
Figure 4. Typical Reverse Leakage Charateristics
Figure 5. Reverse Switching Characteristics Per Leg
Figure 6. Typical Junction Capacitance
20 6040 10080
0.01
0.1
10
1
100
1000
Percent of Rated Peak Reverse Voltage (%)
Instantaneous Reverse Leakage
Current (µA)
T
j
= 100 °C
T
j
= 125 °C
T
j
= 25 °C
0
25 50
20
40
60
80
100
120
140
160
75 100 125
Stored Charge/Reverse Recovery Time
(nC/ns)
Junction Temperature ( °C)
t
rr
Q
rr di/dt = 150 A/µs
di/dt = 100 A/µs
di/dt = 150 A/µs
di/dt = 100 A/µs
di/dt = 50 A/µs
di/dt = 20 A/µs
di/dt = 20 A/µs
0.1 101 100
10
1
100
Tj = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
Reverse Voltage (V)
Junction Capacitance (pF)
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Document Number 88557
27-Jun-06
Vishay General Semiconductor
UG(F,B)8FT & UG(F,B)8GT, BYV29(F,B)-300 & BYV29(F,B)-400
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
0.154 (3.91)
0.148(3.74)DIA.
0.113 (2.87)
0.103 (2.62)
0.185 (4.70)
0.175 (4.44)
0.055 (1.39)
0.045 (1.14)
0.145 (3.68)
0.135 (3.43)
0.350 (8.89)
0.330 (8.38)
0.160 (4.06)
0.140 (3.56)
0.037 (0.94)
0.027(0.68)
0.205(5.20)
0.195(4.95)
0.560 (14.22)
0.530 (13.46)
0.022(0.56)
0.014(0.36)
0.110 (2.79)
0.100 (2.54)
12
1.148(29.16)
1.118(28.40)
0.105 (2.67)
0.095 (2.41)
0.635 (16.13)
0.625 (15.87)
0.603 (15.32)
0.573 (14.55)
PIN
0.415 (10.54) MAX.
0.370 (9.40)
0.360 (9.14)
0.057 (1.45)
0.045 (1.14)
CASE
PIN2
PIN1
TO-220AC
0.404 (10.26)
0.384 (9.75)
See note
0.076 Ref.
(1.93) ref.
45° Ref.
0.600 (15.24)
0.580 (14.73) PIN
12
0.560 (14.22)
0.530 (13.46)
0.025 (0.64)
0.015 (0.38)
0.035 (0.89)
0.025 (0.64)
0.205 (5.21)
0.195 (4.95)
0.057 (1.45)
0.045 (1.14)
0.191 (4.85)
0.171 (4.35)
0.671 (17.04)
0.651 (16.54)
0.076 Ref.
(1.93) Ref.
See note
7° Ref.
0.140 (3.56) DIA.
0.125 (3.17) DIA.
7° Ref.
0.350 (8.89)
0.330 (8.38)
0.190 (4.83)
0.170 (4.32)
0.110 (2.79)
0.100 (2.54)
0.135 (3.43) DIA.
0.122 (3.08)DIA.
7° Ref.
0.110 (2.79)
0.100 (2.54)
0.028(0.71)
0.020 (0.51)
ITO-220AC
exposure
(0.25)0.010 Max.
Copper
Note: Copper exposure is allowable for 0.005 (0.13) Max. from the body
0.380 (9.65)
0.411 (10.45)
0.320 (8.13)
0.360 (9.14)
0.591(15.00)
0.624 (15.85)
12
0.245 (6.22)
MIN
K
K
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
0.014 (0.36)
0.021 (0.53)
0.110 (2.79)
0.140 (3.56)
0.110 (2.79)
0.090 (2.29)
0.047 (1.19)
0.055 (1.40)
0-0.01 (0-0.254)
0.027 (0.686)
0.037 (0.940)
0.105 (2.67)
0.095 (2.41) 0.205 (5.20)
0.195 (4.95)
TO-263AB
0.105 (2.67)
0.08
(0.095) (2.41)
(2.032)
0.42
(10.66)
0.670 (17.02)
0.591 (15.00)
0.15
(3.81)
0.33
(8.38)
MountingPad Layout
MIN.
MIN.
MIN.
MIN.
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
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.
