BYW29, BYWF29, BYWB29 Series
Vishay Semiconductors
formerly General Semiconductor
Ultrafast Rectifiers
Reverse Voltage
50 to 200V
Forward Current
8.0A
Reverse Recovery Time
25ns
ITO-220AC (BYWF29 Series)
0.405 (10.27)
0.383 (9.72)
0.188 (4.77)
0.172 (4.36)
0.110 (2.80)
0.100 (2.54)
0.140 (3.56)
DIA.
0.130 (3.30)
0.131 (3.39)
DIA.
0.122 (3.08)
TO-220AC (BYW29 Series)
0.415 (10.54) MAX.
0.154 (3.91)
0.370 (9.40)
0.360 (9.14)
0.148 (3.74)
0.113 (2.87)
0.103 (2.62)
0.145 (3.68)
0.135 (3.43)
0.410 (10.41)
0.390 (9.91)
PIN
1
0.160 (4.06)
0.140 (3.56)
2
1.148 (29.16)
1.118 (28.40)
0.110 (2.79)
0.100 (2.54)
0.560 (14.22)
0.530 (13.46)
CASE
PIN
1
2
0.185 (4.70)
0.175 (4.44)
DIA.
0.055 (1.39)
0.045 (1.14)
0.600 (15.5)
0.580 (14.5)
0.676 (17.2)
0.646 (16.4)
0.350 (8.89)
0.330 (8.38)
0.635 (16.13)
0.625 (15.87)
0.350 (8.89)
0.330 (8.38)
0.603 (15.32)
0.573 (14.55)
0.560 (14.22)
0.530 (13.46)
0.191 (4.85)
0.171 (4.35)
0.060 (1.52)
PIN 1
PIN 2
0.110 (2.80)
0.100 (2.54)
PIN 1
PIN 2
0.205 (5.20)
0.195 (4.95)
0.037 (0.94)
0.027 (0.69)
0.022 (0.55)
0.014 (0.36)
0.105 (2.67)
0.095 (2.41)
0.205 (5.20)
0.195 (4.95)
0.037 (0.94)
0.027 (0.68)
0.022 (0.56)
0.014 (0.36)
TO-263AB (BYWB29 Series)
0.411 (10.45)
0.380 (9.65)
0.245 (6.22)
MIN
K
0.055 (1.40)
0.047 (1.19)
1
K
2
0.624 (15.85)
0.591 (15.00)
0-0.01 (0-0.254)
0.110 (2.79)
0.090 (2.29)
0.027 (0.686)
0.037 (0.940)
PIN 1
PIN 2
K - HEATSINK
0.190 (4.83)
0.160 (4.06)
0.055 (1.40)
0.045 (1.14)
Mounting Pad Layout TO-263AB
0.42
(10.66)
0.33
(8.38)
0.63
(17.02)
Dimensions in inches
and (millimeters)
0.360 (9.14)
0.320 (8.13)
0.021 (0.53)
0.014 (0.36)
0.140 (3.56)
0.110 (2.79)
0.08
(2.032)
0.24
(6.096)
0.105 (2.67)
0.12
(3.05)
0.095 (2.41)
0.205 (5.20)
0.195 (4.95)
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Glass passivated chip junction
• Low power loss
• Low leakage current
• High surge current capability
• Superfast recovery time for high efficiency
Mechanical Data
Case:
JEDEC TO-220AC, ITO-220AC & TO-263AB
molded plastic body
Terminals:
Plated leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering in accordance with
CECC 802 / Reflow guaranteed
Polarity:
As marked
Mounting Position:
Any
Mounting Torque:
10 in-lbs maximum
Weight:
approx. 0.05 oz., 1.35 g
www.vishay.com
1
Document Number 88560
03-Jul-02
BYW29, BYWF29, BYWB29 Series
Vishay Semiconductors
formerly General Semiconductor
Maximum Ratings
Parameter
(T
C
= 25°C unless otherwise noted)
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
T
J
, T
STG
V
ISOL
BYW29-50 BYW29-100 BYW29-150 BYW29-200
50
35
50
100
70
100
8.0
100
–65 to +150
4500
(1)
3500
(2)
1500
(3)
150
105
150
200
140
200
Unit
V
V
V
A
A
°C
V
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at T
C
= 105°C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method) per leg
Operating and storage temperature range
RMS Isolation voltage (BYWF type only) from terminals
to heatsink with t = 1.0 second, RH
≤
30%
Electrical Characteristics
(T
Parameter
Maximum instantaneous forward
voltage at:
(4)
Maximum DC reverse current
at rated DC blocking voltage
C
= 25°C unless otherwise noted)
Symbol
I
F
= 20A, T
J
= 25°C
I
F
= 8.0A, T
J
=150°C
T
C
=25°C
T
C
=100°C
V
F
I
R
t
rr
C
J
BYW29-50 BYW29-100 BYW29-150 BYW29-200
1.3
0.8
10
500
25
45
Unit
V
µA
ns
pF
Maximum reverse recovery time at I
F
= 1A, V
R
= 30V,
di/dt = 100A/µs, I
rr
= 10% I
RM
Typical junction capacitance at 4V, 1MHz
Thermal Characteristics
(T
Parameter
C
= 25°C unless otherwise noted)
Symbol
R
ΘJC
BYW
2.5
BYWF
5.5
BYWB
2.5
Unit
°C/W
Typical thermal resistance from junction to case per leg
Notes:
(1) Clip mounting (on case), where lead does not overlap heatsink with 0.110” offset
(2) Clip mounting (on case), where leads do overlap heatsink
(3) Screw mounting with 4-40 screw, where washer diameter is
≤
4.9mm (0.19”)
(4) Pulse test: 300µs pulse width, 1% duty cycle
www.vishay.com
2
Document Number 88560
03-Jul-02
BYW29, BYWF29, BYWB29 Series
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 1 – Maximum Forward Current
Derating Curve
10.0
100
Fig. 2 – Maximum Non-Repetitive Peak
Forward Surge Current
Peak Forward Surge Current (A)
150
Average Forward Rectified Current (A)
Resistive or Inductive Load
8.0
80
6.0
60
4.0
40
2.0
20
0
0
25
50
75
100
125
0
1
10
100
Case Temperature (°C)
Number of Cycles at 50 H
Z
Fig. 3 – Typical Instantaneous
Forward Characteristics
Instantaneous Reverse Leakage Current
(µA)
80
100
Fig. 4 – Typical Reverse Leakage
Characteristics
Instantaneous Forward Current (A)
10
10
T
J
= 125°C
T
J
= 100°C
1
1
0.1
0.1
T
J
= 25°C
0
20
40
60
80
100
0.01
0.4
0.01
0.6
0.8
1.0
1.2
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 – Typical Junction Capacitance
80
Junction Capacitance (pF)
70
60
50
40
30
20
0.1
1
10
100
Reverse Voltage (V)
Document Number 88560
03-Jul-02
www.vishay.com
3
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
www.vishay.com
1
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