Not for New Design - End of Life - Last Available Purchase Date is 31-May-2011
BYS459-1500, BYS459F-1500 & BYS459B-1500
Vishay General Semiconductor
High Voltage Damper Diodes
TO-220AC
ITO-220AC
FEATURES
• Glass passivated chip junction
• Fast reverse recovery time
• Low switching loss, high efficiency
• Low forward voltage drop
2
1
2
BYS459-1500
PIN 1
PIN 2
• High forward surge capability
• 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)
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
1
BYS459F-1500
PIN 1
CASE
PIN 2
TO-263AB
K
2
1
BYS459B-1500
PIN 1
PIN 2
K
HEATSINK
TYPICAL APPLICATIONS
For use in high voltage and high frequency rectification
of switching mode inverters, converters, freewheeling
and ideal for CRT horizontal deflection application.
MECHANICAL DATA
6.5 A
1500 V
130 A
350 ns
250 ns
1.2 V
150 °C
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
t
rr
t
fr
V
F
T
J
max.
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
MAXIMUM RATINGS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Maximum repetitive peak reverse voltage
Maximum working reverse voltage
Maximum DC blocking voltage
Maximum average forward rectified current
Peak working forward current at f = 48 kHz
Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load
Operating junction and storage temperature range
Isolation voltage (ITO-220AC only) from terminal to heatsink t = 1 min
SYMBOL
V
RRM
V
RWM
V
DC
I
F(AV)
I
F(Peak)
I
FSM
T
J
, T
STG
V
AC
VALUE
1500
1300
1500
6.5
12
130
- 55 to + 150
1500
UNIT
V
V
V
A
A
A
°C
V
Document Number: 88550
Revision: 14-Jan-11
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
1
Not for New Design - End of Life - Last Available Purchase Date is 31-May-2011
BYS459-1500, BYS459F-1500 & BYS459B-1500
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
(T
J
= 25 °C unless otherwise noted)
PARAMETER
Maximum instantaneous forward voltage
(1)
Maximum DC reverse current
Maximum reverse recovery time
Maximum reverse recovery charge
Maximum forward recovery time
Peak forward recovery overshoot voltage
Note:
(1) Pulse test: 300µs pulse width, 1 % duty cycle
TEST CONDITIONS
I
F
= 6.5 A,
I
F
= 6.5 A,
V
RWM
T
J
= 25 °C
T
J
= 125 °C
T
J
= 25 °C
T
J
= 125 °C
SYMBOL
V
F
I
R
t
rr
Q
rr
t
fr
V
FP
VALUE
1.3
1.2
250
1.0
350
3.0
250
20
UNIT
V
µA
mA
ns
µC
ns
V
I
F
= 1.0 A, dI/dt = 50 A/µs,
V
R
= 30 V
I
F
= 2.0 A, dI/dt = 20 A/µs
I
F
= 6.5 A, dI/dt = 52 A/µs
I
F
= 6.5 A, dI/dt = 52 A/µs
THERMAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance from junction to ambient
SYMBOL
R
JA
BYS459
60
BYS459F
55
BYS459B
60
UNIT
°C/W
ORDERING INFORMATION
(Example)
PACKAGE
TO-220AC
ITO-220AC
TO-263AB
TO-263AB
PREFERRED P/N
BYS459-1500-E3/45
BYS459F-1500-E3/45
BYS459B-1500-E3/45
BYS459B-1500-E3/81
UNIT WEIGHT (g)
1.80
1.95
1.77
1.77
PACKAGE CODE
45
45
45
81
BASE QUANTITY
50/tube
50/tube
50/tube
800/reel
DELIVERY MODE
Tube
Tube
Tube
Tape and reel
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
12
140
Peak Forward Surge Current (A)
Average Forward Current (A)
10
BYS459-1500
BYS459B-1500
120
100
80
60
40
20
0
8
BYS459F-1500
6
4
2
0
25
50
75
100
125
150
175
1
10
100
Case Temperature (°C)
Number
of Cycles at 60 Hz
Figure 1. Forward Current Derating Curve
Figure 2. Maximum Non-Repetitive Peak Forward Surge Current
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For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 88550
Revision: 14-Jan-11
Not for New Design - End of Life - Last Available Purchase Date is 31-May-2011
BYS459-1500, BYS459F-1500 & BYS459B-1500
Vishay General Semiconductor
100
1000
T
J
= 125 °C
Instantaneous Forward Current (A)
Junction Capacitance (pF)
10
100
1
T
J
= 25 °C
10
0.1
0
0.5
1.0
1.5
2.0
2.5
1
0.1
1
10
100
Instantaneous Forward
Voltage
(V)
Reverse
Voltage
(V)
Figure 3. Typical Forward Voltage
Figure 5. Typical Capacitance
1000
450
400
T
J
= 125 °C
Instantaneous Reverse Current (µA)
100
Reverse Recovery Time (ns)
350
300
250
200
dI/dt = 50 A/µs
10
T
J
= 100 °C
1
dI/dt = 100 A/µs
150
100
50
0.1
T
J
= 25 °C
0.01
0
200
400
600
800
1000 1200 1400 1600
0
0
2
4
6
8
10
12
Reverse
Voltage
(V)
Forward Current (A)
Figure 4. Typical Reverse Current
Figure 6. Typical Reverse Recovery Time
Document Number: 88550
Revision: 14-Jan-11
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
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Not for New Design - End of Life - Last Available Purchase Date is 31-May-2011
BYS459-1500, BYS459F-1500 & BYS459B-1500
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)
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For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 88550
Revision: 14-Jan-11
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
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