BYS459-1500S, BYS459F-1500S, BYS459B-1500S
New Product
Vishay Semiconductors
formerly General Semiconductor
High Voltage Damper Diodes
Reverse Voltage 1500V
Forward Current 10A
Reverse Recovery Time 220ns
ITO-220AC (BYS459F)
0.188 (4.77)
0.172 (4.36)
0.405 (10.27)
0.383 (9.72)
0.110 (2.80)
0.100 (2.54)
TO-220AC (BYS459)
0.415 (10.54) MAX.
0.131 (3.39)
0.122 (3.08)
0.140 (3.56)
0.130 (3.30)
0.185 (4.70)
0.175 (4.44)
DIA.
DIA.
0.154 (3.91)
0.148 (3.74)
DIA.
0.370 (9.40)
0.360 (9.14)
0.055 (1.39)
0.045 (1.14)
0.676 (17.2)
0.646 (16.4)
0.600 (15.5)
0.580 (14.5)
0.113 (2.87)
0.103 (2.62)
0.350 (8.89)
0.330 (8.38)
0.145 (3.68)
0.135 (3.43)
PIN
1
2
0.603 (15.32)
0.573 (14.55)
0.191 (4.85)
0.171 (4.35)
0.410 (10.41)
0.390 (9.91)
0.350 (8.89)
0.330 (8.38)
0.635 (16.13)
0.625 (15.87)
0.110 (2.80)
0.100 (2.54)
0.560 (14.22)
0.530 (13.46)
PIN
0.060 (1.52)
PIN 1
1
2
1.148 (29.16)
1.118 (28.40)
0.160 (4.06)
0.140 (3.56)
0.110 (2.79)
0.100 (2.54)
PIN 2
0.037 (0.94)
0.027 (0.69)
0.560 (14.22)
0.022 (0.55)
0.014 (0.36)
PIN 1
PIN 2
0.530 (13.46)
0.205 (5.20)
0.195 (4.95)
CASE
0.105 (2.67)
TO-263AB (BYS459B)
0.037 (0.94)
0.027 (0.68)
0.095 (2.41)
0.022 (0.56)
0.014 (0.36)
0.190 (4.83)
0.160 (4.06)
0.411 (10.45)
0.380 (9.65)
0.205 (5.20)
0.195 (4.95)
0.055 (1.40)
0.045 (1.14)
0.245 (6.22)
MIN
Mounting Pad Layout TO-263AB
K
0.42
(10.66)
0.055 (1.40)
0.047 (1.19)
0.360 (9.14)
0.320 (8.13)
0.33
(8.38)
0.624 (15.85)
0.591 (15.00)
K
1
2
Dimensions in inches
and (millimeters)
0.63
0-0.01 (0-0.254)
(17.02)
0.110 (2.79)
0.090 (2.29)
0.027 (0.686)
0.037 (0.940)
0.021 (0.53)
0.014 (0.36)
PIN 1
PIN 2
K - HEATSINK
0.105 (2.67)
0.095 (2.41)
0.140 (3.56)
0.110 (2.79)
0.08
(2.032)
0.12
0.205 (5.20)
0.195 (4.95)
(3.05)
0.24
(6.096)
Mechanical Data
Case: JEDEC TO-220AC, ITO-220AC & TO-263AB
molded plastic body
Features
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering guaranteed:
250°C/10 seconds, 0.25" (6.35mm) from case for
TO-220 & ITO-220; at terminals for TO-263
• Ideally suited CRT horizontal deflection
• Fast reverse recovery time
• Fast forward recovery time
• Soft recovery characteristics
• Glass passivated chip junction
Polarity: As marked
Mounting Position: Any
Mounting Torque: 10 in-lbs maximum
Weight: 0.08 oz., 2.24 g
Document Number 88551
30-Jul-02
www.vishay.com
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