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Philips Semiconductors
Product specification
Damper diode fast, high-voltage
FEATURES
* Low forward volt drop * Fast switching * Soft recovery characteristic * High thermal cycling performance * Low thermal resistance
BY459-1500, BY459-1500S
SYMBOL
QUICK REFERENCE DATA
VR = 1500 V VF 1.2 V / 1.25 V IF(peak) = 12 A (f = 48 kHz) IF(peak) = 10 A (f = 82 kHz) IFSM 100 A trr 350 ns / 220 ns
k 1
a 2
GENERAL DESCRIPTION
Glass-passivated double diffused rectifier diode featuring fast forward recovery and low forward recovery voltage. The device is intended for use in HDTV receivers and multi-sync monitor horizontal deflection circuits. The BY459 series is supplied in the conventional leaded SOD59 (TO220AC) package.
PINNING
PIN 1 2 tab DESCRIPTION cathode anode cathode
SOD59 (TO220AC)
tab
1
2
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134). SYMBOL PARAMETER VRSM VRRM VRWM IF(peak) IFRM IF(RMS) IFSM Peak non-repetitive reverse voltage Peak repetitive reverse voltage Crest working reverse voltage BY459 Peak working forward current Peak repetitive forward current RMS forward current Peak non-repetitive forward current Storage temperature Operating junction temperature f = 48 kHz; f = 82 kHz; t = 100 s t = 10 ms t = 8.3 ms sinusoidal; Tj = 150 C prior to surge; with reapplied VRWM(max) -40 CONDITIONS MIN. MAX. 1500 1500 1300 -1500 12 -1500S 10 100 30 100 110 150 150 UNIT V V V A A A A A A C C
Tstg Tj
September 1998
1
Rev 1.100
Philips Semiconductors
Product specification
Damper diode fast, high-voltage
THERMAL RESISTANCES
SYMBOL PARAMETER Rth j-mb Rth j-a CONDITIONS
BY459-1500, BY459-1500S
MIN. -
TYP. 60
MAX. 1.5 -
UNIT K/W K/W
Thermal resistance junction to mounting base Thermal resistance junction to in free air ambient
STATIC CHARACTERISTICS
Tj = 25 C unless otherwise stated SYMBOL PARAMETER VF IR Forward voltage Reverse current CONDITIONS IF = 6.5 A IF = 6.5 A; Tj = 125 C VR = 1300 V VR = 1300 V; Tj = 125 C TYP. 0.95 0.85 1.05 0.95 250 1 MAX. 1.30 1.20 1.35 1.25 250 1 UNIT V V A mA BY459 1500 1500S 1500 1500S
DYNAMIC CHARACTERISTICS
Tj = 25 C unless otherwise stated SYMBOL PARAMETER trr Qs Vfr tfr Reverse recovery time Reverse recovery charge Peak forward recovery voltage Forward recovery time CONDITIONS IF = 1 A, VR 30 V; IF = 2 A, -dIF/dt = 20 A/s IF = 6.5A, dIF/dt = 50A/s IF = 6.5A, dIF/dt = 50A/s TYP. BY459 1500 1500S 0.25 2.0 8.0 170 0.17 0.70 11.0 200 MAX. 1500 0.35 3.0 14.0 250 1500S 0.22 0.95 19.0 300 s C V ns UNIT
September 1998
2
Rev 1.100
Philips Semiconductors
Product specification
Damper diode fast, high-voltage
BY459-1500, BY459-1500S
I
F
100
Maximum pulse width / us
V
BY459X-1500
VRRM
10% tfr VF V VF 5V / 2V time fr
1 10
pulse width tp
time period T
time
10
100 line frequency / kHz
Fig.1. Definition of Vfr and tfr
Fig.4. Maximum allowable pulse width tp versus line frequency; Basic horizontal deflection circuit.
I
dI F dt
F
30
IF / A Tj = 125 C Tj = 25 C
BY459
trr time
20 typ 10 max
Qs
25%
100%
I
R
0 0 0.5 1 VF / V 1.5 2
Fig.2. Definition of trr and Qs
Fig.5. BY459-1500 Typical and maximum forward characteristic IF = f(VF); parameter Tj
BY459S
VCC
30
IF / A Tj = 125 C Tj = 25 C
Line output transformer LY
20
typ 10
max
Cf deflection transistor D1
Cs
0
0
0.5
1
1.5
VF / V
2
Fig.3. Basic horizontal deflection circuit.
Fig.6. BY459-1500S Typical and maximum forward characteristic IF = f(VF); parameter Tj
September 1998
3
Rev 1.100
Philips Semiconductors
Product specification
Damper diode fast, high-voltage
BY459-1500, BY459-1500S
10
Transient thermal impedance, Zth j-mb (K/W)
1
0.1
0.01
P D
tp
D=
tp T t
0.001 1us
T
10us
100us 1ms 10ms 100ms 1s pulse width, tp (s) BY459
10s
Fig.7. Transient thermal impedance Zth = f(tp)
September 1998
4
Rev 1.100
Philips Semiconductors
Product specification
Damper diode fast, high-voltage
MECHANICAL DATA
Dimensions in mm Net Mass: 2 g
BY459-1500, BY459-1500S
4,5 max
10,3 max
1,3
3,7 2,8
5,9 min
3,0 max not tinned 3,0
15,8 max
13,5 min
1,3 max 1 (2x)
2
0,9 max (2x)
0,6
2,4
5,08
Fig.8. SOD59 (TO220AC). pin 1 connected to mounting base.
Notes 1. Refer to mounting instructions for TO220 envelopes. 2. Epoxy meets UL94 V0 at 1/8".
September 1998
5
Rev 1.100
Philips Semiconductors
Product specification
Damper diode fast, high-voltage
DEFINITIONS
Data sheet status Objective specification Product specification Limiting values
BY459-1500, BY459-1500S
This data sheet contains target or goal specifications for product development. This data sheet contains final product specifications.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of this specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. (c) Philips Electronics N.V. 1998 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, it is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
September 1998
6
Rev 1.100

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