PHILIPS BU4508AF

DISCRETE SEMICONDUCTORS
DATA SHEET
BU4508AF
Silicon Diffused Power Transistor
Product specification
Supersedes data of January 1998
File under Discrete Semiconductors, SC06
June 1998
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
GENERAL DESCRIPTION
Enhanced performance, new generation, high-voltage, high-speed switching npn transistor in a plastic full-pack
envelope intended for use in horizontal deflection circuits of colour television receivers an p.c monitors. Features
exceptional tolerance to base drive and collector current load variations resulting in a very low worst case
dissipation.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
TYP.
MAX.
UNIT
VCESM
VCEO
IC
ICM
Ptot
VCEsat
ICsat
Collector-emitter voltage peak value
Collector-emitter voltage (open base)
Collector current (DC)
Collector current peak value
Total power dissipation
Collector-emitter saturation voltage
Collector saturation current
VBE = 0 V
tf
Fall time
5.0
4.0
0.35
0.17
1500
800
8
15
45
3.0
0.48
-
V
V
A
A
W
V
A
A
µs
µs
PINNING - SOT199
PIN
Ths ≤ 25 ˚C
IC = 5.0 A; IB = 1.25 A
f = 16kHz
f = 64kHz
ICsat = 5A; f = 16kHz
ICsat = 4A; f = 64kHz
PIN CONFIGURATION
SYMBOL
DESCRIPTION
1
base
2
collector
3
emitter
case isolated
c
case
b
1
2
e
3
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum Rating System (IEC 134)
SYMBOL
PARAMETER
CONDITIONS
VCESM
VCEO
IC
ICM
IB
IBM
-IBM
Ptot
Tstg
Tj
Collector-emitter voltage peak value
Collector-emitter voltage (open base)
Collector current (DC)
Collector current peak value
Base current (DC)
Base current peak value
Reverse base current peak value 1
Total power dissipation
Storage temperature
Junction temperature
VBE = 0 V
Ths ≤ 25 ˚C
MIN.
MAX.
UNIT
-55
-
1500
800
8
15
4
6
5
45
150
150
V
V
A
A
A
A
A
W
˚C
˚C
TYP.
MAX.
UNIT
-
2.8
K/W
35
-
K/W
THERMAL RESISTANCES
SYMBOL
PARAMETER
CONDITIONS
Rth j-hs
Junction to heatsink
with heatsink compound
Rth j-a
Junction to ambient
in free air
1 Turn-off current.
June 1998
1
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
ISOLATION LIMITING VALUE & CHARACTERISTIC
Ths = 25 ˚C unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
Visol
Repetitive peak voltage from all
three terminals to external
heatsink
R.H. ≤ 65 % ; clean and dustfree
Cisol
Capacitance from T2 to external f = 1 MHz
heatsink
MIN.
TYP.
MAX.
UNIT
-
-
2500
V
-
22
-
pF
MIN.
TYP.
MAX.
UNIT
-
-
1.0
2.0
mA
mA
7.5
800
13.5
-
100
-
uA
V
V
0.85
4.2
0.94
12
5.7
3.0
1.03
7.3
V
V
TYP.
MAX.
UNIT
80
-
pF
3.2
4.3
µs
0.35
0.48
µs
1.9
0.17
-
µs
µs
STATIC CHARACTERISTICS
Ths = 25 ˚C unless otherwise specified
SYMBOL
PARAMETER
ICES
ICES
Collector cut-off current 2
IEBO
BVEBO
VCEOsust
VCEsat
VBEsat
hFE
hFE
CONDITIONS
VBE = 0 V; VCE = VCESMmax
VBE = 0 V; VCE = VCESMmax;
Tj = 125 ˚C
Emitter cut-off current
VEB = 6.0 V; IC = 0 A
Emitter-base breakdown voltage
IB = 1 mA
Collector-emitter sustaining voltage IB = 0 A; IC = 100 mA;
L = 25 mH
Collector-emitter saturation voltages IC = 5.0 A; IB = 1.25 A
Base-emitter saturation voltage
IC = 5.0 A; IB = 1.25 A
DC current gain
IC = 100 mA; VCE = 5 V
IC = 5.0 A; VCE = 5 V
DYNAMIC CHARACTERISTICS
Ths = 25 ˚C unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
Cc
Collector capacitance
IE = 0 A; VCB = 10 V; f = 1 MHz
ICsat = 5.0 A; IB1 = 1.0 A;(IB2 = -2.5 A)
ts
Switching times (16 kHz line
deflection circuit)
Turn-off storage time
tf
Turn-off fall time
ts
tf
Switching times (64 kHz line
deflection circuit)
Turn-off storage time
Turn-off fall time
ICsat = 4 A; IB1 = 0.8 A;(IB2 = -2.0 A)
2 Measured with half sine-wave voltage (curve tracer).
June 1998
2
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
ICsat
+ 50v
90 %
100-200R
IC
10 %
Horizontal
tf
Oscilloscope
t
ts
IB
IB1
Vertical
t
1R
100R
6V
30-60 Hz
- IB2
Fig.4. Switching times definitions.
Fig.1. Test circuit for VCEOsust.
IC / mA
+ 150 v nominal
adjust for ICsat
Lc
250
200
LB
IBend
100
0
VCE / V
T.U.T.
Cfb
-VBB
min
VCEOsust
Fig.5. Switching times test circuit.
Fig.2. Oscilloscope display for VCEOsust.
TRANSISTOR
IC
ICsat
100
hFE
DIODE
Ths = 25 C
Ths = 85 C
VCE = 1V
t
IB1
IB
10
t
20us
26us
IB2
64us
VCE
1
0.001
t
Fig.3. Switching times waveforms (16 kHz).
June 1998
0.01
0.1
1
IC / A
10
Fig.6. High and low DC current gain.
3
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
hFE
100
10
ts/tf / us
ICsat = 5 A
Ths = 85 C
Freq = 16 kHz
Ths = 25 C
Ths = 85 C
VCE = 5V
8
ts
6
10
4
2
tf
1
0.001
0.01
0.1
1
0
10
IC / A
Fig.7. High and low DC current gain.
0.5
1
1.5
2
2.5 IB / A 3
Fig.10. Typical collector storage and fall time.
IC =5 A; Tj = 85˚C; f = 16kHz
BU4508AF/X/Z
VCEsat / V
10
0
120
Normalised Power Derating
PD%
with heatsink compound
110
Ths = 25 C
Ths = 85 C
100
90
80
70
1
60
50
40
IC/IB = 5
0.1
30
20
10
0
0
0.01
0.1
1
10
IC / A
60
80
Ths / C
100
120
Zth K/W
BU4508AF/X/Z
VBEsat / V
40
140
Fig.11. Normalised power dissipation.
PD% = 100⋅PD/PD 25˚C
Fig.8. Typical collector-emitter saturation voltage.
1.2
20
100
BU4508AF
10
Ths = 25 C
Ths = 85 C
1.1
0.5
1
0.2
IC = 5 A
1
0.1
0.05
0.1
0.9
0.02
0.8
IC = 4 A
PD
0.01
tp
D=
tp
T
0.7
0
0.6
0.001
1.0E-07
0
0.5
1
1.5
2
2.5 IB / A 3
1.0E-03
1.0E-01
t
1.0E+01
t/s
Fig.9. Typical base-emitter saturation voltage.
June 1998
T
1.0E-05
Fig.12. Transient thermal impedance.
4
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
10
BU4508AF
Ic(sat) (A)
8
6
4
2
0
0
20
40
60
Frequency (kHz)
80
100
Fig.13. ICsat during normal running vs. frequency of
operation for optimum performance
June 1998
5
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
MECHANICAL DATA
Dimensions in mm
15.3 max
Net Mass: 5.5 g
5.2 max
3.1
3.3
0.7
7.3
3.2
o
45
6.2
5.8
21.5
max
seating
plane
3.5 max
not tinned
3.5
15.7
min
1
2
2.1 max
5.45
3
1.2
1.0
0.7 max
0.4 M
2.0
5.45
Fig.14. SOT199; The seating plane is electrically isolated from all terminals.
Notes
1. Refer to mounting instructions for F-pack envelopes.
2. Epoxy meets UL94 V0 at 1/8".
June 1998
6
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
DEFINITIONS
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
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.
 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.
June 1998
7
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
NOTES
June 1998
8
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
NOTES
June 1998
9
Rev 1.000
Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU4508AF
NOTES
June 1998
10
Rev 1.000
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© Philips Electronics N.V. 1998
SCA60
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, is believed to be accurate and reliable and may be changed
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under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
135104/150/03/pp12
Date of release: June 1998
Document order number:
9397 750 04011