ETC BU941SM

BU941T/BU941TFI
BU941SM
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
PRELIMINARY DATA
■
■
■
■
VERY RUGGED BIPOLAR TECHNOLOGY
HIGH OPERATING JUNCTION
TEMPERATURE
WIDE RANGE OF PACKAGES
POWER PACKAGE SPECIFICALLY
DESIGNED FOR SURFACE MOUNTING
(Power SO-10 )
1
APPLICATIONS
■
HIGH RUGGEDNESS ELECTRONIC
IGNITIONS
2
3
3
1
TO-220
2
ISOWATT220
10
1
Power SO-10
INTERNAL SCHEMATIC DIAGRAM
for Power S O-10
Emitter: pins 1 - 5
Base: pins 6 - 10
Collector: tab
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
BU941T
BU941TFI
Unit
BU941SM
VC ES
Collector-Emitter Voltage (V BE = 0)
500
V
V CEO
Collector-Emitter Voltage (I B = 0)
400
V
V EBO
Emitter-Base Voltage (IC = 0)
5
V
Collector Current
15
A
Collector Peak Current
30
A
IB
Base Current
1
A
IB M
Base Peak Current
5
A
IC
I CM
o
P tot
Total Dissipation at Tc = 25 C
T stg
Storage Temperature
Tj
Max. Operating Junction Temperature
Dicember 1993
150
55
150
-65 to 175
-65 to 175
-65 to 175
o
W
C
175
175
175
o
C
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BU941T/BU941TFI/BU941SM
THERMAL DATA
TO-220
R thj-cas e
Thermal Resistance Junction-case
Max
ISOWATT220 PowerSO-10
1
2.7
o
1
C/W
o
ELECTRICAL CHARACTERISTICS (Tcase = 25 C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I CE S
Collector Cut-off
Current (V BE = 0)
V CE = 500 V
V CE = 500 V
T j = 125 o C
100
0.5
µA
mA
I CEO
Collector Cut-off
Current (I B = 0)
V CE = 450 V
V CE = 450 V
T j = 125 o C
100
0.5
µA
mA
IE BO
Emitter Cut-off Current
(I C = 0)
V EB = 5 V
20
mA
V C EO( SUS )∗ Collector-Emitter
Saturation Voltage
I C = 100 mA L = 10 mH IB = 0
V CLAMP = RATED V CEO (See FIG.4)
400
V
V CE (sat)∗
Collector-Emitter
Saturation Voltage
IC = 8 A
I C = 10 A
IB = 100 mA
I B = 250 mA
1.6
1.8
V
V
VB E(sat)∗
Base-Emitter
Saturation Voltage
IC = 8 A
I C = 10 A
IB = 100 mA
I B = 250 mA
2.2
2.5
V
V
2.5
V
h FE ∗
VF
ts
tf
DC Current Gain
IC = 5 A
Diode Forward Voltage
I F = 10 A
V CE = 10 V
Functional Test
(see fig. 1)
V CC = 24 V Vclamp = 400 V L= 7 mH
INDUCTIVE LOAD
Storage Time
Fall Time
(see fig. 3)
V CC = 12 V Vclamp = 300 V L= 7 mH
I C = 7 A IB = 70 mA
V BE = 0
R BE = 47 Ω
∗ Pulsed: Pulse durati on = 300 µs, duty cycle 1.5 %
Safe Operating Areas
2/8
DC Current Gain
300
10
A
15
0.5
µs
µs
BU941T/BU941TFI/BU941SM
DC Current Gain
Collector-emitter Sturation Voltage
Collector-emitter Sturation Voltage
Base-emitter Sturation Voltage
Switching Times Inductive Load (see fig. 3)
3/8
BU941T/BU941TFI/BU941SM
FIGURE 1: Functional Test Circuit
FIGURE 2: Functional Test Waveforms
FIGURE 3: Switching Time Test Circuit
FIGURE 4: Sustaining Voltage Test Circuit
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BU941T/BU941TFI/BU941SM
TO-220 MECHANICAL DATA
mm
DIM.
MIN.
inch
TYP.
MAX.
MIN.
TYP.
MAX.
A
4.40
4.60
0.173
0.181
C
1.23
1.32
0.048
0.051
D
2.40
2.72
0.094
D1
0.107
1.27
0.050
E
0.49
0.70
0.019
0.027
F
0.61
0.88
0.024
0.034
F1
1.14
1.70
0.044
0.067
F2
1.14
1.70
0.044
0.067
G
4.95
5.15
0.194
0.203
G1
2.4
2.7
0.094
0.106
H2
10.0
10.40
0.393
0.409
L2
16.4
0.645
L4
13.0
14.0
0.511
0.551
L5
2.65
2.95
0.104
0.116
L6
15.25
15.75
0.600
0.620
L7
6.2
6.6
0.244
0.260
3.5
3.93
0.137
0.154
3.75
3.85
0.147
0.151
D1
C
D
A
E
L9
DIA.
H2
G
G1
F1
L2
F2
F
Dia.
L5
L9
L7
L6
L4
P011C
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BU941T/BU941TFI/BU941SM
ISOWATT220 MECHANICAL DATA
mm
DIM.
MIN.
inch
TYP.
MAX.
MIN.
TYP.
MAX.
A
4.4
4.6
0.173
0.181
B
2.5
2.7
0.098
0.106
D
2.5
2.75
0.098
0.108
E
0.4
0.7
0.015
0.027
F
0.75
1
0.030
0.039
F1
1.15
1.7
0.045
0.067
F2
1.15
1.7
0.045
0.067
G
4.95
5.2
0.195
0.204
G1
2.4
2.7
0.094
0.106
H
10
10.4
0.393
0.409
L2
16
0.630
28.6
30.6
1.126
1.204
L4
9.8
10.6
0.385
0.417
L6
15.9
16.4
0.626
0.645
L7
9
9.3
0.354
0.366
Ø
3
3.2
0.118
0.126
B
D
A
E
L3
L3
L6
F
F1
L7
F2
H
G
G1
Ø
1 2 3
L2
6/8
L4
P011G
BU941T/BU941TFI/BU941SM
Power SO-10 MECHANICAL DATA
mm
DIM.
A
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
3.45
3.5
3.55
0.135
0.137
0.140
1.28
1.30
0.050
0.051
B
C
0.15
0.006
D
9.40
9.50
9.60
0.370
0.374
0.378
E
4.98
5.08
5.48
0.196
0.200
0.216
E1
0.40
0.45
0.60
0.016
0.018
0.024
E2
1.17
1.27
1.37
0.046
0.050
0.054
F
9.30
9.40
9.50
0.366
0.370
0.374
F1
7.95
8.00
8.15
0.313
0.315
0.321
G
7.40
7.50
7.60
0.291
0.295
0.299
H
6.80
6.90
7.00
0.267
0.417
0.421
I
0.10
K
0.004
13.80
14.10
0.40
0.50
M
1.60
1.67
N
0.60
0.08
0.543
0.555
0.567
0.016
0.020
1.80
0.063
0.066
0.071
1.00
0.024
0.031
0.039
E2
L
14.40
5
D
=
G
1
E
=
6
1
E1
10
=
=
F1 =
F
B
0.08 mm.
0.003 in
=
I
C
M
L
A
H
N
K
7/8
BU941T/BU941TFI/BU941SM
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
 1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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