BD743 Bourns, Inc., BD743 Datasheet

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BD743

Manufacturer Part Number
BD743
Description
Npn Silicon Power Transistors
Manufacturer
Bourns, Inc.
Datasheet

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BD743
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BD743A
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BD743A
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BD743A
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BD743C
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absolute maximum ratings at 25°C case temperature (unless otherwise noted)
NOTES: 1. This value applies for t
AUGUST 1978 - REVISED SEPTEMBER 2002
Specifications are subject to change without notice.
Collector-base voltage (I
Collector-emitter voltage (I
Emitter-base voltage
Continuous collector current
Peak collector current (see Note 1)
Continuous base current
Continuous device dissipation at (or below) 25°C case temperature (see Note 2)
Continuous device dissipation at (or below) 25°C free air temperature (see Note 3)
Unclamped inductive load energy (see Note 4)
Operating free air temperature range
Operating junction temperature range
Storage temperature range
Lead temperature 3.2 mm from case for 10 seconds
R O D U C T
Designed for Complementary Use with the
BD744 Series
90 W at 25°C Case Temperature
15 A Continuous Collector Current
20 A Peak Collector Current
Customer-Specified Selections Available
2. Derate linearly to 150°C case temperature at the rate of 0.72 W/°C.
3. Derate linearly to 150°C free air temperature at the rate of 16 mW/°C.
4. This rating is based on the capability of the transistor to operate safely in a circuit of: L = 20 mH, I
V
BE(off)
= 0, R
E
S
= 0)
B
= 0.1 Ω, V
I N F O R M A T I O N
= 0)
p
≤ 0.3 ms, duty cycle ≤ 10%.
CC
= 20 V.
RATING
B
C
E
Pin 2 is in electrical contact with the mounting base.
NPN SILICON POWER TRANSISTORS
BD743
BD743A
BD743B
BD743C
BD743
BD743A
BD743B
BD743C
BD743, BD743A, BD743B, BD743C
TO-220 PACKAGE
(TOP VIEW)
SYMBOL
½LI
V
V
V
T
I
P
P
CBO
CEO
EBO
CM
T
T
I
I
T
C
stg
B
tot
tot
A
L
j
C
B(on)
2
2
3
1
= 0.4 A, R
-65 to +150
-65 to +150
-65 to +150
VALUE
110
100
250
50
70
90
45
60
80
15
20
90
90
5
5
2
BE
= 100 Ω,
MDTRACA
UNIT
mJ
°C
°C
°C
°C
W
W
V
V
V
A
A
A
1

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BD743 Summary of contents

Page 1

... Specifications are subject to change without notice. NPN SILICON POWER TRANSISTORS Pin electrical contact with the mounting base. RATING BD743 BD743A BD743B BD743C BD743 BD743A BD743B BD743C BD743, BD743A, BD743B, BD743C TO-220 PACKAGE (TOP VIEW SYMBOL VALUE CBO 90 110 45 ...

Page 2

... BD743, BD743A, BD743B, BD743C NPN SILICON POWER TRANSISTORS electrical characteristics at 25°C case temperature (unless otherwise noted) PARAMETER Collector-emitter (BR)CEO C breakdown voltage Collector cut-off V = 110 CBO current ...

Page 3

... BASE-EMITTER VOLTAGE vs COLLECTOR CURRENT 300µs, duty cycle < 0·1 1· Collector Current - A C Figure 3. BD743, BD743A, BD743B, BD743C vs COLLECTOR CURRENT TCS637AB = 10 = 300µs, duty cycle < -55° 25° 125°C C 1·0 10 ...

Page 4

... BD743, BD743A, BD743B, BD743C NPN SILICON POWER TRANSISTORS MAXIMUM SAFE OPERATING REGIONS 100 10 1·0 0·1 0·01 100 4 MAXIMUM FORWARD-BIAS SAFE OPERATING AREA 0 0 0.1 = 10% DC Operation BD743 BD743A BD743B BD743C 1·0 10 100 V - Collector-Emitter Voltage - V CE Figure 4. THERMAL INFORMATION ...

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