BUY24
MECHANICAL DATA
Dimensions in mm (inches)
SILICON PLANAR EPITAXIAL
NPN POWER
SWITCHING TRANSISTOR
25.15 (0.99)
26.67 (1.05)
10.67 (0.42)
11.18 (0.44)
1.52 (0.06)
3.43 (0.135)
6.35 (0.25)
9.15 (0.36)
FEATURES
• CECC SCREENING OPTIONS
38.61 (1.52)
39.12 (1.54)
0.97 (0.060)
1.10 (0.043)
29.9 (1.177)
30.4 (1.197)
16.64 (0.655)
17.15 (0.675)
22.23
(0.875)
max.
• SPACE QUALITY LEVELS OPTIONS
• JAN LEVEL SCREENING OPTIONS
1
2
3
(case)
3.84 (0.151)
4.09 (0.161)
7.92 (0.312)
12.70 (0.50)
APPLICATIONS:
TO-3 PACKAGE
(TO-204AA)
PAD 1 – Base
Underside View
PAD 2 – Emitter
PAD 3 – Collector
The BUY24 is a silicon planar epitaxial
NPN transistor in a TO-3 (TO-204AA)
metal case. It is suitable for switching
applications up to 5A.
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
V
CBO
V
CEO
V
EBO
I
C
P
tot
R
JC
T
STG
T
J
Collector - Base Voltage (I
E
= 0)
Collector - Emitter Voltage (I
B
= 0)
Emitter - Base Voltage (I
C
= 0)
Collector Current
Total Power Dissipation at T
case
< 75
°C
Thermal Resistance Junction To Case
Storage Temperature
Junction Temperature
120V
60V
6V
5A
15W
5°C/W
-55 to +150°C
150°C
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 4071
Issue 1
BUY24
ELECTRICAL CHARACTERISTICS
(T
case
= 25°C unless otherwise stated)
Parameter
I
CBO
V
(BR)CEO*
V
(BR)CBO*
V
(BR)EBO*
V
CE (sat)*
V
BE(sat)*
h
FE
*
Collector-Cutoff Current
Collector-Emitter Breakdown Voltage
Collector-Base Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
DC Current Gain
Test Conditions
V
CB
=60V
I
C
=50mA
I
C
=1mA
I
E
=1mA
I
C
=2A
I
C
=5A
I
C
=2A
I
C
=5A
I
C
=0.5A
I
C
=2A
I
C
=5A
I
E
=0
T
C
=125°C
I
B
=0
I
E
=0
I
C
=0
I
B
=0.2A
I
B
=0.5A
I
B
=0.2A
I
B
=0.5A
V
CE
=2V
V
CE
=2V
V
CE
=2V
V
CE
=5V
V
CB
=10V
I
B1
=0.5A
I
B1
= I
B2
=0.5A
V
CE
=5V
Min.
Typ.
Max.
10
1
Unit
µA
mA
60
120
6
0.15
0.4
0.9
1.1
45
40
100
85
40
100
35
150
350
5
80
350
650
MHz
pF
ns
0.6
1.0
1.2
1.3
V
f
T
C
CBO
t
on
t
off
h
fe
Transition Frequency
Collector-Base Capacitance
Turn-on Time
Turn-off Time
Small Signal Current Gain
I
C
=0.5A
I
E
=0
I
C
=5A
I
C
=5A
I
C
=0.5A
f=20MHz
2.5
* Pulsed: Pulse Duration = 300µs, duty cycle = 1.0%
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 4071
Issue 1
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