STMicroelectronics MMBTA42 Small signal npn transistor Datasheet

MMBTA42
®
SMALL SIGNAL NPN TRANSISTOR
PRELIMINARY DATA
■
■
■
■
Type
Marking
MMBTA42
A42
SILICON EPITAXIAL PLANAR NPN HIGH
VOLTAGE TRANSISTOR
MINIATURE SOT-23 PLASTIC PACKAGE
FOR SURFACE MOUNTING CIRCUITS
TAPE AND REEL PACKING
THE PNP COMPLEMENTARY TYPE IS
MMBTA92
APPLICATIONS
VIDEO AMPLIFIER CIRCUITS (RGB
CATHODE CURRENT CONTROL)
■ TELEPHONE WIRELINE INTERFACE (HOOK
SWITCHES, DIALER CIRCUITS)
SOT-23
■
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Value
Unit
V CBO
Collector-Base Voltage (I E = 0)
300
V
V CEO
Collector-Emitter Voltage (I B = 0)
300
V
V EBO
Emitter-Base Voltage (I C = 0)
6
V
0.5
A
IC
Parameter
Collector Current
I CM
Collector Peak Current
0.6
A
P tot
Total Dissipation at T C = 25 o C
350
mW
T stg
Storage Temperature
Tj
Max. Operating Junction Temperature
January 2003
-65 to 150
o
C
150
o
C
1/4
MMBTA42
THERMAL DATA
R t hj-amb •
Thermal Resistance Junction-Ambient
Max
o
357.1
C/W
• Device mounted on a PCB area of 1 cm
2
ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
Symbol
I CBO
V (BR)CBO
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
100
nA
Collector Cut-off
Current (I E = 0)
V CB = 200 V
Collector-Base
Breakdown Voltage
(I E = 0)
I C = 100 µA
300
V
I C = 1 mA
300
V
6
V
V (BR)CEO ∗ Collector-Emitter
Breakdown Voltage
(I B = 0)
V (BR)EBO
Emitter-Base
Breakdown Voltage
(I C = 0)
I E = 100 µA
V CE(sat) ∗
Collector-Emitter
Saturation Voltage
I C = 20 mA
IB = 2 mA
0.5
V
V BE(sat) ∗
Base-Emitter
Saturation Voltage
I C = 20 mA
IB = 2 mA
0.9
V
DC Current Gain
I C = 1 mA
I C = 10 mA
I C = 30 mA
Transition Frequency
I C = 10 mA V CE = 20 V f = 20 MHz
C CBO
Collector-Base
Capacitance
IE = 0
V CB = 10 V f = 1 MHz
C EBO
Emitter-Base
Capacitance
IC = 0
VEB = 2 V
h FE ∗
fT
∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 1.5 %
2/4
V CE = 10 V
V CE = 10 V
V CE = 10 V
f = 1 MHz
25
40
40
50
MHz
6
pF
22
pF
MMBTA42
SOT-23 MECHANICAL DATA
mm
DIM.
MIN.
TYP.
mils
MAX.
MIN.
TYP.
MAX.
A
0.85
1.1
33.4
43.3
B
0.65
0.95
25.6
37.4
C
1.20
1.4
47.2
55.1
D
2.80
3
110.2
118
E
0.95
1.05
37.4
41.3
F
1.9
2.05
74.8
80.7
G
2.1
2.5
82.6
98.4
H
0.38
0.48
14.9
18.8
L
0.3
0.6
11.8
23.6
M
0
0.1
0
3.9
N
0.3
0.65
11.8
25.6
O
0.09
0.17
3.5
6.7
0044616/B
3/4
MMBTA42
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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© 2002 STMicroelectronics – Printed in Italy – All Rights Reserved
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