Datasheet

UNISONIC TECHNOLOGIES CO., LTD
MMBTA42/43
NPN SILICON TRANSISTOR
HIGH VOLTAGE TRANSISTOR

DESCRIPTION
The UTC MMBTA42/43 are high voltage transistors, designed
for telephone switch and high voltage switch.

3
FEATURES
2
* Collector-Emitter voltage: VCEO=300V(MMBTA42)
* Collector-Emitter voltage: VCEO=200V(MMBTA43)
* High current gain
* Collector Dissipation: Pc (max) =350mW

SOT-23
(JEDEC TO-236)
ORDERING INFORMATION
Ordering Number
Note:

1
MMBTA42G-AE3-R
MMBTA43G-AE3-R
Pin Assignment: E: Emitter
Package
SOT-23
SOT-23
C: Collector
B: Base
Pin Assignment
1
2
3
E
B
C
E
B
C
Packing
Tape Reel
Tape Reel
MARKING
MMBTA42
MMBTA43
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Copyright © 2014 Unisonic Technologies Co., Ltd
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MMBTA42/43

NPN SILICON TRANSISTOR
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
300
Collector-Base Voltage
VCBO
V
200
300
Collector-Emitter Voltage
VCEO
V
200
Emitter-Base Voltage
VEBO
6
V
Collector Dissipation (Ta=25°C)
PC
350
mW
Collector Current
IC
500
mA
Junction Temperature
TJ
+150
°C
Storage Temperature
TSTG
-55 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied
MMBTA42
MMBTA43
MMBTA42
MMBTA43

ELECTRICAL CHARACTERISTICS (TJ=25°C, unless otherwise specified)
PARAMETER
MMBTA42
Collector-Base Breakdown
Voltage
MMBTA43
Collector-Emitter Breakdown MMBTA42
Voltage
MMBTA43
Emitter-Base Breakdown Voltage
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
MMBTA42
Collector Cut-Off Current
MMBTA43
MMBTA42
Emitter Cut-Off Current
MMBTA43
DC Current Gain
MMBTA42
MMBTA43
IC=100A, IE=0
BVCEO
IC =1mA, IB=0
BVEBO
VCE(SAT)
VBE(SAT)
IE=100A, IC =0
IC =20mA, IB=2mA
IC =20mA, IB=2mA
VCB=200V, IE=0
VCB=160V, IE=0
VEB=6V, IC =0
VEB=4V, IC =0
VCE=10V, IC =1mA
VCE=10V, IC =10mA
VCE=10V, IC =30mA
VCE=20V, IC=10mA
f =100MHz
ICBO
IEBO
fT
Ccb
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
TEST CONDITIONS
BVCBO
hFE
Current Gain Bandwidth Product
Collector Base Capacitance
SYMBOL
VCB=20V, IE=0, f=1MHz
MIN
300
200
300
200
6
TYP
MAX
V
V
0.2
0.90
100
100
100
100
80
80
80
UNIT
V
V
V
nA
nA
300
50
MHz
3
4
pF
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TYPICAL CHARACTERISTICS
100
Ta=-50°C
50
20
10
5
2
1
1
2
IC/IB=10
1.6
1.4
1.2
1.0
Ta=150°C
0.8
Ta=25°C
0.6
0.4
0.2
0.0
Ta=-50°C
Base Emitter Voltage, VBE(ON) (V)
Collector to Emitter Saturation
Voltage, VCE(SAT) (V)
5 10 20 50 100 200 500
Collector Current, IC (mA)
Collector Emitter Saturation vs.
Collector Current
2.0
1.8
DC Current Gain vs. Output Current
1K
DC Current Gain, hFE (Normalized)
DC Current Gain vs. Output Current
1K V =5V
CE
500
Ta=150°C
Ta=25°C
200
DC Current Gain, hFE (Normalized)

100
Ta=-50℃
20
10
5
2
1
1
10.0
5 10 20 50 100 200 500
Collector Current, IC (mA)
Collector Emitter Saturation vs.
Collector Current
1.0
VCE=5V
0.9
Ta=-50°C
0.8
0.7
0.6
Ta=25°C
0.5
0.4
0.3
Ta=150°C
0.2
0.1
1
0.1
10
100
Power Derating Power Dissipation
vs. Case Temperature
400
Power Dissipation, Pc (mW)
100.0
2
Collector Current, IC (mA)
VCE=5V
Ta=25°C
Ta=25℃
50
0.0
Current Gain Bandwidth Product
Current Gain Bandwidth Product
(MHz)
Ta=150℃
200
5 10 20 50 100 200 500
Collector Current, IC (mA)
1 2
1000.0
VCE=10V
500
350
300
250
200
150
100
50
0
2
4 6 8 10 12 14 16 18 20
Collector Current, IC (mA)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
0
25
50 75 100 125 150 175
Case Temperature, TC (°C)
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NPN SILICON TRANSISTOR
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC 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. 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 without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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