Datasheet

UNISONIC TECHNOLOGIES CO., LTD
MMDT5551
DUAL TRANSISTOR
HIGH VOLTAGE SWITCHING
TRANSISTOR

DESCRIPTION
The UTC MMDT5551 is a high voltage fast-switching dual
NPN transistor. It is characterized with high breakdown voltage,
high current gain and high switching speed.

FEATURES
* High Collector-Emitter Voltage: VCEO=160V
* High current gain



EQUIVALENT CIRCUIT
ORDERING INFORMATION
Ordering Number
Package
MMDT5551G-AL6-R
SOT-363
Pin Assignment
1
2
3
4
5
6
E1 B1 C2 E2 B2 C1
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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MMDT5551

DUAL TRANSISTOR
ABSOLUATE MAXIUM RATINGS (TA= 25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Collector -Base Voltage
VCBO
180
V
Collector -Emitter Voltage
VCEO
160
V
Emitter -Base Voltage
VEBO
6
V
DC Collector Current
IC
600
mA
Power Dissipation
PD
200
mW
Junction Temperature
TJ
+150
°C
Storage Temperature
TSTG
-40 ~ +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.

ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Collector-Base Breakdown Voltage
VCBO
IC=100A, IE=0
Collector-Emitter Breakdown Voltage
VCEO
IC=1mA, IB=0
Emitter-Base Breakdown Voltage
VEBO
IE=10A, IC=0
Collector Cut-off Current
ICBO
VCB=120V, IE=0
Emitter Cut-off Current
IEBO
VBE=4V, IC =0
VCE=5V, IC =1mA
DC Current Gain(note)
hFE
VCE=5V, IC =10mA
VCE=5V, IC =50mA
IC=10mA, IB=1mA
Collector-Emitter Saturation Voltage
VCE(SAT)
IC=50mA, IB=5mA
IC=10mA, IB=1mA
Base-Emitter Saturation Voltage
VBE(SAT)
IC=50mA, IB=5mA
Current Gain Bandwidth Product
fT
VCE=10V, IC =10mA, f=100MHz
Output Capacitance
Cob
VCB=10V, IE=0, f=1MHz
IC=0.25mA, VCE=5V
Noise Figure
NF
RS=1k, f=10Hz ~ 15.7kHz
Note: Pulse test: PW < 300μs, Duty Cycle < 2%
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
180
160
6
TYP
MAX
50
50
80
80
80
100
160
UNIT
V
V
V
nA
nA
400
0.15
0.2
1
1
300
6.0
MHz
pF
8
dB
V
V
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DUAL 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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