UNISONIC TECHNOLOGIES CO., LTD
M28S NPN SILICON TRANSISTOR
www.unisonic.com.tw 1 of 2
Copyright © 2011 Unisonic Technologies Co., Ltd QW-R201-015,Ca
AUDIO OUTPUT DRIVER
AMPLIFIER
FEATURES
* Excellent HFE Linearity
* High DC Current Gain
* High Power Dissipation
APPLICATION
* Audio Output Driver Amplifier
* General Purpose Switch
TO-92
SOT-23
1
3
2
1
ORDERING INFORMATION
Ordering Number Package Pin Assignment Packing
Normal Lead Free Halogen Free 1 2 3
M28S-x-AE3-R M28SL-x-AE3-R M28SG-x-AE3-R SOT-23 E C B Tape Reel
M28S-x-T92-B M28SL-x-T92-B M28SG-x-T92-B TO-92 E C B Tape Box
M28S-x-T92-K M28SL-x-T92-K M28SG-x-T92-K TO-92 E C B Bulk
M28S-x-T92-R M28SL-x-T92-R M28SG-x-T92-R TO-92 E C B Tape Reel
MARKING
NBJ L: Lead Free
G: Halogen Free
M28S NPN SILICON TRANSISTOR
UNISONIC TECHNOLOGIES CO., LTD 2 of 2
www.unisonic.com.tw QW-R201-015,Ca
ABSOLUTE MAXIMUM RATING (Ta=25°C,unless otherwise specified )
PARAMETER SYMBOL RATINGS UNIT
Collector-Base Voltage VCBO 40 V
Collector-emitter Voltage VCEO 20 V
Emitter-Base Voltage VEBO 6 V
Collector Current IC 1.25 A
Base Current IB 0.4 A
Power Dissipation (Ta=25℃) PD 850 mW
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.
ELECTRICAL CHARACTERISTICS (Ta=25℃, unless otherwise specified)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Collector-Base Voltage VCBO I
C=0.1mA 40 V
Collector-Emitter Voltage VCEO I
C=1mA 20 V
Emitter-Base Voltage VEBO I
E=0.1mA 6 V
Collector Cutoff Current ICBO V
CB=35V, IE=0 100 nA
Emitter Cutoff Current IEBO V
EB=5V, IC=0 100 nA
ON CHARACTERISTICS
DC Current Gain (Note)
hFE1 V
CE=1V, IC=1mA 290
hFE2 V
CE=1V, IC=0.1A 300 1000
hFE3 V
CE=1V, IC=0.3A 300
hFE4 V
CE=1V, IC=0.5A 300
Collector-Emitter Saturation Voltage VCE(SAT) I
C=600mA, IB=20mA 0.55 V
SMALL-SIGNAL CHARACTERISTICS
Current Gain Bandwidth Product fT V
CE=10V, IC=50mA, f=1MHz 100 MHz
Output Capacitance COB V
CB=10V, IE=0, f=1MHz 9 pF
CLASSIFICATION OF hFE2
RANK B C D
RANGE 300-550 500-700 650-1000
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
m alfunction 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 believ ed to be accurate
and reliable and m ay be changed without notice.
