Datasheet

UNISONIC TECHNOLOGIES CO., LTD
HE8550
PNP SILICON TRANSISTOR
LOW VOLTAGE HIGH
CURRENT SMALL SIGNAL PNP
TRANSISTOR

DESCRIPTION
The UTC HE8550 is a low voltage high current small signal
PNP transistor, designed for Class B push-pull 2W audio amplifier
for portable radio and general purpose applications.

FEATURES
* Collector Current up to 1.5A
* Collector-Emitter Voltage up to 25V
* Complimentary to UTC HE8050

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
HE8550L-x-AB3-R
HE8550G-x-AB3-R
HE8550L-x-AE3-R
HE8550G-x-AE3-R
HE8550L-x-T92-B
HE8550G-x-T92-B
HE8550L-x-T92-K
HE8550G-x-T92-K
HE8550L-x-T9N-B
HE8550G-x-T9N-B
HE8550L-x-T9N-K
HE8550G-x-T9N-K

Package
SOT-89
SOT-23
TO-92
TO-92
TO-92NL
TO-92NL
Pin Assignment
1
2
3
B
C
E
E
B
C
E
C
B
E
C
B
E
C
B
E
C
B
Packing
Tape Reel
Tape Reel
Tape Box
Bulk
Tape Box
Bulk
MARKING
SOT-89
SOT-23
BA
TO-92NL
1
TO-92
L: Lead Free
G: Halogen Free
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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HE8550

PNP SILICON TRANSISTOR
ABSOLUTE MAXIMUM RATING (TA=25C, unless otherwise specified)
PARAMETER
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
RATINGS
UNIT
-40
V
-25
V
-6
V
SOT-23
350
mW
Collector Dissipation
SOT-89
PC
0.5
W
TO-92/TO-92NL
1
W
Collector Current
IC
-1.5
A
Junction Temperature
TJ
+150
C
Storage Temperature
TSTG
-65 ~ +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
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cut-Off Current
Emitter Cut-Off Current
DC Current Gain
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Base-Emitter Voltage
Current Gain Bandwidth Product
Output Capacitance

SYMBOL
VCBO
VCEO
VEBO
SYMBOL
BVCBO
BVCEO
BVEBO
ICBO
IEBO
hFE1
hFE2
hFE3
VCE(SAT)
VBE(SAT)
VBE
fT
Cob
TEST CONDITIONS
IC=-100μA, IE=0
IC=-2mA, IB=0
IE=-100μA, IC=0
VCB=-35V, IE=0
VEB=-6V, IC=0
VCE=-1V, IC=-5mA
VCE=-1V, IC=-100mA
VCE=-1V, IC=-800mA
IC=-800mA, IB=-80mA
IC=-800mA, IB=-80mA
VCE=-1V,IC=-10mA
VCE=-10V,IC=-50mA
VCB=-10V, IE=0 f=1MHz
MIN
-40
-25
-6
TYP
MAX
-100
-100
45
85
40
100
170
160
80
-0.28
-0.98
-0.66
190
9.0
UNIT
V
V
V
nA
nA
500
-0.5
-1.2
-1.0
V
V
V
MHz
pF
CLASSIFICATION OF hFE2
RANK
RANGE
C
120-200
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
D
160-300
E
250-500
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HE8550
TYPICAL CHARACTERISTICS
Static Characteristics
-0.5
VCE=-1V
DC Current Gain, hFE
-0.3
IB=-2.5mA
IB=-2.0mA
-0.2
IB=-1.5mA
IB=-1.0mA
-0.1
102
101
IB=-0.5mA
-0.4
-0.8 -1.2 -1.6 -2.0
Collector-Emitter Voltage ( V)
100 -1
-10
-100
-101
-102
-103
Collector Current, IC (mA)
Base-Emitter on Voltage
-103
Saturation Voltage
-104
Saturation Voltage (mV)
VCE=-1V
-102
-101
-100
0
-0.2 -0.4
-0.6
-0.8
Base-Emitter Voltage (V)
-1.0
VBE(SAT)
-102
VCE(SAT)
-101
-10-1
Current Gain-Bandwidth Product
-100
-101
-102
-103
Collector Current, IC (mA)
Collector Output Capacitance
103
3
VCE=-10V
102
101
100 0
-10
IC=10*IB
-103
-101
-102
-103
Collector Current, IC (mA)
UNISONIC TECHNOLOGIES CO., LTD
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Capacitance, Cob (pF)
Collector Current, IC (A)
IB=-3.0mA
0
-0
Collector Current, IC (mA)
DC Current Gain
103
-0.4
Current Gain-Bandwidth Product, fT(MHz)

PNP SILICON TRANSISTOR
10 f=1MHz
IE=0
102
101
100 0
-10
-101
-102
-103
Collector-Base Voltage (V)
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HE8550

PNP SILICON TRANSISTOR
TYPICAL CHARACTERISTICS
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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