UNISONIC TECHNOLOGIES CO., LTD
PZTA44/45
NPN HIGH VOLTAGE
TRANSISTOR
FEATURES
* Collector-emitter voltage:
V
CEO
=400V(PZTA44)
V
CEO
=350V(PZTA45)
* Collector current up to 300mA
NPN SILICON TRANSISTOR
APPLICATION
* Telephone switching
* High voltage switch
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
PZTA44L-AA3-R
PZTA44G-AA3-R
PZTA45L-AA3-R
PZTA45G-AA3-R
Package
SOT-223
SOT-223
Pin Assignment
1
2
3
B
C
E
B
C
E
Packing
Tape Reel
Tape Reel
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Copyright © 2012 Unisonic Technologies Co., Ltd
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QW-R207-003.D
PZTA44/45
PARAMETER
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Collector Dissipation
Junction Temperature
Storage Temperature
PZTA44
PZTA45
PZTA44
PZTA45
SYMBOL
V
CBO
V
CEO
V
EBO
I
C
P
C
T
J
T
STG
NPN SILICON TRANSISTOR
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C, unless otherwise specified)
RATINGS
500
400
400
350
6
300
1.2
+150
-55 ~ +150
UNIT
V
V
V
V
V
mA
W
°C
°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
(T
J
=25°C, unless otherwise specified)
PARAMETER
PZTA44
Collector-Base Breakdown
Voltage
PZTA45
PZTA44
Collector-Emitter Breakdown
Voltage
PZTA45
Emitter-Base Breakdown Voltage
PZTA44
Collector Cut-OFF Current
PZTA45
PZTA44
Collector Cut-OFF Current
PZTA45
Emitter Cut-OFF Current
SYMBOL
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
CES
I
EBO
TEST CONDITIONS
I
C
=100μA, I
B
=0
I
C
=1mA, I
B
=0
I
E
=100μA, I
C
=0
V
CB
=400V, I
E
=0
V
CB
=320V, I
E
=0
V
CE
=400V, I
B
=0
V
CE
=320V, I
B
=0
V
EB
=4V, I
C
=0
V
CE
=10V, I
C
=1mA
V
CE
=10V, I
C
=10mA
V
CE
=10V, I
C
=50mA
V
CE
=10V, I
C
=100mA
I
C
=1mA, I
B
=0.1mA
I
C
=10mA, I
B
=1mA
I
C
=50mA, I
B
=5mA
I
C
=10mA, I
B
=1mA
V
CE
=20V,Ic=10mA, f=100MHz
V
CB
=20V, I
E
=0, f=1MHz
MIN
500
400
400
350
6
TYP
MAX
UNIT
V
V
V
V
V
μA
μA
μA
μA
μA
0.1
0.1
0.5
0.5
0.1
40
50
45
40
240
DC Current Gain (Note)
h
FE
Collector-Emitter Saturation Voltage
V
CE(SAT)
Base-Emitter Saturation Voltage
V
BE(SAT)
Current Gain Bandwidth Product
f
T
Output Capacitance
C
OB
Note: Pulse test: Pulse Width<300μs, Duty Cycle<2%
0.4
0.5
0.75
0.75
50
7
V
V
V
V
MHz
pF
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TYPICAL CHARACTERISTICS
Fig.1 DC Current Gain
1
10
140
120
100
80
60
40
20
0
-20
-40
0
10
1
10
2
10
3
10
4
10
-1
10
0
10
NPN SILICON TRANSISTOR
Fig.2 Turn-ON Switching Time
DC Current Current Gain, h
FE
V
CE
=10V
V
CE
=150V
Ic/I
B
=10
T
A
=25°C
V
BE(OFF)
=4V
Time( s)
0
10
t
F
t
D
1
10
2
10
Collector Current, I
C
(mA)
Collector Current, I
C
(mA)
Fig.3 Turn-OFF Switching Time
2
10
Fig.4 Capacitance
3
10
V
CE
=150V
I
C
/I
B
=10
T
A
=25°C
Time( s)
1
10
Capacitance(pF)
2
10
t
S
C
IB
0
10
t
F
1
10
C
OB
-1
10
0
10
1
10
2
10
0
10
-1
10
0
10
1
10
2
10
3
10
Collector Current, Ic (mA)
Collector Voltage (V)
Fig.5 ON Voltage
Base-Emitter Saturation Voltage,
V
BE(SAT)
(V)
1.0
Fig.6 Collector Saturation Region
Collector-Emitter Voltage, V
CE
(V)
0.5
T
A
=25°C
0.8
0.4
V
BE(SAT)
,Ic/I
B
=10
0.6
I
C
=1mA
I
C
=10mA
I
C
=50mA
0.3
V
BE(ON),
V
CE
=10V
0.4
0.2
0.2
V
CE(SAT)
,Ic/I
B
=10
0.1
T
A
=25°C
0
1
10
2
10
3
10
4
10
5
10
0
-1
10
0
10
1
10
2
10
3
10
Collector Current, Ic (mA)
Base Current, I
B
( A)
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TYPICAL CHARACTERISTICS(Cont.)
Fig.7 High Frequency Current Gain
2
10
NPN SILICON TRANSISTOR
Fig.8 Safe Operating Area
4
10
V
CE
=10V
f=10MHz
T
A
=25°C
3
10
1ms
1s
=2
T
C
Valid Duty
Cycle<10%
0.1ms
1
10
2
10
C
5°
=2
T
A
5°
C
0
10
1
10
-1
10
-1
10
0
10
1
10
2
10
3
10
0
10
PZTA44
0
10
1
10
2
10
3
10
4
10
Collector Current, Ic (mA)
Collector-Emitter Voltage, V
CE
(V)
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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QW-R207-003.D
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