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2SA1256-E4 Datasheet(PDF) 1 Page - Guangdong Kexin Industrial Co.,Ltd

Part # 2SA1256-E4
Description  PNP Transistors
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Manufacturer  KEXIN [Guangdong Kexin Industrial Co.,Ltd]
Direct Link  http://www.kexin.com.cn/index.asp
Logo KEXIN - Guangdong Kexin Industrial Co.,Ltd

2SA1256-E4 Datasheet(HTML) 1 Page - Guangdong Kexin Industrial Co.,Ltd

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SMD Type
IC
www.kexin.com.cn
1
SMD Type
Transistors
Features
High fT (230MHz typ), and small Cre (1.1pF typ).
Small NF (2.5dB typ).
Absolute Maximum Ratings Ta = 25
ti
n
U
g
n
it
a
R
l
o
b
m
y
S
r
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t
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m
a
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g
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b
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ll
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C
CBO
-30
V
V
e
g
a
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v
r
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tt
i
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-r
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C
CEO
-20
V
V
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tt
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E
EBO
-5
V
I
t
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rr
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c
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t
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C
C
-30
mA
P
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it
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C
C
150
mW
T
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t
a
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p
m
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it
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u
J
j
125
T
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p
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t
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a
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S
stg
-55 to +125
PNP Transistors
2SA1256
Electrical Characteristics Ta = 25℃
Classification of hfe
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Collector- base breakdown voltage
VCBO
Ic= -100 μA, IE=0
-30
Collector- emitter breakdown voltage
VCEO
Ic= -1 mA, IB=0
-20
Emitter - base breakdown voltage
VEBO
IE= -100μA, IC=0
-5
Collector-base cut-off current
ICBO
VCB= -10 V , IE=0
-100
Emitter cut-off current
IEBO
VEB= -4V , IC=0
-100
Collector-emitter saturation voltage
VCE(sat) IC=-20 mA, IB=-1mA
0.5
Base-emitter saturation voltage
VBE(sat) IC=-20 mA, IB=-1mA
1.2
DC current gain
hFE
VCE= -6V, IC= -1mA
60
270
Noise figure
NF
2.5
Voltage gain
PG
22
Base-collector time constant
rbb,Cc VCE= -6V, IC= -1mA,f=31.9MHz
11
20
ps
Collector output capacitance
Cre
VCB= -6V, f=10MHz
1.1
1.7
pF
Transition frequency
fT
VCE= -6V, IC= -1mA
150
230
MHz
V
nA
dB
VCE= -6V, IC= -1mA,f=100MHz
V
Type
2SA1256-E3
2SA1256-E4
2SA1256-E5
Range
60-120
90-180
135-270
Marking
E3
E4
E5
0.4 +0.1
-0.1
2.9 +0.1
-0.1
0.95 +0.1
-0.1
1.9 +0.1
-0.1
1.Base
2.Emitter
3.collector
1
2
3
Unit: mm
SOT-23
0.1 +0.05
-0.01


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