SMD Type
Transistors
PNP Epitaxial Planar Silicon Transistor
2SA1257
SOT-23
+0.1
2.9
-0.1
+0.1
0.4
-0.1
Unit: mm
+0.1
2.4
-0.1
1
2
+0.1
0.95
-0.1
+0.1
1.9
-0.1
Small output capacitance.
0.55
High breakdown voltage.
+0.1
1.3
-0.1
Features
0.4
3
+0.05
0.1
-0.01
+0.1
0.97
-0.1
1.Base
2.Emitter
3.collector
Absolute Maximum Ratings Ta = 25
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector current (pulse)
Collector dissipation
Jumction temperature
Storage temperature
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CP
P
C
T
j
T
stg
Rating
-180
-160
-5
-80
-150
200
125
-55 to +125
Unit
V
V
V
mA
mA
mW
+0.1
0.38
-0.1
0-0.1
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