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SMD Type
Transistors
NPN Medium Frequency Transistor KFS20(BFS20)
Features
Low current (max. 25 mA) Low voltage (max. 20 V) Very low feedback capacitance (typ. 350 fF).
+0.12.4 -0.1
SOT-23
2.9+0.1 -0.1
0.4+0.1 -0.1
3
12 0.95+0.1
-0.1
1.9+0.1 -0.1
+0.11.3 -0.1
0.55 0.4
Unit: mm 0.1+0.05
-0.01
+0.10.97 -0.1
Absolute Maximum Ratings Ta = 25
Parameter
Symbol
Collector-base voltage
VCBO
Collector-emitter voltage
VCEO
Emitter-base voltage
VEBO
Collector current
IC
Peak collector current
ICM
power dissipation
PD
Thermal resistance from junction to ambient *
Rth j-a
Junction temperature
Tj
Storage temperature
Tstg
* Transistor mounted on an FR4 printed-circuit board.
Rating 30 20 4 25 25 250 500 150
-65 to +150
Unit V V V mA mA
mW K/W
0-0.1 +0.10.38
-0.1
1.Base 2.