
Top View
A
L
C B
D
G
H J
F
K E
1
2
3
1
2
3
FEATURES
Low Cob. Cob=2.0pF (Typ.)
Excellent hFE linearity
Complementary to 2SA1576A
Elektronische Bauelemente
A suffix of “-C” specifies halogen & lead-free
RoHS Compliant Product
2SC4081F
0.15A , 60V
NPN Plastic-Encapsulate Transistor
SOT-323
CLASSIFICATION OF h
FE
Product-Rank 2SC4081F-Q 2SC4081F-R 2SC4081F-S
Range 120~270 180~390 270~560
Marking BQ BR
PACKAGE INFORMATION
Package MPQ LeaderSize
SOT-23 3K 7’ inch
ABSOLUTE MAXIMUM RATINGS
BS
(TA = 25°C unless otherwise specified)
REF.
Min. Max.
A 1.80 2.20 G 0.100 REF.
B 1.80 2.45 H 0.525 REF.
C 1.15 1.35 J 0.08 0.25
D 0.80 1.10 K - -
E 1.20 1.40 L 0.650 TYP.
F 0.20 0.40
REF.
Collector
Min. Max.
Parameter Symbol Rating Unit
Collector-Base Voltage V
Collector-Emitter Voltage V
Emitter-Base Voltage V
Collector Current IC 150 mA
Collector Power Dissipation PC 200 mW
Junction & Storage temperature TJ, T
60 V
CBO
50 V
CEO
7 V
EBO
150, -55~150 °C
STG
ELECTRICAL CHARACTERISTICS
Parameter Symbol Min. Typ. Max. Unit Test Conditions
Collector-Base Breakdown Voltage V
Collector-Emitter Breakdown Voltage V
Emitter-Base Breakdown Voltage V
Collector Cut-Off Current I
Emitter Cut-off Current I
DC Current Gain hFE 120 - 560 VCE=6V, IC=1mA
Collector-Emitter Saturation Voltage V
Transition Frequency fT - 180 - MHz VCE=12V, IC=2mA,f=30MHz
Collector Output Capacitance Cob - - 3.5 pF VCB=12V, IE=0, f=1MHz
http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually.
18-Feb-2011 Rev. C Page 1 of 3
(TA = 25°C unless otherwise specified)
(BR)CBO
(BR)CEO
(BR)EBO
CBO
EBO
CE(sat)
60 - - V IC=50µA, IE=0
50 - - V IC=1mA, IB=0
7 - - V IE=50µA, IC=0
- - 0.1 µA VCB=60V, IE=0
- - 0.1 µA VEB=7V, IC=0
- - 0.4 V IC=50mA, IB=5mA

Elektronische Bauelemente
CHARACTERISTIC CURVES
2SC4081F
NPN Plastic-Encapsulate Transistor
0.15A , 60V
http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually.
18-Feb-2011 Rev. C Page 2 of 3

Elektronische Bauelemente
CHARACTERISTIC CURVES
2SC4081F
NPN Plastic-Encapsulate Transistor
0.15A , 60V
http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually.
18-Feb-2011 Rev. C Page 3 of 3