LESHAN RADIO COMPANY, LTD.
L2SC4081*T11/5
General Purpose Transistors
1
3
2
L2SC4081*T1
SC-70/SOT 323
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
CollectorEmitter Voltage
V
CEO
50
V
CollectorBase Voltage
V
CBO
60
V
EmitterBase Voltage
V
EBO
7.0
V
Collector Current -- Continuous
I
C
150
mAdc
Collector power dissipation
P
C
0.2
W
Junction temperature
T
j
150
C
Storage temperature
T
stg
-55 ~+150
C
h
FE
values are classified as follows:
Q
R
S
h
FE
120~270
180~390
270~560
2
EMITTER
3
COLLECTOR
1
BASE
*
NPN Silicon
FEATURE
Low Cob,Cob=2pF(Typ.).
Epitaxial planar type.
PNP complement:L2SA1576A
Pb-Free Package is available.
DEVICE MARKING AND ORDERING INFORMATION
Device
Marking
Shipping
L2SC4081QT1
BQ
3000/Tape&Reel
L2SC4081QT1G
BQ
(Pb-Free)
3000/Tape&Reel
L2SC4081RT1
BR
3000/Tape&Reel
L2SC4081RT1G
BR
(Pb-Free)
3000/Tape&Reel
L2SC4081ST1
BS
3000/Tape&Reel
L2SC4081ST1G
BS
(Pb-Free)
3000/Tape&Reel
LESHAN RADIO COMPANY, LTD.
L2SC4081*T1-2/5
L2SC4081*T1
ELECTRICAL CHARACTERISTICS
(T
A
= 25C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
CollectorEmitter Breakdown Voltage
V
(BR)CEO
50
--
--
V
(I
C
= 1 mA)
EmitterBase Breakdown Voltage
V
(BR)EBO
7
--
--
V
(I
E
= 50
A)
CollectorBase Breakdown Voltage
V
(BR)CBO
60
--
--
V
(I
C
= 50
A)
Collector Cutoff Current
I
CBO
--
--
0.1
A
(V
CB
= 60 V)
Emitter cutoff current
I
EBO
--
--
0.1
A
(V
EB
= 7 V)
Collector-emitter saturation voltage
V
CE(sat)
--
--
0.4
V
(I
C
/ I
B
= 50 mA / 5m A)
DC current transfer ratio
h
FE
120
560
(V
CE
= 6 V, I
C
= 1mA)
Transition frequency
f
T
--
180
MHz
(V
CE
= 12 V, I
E
= 2mA, f =30MHz )
Output capacitance
C
ob
--
2.0
3.5
pF
(V
CB
= 12 V, I
E
= 0A, f =1MHz )
LESHAN RADIO COMPANY, LTD.
L2SC4081*T1-3/5
L2SC4081*T1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
T
A
= 100C
25C
55C
50
20
10
50
2
1
0.5
0.2
0.1
0
0.4
0.8
1.2
1.6
2.0
T
A
= 25C
100
80
60
40
20
0
I
C
, COLLECT
OR CURRENT
(mA)
Fig.1 Grounded emitter propagation characteristics
Fig.2 Grounded emitter output characteristics( )
Fig.3 Grounded emitter output characteristics( )
Fig.4 DC current gain vs. collector current ( )
Fig.5 DC current gain vs. collector current ( )
Fig.6 Collector-emitter saturation voltage vs.
collector current
V
CE
= 6 V
V
BE
, BASE TO EMITTER VOLTAGE(V)
I
C
, COLLECT
OR CURRENT
(mA)
V
CE
, COLLECTOR TO EMITTER VOLTAGE (V)
0
4
8
12
16
20
10
8
6
4
2
0
I
C
, COLLECT
OR CURRENT
(mA)
V
CE
, COLLECTOR TO EMITTER VOLTAGE (V)
500
200
100
50
20
10
h
FE
, DC CURRENT GAIN
I
C
, COLLECTOR CURRENT (mA)
0.2
0.5
1
2
5
10
20
50
100
200
500
200
100
50
20
10
h
FE
, DC CURRENT GAIN
I
C
, COLLECTOR CURRENT (mA)
0.5
0.2
0.1
0.05
0.02
0.01
V
CE(sat)
, COLLECT
OR SA
TURA
TION VOL
T
AGE(V)
I
C
, COLLECTOR CURRENT (mA)
0.50mA
0.2
0.5
1
2
5
10
20
50
100
200
0.2
0.5
1
2
5
10
20
50
100
200
LESHAN RADIO COMPANY, LTD.
L2SC4081*T1-4/5
Fig.8 Collector-emitter saturation voltage vs.
collector current ( )
V
CE(sat)
, COLLECT
OR SA
TURA
TION VOL
T
AGE(V)
I
C
, COLLECTOR CURRENT (mA)
0.2
0.5
1
2
5
10
20
50
100
L2SC4081*T1
Fig.9 Gain bandwidth product vs. emitter current
500
200
100
50
f
r
, TRANSITION FREQUENCY(MHz)
I
E
, EMITTER CURRENT (mA)
0.5
1
2
5
10
20
50
100
Fig.10 Collector output capacitance vs.collector-base voltage
Emitter inputcapacitance vs. emitter-base voltage
20
10
5
2
1
C
ob
, COLLECT
OR OUTPUT
CAP
ACIT
ANCE( pF)
C
ib
, EMITTER INPUT
CAP
ACIT
ANCE (pF)
V
CB
, COLLECTOR TO BASE VOLTAGE (V)
V
EB
, EMITTER TO BASE VOLTAGE (V)
0.2
0.5
1
2
5
10
20
50
Fig.7 Collector-emitter saturation voltage vs.
collector current ( )
0.5
0.2
0.1
0.05
0.02
0.01
V
CE(sat)
, COLLECT
OR SA
TURA
TION VOL
T
AGE(V)
I
C
, COLLECTOR CURRENT (mA)
0.2
0.5
1
2
5
10
20
50
100
200
0.5
0.2
0.1
0.05
0.02
0.01
Fig.11 Base-collector time constant vs.emitter current
200
100
50
20
10
C
c
-
r
bb
, BASE COLLECT
OR
TIME CONST
ANT( ps)
I
E
, EMITTER CURRENT (mA)
0.2
0.5
1
2
5
10
LESHAN RADIO COMPANY, LTD.
0.7
1.9
0.028
0.65
0.025
0.65
0.025
inches
mm
0.075
0.035
0.9
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM MIN MAX MIN MAX
MILLIMETERS
INCHES
A 0.071 0.087 1.80 2.20
K 0.017 REF 0.425 REF
L 0.026 BSC 0.650 BSC
N 0.028 REF 0.700 REF
S
0.079 0.095 2.00
2.40
B 0.045 0.053 1.15 1.35
C 0.032 0.040 0.80 1.00
D 0.012 0.016 0.30 0.40
G 0.047 0.055 1.20 1.40
H 0.000 0.004 0.00 0.10
J 0.004 0.010 0.10 0.25
C
N
A
L
D
G
S
B
H
J
K
3
1
2
0.05 (0.002)
SC-70 / SOT-323
L2SC4081*T1-5/5
L2SC4081*T1
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