LESHAN RADIO COMPANY, LTD.
L2SC4081*T1–1/5
General Purpose Transistors
1
3
2
L2SC4081*T1
SC-70/SOT– 323
MAXIMUM RATINGS
Rating Symbol Value Unit
Collector–Emitter Voltage V CEO 50 V
Collector–Base Voltage V CBO 60 V
Emitter–Base Voltage V EBO 7.0 V
Collector Current — Continuous I C150 mAdc
Collector power dissipation P C0.2 W
Junction temperature T j150 °C
Storage temperature T stg
-
55
~
+150 °C
hFE values are classified as follows:
QRS
hFE 120~270 180~390 270~560
2
EMITTER
3
COLLECTOR
1
BASE
*
NPN Silicon
FEATURE
ƽLow Cob,Cob=2pF(Typ.).
ƽEpitaxial planar type.
ƽPNP complement:L2SA1576A
ƽPb-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 (TA = 25°C unless otherwise noted.)
Characteristic Symbol Min Typ Max Unit
Collector–Emitter Breakdown Voltage V(BR)CEO 50 — — V
(IC= 1 mA)
Emitter–Base Breakdown V oltage V(BR)EBO 7——V
(IE= 50 µA)
Collector–Base Breakdown V oltage V(BR)CBO 60 — — V
(IC = 50 µA)
Collector Cutoff Current ICBO — — 0.1 µA
(VCB = 60 V)
Emitter cutoff current IEBO — — 0.1 µA
(VEB = 7 V)
Collector-emitter saturation voltage VCE(sat) — — 0.4 V
(IC/ IB = 50 mA / 5m A)
DC current transfer ratio h FE 120 –– 560 ––
(V CE = 6 V, I C= 1mA)
Transition frequency fT— 180 –– MHz
(V CE = 12 V, I E= – 2mA, f =30MHz )
Output capacitance Cob — 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
= 100°C
25°C
– 55°C
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 = 25°C
100
80
60
40
20
0
IC, COLLECTOR 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
VCE= 6 V
VBE ,BASE T O EMITTER VOLTAGE(V)
IC, COLLECTOR CURRENT (mA)
VCE ,COLLECTOR TO EMITTER VOLTAGE (V)
0 48121620
10
8
6
4
2
0
IC, COLLECTOR CURRENT (mA)
VCE ,COLLECTOR TO EMITTER VOLTAGE (V)
500
200
100
50
20
10
hFE, DC CURRENT GAIN
IC, COLLECTOR CURRENT (mA)
0.2 0.5 1 2 5 10 20 50 100 200
500
200
100
50
20
10
hFE, DC CURRENT GAIN
IC, COLLECTOR CURRENT (mA)
0.5
0.2
0.1
0.05
0.02
0.01
VCE(sat), COLLECTOR SATURATION VOLTAGE(V)
IC, 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 ( )
VCE(sat), COLLECTOR SATURATION VOLT AGE(V)
IC, 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
fr, TRANSITION FREQUENCY(MHz)
IE, 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
Cob , COLLECTOR OUTPUT CAPACIT ANCE( pF)
Cib , EMITTER INPUT CAPACIT ANCE (pF)
VCB, COLLECTOR TO BASE VOLTAGE (V)
VEB, 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
VCE(sat), COLLECTOR SATURATION VOLT AGE(V)
IC, 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
Cc-rbb, BASE COLLECTOR TIME CONSTANT( ps)
IE, 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.
DIMENSION
I
NG AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
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
CN
AL
D
G
SB
H
J
K
3
12
0.05 (0.002)
SC
-
70 / SOT
-
323
L2SC4081*T1-5/5
L2SC4081*T1
