1.9
0.95 0.95
2.9
0.4
1.3
2.4
1.0
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO.,LTD
SOT-23 Plastic-Encapsulate Transistors
C1815LT1 TRANSISTOR NPN
FEATURES
Power dissipation
P
CM : 0.2 WTamb=25℃)
Collector current
I
CM: 0.15 A
Collector-base voltage
V(BR)CBO : 60 V
Operating and storage junction temperature range
T
JTstg: -55 to +150
ELECTRICAL CHARACTERISTICSTamb=25 unless
otherwise specified
Parameter Symbol Test conditions MIN TYP MAX UNIT
Collector-base breakdown voltage V(BR)CBO Ic= 100μA IE=0 60 V
Collector-emitter breakdown voltage V(BR)CEO Ic= 0.1mA IB=0 50 V
Collector cut-off current ICBO VCB=60 V , I
E=0 0.1 μA
Collector cut-off current ICEO VCE=50 V , I
B=0 0.1 μA
Emitter cut-off current IEBO VEB= 5V , IC=0 0.1 μA
DC current gain hFE(1) VCE= 6V, I
C= 2mA 130 400
Collector-emitter saturation voltage VCE(sat) IC=100 mA, IB= 10mA 0.25 V
Base-emitter saturation voltage VBE(sat) IC=100 mA, IB= 10mA 1 V
Transition frequency fT VCE=10V, I
C= 1mA
f=30MHz 80 MHz
CLASSIFICATION OF hFE(1)
Rank L  H 
Range  130-200  200-400 
DEVICE MARKING : C1815LT1=HF
Unit : mm
SOT23
1. BASE
2. EMITTER
3. COLLECTOR
SOT-23 PACKAGE OUTLINE DIMENSIONS
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
θ
Min
0.900
0.000
0.900
0.300
0.080
2.800
1.200
2.250
1.800
0.300
Max
1.100
0.100
1.000
0.500
0.150
3.000
1.400
2.550
2.000
0.500
Min
0.035
0.000
0.035
0.012
0.003
0.110
0.047
0.089
0.071
0.012
Max
0.043
0.004
0.039
0.020
0.006
0.118
0.055
0.100
0.079
0.020
Dimensions In Millimeters Dimensions In Inches
0.037TPY
0.022REF
0.950TPY
0.550REF
D
E1
A1
A2
A
E
L1
L
b
e1
C
0.2
e
θ