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
SS8050LT1 TRANSISTOR NPN
FEATURES
Power dissipation
P
CM : 0.3 WTamb=25℃)
Collector current
ICM : 1.5 A
Collector-base voltage
V(BR)CBO : 40 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 40 V
Collector-emitter breakdown voltage V(BR)CEO Ic= 0.1mA IB=0 25 V
Emitter-base breakdown voltage V(BR)EBO IE=100μA IC=0 5 V
Collector cut-off current I
CBO VCB=40 V , I
E=0 0.1 μA
Collector cut-off current I
CEO VCB=20V , I
E=0 0.1 μA
Emitter cut-off current IEBO VEB= 5V , IC=0 0.1 μA
hFE(1) VCE=1V, I
C= 100mA 120 350
DC current gain hFE(2) VCE=1V, I
C= 800mA 40
Collector-emitter saturation voltage VCE(sat) IC=800 mA, IB= 80mA 0.5 V
Base-emitter saturation voltage VBE(sat) IC=800 mA, IB= 80mA 1.2 V
Transition frequency f
T VCE=10V, I
C= 50mA
f=30MHz 100 MHz
CLASSIFICATION OF hFE(1)
Rank L  H 
Range 120-200  200-350 
DEVICE MARKING:
8050LT1=Y1
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