KLM-9023-001 1
SM3518 / SM3518(B)
LED Lamp
Features
• Green colored diffusion lens type
• φ3mm(T-1) all plastic mold type
• Low power consumption
Outline Dimensions unit : mm
S
Se
em
mi
ic
co
on
nd
du
uc
ct
to
or
r
PIN Connections
1.Anode
2.Cathode
STRAIGHT TYPE STOPPER TYPE
12
2.9±0.2
23.0 MIN
4.1±0.2
1.0 MIN
2.54 NOM 2.54 NOM
23.0 MIN
1.0 MIN
4.1±0.2
2.9±0.2
5.5±0.4
3.0±0.2 3.0±0.2
3.6±0.2
3.8±0.2
0.5 0.5
3.6±0.2
2
3.8±0.2
1
KLM-9023-001 2
SM3518 / SM3518
(
B
)
Absolute maximum ratings
Characteristic Symbol Ratings Unit
Power Dissipation PD 85 mW
Forward Current IF 30 mA
*1Peak Forward Current IFP 50 mA
Reverse Voltage VR 4 V
Operating Temperature Topr -25∼85 ℃
Storage Temperature Tstg -30∼100 ℃
*2Soldering Temperature Tsol 260℃ for 5 seconds
*1.Duty ratio = 1/16, Pulse width = 0.1ms
*2.Keep the distance more than 2.0mm from PCB to the bottom of LED package
Electrical Characteristics
Characteristic Symbol Test Condition Min. Typ. Max. Unit
Forward Voltage VF I
F= 20mA - 2.1 2.8 V
Luminous Intensity IV IF= 20mA 12 28 - mcd
Peak Wavelength λP IF= 20mA - 570 - nm
Spectrum Bandwidth Δλ IF= 20mA - 30 - nm
Reverse Current IR VR=4V - - 10 uA
*3Half angle θ1/2 IF= 20mA - ±55 - deg
*3. θ1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity
KLM-9023-001 3
SM3518 / SM3518
(
B
)
Characteristic Diagrams
Fig.4 Spectrum Distribution
Fig. 3 IF – Ta
Fig. 2 IV - IF
Fig. 1 IF - VF
Forward Current IF [mA]
Ambient Temperature Ta [℃]
Relative Intensity [%]
Wavelength λ [nm]
Forward Voltage VF [V]
Forward Current IF [mA]
Forward Current IF [mA]
Luminous Intensity Iv [mcd]
Fig. 5 Radiation Diagram
Relative Luminous Intensity Iv [%]
