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SST-20-B

Horticulture LEDS

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Description

SST-20-B Blue LED

Features
• High Power Blue LED with Peak Wavelength of 450nm
• Typical Wall-Plug Efficiency of 72% at 350 mA
• Maximum drive current: 3 A
• Available with 2 industry standard soldering footprint configurations
• High thermal conductivity package - junction thermal resistance of only 3.5°C/W
• Available with 120° viewing angle
• 8000V HBM ESD rating per MIL STD-883D
• Electrically isolated thermal path
• RoHS and REACh compliant

Applications
• Horticulture / Growlights
• Accent and effect lighting
• Architectural lighting
• Remote-phosphor fixtures
• Stage lighting

SST-20 Binning Structure

SST-20 Blue LEDs are tested for luminous flux and chromaticity at a drive current of 350mA - 20ms single pulse and placed into one of the following luminous flux (FF) and chromaticity (WW) bins:

Flux Bins - Test condition=350mA, 250C, 20ms pulse

Flux Bin (FF)	Minimum Flux (mW)	Maximum Flux (mW)
R	630	670
S	670	710
T	710	750
U	750	790
V	790	830

Wavelength Bins - Test condition=350mA, 250C, 20ms pulse

Chromaticity Bin (WW)	Minimum Wavelength (nm)	Maximum Wavelength (nm)
B2	440	445
B3	445	450
B4	450	455
B5	455	460

Ordering Information

Products	Ordering Part Number	Description
SST-20-B-A120	SST-20-B-A120-xx123	High Power 2-mm2 Blue LED in a 3535 surface mount package and a 120-degree viewing angle - Type A soldering pad configuration
SST-20-B-B120	SST-20-B-B120-xx123	High Power 2-mm2 Blue LED in a 3535 surface mount package and a 120-degree viewing angle - Type B soldering pad configuration

SST-20 Blue Bin Kit Order Codes

Color	Luminous Flux		Chromaticity Bins	Kit Number
Color	Bin Kit Flux Code	Min. Flux	Chromaticity Bins	Kit Number
Blue	R	630	B2,B3,B4,B5	R450
	S	670	B2,B3,B4,B5	S450
	T	710	B2,B3,B4,B5	T450

Optical and Electrical Characteristics at 350mA

Parameter	Symbol	Minimum	Typical	Maximum	Unit
Forward Current at test2	If		350		mA
Output Radiometric Power	Φ r		710		mW
Forward Voltage	Vf	2.5	2.80	3.2	V
Wall-Plug Efficiency	WPE		72		%
Photosynthetic Photon Flux (PPF)4	μmol/s		2.68
PPF Efficacy (PPF/W)	μmol/J		2.73
Viewing Angle (A120 / B120)	2 Ø1/2		120		degrees
Peak Wavelength	λP	440	450	460	nm
FWHM	Δλ1/2	20	22	24	nm
Forward Current (CW)2	Ifmin, Ifmax	0.2		3	A
Maximum Surge Current	If-smax			4	A
Maximum Reverse Current3	Irev			N.A.
LED Junction Temperature	T J			150	0C
ESD withstand Voltage HBM Per JEDEC/ESDA STANDARD JS-001	VHBM	8000			V
ESD withstand Voltage CDM Per JEDEC/ESDA STANDARD JS-002	VCDM	1000			V
Operating Temperature	TOPR	-40		80	0C
Storage Temperature	TSTG	-40		100	0C
Thermal resistance junction to case (electrical)	RΘJc-El		3.5		°c/W