The OSRAM LT T673-Q1R2-25 is a green TOPLED LED with a dominant wavelength of 529 nm, housed in a PLCC-2 surface-mount package. Featuring a luminous intensity of 1.2 cd at 20 mA, 120-degree viewing angle, and 3.7V forward voltage, it is designed for automotive exterior lighting, traffic signs, and general indication applications.<\/p>\n
| Color LED<\/td>\n | Green<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Longitud de onda dominante<\/td>\n | 529 nm<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Luminous Intensity (IV)<\/td>\n | 1.2 cd (Typ @ 20 mA)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| \u00c1ngulo de visi\u00f3n<\/td>\n | 120 degrees<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Forward Voltage (VF)<\/td>\n | 3.7 V (Typ @ 20 mA)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Forward Current (IF)<\/td>\n | 20 mA (Nominal), 50 mA (Max)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Temperatura de funcionamiento<\/td>\n | -40C to +100C<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Paquete<\/td>\n | PLCC-2<\/td>\n<\/tr>\n<\/table>\nCaracter\u00edsticas<\/h2>\nAplicaciones<\/h2>\nProduct Overview The OSRAM LT T673-Q1R2-25 is a green TOPLED LED with a dominant wavelength of 529 nm, housed in a PLCC-2 surface-mount package. Featuring a luminous intensity of 1.2 cd at 20 mA, 120-degree viewing angle, and 3.7V forward voltage, it is designed for automotive exterior lighting, traffic signs, and general indication applications. Key […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,33],"tags":[1819],"chip_brand":[144],"class_list":["post-10515","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-led-driver-ics","tag-lt-t673-q1r2-25","chip_brand-on"],"acf":{"brief_explanation":"Green TOPLED, 529nm, 1.2 cd, 3.7V, 20mA, 120 deg, PLCC-2, automotive AEC-Q102","date_code":"","package_case":"PLCC-2 3.2 x 2.8 x 1.9 mm","in_stock":3456,"datasheet":"https:\/\/www.osram.com\/ecat\/LT-T673-Q1R2-25\/en","price":"$0.18 @ 3ku","product_introduction":"The OSRAM LT T673-Q1R2-25 is a green TOPLED LED emitting at a dominant wavelength of 529 nm, housed in a PLCC-2 surface-mount package. The device delivers a luminous intensity of 1.2 candela at 20 mA with a wide 120-degree viewing angle, providing clear visibility from multiple directions. The pure green emission at 529 nm offers excellent perceived brightness due to the human eye's peak sensitivity near 555 nm. The LED is qualified per AEC-Q102 standards for automotive applications, supporting use in exterior lighting systems including turn signals and pedestrian warning indicators. The PLCC-2 package is compatible with standard surface-mount assembly processes and provides good thermal management through its lead frame design.","working_principle":"The LT T673-Q1R2-25 uses an InGaN (Indium Gallium Nitride) LED chip that emits green light when forward current flows through the PN junction. The specific InGaN composition determines the emission wavelength \u2014 higher indium content shifts the emission toward longer wavelengths (green to red). At 529 nm, the emission is in the green region of the visible spectrum. The luminous intensity of 1.2 cd is relatively high for green LEDs because the human eye has maximum photopic sensitivity at approximately 555 nm, making green light appear brighter than other colors at the same optical power. The forward voltage of 3.7V reflects the wider bandgap of the InGaN material compared to red AlInGaP LEDs (typically 2.0V). The 120-degree viewing angle is achieved through the package lens geometry and internal reflector design. The LED must be driven with constant current \u2014 the intensity is approximately proportional to forward current below the saturation point.","pin_description":"
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