Lighting definitions explained
Legend technical specifications Backwards compatible Beam angle
Central beam candela Chip on board CoB Symbol Definition (º)
It can work with an older product or technology Exit angle of the light beam
Power emitted by a light source in a particular direction. A common candle emits light with a luminous intensity of roughly one candela
Refers to the semiconductor assembly technology wherein the microchip or die is directly mounted on and electrically interconnected to its final circuit board, instead of undergoing traditional assembly or packaging as an individual IC
Correlated color temperature Color rendering index Color consistency (initial)
Connectivity Digital
Dimmable average lifetime 10% failure hrs Dimming range Driver power factor
Efficiency range max load Frequency GPC code
Housing color Input Voltage IP classification
Inrush current peak Lifetime
Lifetime 10% failure Light output Lumen maintenance @ 50,000 hrs
Luminous flux Module efficacy Module power
Module temperature control
Passive cooling Power factor
Relative humidity Smart fixture
System efficacy System power Tc life driver
Tc life module Zhaga
Pf %
lm
lm/W W
Hz V K CRI SDCM
CCT; describes whether white light appears warm (reddish), neutral or cool (bluish)
The ability to reproduce the colors of various objects faithfully in reference to an ideal light source
Standard Deviation of Color Matching; describing the difference between two colors. e.g. a difference of 1-3 SDCM is virtually imperceptible; a difference of 4 or more is readily visible
The capacity to be connected to other appliances, facilities and the internet
A collection of evolving technologies that enables generation, collection, analysis, storage in real-time and data exchange
Lifetime in hours, defined by reaching 10% failures (i.e. 90% survivors) when dimmed
Dimming range in which the system will perform as specified
Indicating how effective the driver converts electric current to useful power output
Efficiency when operated at maximum power (not dimmed) See line frequency
European Product code Color of housing
Voltage required as input for the product
lngress protection defined in terms of object size and water beam protected against
Highest current the capacitative components operate at start up hrs hrs lm
Lifetime in hours, associated with specific conditions (e.g. lumen maintenance, Tc, failure)
Lifetime in hours, defined by reaching 10% failures (i.e. 90% survivors) for a population
Output of luminous flux
% of the original lumen flux remaining after indicated (life-)time for a defined population; e.g. B50/L70 indicates 50% of the population retaining 70% of the orginal light output
Total energy emitted by a light source across the visible wavelengths of light Efficiency module; lumen output per Watt input Energy required to operate the module
Protective feature with which the driver regulates the module power when a certain critical temperature of the module is passed
Cooling without power consumption See: driver power factor
Portion of water vapor in a mixture of air and water vapor
Lighting fixtures that are enabled for connectivity become a node in the network by containing one or more sensors and have the ability to change behavior as a response to a stimulus
lm/W W °C
°C Efficiency module + driver Energy required to operate the system
Temperature of indicated point on the product on which the lifetime is based
Temperature of indicated point on the product on which the lifetime is based
An industry-wide cooperation between companies aimed at enabling the interchangeability of LED light sources made by different manufacturers
Philips OEM LED catalog 136
Xtreme modules Xtreme drivers
Linear modules Linear drivers
Point modules Point drivers
Retail display lighting Connectivity
Tools & services Table of content
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