Name: LMR040-1000-40F9-20100TW LED ENG LMR4 WHT ROUND 4000K
Brand: CreeLED, Inc.
SKU: LMR040-1000-40F9-20100TW
Price: 40.00 USD
Availability: InStock
Rating: 4.9 (2 reviews)

Question 1

What is the Mfr

Accepted Answer

Mfr refers to the component's producing company, whose brand and manufacturing processes directly impact the component's performance, consistency, and traceability, making it a key reference during selection.

Question 2

What is the Series

Accepted Answer

Series indicates a manufacturer’s organized range of components, often named with a common prefix or code, to streamline product selection and ensure compatibility across similar models.

Question 3

What is the Package

Accepted Answer

his term denotes the protective casing (often made of plastic, ceramic, or metal) that encapsulates an integrated circuit, determining its size, reliability, and suitability for different mounting technologies like through-hole or SMT.

Question 4

What is the Base Product Number

Accepted Answer

By using the Base Product Number, manufacturers and customers can efficiently communicate about component families without detailing every specification, streamlining the procurement process.

Question 5

What is the Lumens/Watt @ Current - Test

Accepted Answer

Lumens/Watt @ Current - Test is a measure of a light source's efficiency in converting electrical energy to light at a given operating current.

Question 6

What is the CCT (K)

Accepted Answer

Correlated Color Temperature quantifies the hue of white light emitted by a source, measured in Kelvin (K). It describes the perceived warmth or coolness of the light by comparing it to the color of a theoretical black-body radiator at a specific temperat

Question 7

What is the CRI (Color Rendering Index)

Accepted Answer

A dimensionless metric (0-100) quantifying how accurately a light source reveals the true colors of objects compared to a reference illuminant of the same correlated color temperature. A higher value indicates superior color fidelity, which is critical fo

Question 8

What is the Light Emitting Surface (LES)

Accepted Answer

The active area from which a light source, such as an LED or laser diode, emits radiant flux. It is a key geometric parameter that defines the source's apparent size and spatial emission profile, directly influencing optical design factors like étendue, b

Question 9

What is the Temperature - Test

Accepted Answer

This parameter specifies the ambient or junction temperature at which a device's key electrical characteristics are measured and guaranteed in its datasheet. It is a critical test condition, typically expressed in degrees Celsius (°C), that ensures perfor

Question 10

What is the Luminous Flux @ Current/Temperature

Accepted Answer

A measure of the total visible light power emitted by a source, expressed in lumens (lm), under specified forward current and ambient temperature conditions. This parameter quantifies the absolute optical output and is the primary metric for comparing the

Question 11

What is the Type

Accepted Answer

This parameter categorizes a component based on its fundamental operating principle, internal structure, or primary application domain. It serves as the highest-level identifier, grouping devices with shared core characteristics—such as "N-Channel MOSFET,

Question 12

What is the Product Status

Accepted Answer

Product Status indicates the commercial availability and production stage of the component, such as Active, Not for New Design (NRND), Obsolete, or Last Time Buy (LTB).

Question 13

What is the Configuration

Accepted Answer

This parameter defines the specific arrangement, interconnection, and operational settings of hardware components or software parameters within a system or device. It determines the functional state, performance characteristics, and compatibility of the a

Question 14

What is the Voltage - Forward (Vf) (Typ)

Accepted Answer

This parameter specifies the typical forward voltage drop across a semiconductor junction (e.g., in a diode or LED) when conducting a specified test current. It is a key indicator of conduction loss and power efficiency, measured in volts (V). The value i

Question 15

What is the Height

Accepted Answer

Height refers to the vertical dimension of a component, measured perpendicularly from its mounting or reference plane to its highest point. This critical mechanical parameter determines the component's spatial footprint and influences clearance, stacking

Question 16

What is the Color

Accepted Answer

A visual attribute determined by the wavelength of light reflected or emitted, used for rapid identification, polarity marking, functional grouping (e.g., resistor bands, LED emission, wire jackets), and status indication of components within a system.

Question 17

What is the Wavelength

Accepted Answer

The distance between successive crests of an electromagnetic wave, measured in nanometers (nm) or micrometers (µm). It determines the wave's energy and its interaction with matter, defining the color of light in the visible spectrum and the absorption/tra

Question 18

What is the Size / Dimension

Accepted Answer

This parameter specifies the physical measurements of a component, typically expressed as length, width, height, and/or diameter in millimeters or inches. It defines the component's spatial footprint, which is critical for mechanical integration, PCB layo

Question 19

What is the Current - Test

Accepted Answer

This parameter specifies the magnitude of direct or alternating current, measured in Amperes (A) or milliamperes (mA), applied to a component during a standardized characterization or qualification test. It defines the precise electrical stimulus used to

Question 20

What is the Viewing Angle

Accepted Answer

The angular range, measured in degrees, over which a display or optical sensor maintains acceptable performance in contrast, color accuracy, and brightness. It is defined by the off-axis angle at which the luminance or contrast ratio falls to a specified

Question 21

What is the Lens Type

Accepted Answer

Lens Type classifies an optical element based on its fundamental geometric shape and light-bending function, such as plano-convex, biconvex, meniscus, or aspheric. This categorization determines its primary optical properties—including focal length, aberr

Question 22

What is the Features

Accepted Answer

These are the additional, non-core capabilities or characteristics integrated into a component beyond its primary function. They enhance performance, reliability, or ease of use, such as built-in protection (thermal shutdown, overcurrent), enable/disable

Question 23

What is the Current - Max

Accepted Answer

The maximum continuous current that a component, device, or conductor can safely carry without exceeding its thermal or electrical limits, resulting in permanent degradation or failure. This absolute maximum rating, measured in Amperes (A), is a critical

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