Samsung Electro-Mechanics SPMWH3228FD5WAP0S4
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- SPMWH3228FD5WAP0S4
- Samsung Electro-Mechanics
- LED LM281BZ COOL WHT 6500K 2SMD
- LED Lighting - White
- SPMWH3228FD5WAP0S4 Datasheet
- 1113 (2835 Metric)
- 1113 (2835 Metric)
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Lead free / RoHS Compliant - 4447
- Spot Inventory / Athorized Dstributor / Factory Excess Stock
- 1 year quality assurance 》
- Click to get rates
What is SPMWH3228FD5WAP0S4
Samsung Electro-Mechanics Part Number SPMWH3228FD5WAP0S4（LED Lighting - White）, developed and manufactured by Samsung Electro-Mechanics, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.
SPMWH3228FD5WAP0S4 is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.
SPMWH3228FD5WAP0S4 Specifications
- Part NumberSPMWH3228FD5WAP0S4
- CategoryLED Lighting - White
- ManufacturerSamsung Electro-Mechanics
- DescriptionLED LM281BZ COOL WHT 6500K 2SMD
- Package1113 (2835 Metric)
- SeriesLM281BZ
- Mounting TypeSurface Mount
- Package / Case1113 (2835 Metric)
- Supplier Device Package2835
- Size / Dimension0.110" L x 0.126" W (2.80mm x 3.20mm)
- Current - Max160mA
- Current - Test150mA
- ColorWhite, Cool
- Height - Seated (Max)0.030" (0.75mm)
- Voltage - Forward (Vf) (Typ)3.1V
- Viewing Angle120°
- Flux @ 25°C, Current - Test67 lm (65 lm ~ 69 lm)
- Lumens/Watt @ Current - Test144 lm/W
- CCT (K)6500K
- CRI (Color Rendering Index)80
Application of SPMWH3228FD5WAP0S4
SPMWH3228FD5WAP0S4 Datasheet
SPMWH3228FD5WAP0S4 Datasheet , 1113 (2835 Metric),LM281BZ,Surface Mount,1113 (2835 Metric),2835,0.110" L x 0.126" W (2.80mm x 3.20mm),160mA,150mA,White, Cool,0.030" (0.75mm),3.1V,120°,67 lm (65 lm ~ 69 lm),144 lm/W,6500K,80
SPMWH3228FD5WAP0S4 Classification
LED Lighting - White
FAQ about LED Lighting - White
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1. What is the principle of LED lights?
The principle of LED lights is based on the PN junction characteristics of semiconductor materials. LED (Light Emitting Diode) is a semiconductor device that directly converts electrical energy into light energy. Its core structure is a PN junction composed of P-type semiconductors and N-type semiconductors. When an external forward voltage is applied to the PN junction of the LED, the electrons in the N region will cross the depletion layer into the P region, and the holes in the P region will also cross the depletion layer into the N region. This process is called carrier injection. The electrons and holes injected into the other region recombine near the PN junction, release energy, and emit it in the form of photons to form visible light or near-infrared light.
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2. Is the LED positive or negative?
LED lights are divided into positive and negative poles. The positive and negative poles of LED lamps can be distinguished by the following methods:
Long pin: For plug-in LED lamps, the longer end of the pin is the positive pole, and the shorter end is the negative pole. In addition, when observing the inside of the LED lamp bead, the end with the smaller electrode is usually the positive pole, and the larger end is the negative pole.
SMD LED lamp beads: The positive and negative poles can be distinguished by the following methods:
Printed identifier: Check the printed identifier on the back of the SMD light-emitting diode board. Usually, one side of the "T" shape or inverted triangle symbol is the positive pole, and the other side is the negative pole.
Colored lines: Observe the printed lines of the SMD light-emitting diode board. The side with colored lines is usually the negative pole, and the other side is the positive pole.
Missing corner: Pay attention to the front panel of the SMD light-emitting diode. The missing corner is usually the positive pole and the other end is the negative pole.
Multimeter test: Use a multimeter to test. When the LED lamp bead is lit, the red test pen is connected to the positive pole and the black test pen is connected to the negative pole. -
3. How do LED lights work in physics?
The working principle of LED lights is based on the process of electrons and holes in semiconductor materials to produce photons. When current passes through the chip of the LED lamp, the electrons and holes inside the chip collide and recombine violently in the light-emitting layer to produce photons, which are the light we see. The core luminescent materials of LEDs are usually wide-bandgap semiconductor materials, such as GaN (gallium nitride), which have high luminous efficiency and good thermal conductivity.
Specific working process
Recombination of electrons and holes: When current passes through the PN junction of the LED, electrons and holes are pushed to the junction under the action of the electric field. When they meet, the energy level difference causes the electrons to jump from the high energy level to the low energy level, releasing energy in the form of light.
Emission of light: This process produces photons, which is the light we see. The color of the LED depends on the composition and structure of the semiconductor material used. For example, gallium nitride LEDs emit blue light, gallium phosphide LEDs emit red light, and green and yellow LEDs are achieved by changing the composition and structure of the material.
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