Top National Semiconductor Reviews

JOYO JP-02 Guitar Pedal Power Supply Pedal Board Guitar Power Supply with DC 18V Pedal Power Adapter & 9V 100mA 500mA Isolated DC Output for 9V 12V 18V Effect Pedals

7-channel 9V100mA output, 1 channel 9V500mA output and 12V, 18V output each, to meet the power supply requirements of any different effects..
In the JP-02 power supply part, we use the high-current output step-down switching type integrated voltage regulator circuit produced by National Semiconductor Corporation. The chip has perfect protection circuit, including current limit and thermal shutdown circuit. The peripheral components form a high-efficiency voltage regulator circuit..
Features low-noise, high-performance and peripheral-simplified switching, the power adapter fully meets the six-level energy efficiency standard, meets national certification standards, and provides extremely comprehensive safety certification and excellent performance protection functions, including overcurrent protection overload protection and overheat protection, etc..
With a whole patent layout, it is safe and secure, simple and cool, easy to carry the effect of the power supply, which let you enjoy unimpeded music..

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Portable Cooling Module 12V 10A 120W,Semiconductor Refrigeration Pieces Kit Thermoelectric Peltier Air Cooling Device with 12706 Chip for Pet Bed Cooling Small Space Cooler

Voltage Specifications: This semiconductor cooler 12V.
Premium Making Material of This Semiconductor Refrigeration: Aluminum + plastic fan..
Dual-core Semiconductor: 200 x 120 x 100mm / 7.87 x 4.72 x 3.93 inch..
Multiple Using Features: No noise, no vibration, no refrigerant required. The Air Cooling Device is suitable for small space cooling,semiconductor refrigeration learning theory, research solutions developed cooling..
Widely Applicated Fields: The Cooling Module can used for plate cooling, pet bed cooling, test bench, small space cooling..

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Ledmall Full Spectrum Motion Star Effects 7 Color with White Laser Christmas Lights Projector Outdoor

New 7 colors with WHITE LASER CHRISTMAS LIGHTS by mixing semiconductor red, green, and blue, with Years of Design and optimization, the first Semiconductor WHITE LASER Christmas and Decorative lights, with motion and star effects, and huge coverage..
White laser made through Semiconductor green, blue and red, LASER LIGHTS using LEDMALL advanced Optical Systems and precise power ratio control to form nature's 7 colors including pure white, Full Spectrum all natures 7 colors with dominant White Laser formed by pure semiconductor Red, Green and Blue laser in proper ratios through advanced optics, to form star shape pinpoints.
Please review the images and videos on detail page for effects of this lights before purchase,7 nature's colors including white, pink, teal, blue, green, red, yellow, with motion Starry, Twinkle, Fading, Chasing and static effects mode, optimized for Outdoor Holiday Décor,decorative lights, Decorative Outdoor Lighting Projectors, full spectrum colors, and with speed control, also with flash or static of your choice.
updated RF Remote control, with motion and timer, with indoor Base stage and outdoor stake extension, With Timer setting 2, 4, 6 and 8 hours durations, moving controls and speed control.

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ADF4106BCP Integrated Circuits Clock Frequency Synthesizer PLCC 20LFCSP

2 pcs. of Dallas Semiconductor DS1387 RAMified Real Time Clock.
DALLAS SEMICONDUCTOR RAMified Real Time Clock.
Length: 1.32" Width: 0.71" Height: 0.36".

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LEDMALL Motion Snow Fall Full Spectrum Star Effects 7 Color White Laser Christmas Lights, and Decorative Lights with Remote Control

Motion Snow fall effects 7 color with WHITE LASER CHRISTMAS LIGHTS by mixing semiconductor red, green, and blue, with Years of Design and optimization, the first Semiconductor WHITE LASER Christmas and Decorative lights, with motion and star effects, and huge coverage..
White color laser made through mixing Semiconductor green, blue and red with advanced optics, LASER LIGHTS using LEDMALL advanced Optical Systems and precise power ratio control to form nature's 7 colors including pure white, Full Spectrum all natures 7 colors with dominant White Laser formed by pure semiconductor Red, Green and Blue laser in proper ratios through advanced optics, to form star shape pinpoints.
7 nature's colors including white, pink, teal, blue, green, red, yellow, with rainfall motion Starry, Twinkle, Fading, Chasing and static effects mode, optimized for Outdoor Holiday Décor,decorative lights, Decorative Outdoor Lighting Projectors, full spectrum colors, and with speed control, also with flash or static of your choice.
For Color Quality, Please review the images and videos on detail page for effects of this lights before purchase,updated RF Remote control, with snowfall, rainfall motion and timer, with indoor Base stage and outdoor stake extension, With Timer se....

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KKmoon DIY Kit Thermoelectric Peltier Cooler Refrigeration Cooling System Heat Sink Conduction Module + 2 Fans + 2 TEC1-12706

Great DIY Radiator Kit for electronic enthusiasts in semiconductor cooling applications..
\Adopt 2pcs TEC1-12706 semiconductor chilling plate, good quality for use..
Complete sealed structure, isolating the moisture in the air..
Lightweight and mini in size, easy to install..

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Northbear Thermoelectric Peltier Refrigeration Cooling Cooler Fan System Heatsink Kit Cooler (2 Fan)

This module installation is assembled and you do not need to use your hands.
Power: 12VDC 6A (not include in this Kit).
Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor Technologies and electronic assembly techniques.
Tips: cold end frost require ambient temperature is low, is not what the environment can be frost, frost general ambient temperature below 25 degrees.
A medium sized humidor basically for seasoning. With a temp controller, this keeps the inside of the humidor.

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CatXQ Semiconductor Cooler for ipad/Tablet/Phone/Switch Gaming Cooling Case

CatXQ Semiconductor Cooler Fan Compatible with All Smart Phone (for iPhone / for Samsung), Tablet (for iPad / for Amazon Fire HD / for Surface / for....
Semiconductor Refrigeration Technology:The refrigeration principle of refrigerator is adopted to cool the mobile phone quickly,when playing Fortnite,....
RGB Atmosphere Lamp,High brightness lamp beads form RGB ring lamp belt, with high-speed fan rotation, a variety of light effect random change, give....
Powerful heat sink: The cooling fan prevents the phone from overheating while playing the game console, extending the life of the phone and battery..
Package Include: CatXQ Phone Cooler, 1M USB to TYPE-C Cable, 3 pairs of telescopic clamps(1 pairs black,2 pairs blue).Customer Service Team is....

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High Purity Silicon Metal Element 14 Semiconductor Monocrystalline Si Block(50g)

HIGH QUALITY: 100% brand new and high quality. 99.99% high purity monocrystalline silicon block..
GOOD FEATURE: Monocrystalline silicon has a diamond lattice, the crystal is hard and brittle, has a metallic luster, can conduct electricity, but has a conductivity lower than that of metal, and increases with temperature, and has semiconductor properties..
ENERGY CONVERSING: It can also be used to make solar cell, conversing solar to electricity..
USAGE: It is the raw material for manufacturing semiconductor silicon devices, used to manufacture high power rectifiers, high power transistors, diodes, switching devices, etc..
SATISFACTION GUARANTEE: We care for every customers feeling.If this product does not meet or exceed your expectations,please send it back for a 100% refund no questions asked..

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12V 240W Thermoelectric Cooler Peltier Semiconductor Refrigeration Cooling System Cold Plate Cooler with Fan

WIDE APPLICATION: It can be used for small space refrigeration, for example,test bench cooling，flat product cooling, pet bed cooling, etc Also suit for small space cooling, semiconductor refrigeration learning theory, research solutions developed cooling equipment planning..
STABLE: This thermoelectric peltier has 4 chips and 4 fans, can provide a stable performance, and has a long service life..
NO REFRIGERANT REQUIRED: This thermoelectric peltier do not refrigerant , very convenient to use..
SIMPLE OPERATION: This kit has been assemble well，you only need to connect the lines before use..
COMPACT DESIGN: This semiconductor refrigeration adopted a compact design(23.5 * 20 cm) , can be used on many project..

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Alcohol Breathalyzer Portable Breath Tester LCD Display Digital Alcohol Test Detector Breath Alcohol Analyser Tester Breathalyser Lie Detector Blue Color ABS Material

>>>[Function]: Breathalyzer Keychain Digital Alcohol Tester Detector is used to measure the alcohol concentration in the human body. This portable breath tester uses a sensitive semiconductor sensor that can quickly give results to judge whether you can drive..
>>>[Fashionable Keychain Design]: Breath Analyzer saves space and is light in weight. It is easy to hold and carry. The pocket size allows you to carry it anytime, anywhere to ensure safe driving after drinking..
>>>【High precision and sensitivity】: This alcohol breath tester can be used to measure the alcohol concentration in the human body. Built-in sensitive semiconductor sensor, detection range: 0.00-0.19% BAC 0.0-1.9g/l (or 0.00-0.95mg/l BRAC). It can quickly give results within 3-5 seconds to judge whether you can drive, and provide you with high-precision test results. (The error is less than 0.01% BAC).
>>>[Large Digital LCD Screen]: Digital LCD Screen Alcohol Breath Tester uses a large LCD screen, which can clearly display....

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LEDMALL Bluetooth Motion Full Spectrum 7 Color with White Star Effects Laser Christmas and Decorative Lights with Remote Control

Party and decoration like never before with the new LEDMALL 7 color White laser lights with bluetooth speakers.
High quality bluetooth speaker is integrated in this newly designed laser garden lights, you can play any music you like which the lights projects....
using patented advanced optics to achieve high crispy semiconductor white color with two step optics using semiconductor blue, red, and green laser....
RF remote control With Timer setting 2, 4, 6 and 8 hours durations, and with flashing mode capability, please reset remote and light periodically when....
Bulb uses < 5mW and has a Class 3R Classification or lower, Waterproof IP 65: IP65, PLUG and Play with long power cord with good range flexibility,....

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Dual-core Thermoelectric Peltier Cooling System Semiconductor Refrigeration Cooler Kit with Power for Plate Cooling Pet Bed Cooling etc

【Bingo Choice】: Our dual-core thermoelectric peltier cooling system is suitable for small space cooling,semiconductor refrigeration learning theory, research solutions developed cooling equipment planning.
【Wonderful Characters】: This semiconductor refrigeration cooler kit with power has stable working status and low noise, it doesn’t need refrigerant.
【Wide Range of Applications】: This thermoelectric cooler can used for plate cooling, pet bed cooling, test bench, small space cooling.
【Note】: Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, seal ability, etc.
【Extra Usage】: This dual-core cooling system kit can be used as dual-core cooling, air cooling device, cooling equipment.

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