Reviews Long Life For Semiconductor

Ultra Mini Smart Reader Writer Waterproof ID Card Reader for Home Office Door Entry Access Control Security System

  • SAFETY PROTECTION: The output uses a glass discharge tube and a semiconductor discharge circuit.
  • The power supply adopts a protection circuit to prevent human error such as operation errors. With reverse power protection and data withstand voltage protection..
  • APPLICATION: The smart reader writer manufacturing execution is in conformity with UL294 international standard. Ideal for offices, office buildings, factory staff quarters, public access of buildings, home door control..
  • STABLE PERFORMANCE: This ID card proximity reader with strong resistance to metal shielding and interference. With monochrome LED indicator and buzzer prompt tone. Easy to use and make you feel safe and convenient..
  • DURABLE AND LONG LASTING: The door lock has a waterproof and rustproof function. Stylish and novel appearance design, glue sealing, fully waterproof, long service life..
  • QUALITY ASSURANCE: If you have any questions about purchasing our products, or if you have any questions or problems with your use, you can always ask them. We will answer all your questions..
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Trakxy Magnetic Phone Cooler for Gaming, Compatible with iPhone 12,13 & 14 Series MagSafe, Portable Cell Phone Radiator, Advanced Semiconductor Technology Cooling Fan for Smartphone/Tablet/iPad

  • 【Magnetic Connection】 Seamless connection is accomplished through the iPhone 12，13 & 14's Magsafe function, and other smartphones that support wireless charging can also be connected， and secured with a clip.(But does not support charging).
  • 【Semiconductor fast cooling】This phone cooler can reach a low temperature of 8° in 4 seconds through semiconductor cooling technology..
  • 【Temperature Display】Trakxy cell phone cooling fan with a temperature display function, real-time monitoring of your iPhone/Andriod/Tablet/iPad's temperature..
  • 【Colorful LED & Ultra Quite】iPhone cooler with colorful LED lights, fan-assisted cooling, and < 30 DB running sound, allows you to enjoy the game..
  • 【Portable & Best Service】Our product is portable and can be used anywhere at any time.Longer use can extend the life of your Phone battery.We offer 6 months free replacement time,feel free to contact us..
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Juried Engineering Fast Switching/Fast Recovery/Small Signal/Schottky/Rectifier Diode Assortment Master Kit Breadboard-Friendly (310 Pieces 19 Values) Diode Assortment Kit

  • Complete Kit consists of 310 pieces (19 Part Numbers) with different Current and Voltage ratings. This Kits is Built with Professional, Industrial, Long-Life Diodes from Manufacturers such as: ON Semiconductor, Fairchild, STMicroelectronics, Vishay and more of the Very Highest Quality Diodes available today..
  • Lead-Free / RoHS Compliant Electronic Components / Axial Silicon Diodes Set for Arduino, Raspberry Pi and all other DIY Projects.
  • General Purpose Rectifier: 1N4001, 1N4004, 1N4007, IN5399, IN5408 Fast Recover Rectifier: UF2003, UF4003, FR107, FR207.
  • Small Signal Zener: 1N5229, IN5233, IN5247, IN5248 Small Signal Switching: IN4447, 1N914, 1N916.
  • Fast Switching: 1N4148 Schottky Barrier: 1N5819, IN5822.
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Portable Gas Leak Detector - Handheld Natural Gas Sniffer, Battery Powered, Detects Combustible Gases, LPG, LNG, Methane and Butane Gases, Carbon Monoxide

  • 1. It uses high sensitivity gas sensitive semiconductor and high performance microprocessor. Combustible gases, such as methane and natural gas, can be detected. Low power consumption. Long life. Sound and light alarm..
  • 2. Prevent problems before they occur and detect leaks quickly. Portable, high quality, fashion, constant temperature detection technology using sensitive sensor..
  • 3. This Methane Detector is suitable for kitchen gas, canned gas, natural gas, gas pipe network, flange gas station.
  • 4. Support LED backlight display, even in the night or poor lighting environment can also read the test value, response sensitivity of less than 50ppm, response time of about 2 seconds..
  • 5. Battery: Need 2 AAA batteries to work, the battery needs to be purchased by the user to install..
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Northfan Portable Neck Fan- Personal Air Conditioner Fan 3 Speeds Fan and Semiconductor Cooling Chip USB Rechargeable Low Noise 360° Cooling Rechargeable for Indoor & Outdoor BLACK

  • 【Semiconductor Cooling Chip】 Compared to a conventional personal neck fan, Our personal neck fan has an integrated semiconductor cooling chip in....
  • 【3 Modes Adjustable】:The first mode is normal breeze, the second is low cooling mode and the third is high cooling mode. Sending cooling breeze of....
  • 【Long Working Hours】:The neck cooling fan is equipped with Super Quite Engine and AI refrigerating Chip with adjustable fans, simple to operate....
  • 【Rotation Design】:This air conditioner cooling neck fan allows you to flexibly adjust the direction of 45 degrees to allow you to find the most....
  • 【Widely Applied】:Our neck fan is applied to various activities, like golfing, hiking, fishing, subway, biking excursion, commuting, and school.....
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THOUSTA Neck Fan Portable Air Conditioner Bladeless Neck Fan with 3 Cooling Plates Two Speed Adjusted Portable Fan USB Fan with 10000mAh Power Bank (NO BATTERY IN THE FAN) Black

  • 【Neck Fan Instantly Cools 59°F】The radiator is the secret of this neck air conditioner. the neck fan air Conditioner has a built-in semiconductor cooler that refreshes your entire body by cooling the back of your neck in seconds. Heat energy exchange through a semiconductor heat sink that transfers cold to the skin within 3 seconds, instantly lowering body temperature by 59°F!.
  • 【3 Cooling Plates】Fast cooling neck fan technology uses 3 cooling plates, (most neck air conditioners on the market are designed for cool cooling plates, not cool enough and louder, only air conditioning cooling, no ducts will not blow wind) Surround your entire neck, cooling every inch of your skin (left/right, nape, simultaneous cooling) personal fan is the ultimate neck cooler!.
  • 【2.5 Hours Charging|3 Hours Battery Life】Bladeless neck fan 3500mAH charging for 2.5 hours can experience up to 1.5~3 hours cooling mode (portable neck fan usage time may vary according to ambient temperature) LED screen shows battery life and setting mode..
  • ♨【Cooling And Heating Dual Mode】Cooling neck fan precise temperature control, providing reliable....
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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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Mini Portable USB Air Conditioner Fan, Hanging Neck Air Cooler Smart Sport USB Fan, Hanging Neck Cooler Physical Cooling, Travel Wearable Necklace Fan (Black)

  • ❄ 【Instant cooling & cooler to wear】 Heat exchange, high technology leads a new trend. Cold aluminum absorbs heat, aluminum blocks dissipate heat, and physical cooling cools, so you can enjoy the coolness of a hot day. Employing semiconductor refrigeration technology, using the second law of thermodynamics, the current generated by the semiconductor cooling chip forms a temperature difference, exchanges thermal energy, and for 2 seconds to achieve instantaneous cooling Tell the skin the coldness.
  • ❄ 【Powerful battery and flexible charging & quiet operation】 Long-lasting battery life, up to the wind. It has two built-in 1800 mAh lithium polymer batteries that charge for 1.8 hours and can last for 4 to 8 hours whether you are working or shopping. You can hardly hear anything especially calm winds, fans are very quiet when working. You won't get in your way while you're at work, reading, or sleeping..
  • ❄ 【Wide use of USB personal fan & running bicycle and bike】 Lightweight and small personal cooling fan is easy to carry and store, suspended design, truly ....
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Portable Refrigerator, 7.5L 12V 30W Portable Mini Unique Car Refrigerator Home Heating Cooling Refrigerator

  • Switch from heating to cooling: The system allows for easy switching from beverage cooler to food warmer,bring your lunch to work in the morning and keep it hot all day.
  • High-quality materials:This mini fridge integrates by employing semiconductor, without compressor or cryogen, long servies life and lowest power consumption and with the energy saving design, even after unplugged, the tenperrature of foods can be kept for hours.
  • Heatingcooling system: The heatingcooler and food warmer works by transferring heat from one side of the device to the other along with electric energy. It’s recommended to wait 30 minutes before going from cold to hot.
  • Unique design:Come with a strap, can be carried on the shoulder. 4 anti-slip foot pads on the bottom. Cooling warming dual-use refrigerator,flip top cover, convenient to put in or take out stuffs.
  • Portable mini size :This car fridge unit measures : work on 12V DC power source, plugs into any 12V auto plug adapter , lightweight, very suitable for outdoor activities.
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