Zhongyin (Ningbo) Battery Co Ltd

The super alkaline batteries come in a package of six pieces&nbsp;in a transparent blister box for enhanced visibility. It is well equipped with a high capacity and a long lifespan. These batteries are ideal for various electronic gadgets. 	 Size D, AM1 (LR20). 	 Available in assorted packaging.  

Alkaline Batteries

Promotive Ind'l Co Ltd

  A series of electrical switches whic are RoHS compliance, UL, VDE, CSA, C/UL, CQC  The are UL, VDE, CSA, C/UL and CQC enabled  They are perfect for using with other electronic equipments  The switch buttons are avaliable in different colours and transparent plastic  

Switch

Guangdong South HongMing (HK) Electronic Science & Technology Co Ltd

 	 Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.      Features:     	 Great range of varistor voltage:  18V to 1.8KV  	 Fast response to transient voltage (ns) 	 High great withstanding surge current 	 Excellent non-linearity voltage 	 Symmetric V-I characteristics 	 No following-on current 	 Long life      Range of application:     	 Used in surge protection for IC, transistor, diode semiconductor switch circuit. 	 Used in communication, telemetering, electrical control and various electronic equipment. 	 Suppress the instantaneous overvoltage caused by electromagnetic valve and relay. 	 Supprss the instantaneous overvoltage caused by power supply. 	 Suppress the instantaneous overvoltage caused by electronic circuits 	 Lightning protection for various kind of electronic appliances.      Technical conditions:&nbsp;     	 Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349. 	 Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC. 	 Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V. 	 Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum DC voltage that can be applied continuously in the specified environmental temperature range. 	 Working ambient temperature: -40C ~ +85C&nbsp; 	 Storage temperature range: -40C ~ +125C  

MGM Industries & Company

 	 Supplied fresh air respirator system is equipped with portable power sources mainly overcome the problems of big air intaking resistance, difficulties in breathing, and so on. 	 Unique electronic ventilation design system, to keep the fresh air flowing through your nose and mouth, suitable for long time use.  

Electrical Air Purifying, Reusable Portable Air Purifier with HEPA Filter 

  A range of electronic metal parts made by stamping  Also comes with a selection of plastic parts made by injections  Plastic and metal electronic parts  They are avaliable in different sizes, from mini to large  High quality parts to suit a variety of electronic equipments  They all have RoHS compliance  

Plastic and metal electronic parts

Firstsing Co Ltd

Hanging Professional Electronic Dart Target and LCD Digital Scorer   Target Diameter: Approx. 37.8 cmLength of each dart:Plastic darts length: about 2cmMetal dart body length: about 3.5cmDart Nylon Shank Length: Approx 4.5cmPVC dart wing length: about 4cmThis electronic dart target is made of high-quality plastic, which is safe, corrosion-resistant and wear-resistant, providing you with stable performance and maximum durability.This electronic dart target is an ideal choice for practice target. It can well combine training and leisure to bring you a pleasant experience. It provides countless possible game variants for many players.This electronic dart target is equipped with a liquid crystal display so that you can clearly see the score. It is also equipped with 6 darts to help you enjoy the game better.The electronic dart target is suitable for families, offices, children's rooms, game rooms, etc., as well as adults and children. In addition, it can also be used as an ideal gift for friends or family. 

Hanging Professional Electronic Dart Target and LCD Digital Scorer

    Monolithic Ceramic Capacitors     	 Monolithic ceramic capacitor is a product that assemble the radial direction leads on the mutilayers ceramic capacitor (MLCC) 	 which has a feature of large capacitance (10pF ~ 10uF) small size, high reliability, stable capacitance, high temperature with standing and good insulation compared with normal disc ceramic capaciors that being used widely.      Feature     	 Excellent temperature and frequency characteristic, with a stable and smaller drop of capacitance wldile fveguenag vlsing. 	 Can replace mica capacitors, paper capacitors and some tantalum capacitors.      Application     	 Applied widely on small and micro electronic devices (such as liquid crystal watches and micro-equipment) 	 Used on electronic precision instruments 	 Mainly used in the circuit of bypass, filter, coupling, etc.&nbsp;  

Mono Capacitor

Sun Yin Crystal Industry Co Ltd

This glass tube is made of sapphire crystal that has a hardness that ranks nine out of ten in the Mohs scale, making it the hardest material second to diamond. It is also designed to be anti-impact, anti-scratch. The sapphire crystal glass tube is great for repairs and replacements for machinery components, optical equipment and electronic parts. A premium-quality sapphire glass tubeAn anti-impact and anti-scratch design.With high electrical resistance.Features a high optical production rate.With good thermal stability.Features a high melting temperature of 2030 °C.With a high hardness of 9 Mohs, which is second to diamond.Purity: 99.99%.Density: 3.98-4.1g/cm2.Compressive strength: 21000kg/cm2.Flexural strength: 4000kg/cm2.Infrared transmittance: 85%.Dielectric constant: 7.5 - 10.5.Place of origin: China.Color: transparent or custom-made.Available in customized designs.Welcome inquiry for any drawing and details.

Sapphire Tube

Bestworld Corp Ltd

Feature:1.The repellent can be effective used in the room of 100-150 square meters.2.The repellent can repel pests such as: mosquitoes, flies, ants, reptiles, cockroaches and rats, etc.3.The ultrasonic wave emitted by the device will not harm any human or family pets, and does not interfere with household appliances either.4.The device is safe and environmental protection, odorless, low power consumption, and equipped with advanced electronic technology.

Portable Ultrasonic Electric Mosquito Repellent

Joinmax Digital Technology Ltd

ZMROBO RoboRun set is equipped with eight programmable electronic modules (five signal receptions and three status outputs), and the work of the programmable control module is gradually learned through two stages, 26 lessons(40-50 minutes/course) in total.The course also includes the introduction of patrolling, extension design,software and hardware interaction and other content,rich knowledge points,wide coverage of the content, and is an excellent teaching tool for robot programming education introduction learning.  

ZMROBO Joinmax DIY Programmable Robot Kits Coding for Adults Beginners

AIpha B Set is an additional set of Alpha A Set, equipped with more sensors and command cards, which enriches the gameplay and programming functions of the set. The set also adopts physical programming method, making.children to realize programming ideas without using computers and other electronic equipment. At this stage, the addition of ultrasonic sensor,MIC sensor,Tilt sensor, and Potentiometer sensor can realize the interaction between the environment and machines, and between humans and machines. There are more than 350pieces of building blocks in the set, which allows students to build multiple robot cases with different shapes andf unctions. Note: "Alpha B Set" cannot be used alone, it needs to be used together with "Alpha SetA ". more: https://www.zmrobo.net/products/83 

ZMROBO DIY STEM Education robot Card Coding Programming in School for Children Learning Building Assemble Plastic Blocks and Sensors

Introduction: BKC-TL16RE high-speed refrigerated centrifuge uses the microcomputer control, frequency conversion brushless motor, is the separation of mixed liquid at high speed, special equipment.  Application: It is widely used in scientific research, genetic engineering, genetics, life science, biology, chemistry, medical units, such as easy operation, fast refrigeration, less suitable for separation, centrifugal demand is high, low temperature experiment.  Features: * The machine adopts all steel body, stainless steel centrifugal chamber, compact structure, low noise. * Embedded microprocessor control, precise control of speed, time, temperature and relative centrifugal force.. * Real-time display of all operating parameters, simple operation. * Equipped with door cover protection, overspeed and advanced electronic unbalance detection system, real-time monitoring of centrifuge process to   ensure the safe operation of the instrument. * High quality rebber door seal, good sealing performance. * Equipped with a variety of rotors, to meet different experimental requirements, a multi-purpose machine. * Refrigerated centrifuge adopts well-known brand compressor and R290 refrigerant.  

Table Top High Speed Refrigerated Centrifuge

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restrainning.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the
	Surge current. 	 Power NTC thermistors&nbsp; possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products&nbsp; series.   Rage of Application  	 Switch mode power supply,&nbsp; Adapter. 	 Transformer,&nbsp; LED driver circuit. 	 Electronic rectifier,&nbsp; electronic heater. 	 Electric&nbsp; motor. 	 It has a protected function for RT , display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: &nbsp;ISO9001:2008&nbsp; 	 ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;) : 5&plusmn;20% Ambient temp. Range:25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃) : &ge;15 , The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s) : &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B : 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A) : visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A&nbsp; Testing Current  

NTC Thermistors 

Application: It is used to make determination of the closed cup flash point of the petroleum products.  Featres: * The heating power is adjustable and shown visually by voltmeter. * The structure is designed small and exquisite with stanless-steel table board. * 8-inch IPS high-definition capacitive screen, the test data and parameters are displayed by curve in real time. * Automatic measurement of atmospheric pressure, automatic correction of flash point value. * Equipped with Bluetooth interface. The user can query test data anytime.\* Temperature rise, cover opening, ignition, detection and printing data are   completed automatically, and the test arm rises and falls automatically. * Remote automatic upgrade to obtain the latest version, remote prediction, abnormal early warning, comprehensive evaluation and maintenance of    instrument operation status. * Electronic ignition, gas flame, automatic air cooling at the end of the test.     

Closed-Cup Flash Point Tester

BAO Bao Li (Hong Kong) Limited

This versatile 3-in-1 sports set is the ultimate way for kids to enjoy basketball, soccer, and golf all in one fun toy! Featuring an electronic scoreboard and a variety of sports accessories, it encourages physical activity, teamwork, and friendly competition.Key Features:3 Sports in 1: Includes basketball, soccer, and golf equipment, so kids can enjoy a variety of activities and sports challenges.Electronic Scoreboard: Track scores electronically for added excitement and competitive fun.Encourages Physical Activity: Promotes exercise, coordination, and teamwork through sports play.Multi-Function Set: A complete sports kit that can be enjoyed indoors or outdoors, ideal for family playtime or parties.Durable &amp; Safe: Made with high-quality materials to ensure safety and longevity during active play.

3-in-1 Sports Set with Basketball, Soccer, and Golf

Ningbo Jiali Optoelectronic Co Ltd

This showcased lamp is an excellent tool in performing a wide range of tasks that require a combination of good lighting and magnification. Built with LEDs, the lighting equipment boasts low energy consumption while offering an eye-pleasing light output for viewing enlarged items. The device is widely applied in electronic, medical, beauty care, jewelry and optical industries as well as laboratories and families.   Energy-efficient with a reliable performance.   Plain color design in white.   Built with high quality LEDs.   Supportive and durable construction.   Excellent task lighting for a variety of applications.   Lens material: glass.   Lens size: 4&quot;.   Diopter: 3 + 12 diopter.   Light source: 60 pieces of LED.   Boast low energy consumption while offering an eye-pleasing light output for viewing enlarge items.   Widely applied in electronic, medical, beauty care, jewelry and optical industries, laboratories and families.   An excellent tool in performing a wide range of tasks that require a combination of good lighting and magnification.  

Magnifier Lamp

a- Series Programming Robot Kit is equipped with a building blocks and electronic components, as well as sets of coding cards. Through scanning a series of coding cards, kids can program without computers, which is easy to learn and popularize, and makes programming become more friendly and more interactive. Building blocks are made in precise dimensions and comfortable to touch, allowing kids to assemble and disassemble robots easily.Electronic components are ready to use once connected,including High-Precision Motor, Dot Matrix Screen,Buzzers, Color Light, Button and so on, which enable the robot to realize functions such as motion, sound and light.The kit builds the robot's skeleton and muscles through blocks, composes the robot's nervous system through electronic components, and assigns logic to the robot's behavior through coding cards . lt provides students with entry-level robot design and programming, also fosters their hands-on skills, and helps them reach their creative potential. More: http://www.stemtown.com/products/post.asp?pid=80 

ZMROBO Alpha Set A STEM education robot Card Coding For Children

Zero New Materials (Hong Kong) Co., Limited

TPM series is industrial foam with medium hardness, with moderate rebound force, which can provide stable and lasting rebound force in industrial control equipment, electronic appliances, vehicle-mounted systems and other applications, thus helping the equipment to play the functions of sealing, dust prevention, shock absorption, elastic support and so on. Product Description TPM series is industrial foam with medium hardness, with moderate rebound force, which can provide stable and lasting rebound force in industrial control equipment, electronic appliances, vehicle-mounted systems and other applications, thus helping the equipment to play the functions of sealing, dust prevention, shock absorption, elastic support and so on. The product has a wide range of temperatureresistance and lasting thickness and stress, which is an ideal choice for industrial application of foam. Features and advantages •Reduce shock and isolate vibration •Long-term spring force •Excellent sealing performance •Wide temperature tolerance range Applications •Environmentalseals •Device pressing pad •Shock absorption pad   

industrial foam

This showcased lamp is an excellent tool in performing a wide range of tasks that require a combination of good lighting and magnification. Built with LEDs, the lighting equipment boasts low energy consumption while offering an eye-pleasing light output for viewing enlarged items. The device is widely applied in electronic, medical, beauty care, jewelry and optical industries as well as laboratories and families. 	 Energy-efficient with a reliable performance. 	 Plain color design in white. 	 Built with high quality LEDs. 	 Supportive and durable construction. 	 Excellent task lighting for a variety of applications. 	 Lens material: glass. 	 Lens size: 4&quot;. 	 Diopter: 3 + 12 diopter. 	 Voltage:100V/110V - 120V/ 220V - 240V. 	 Power: around 6.5W. 	 Light source: 40 pieces of SMD LED. 	 Boast low energy consumption. 	 Widely applied in electronic, medical, beauty care, jewelry and optical industries. 	 Excellent tool for performing tasks in need of good lighting and magnification. 	 Color available: white.  Packaging: 	 8 pieces per carton. 	 G.W./N.W.: 17kg/15kg.  

Optosupply Ltd

LED Display 0.28 inch Single Digit Through-hole Display  Through-hole Display / Single Digit / 0.3 inch   LED Displays are Optosupply’s innovative solution to fixed message annunciation. They are used as annunciator that serves three customer functions: status indication, backlighting fixed messages and analog level indications (arrays).    The LED Displays provide exceptional brightness at very low drive current for those applications where portability and battery backup are vital. These rectangular light sources are configured in single-inline and dual-in-line packages that contain either single or segmented light emitting areas. They are also X-Y stackable. Color choices include green, red, yellow, white, blue, orange and bi-color.    Optosupply’s LED Light Bars are used in a wide variety of end products including test and measurement equipment, point-of-sale terminals, telecom systems, office equipment, consumer electronics, and medical equipment. 

 0.28inch Single Digit Through-hole Display, LED Display

Flying Dragon Development Ltd

This LED headlamp is equipped with a white LED for bright illumination and has an electronic switch for control. It comes in a detachable design and can be dismounted from the headband to and clipped on other places as a light source. Powered by a rechargeable battery, this LED headlamp can provide up to 11 hours of light
<ul>
	<li>Cree XPE white LED - up to 140 lumens.</li>
	<li>Produce 75m beam throw.</li>
	<li>Red LED on the back as a night indicator.</li>
	<li>Powered by a rechargeable battery.</li>
	<li>Can provide up to 11 hours of light.</li>
	<li>Electronic switch: one-click activation for 2 brightness levels and flashing modes.</li>
	<li>Adjustable beam direction.</li>
	<li>Can be dismounted from the headband and clipped on other places as a light source.</li>
	<li>Adjustable headband for comfortable wearing.</li>
	<li>IPX4 water resistant.</li>
</ul>


 HL-1507 LED Headlamp

Gen-Worldly Quartz Crystal Co Ltd

ISO9001:200O certified
RoHs Complaint&nbsp; SGS Certified
Competitive Pricing
Applications : telecommunication, computer, peripheral, house electronic equipment,
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; car electronic, industry automatic, measuring instrument etc.
Product Specifications :
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Norminal frequency&nbsp; ~&nbsp; 76.8KHz.   Mode of oscillation&nbsp; ~&nbsp; Fundamental.   Frequency tolerance&nbsp; ~&nbsp; &plusmn;20ppm.   Temperature coefficient&nbsp; ~&nbsp; &plusmn;20ppm.   Operating temperature range&nbsp; ~&nbsp; -10℃～＋60℃.   Equivalent resistance&nbsp; ~&nbsp; 40 Ohm max.   Loadcapacitance&nbsp; ~&nbsp; 12.5pF.   Drive level&nbsp; ~&nbsp; 10&mu;W Max.   Shunt capacitance&nbsp; ~&nbsp; 7.0 pF Max.   Holder Type&nbsp; ~&nbsp; 2x6.   Marking&nbsp; ~&nbsp; GW76800.   Insulation resistance&nbsp; ~&nbsp; 500M&Omega;min.at 100V DC.   Test impedance meter&nbsp; ~&nbsp; saunder250-B.   Aging&nbsp; ~&nbsp; &plusmn;5ppm/year.   Shock test&nbsp; ~&nbsp; dropping from 20cm height 10 times on firm wood.   Variation&nbsp; ~&nbsp; frequency less than &plusmn;5ppm,resistance less than &plusmn;15%.  

Dip tuning fork quartz crystal unit

 	 Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.      Recognized Certificate     	 VDE, UL, CQC      Features:     	 Great range of varistor voltage:  18V to 1.8KV  	 Fast response to transient voltage (ns) 	 High great withstanding surge current 	 Excellent non-linearity voltage 	 Symmetric V-I characteristics 	 No following-on current 	 Long life      Range of application:     	 Used in surge protection for IC, transistor, diode semiconductor switch circuit. 	 Used in communication, telemetering, electrical control and various electronic equipment. 	 Suppress the instantaneous overvoltage caused by electromagnetic valve and relay. 	 Suppress the instantaneous overvoltage caused by power supply. 	 Suppress the instantaneous overvoltage caused by electronic circuits 	 Lightning protection for various kind of electronic appliances.      Technical conditions:&nbsp;     	 Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349. 	 Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC. 	 Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V. 	 Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum Dc voltage that can be applied continuously in the specified environmental temperature range. 	 Working ambient temperature: -40C ~ +85C&nbsp; 	 Storage temperature range: -40C ~ +125C  

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