Evergreen (H.K.) PCB Limited

Soldered with electronic components such as transistors, resistors and circuits, this PCB depicts punched holes at corners for effortless mounting in machines. Its standard dual-layer construction further boasts immersion gold finish that guarantees a long service life.

Features:
&bull; Material: FR-4.
&bull; Standard rectangular panel.
&bull; Dual-layer construction.
&bull; Guarantee a long service life.
&bull; Soldered with electronic components.
&bull; Depict punched holes at corners.
&bull; Ensure effortless mounting.
&bull; Suitable for a wide range of computing devices, machines and electronics.
&bull; Layer: 2.
&bull; Thickness: 0.4mm.
&bull; Finishing: immersion gold.
&bull; Solder mask color: matte black.

Applications:
&bull; Pulse PCB.
&bull; Coil bonding.

Rigid PCB

This PCB is a must-have in your electronic devices that connects capacitors, resistors and other active components for effective use. Its robust multi-layer housing depicts several circular accents with etched current pathways and soldered parts of durable create.&nbsp;

Features:
&bull; Material: FR-4.
&bull; Slim housing.
&bull; Robust multi-layer construction.
&bull; Showcase several circular accents with etched current pathways and soldered parts.
&bull; Promise durable use.
&bull; A must-have component in machineries, electronic devices and more.
&bull; Layer: 4-layer.
&bull; Thickness: 0.4mm.
&bull; Finishing: flash gold plating.
&bull; Solder mask color: green.

Applications:
&bull; HDI PCB COB PCB.
&bull; Wire bonding PCB.
&bull; Smart watch PCB.
&bull; Wearable watch PCB.

This PCB takes on a quadrilateral panel design, comprising 8 circular accents with soldered circuits, resistors, transistors to boast functionality. Its thin housing further highlights punched holes at corners that ease installation in computers, motors and more.

Features:
&bull; Material: FR-4.
&bull; Quadrilateral panel design.
&bull; Thin, double-layer housing.
&bull; Comprise 8 circular accents with soldered electronic parts.
&bull; Highlight punched holes at corners for installation.
&bull; Perfect for functional use in computers, motors and other machines.
&bull; Layer: 2.
&bull; Thickness: 0.6mm.
&bull; Finishing: OSP Entak.
&bull; Solder mask color: green.

Applications:
&bull; Motor PCB.
&bull; Push back tooling.
&bull; Step motor PCB.
&bull; Halogen-free PCB.

Fenghua (Hong Kong) Electronics Ltd.

Chip resistors are available in different resistance values, tolerance levels, and power ratings to accommodate various circuit requirements. The resistance values can range from a few ohms to several megaohms, providing flexibility for different applications. The tolerance level indicates the acceptable deviation from the specified resistance value, ensuring accurate and consistent performance. Common sizes of chip resistors include: 0402: This size measures 0.04 inches by 0.02 inches (1.0mm by 0.5mm) and is commonly used in compact electronic devices and densely populated circuit boards. 0603: These resistors have dimensions of 0.06 inches by 0.03 inches (1.6mm by 0.8mm) and are widely used in consumer electronics, telecommunications, and automotive applications. 0805: With measurements of 0.08 inches by 0.05 inches (2.0mm by 1.25mm), 0805 resistors are popular for their versatility and ease of handling. They are commonly found in a wide range of electronic circuits. 1206: These resistors measure 0.12 inches by 0.06 inches (3.2mm by 1.6mm) and are often used in various electronic applications that require higher power handling capabilities. 1210: With dimensions of 0.12 inches by 0.10 inches (3.2mm by 2.5mm), 1210 resistors offer larger power ratings and are suitable for applications that require higher power dissipation. These sizes represent some of the most commonly used chip resistor dimensions. However, there are many other sizes available to meet specific circuit requirements. It is essential to select the appropriate chip resistor size based on factors such as power requirements, board space, and thermal considerations. 

Chip Resistor (AEC-Q200)

Amazing Toys Ltd

The featured circuit set includes different accessories to conduct more than 25 experiments. The accessories include floating ball, led light and many more. It helps children to learn about electronics and have fun at the same time. Electronic circuit toy.Include different accessories for connection.With more than 25 experiments.Educational and fun.Develop the creativity of children.Learn to connect interesting FLOATING BALL, LED LIGHT, RESISTORS and many moreHighly sensitive LIGHT CONTROLLED LIGHT Adjustment for Brightness ControlRequires 2 x "AA" batteries, not included Demonstration Video: https://youtu.be/BYJUwY2vnJQ 

25+ Circuit Fun

Featured here is an electronic circuit toy in piano shape. It is black and white piano keys and children can play it like an electric piano. The circuit board can be connected to provide more than 38 experiments. Electronic circuit toy.Piano style circuit board.With black and white piano keys.Include different accessories for connection.With more than 38 experiments.Educational and fun.Learn to connect interesting ELECTRIC PIANO, SPEAKER, LED LIGHT, RESISTORS and many moreLED LIGHT Adjustment for Brightness ControlFeatures finger TOUCH CONTROL to light up LED LightSimple MAGNETIC CONTROL to switch electric pianoRequires 2 x "AA" batteries, not included Demonstration Video: https://youtu.be/-054sc6ZDbI 

38+ Piano Lab

Antron Electronics Co., Ltd.

Antron front-end emergency LED driver enables you a pleasant experience when it comes to installation. It is compatible with any 0-10V dimmable AC LED driver ranges from 10W to 240W. Moreover, it providesadjustable constant poweroutput from10W to 20W. Universal input voltage 120-277Vac .At least 90 minutes in emergency modeVariable resistor design for LED load power adjustmentOptional remote test switch designOpen/Short/Over-Voltage/Over Temp. protectionSuitable for UL dry and damp locationUL listed and CEC title 20 approval5 years warranty 

Front-End Emergency LED Driver

RoMaks Limited

RoMaks Limited is a trusted supplier of high-quality electronic components, strategically based in Hong Kong with a focus on fast delivery and global accessibility. We specialize in sourcing and distributing a wide range of components directly from leading manufacturers and verified distributors. Our extensive in-stock inventory and streamlined logistics network allow us to meet urgent production needs across the electronics industry. We support OEMs, EMS providers, engineers, and procurement professionals with reliable supply chains and responsive customer service. Our product portfolio covers a broad spectrum of applications in industrial automation, automotive electronics, IoT, consumer devices, power systems, and more. 🧩 Our product range includes:Passive Components: Resistors, capacitors, inductors, varistors, ferrites, and filters. Active Components: Diodes, transistors, rectifiers, thyristors, voltage regulators. Semiconductors &amp; ICs: Microcontrollers, logic ICs, analog/digital ICs, sensors, memory chips. PCB Hardware: Spacer standoffs, LED supports, screws, fasteners, connectors, cable assemblies. Optoelectronics: LEDs, displays, photodiodes, infrared components. All of our products comply with international standards such as RoHS, REACH, and ISO 9001. Quality assurance is embedded into every stage of sourcing and handling to ensure reliability, performance, and safety. 🚚 Key advantages of working with RoMaks Limited:In-stock availability for popular components with real-time updates. Fast worldwide shipping from Hong Kong to Asia, Europe, and North America. Custom sourcing solutions for hard-to-find, obsolete, or specialty parts. Flexible MOQ (Minimum Order Quantity) to support prototyping and production. Whether you are building next-generation devices or maintaining legacy systems, RoMaks Limited ensures your supply chain remains uninterrupted, affordable, and efficient. We are more than a supplier — we are a sourcing partner. For more details, visit our website or contact our team to request a product list, datasheet, or quotation. 

Electronic components

Antron dimmable and non dimmable constant current LED driver varies from 5W to 240W, we have several standard models for you to choose, the list is endless. We provide quick turnaround customized service based on different requirement for your lighting applications. Most of our constant current LED drivers are high power factor, flicker free, and have isolated design, 3-in-1 dimming function that is compatible with dimmable LED lights. Universal input voltage 120-277, 347VacPFC, Flicker Free, Isolated design3-in-1 Dimming (PWM, 0-10V, Resistance)Dimming down to 10%Open/Short/Over-Voltage/Over Temp. protection2kV to 4kV surge protectionSuitable for UL dry and damp location5 years warranty 

Constant Current LED Driver

Znatok Group Limited

Uncover the world of electronics and optics with our electronic kit, suitable for ages 8 and up. With over 15 engaging experiments, it offers hands-on experiences like mixing light, color and light combinations, parallel and series LED circuits, and interactions with variable resistors and electric motors. Crafted from durable ABS material with copper buckles, it’s built for safety and longevity.  The packaging is compact, with a 38×24.5×3.5cm color box, and each standard carton includes 10 sets, measuring 57×25.5×39.5cm. The total weight is 11.02 kgs (G.W.) and 10.26 kgs (N.W.). This kit is a perfect blend of education and fun, igniting curiosity and nurturing young scientific minds. Unleash your child’s inner scientist and let their creativity flourish with this comprehensive electronic kit.  Features Characteristic: Mixing light/ Mixing color and light/ Parallel inclusion of LEDs/LED circuits in series/ The LED and variable resistor/ The LED and electric motorMaterial: ABS+Copper bucklesExperiment: Over 15 different experimentsAges: 8+Packing Color Alu box, 38×24.5×3.5cmStandard carton, 57×25.5×39.5cmG.W.: 11.02 kgsN.W: 10.26 kgs   Q: How to get a sample? A: Sample order is acceptable. Pls contact with us and make sure what sample do you need.  Q: What about the leading time? A: In general, the leading time is about 25-35 days. But please confirm the exact time with us as different products and different quantity will have different leading time.  Q:What is your payment term ? 30% deposit, balance before delivery.  Q: Can I have our own logo on the products? A: Available. It is ok to have your logo on the products.     Our Certifications:      

Znatok Electronic Kit RGB l Offers Hands-on Experiences Like Mixing Light, Color and Light Combinations

The zinc oxide varistor ranges from 18V to 1.8kV for various applications. It is well engineered low current leakage, excellent temperature coefficient and good solderability. The zinc oxide varistor is an important electronic component for electrical and electronic equipment.
 
  Excellent non-linear voltage. 
  Great withstanding surge current. 
 

Zinc Oxide Varistor

Dongguan Hampo Electronic Technology Co., Ltd

Product Description003-0606, is a type of 1080P Full HD USB 2.0 camera module featuring Wide Dynamic Range (WDR) and night vision IR-Cut, widely used for security camera, access control system, face recognition system etc.The WDR scheme used is multi−exposure WDR. This allows the sensor to handle up to 96 dB of dynamic range.Key FeaturesDay &amp; Night Vision Auto SwitchThe motorized (switchable) IR-CUT filter and infrared LED can be triggered by the photo resistor according to the light environment to be ON/OFF to block or pass the infrared light.This day&amp;night vision and WDR camera is based on 1/2.7" AR0230 CMOS image sensor with advance 3.0µm pixel BSI technology from ON Semiconductor. It has S-mount (M12) lens holder which allows customers to choose and use the lens according to their requirement. SpecificationSensor: AR0230Sensor Size: 1/2.7"Resolution: 1920*1080Output: MJPC/YUVFocus: Fixed FocusFrame Rate: 30fpsWide dynamic range: 96DBSystems capability: Supported Windows XP(SP2, SP3)/Vista7/8/10, Linux, or OS with UVC driver Company Profile Dongguan Hampo Electronic Technology Co., Ltd, located in Tangxia Town, Dongguan City and founded in 2014, is a manufacturer specialized in design, R&amp;D and manufacture of audio and video electronic products. Hampo owned two buildings as production bases covering total 13,000 square meters. For the time being, Hampo has around 300 employees, and provides a full range of production services such as SMT, module assembly, packaging and so on. As member of Hampo Family, we will adhering to the concept of “Market- Lead and Customer First”; keep providing our best services to customers. Also we will always be open to new technology and strive to have a bright future for audio and video industry.   

1080P USB Camera Module with IR-Cut & HDR

Kingtronics International Company

 	 Operating Temperature Range: -40C~+105C 	 Body Diameters Range From 5D to 20D 	 Wide Operating Voltage from 18V to 1800V 	 Full compliance with RoHS and REACH  

14D Metal Oxide Varistor

Dongguan Yat Fai Electronics Ltd

This electronic resistor is made of quality materials for a long service life. It is professionally engineered for stability and reliability. This resistor is widely used in electronic products.
 
  Power: 0.125-5W. 
  Resistance: 1-22m&Omega;. 
  High stability. 
 

Electronic Resistor

Chaozhou Three-Circle (Group) Co Ltd

Exhibited here is an electronic resistor that boasts a durable housing for a long service life. Professionally engineered, this resistor offers high reliability and stability. This quality resistant is widely used in electronic equipment.
   Boast durable housing for a long service life.   Professionally engineered.   Offer high reliability and stability.   Provide a wide resistance range.   Widely used in electronic equipment.   A high quality electronic resistor.  

This electronic resistor comes with a professional design for reliable performance. It is finely made for durability and stability. This resistor is widely used in electronic products.
 
  Power: 5-500W. 
  Resistance: 0.01-82k&Omega;. 
  Small size. 
  High speed. 
 

This electronic resistor is professionally engineered for high stability and reliability. It is finely made for a long service life. This quality resistor is widely used in electronic products.
 
  Power: 0.25-12W. 
  Resistance: 0.01-68k&Omega;. 
  High power. 
  Low temperature. 
  High stability and reliability. 
 

This is a unique resistor with a robust housing. It is professionally engineered for reliability and durability. This electronic resistor is easy to install and requires little maintenance.
 
  Power: 0.125-0.5W. 
  Resistance: 0&Omega;. 
  Long term stability. 
 

This electronic resistor comes with a robust housing for a long service life. It is professionally engineered for high stability and reliability. This quality resistor can be widely applied in different electronics.
 
  Power: 0.25-3W. 
  Resistance: 1-1k&Omega;. 
  High stability and reliability. 
 

This electronic resistor comes with a robust housing for a long service life. It is manufactured under strict QC to promise quality you can rely on. This resistor is a great choice for electronics.
 
  Power: 0.125-5W. 
  Resistance: 1-22m&Omega;. 
  High stability. 
  Low noise/temperature coefficient. 
 

This electronic resistor is professionally engineered for high stability and reliability. It is made of quality materials for durability. This resistor is light in weight and compact in size.
 
  Power: 0.5-5W. 
  Resistance: 0.01-1k&Omega;. 
  Smaller in size. 
  High stability and reliability. 
 

This electronic resistor is an ideal component for assorted electronic products. It is professionally engineered to deliver reliable performance. The high-quality materials give it a durable housing.
 
  Power: 0.125-5W. 
  Resistance: 10-820k&Omega;. 
  Wide resistance range. 
 

This electronic resistor is professionally engineered for reliable performance. It is easy to install and requires little maintenance. The robust housing can withstand daily wear and tear.
 
  Power: 1-20W. 
  Small and sturdy. 
  Mechanical safe. 
 

Double Circle Electronics Group Co Ltd of Bengbu

Displayed here is a high-voltage resistor with excellent tolerance. The precision high voltage power ensures this resistor good for different types of electronic instruments. This high power resistor is perfect for X-ray systems, frequency converters and electronic microscopes.   No inductance.   Wider resistance value.  

My Sourcing

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