{"product_id":"ys-u5s-ac-dc-switching-power-supply-module-with-metal-housing-single-ended-transistor-connection-pulse-width-modulation-input-voltage-110-220v-output-5v-dc-output-power-3-150w-60-90-working-efficiency","title":"YS-U5S AC\/DC switching power supply module with metal housing, single-ended transistor connection, pulse width modulation, input voltage 110-220V, output 5V DC, output power 3-150W, 60-90% working efficiency","description":"\u003ch1\u003eYS-U5S Switching Power Supply Module: 110-220V AC Input, 5V DC Output\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"YS-U5S metal switching power supply module for converting AC to 5V DC\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/916\/2025-09-30\/original-image\/1119552801547.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe YS-U5S is a switching power supply module designed to convert standard alternating current (AC) mains voltage into a stable, regulated 5-volt direct current (DC) output. This makes it a core component for powering a wide array of low-voltage electronic devices, from microcontrollers and sensors to small-scale digital systems. Its compact, metal-encased design houses advanced pulse width modulation circuitry, providing efficient power conversion across an output power spectrum of 3 to 150 watts. The module's broad input voltage acceptance from 110V to 220V offers flexibility for use in different regional electrical grids, supporting both single-phase domestic and light commercial applications where reliable DC power is required.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications and Performance\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"YS-U5S metal switching power supply module for converting AC to 5V DC\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/916\/2025-09-30\/original-image\/1415000720019.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe YS-U5S module's operation is defined by a clear set of electrical parameters that determine its suitability for various projects. These specifications cover input requirements, output characteristics, and conversion efficiency, providing a complete picture of its capabilities for system integrators and electronics enthusiasts.\u003c\/p\u003e\n\u003ch3\u003eInput and Output Voltage\u003c\/h3\u003e\n\u003cp\u003eThe module accepts an AC input voltage ranging from 110 volts to 220 volts. This wide range allows it to be used with common single-phase power supplies found in homes and offices across many countries without requiring a separate voltage transformer. It outputs a fixed DC voltage of 5 volts, which is a standard level for powering countless digital integrated circuits, USB devices, and logic boards. The output voltage accuracy is maintained within ±3%, ensuring connected devices receive a consistent and stable power supply critical for reliable operation.\u003c\/p\u003e\n\u003ch3\u003ePower Output and Efficiency\u003c\/h3\u003e\n\u003cp\u003eOutput power from the YS-U5S is variable, capable of delivering between 3 watts and 150 watts depending on the connected load. This range supports applications from low-power sensor networks to more demanding small motors or display units. The working efficiency of the power conversion process is between 60% and 90%. This efficiency metric indicates how effectively the module converts input AC power to usable DC output, with higher efficiency reducing wasted energy as heat. The specific efficiency within this band will depend on the actual load and input voltage conditions during use.\u003c\/p\u003e\n\u003ch3\u003eRegulation and Noise Performance\u003c\/h3\u003e\n\u003cp\u003eKey to its function as a power supply are its regulation characteristics. The module has a voltage regulation rate of 3% and a load adjustment rate of 120%. These figures describe its ability to maintain the 5V output despite fluctuations in the input AC line voltage and changes in the current drawn by the load, respectively. The output is subject to a ripple noise measurement of 50 to 300 millivolts (mV). This low-level electrical noise is inherent to switching power supplies and is typically managed in sensitive circuits by adding supplementary filtering capacitors at the point of load.\u003c\/p\u003e\n\u003ch2\u003eDesign and Construction Details\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"YS-U5S metal switching power supply module for converting AC to 5V DC\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/916\/2025-09-30\/original-image\/1448882671776.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe physical and electrical design of the YS-U5S contributes directly to its performance and application suitability. Its construction choices impact thermal management, circuit topology, and overall reliability in an operational environment.\u003c\/p\u003e\n\u003ch3\u003eMetal Housing and Thermal Management\u003c\/h3\u003e\n\u003cp\u003eThe module is encased in a metal housing. This material choice provides more than just physical protection for the internal electronic components; it also acts as a heat sink. During operation, the switching transistors and other components generate heat. The metal casing helps dissipate this heat into the surrounding air, preventing internal temperatures from rising excessively and potentially affecting performance or component lifespan. Adequate ventilation around the module in its final installation is recommended to support this passive cooling.\u003c\/p\u003e\n\u003ch3\u003ePWM and Single-Ended Topology\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the module is a Pulse Width Modulation (PWM) controller. This is a common and efficient method for regulating voltage in switched-mode power supplies. By rapidly switching the power transistors on and off and varying the width of these pulses, the controller can precisely adjust the average voltage delivered to the output. The circuit uses a single-ended transistor connection mode. This is a straightforward and cost-effective topology where the switching element is connected between the input voltage and the ground, suitable for the power levels and cost targets of this module.\u003c\/p\u003e\n\u003ch3\u003eConnection and Integration\u003c\/h3\u003e\n\u003cp\u003eAs a module, the YS-U5S is designed to be integrated into a larger system. Users must connect the AC input lines and the DC output terminals, typically via screw terminals or soldered wires provided on the board. The module handles the complete AC-to-DC conversion internally, outputting a clean 5V DC that can be directly fed to other circuit boards or devices. Its self-contained nature simplifies design for those who need a reliable DC power source without designing the complex switch-mode circuitry from scratch.\u003c\/p\u003e\n\u003ch2\u003ePractical Applications and Use Cases\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"YS-U5S metal switching power supply module for converting AC to 5V DC\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/916\/2025-09-30\/original-image\/2460048728455.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eWith its specific output voltage and respectable power range, the YS-U5S module finds utility in both hobbyist and professional settings where a stable 5V supply is needed. Its design balances capability, size, and cost for embedded and standalone systems.\u003c\/p\u003e\n\u003ch3\u003eElectronics Prototyping and Hobby Projects\u003c\/h3\u003e\n\u003cp\u003eFor makers and electronics hobbyists, this module is an excellent off-the-shelf solution for powering Arduino boards, Raspberry Pi computers (via appropriate regulation), LED strips, small motors in robotics, and breadboarded circuits. The ability to draw up to 150W allows for powering multiple devices or more demanding peripherals from a single, safe AC-derived source, eliminating the need for an assortment of bulky plug-in adapters.\u003c\/p\u003e\n\u003ch3\u003eEmbedded Systems and Industrial Control\u003c\/h3\u003e\n\u003cp\u003eIn light industrial or automation contexts, the module can serve as the primary power supply for control panels, sensor arrays, relay boards, or small human-machine interface (HMI) displays that operate on 5V logic. The metal housing offers better resilience in environments with more electrical noise or physical vibration compared to fully open boards. Its specified regulation rates ensure that the control electronics continue to function correctly even if the factory AC line voltage experiences minor sags or surges.\u003c\/p\u003e\n\u003ch3\u003eRetrofitting and Equipment Repair\u003c\/h3\u003e\n\u003cp\u003eThe YS-U5S can also be used as a replacement power supply in the repair of other electronic equipment where the original internal AC\/DC converter has failed. Technicians can match the voltage and ensure the new module's maximum current output (derived from its 150W maximum power at 5V) meets or exceeds the original equipment's requirements. Its modular form factor often allows it to fit into existing enclosures, providing a reliable, modern switching supply to replace older, less efficient, or damaged linear power supplies.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"YS-U5S metal switching power supply module for converting AC to 5V DC\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/916\/2025-09-30\/original-image\/3320246899419.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"YS-U5S metal switching power supply module for converting AC to 5V DC\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/916\/2025-09-30\/original-image\/387712935558.webp\"\u003e\u003c\/div\u003e","brand":"test333kb194i56sm","offers":[{"title":"YS U5S","offer_id":54020395336019,"sku":"CJJZGJJC00027-YS U5S","price":15.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1078\/5040\/0083\/files\/2460048728455.webp?v=1781697212","url":"https:\/\/0bdwuw-t1.myshopify.com\/products\/ys-u5s-ac-dc-switching-power-supply-module-with-metal-housing-single-ended-transistor-connection-pulse-width-modulation-input-voltage-110-220v-output-5v-dc-output-power-3-150w-60-90-working-efficiency","provider":"TerraCraft.uk","version":"1.0","type":"link"}