{"product_id":"kuaiqu-sps-c305s-30v-5a-150w-precision-dc-bench-supply-with-4-digit-display-for-pcb-circuit-testing","title":"KUAIQU SPS-C305S 30V 5A 150W Precision DC Bench Supply with 4-Digit Display for PCB \u0026 Circuit Testing","description":"\u003cdiv style=\"margin: 20px 0; padding: 15px; border-left: 4px solid #2c3e50; background-color: #f8f9fa; border-radius: 4px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; color: #2c3e50;\"\u003e\u003ca style=\"color: #2980b9; text-decoration: underline; font-weight: bold; display: inline-flex; align-items: center;\" rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/SPS-C3010S_English_Manual.pdf?v=1747377589\" target=\"_blank\"\u003e \u003csvg style=\"margin-right: 8px;\" viewbox=\"0 0 16 16\" fill=\"currentColor\" height=\"20\" width=\"20\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z\"\u003e\u003c\/path\u003e\n        \u003cpath d=\"M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e Download English Manual (PDF) \u003c\/a\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 14px;\"\u003eClick the link above to get the full user guide for this product.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"header-vfC6AV auto-hide-last-sibling-br\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/12.png?v=1776150334\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1\u003eKUAIQU SPS-C305S 30V 5A 150W\u003c\/h1\u003e\n\u003ch1\u003ePrecision DC Bench Supply with 4-Digit\u003c\/h1\u003e\n\u003ch1\u003eDisplay for PCB \u0026amp; Circuit Testing\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eKUAIQU SPS-C305S\u003c\/strong\u003e is a 30V 5A 150W precision DC bench supply designed for PCB and circuit testing. With adjustable voltage and current, 10mV voltage setting resolution, 1mA current setting resolution, and a clear 4-digit display, it provides convenient parameter control and real-time monitoring during circuit development and board-level testing. Multiple protection functions help provide safer operation when testing electronic circuits and components.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003ePrecision Voltage and Current Adjustment\u003c\/h3\u003e\n\u003cp\u003eThe SPS-C305S provides a \u003cstrong\u003e0–30V adjustable output and 0–5A adjustable current\u003c\/strong\u003e, giving engineers and technicians flexible control when evaluating different PCB and circuit operating conditions. The 10mV voltage setting resolution and 1mA current setting resolution allow fine parameter adjustment during circuit testing.\u003c\/p\u003e\n\u003ch3\u003e4-Digit Display for Real-Time Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHD 4-digit display\u003c\/strong\u003e provides clear readings of voltage, current, and power. This allows users to monitor the electrical conditions of a PCB or circuit while adjusting test parameters, making it easier to observe changes during development and troubleshooting.\u003c\/p\u003e\n\u003ch3\u003ePrecision DC Bench Supply for Circuit Work\u003c\/h3\u003e\n\u003cp\u003eThe precision DC bench supply uses separate \u003cstrong\u003eV-COARSE, V-FINE, A-COARSE, and A-FINE\u003c\/strong\u003e adjustment controls. This setup allows users to make both quick and fine adjustments when testing different circuit conditions, particularly during PCB development and component-level evaluation.\u003c\/p\u003e\n\u003ch3\u003eIndependent Output Button\u003c\/h3\u003e\n\u003cp\u003eThe dedicated \u003cstrong\u003eOutput Button\u003c\/strong\u003e allows the output to be controlled independently after the required voltage and current parameters have been set. This is convenient when connecting, testing, or adjusting a PCB without repeatedly changing the configured parameters.\u003c\/p\u003e\n\u003ch3\u003eOCP, OVP and Multiple Protection Functions\u003c\/h3\u003e\n\u003cp\u003eThe SPS-C305S includes \u003cstrong\u003eOver-Current Protection (OCP), Over-Voltage Protection (OVP), Over-Load Protection, Short Circuit Protection, Over-Temperature Protection, and Grounding Protection\u003c\/strong\u003e. These protection functions help reduce the risk of abnormal operating conditions during PCB and circuit testing.\u003c\/p\u003e\n\u003ch3\u003eUSB and Type-C Charging Output\u003c\/h3\u003e\n\u003cp\u003eThe front panel provides \u003cstrong\u003eUSB and Type-C charging outputs\u003c\/strong\u003e with defined PDO and PPS profiles. The USB\/Type-C output supports PDO at 5V\/3A, 9V\/2A, and 12V\/1.5A, while PPS supports 3.3V–5.9V\/3A and 3.3V–11V\/1.6A. This provides an additional power option for compatible devices used alongside circuit testing equipment.\u003c\/p\u003e\n\u003ch3\u003eLow-Ripple Output for Circuit Testing\u003c\/h3\u003e\n\u003cp\u003eWith voltage ripple of \u003cstrong\u003e≤60mVp-p \/ ≤10mVrms\u003c\/strong\u003e and current ripple of \u003cstrong\u003e≤10mArms\u003c\/strong\u003e, the SPS-C305S provides regulated DC output suitable for a range of PCB and circuit test tasks where stable power conditions are important.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003ch3\u003ePCB Development and Board Testing\u003c\/h3\u003e\n\u003cp\u003eUse the SPS-C305S to supply adjustable DC power during PCB bring-up, functional checks, and board-level evaluation. The adjustable output and 4-digit monitoring make it convenient to observe how a board responds to different voltage and current conditions.\u003c\/p\u003e\n\u003ch3\u003eCircuit Testing and Troubleshooting\u003c\/h3\u003e\n\u003cp\u003eThe adjustable voltage and current output supports testing circuits under different operating conditions. Fine adjustment controls allow users to make small parameter changes while monitoring voltage, current, and power readings on the 4-digit display.\u003c\/p\u003e\n\u003ch3\u003eElectronic Component Evaluation\u003c\/h3\u003e\n\u003cp\u003eThe SPS-C305S can provide controlled DC power for evaluating electronic components and observing their behavior within a circuit. Its 1mA current setting resolution is useful when more precise current adjustments are required during testing.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Electronics Projects\u003c\/h3\u003e\n\u003cp\u003eThe compact DC bench supply is suitable for electronics development, circuit experiments, prototype testing, and other bench-based laboratory work requiring adjustable DC power.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eQuality Check and Terms of Service:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e Standard SPS-C305S power supply and included accessories according to the product package.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCE \u0026amp; FCC Certification:\u003c\/strong\u003e The product complies with applicable CE and FCC certification requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInspection Before Shipment:\u003c\/strong\u003e Each unit is inspected before shipment to help ensure proper product condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer Support:\u003c\/strong\u003e Customer support is available within 24 hours for product-related questions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSub-item\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Value (0℃~40℃)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e0–30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e0–5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e150W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB\/Type-C Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePDO\u003c\/td\u003e\n\u003ctd\u003e5V\/3A, 9V\/2A, 12V\/1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ePPS\u003c\/td\u003e\n\u003ctd\u003e3.3V–5.9V\/3A, 3.3V–11V\/1.6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.3% + 10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.1% + 2.5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.01% + 2.5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.1% + 2.5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReadback Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.05% + 10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.01% + 10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReadback Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.05% + 10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.01% + 10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRipple (20Hz~20MHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤60mVp-p \/ ≤10mVrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤10mArms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRise Time (No Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRise Time (Full Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤300ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFall Time (No Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤15s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFall Time (Full Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤300ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e≥85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\/Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eAC 220V (AC 110V optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Choose KUAIQU SPS-C305S?\u003c\/h2\u003e\n\u003cp\u003eFor \u003cstrong\u003ePCB \u0026amp; Circuit Testing\u003c\/strong\u003e, the KUAIQU SPS-C305S combines adjustable 0–30V\/0–5A output with a 150W power rating, fine voltage and current adjustment, and clear 4-digit monitoring. The \u003cstrong\u003ePrecision DC Bench Supply\u003c\/strong\u003e design supports controlled power delivery during PCB development, circuit troubleshooting, and electronic component evaluation. Its OCP, OVP, Over-Load, Short Circuit, Over-Temperature, and Grounding Protection functions add protection during bench testing, while USB\/Type-C charging provides an additional power option for compatible devices used in the laboratory or electronics workspace.\u003c\/p\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"AC220V(±10%) \/ SPS-C305S","offer_id":47892995375281,"sku":"SPS-C305S","price":69.99,"currency_code":"USD","in_stock":true},{"title":"AC110V(±10%) \/ SPS-C305S","offer_id":47892995408049,"sku":"SPS-C305S","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/KUAIQU_SPS-C305S_30V_5A_150W_Precision_DC_Bench_Supply_with_4-Digit_Display_for_PCB_Circuit_Testing1.png?v=1788405968","url":"https:\/\/www.kuaiquinstrument.com\/fr\/products\/kuaiqu-sps-c305s-30v-5a-150w-precision-dc-bench-supply-with-4-digit-display-for-pcb-circuit-testing","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}