{"product_id":"30v-3a-90w-electronics-laboratory-power-supply-nbsp-kuaiqu-spps-d303xr-nbsp-precision-linear-dc-bench-power-supply-for-circuit-development","title":"30V 3A 90W Electronics Laboratory Power Supply,KUAIQU SPPS-D303XR Precision Linear DC Bench Power Supply for Circuit Development","description":"\u003ch1\u003e30V 3A 90W Electronics Laboratory Power Supply, KUAIQU SPPS-D303XR Precision Linear DC Bench Power Supply for Circuit Development\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe KUAIQU SPPS-D303XR Electronics Laboratory Power Supply is a 0–30V, 0–3A, 90W precision linear DC power supply designed for electronics laboratories, circuit development, engineering education, sensor development, and low-power electronic projects. Its stable linear output, fine voltage and current adjustment, low ripple, and clear color display make it a practical laboratory DC power supply for engineers, technicians, researchers, and students.\u003c\/p\u003e\n\u003cp\u003eWith 1mV voltage and 1mA current setting and readback resolution, the SPPS-D303XR provides precise control when working with electronic circuits, development boards, sensors, microcontrollers, and other low-power devices. The linear DC architecture helps provide clean and stable power for sensitive electronic circuits and precision laboratory work.\u003c\/p\u003e\n\u003cp\u003eThe 30V 3A DC power supply delivers up to 90W of output power, making it suitable for everyday circuit development without occupying the workspace of a larger high-power bench supply. The 2.8-inch full-color display provides clear operating information, while programmable slope control, memory storage, OCP, and OVP add flexibility for repeatable laboratory workflows.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003ePrecision 30V 3A Linear DC Output\u003c\/h3\u003e\n\u003cp\u003eProvides adjustable \u003cstrong\u003e0–30V and 0–3A output with 90W power\u003c\/strong\u003e, making this \u003cstrong\u003e30V 3A laboratory power supply\u003c\/strong\u003e suitable for low-power electronic circuits, development boards, sensors, and circuit development.\u003c\/p\u003e\n\u003ch3\u003eFine Voltage \u0026amp; Current Adjustment\u003c\/h3\u003e\n\u003cp\u003eWith \u003cstrong\u003e1mV \/ 1mA setting and readback resolution\u003c\/strong\u003e, the SPPS-D303XR works as a precision DC power supply when engineers need detailed control during circuit development and electronics laboratory testing.\u003c\/p\u003e\n\u003ch3\u003eLow-Ripple Linear Power Output\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003elinear DC power supply\u003c\/strong\u003e provides voltage ripple and noise of ≤15mV(p-p) \/ ≤5mV(rms), helping deliver clean DC power to sensitive electronic circuits and measurement-related applications.\u003c\/p\u003e\n\u003ch3\u003eFull-Color Digital Display\u003c\/h3\u003e\n\u003cp\u003eThe 2.8-inch full-color screen provides clear real-time operating information and supports convenient monitoring during electronics laboratory work and circuit debugging.\u003c\/p\u003e\n\u003ch3\u003eProgrammable Slope \u0026amp; Memory Functions\u003c\/h3\u003e\n\u003cp\u003eVoltage ramping, cycle operation, and memory storage help engineers create repeatable power-up and test procedures during circuit development, prototype evaluation, and laboratory experiments.\u003c\/p\u003e\n\u003ch3\u003eOCP \u0026amp; OVP Protection\u003c\/h3\u003e\n\u003cp\u003eBuilt-in over-current protection and over-voltage protection help protect connected circuits and electronic components during laboratory testing and development.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003ch3\u003eElectronics Laboratory\u003c\/h3\u003e\n\u003cp\u003eUse the \u003cstrong\u003eElectronics Laboratory Power Supply\u003c\/strong\u003e for daily circuit development, prototype evaluation, component testing, and controlled DC power experiments.\u003c\/p\u003e\n\u003ch3\u003eCircuit Development\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e30V 3A adjustable DC power supply\u003c\/strong\u003e provides stable power for development boards, control circuits, sensors, microcontroller projects, and low-power electronic modules.\u003c\/p\u003e\n\u003ch3\u003eSensor Development \u0026amp; Testing\u003c\/h3\u003e\n\u003cp\u003eSuitable as a \u003cstrong\u003eDC power supply for sensor development\u003c\/strong\u003e, measurement modules, signal-conditioning circuits, and other low-power sensing electronics.\u003c\/p\u003e\n\u003ch3\u003eEngineering Education\u003c\/h3\u003e\n\u003cp\u003eThe compact output range makes this \u003cstrong\u003elaboratory DC power supply\u003c\/strong\u003e suitable for university engineering laboratories, electronics education, student experiments, and technical training.\u003c\/p\u003e\n\u003ch3\u003eEmbedded \u0026amp; Microcontroller Projects\u003c\/h3\u003e\n\u003cp\u003eUseful as a \u003cstrong\u003ebench power supply for microcontroller projects\u003c\/strong\u003e, development boards, embedded control circuits, and prototype hardware.\u003c\/p\u003e\n\u003ch3\u003eElectronic Circuit Debugging\u003c\/h3\u003e\n\u003cp\u003eProvides controlled voltage and current during circuit debugging, prototype troubleshooting, and electronic component evaluation.\u003c\/p\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDC Power Supply × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput Power Cord × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput Power Cord × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser Manual × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWarranty Card × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE \u0026amp; FCC\u003c\/p\u003e\n\u003cp\u003eAll power supplies and accessories are inspected before shipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer Support:\u003c\/strong\u003e Response within 24 hours.\u003c\/p\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003ctable style=\"width: 100%; height: 411.47px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 54.7406%; height: 19.5938px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"width: 44.9016%; height: 19.5938px;\"\u003eSPPS-D303XR\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e0 ~ 30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eOutput Current\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e0 ~ 3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eRated Power\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e90W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eUSB Output\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e5V \/ 2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eLoad Regulation (Voltage)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.01%+10 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eLoad Regulation (Current)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.01%+10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eLine Regulation (Voltage)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.01%+3 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eLine Regulation (Current)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.01%+3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eSetting Resolution (V\/A)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e1mV \/ 1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eReadback Resolution (V\/A)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e1mV \/ 1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eSetting Accuracy (Voltage)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.03%+10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eSetting Accuracy (Current)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.1%+10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eReadback Accuracy (Voltage)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.03%+10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eReadback Accuracy (Current)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤0.1%+10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eRipple \u0026amp; Noise (Voltage)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤15mV(p-p) \/ ≤5mV(rms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eRipple \u0026amp; Noise (Current)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤10mA(rms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eRise Time (No Load \/ Full Load)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤200ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eFall Time (No Load)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤500ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eFall Time (Full Load)\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≤50ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 54.7406%; height: 19.5938px;\"\u003eFull Load Efficiency\u003c\/td\u003e\n\u003ctd style=\"width: 44.9016%; height: 19.5938px;\"\u003e≥48%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"AC220V(±10%) \/ SPPS-D303XR","offer_id":47987831931057,"sku":"SPPS-D303X-R-220V","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/59_24121717-b740-4eea-acb5-f4f6b28b83ff.png?v=1790654408","url":"https:\/\/www.kuaiquinstrument.com\/products\/30v-3a-90w-electronics-laboratory-power-supply-nbsp-kuaiqu-spps-d303xr-nbsp-precision-linear-dc-bench-power-supply-for-circuit-development","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}