UNI-T UDP3303C Power supply

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UNI-T UDP3303C Power supply The UDP3303C is the SCPI-programmable counterpart to the UDP3303A — same 195W three-channel linear hardware, same CH3 logic-rail selector cycling 1.8V / 2.5V / 3.3V / 5V at 3.2A, same ≤1 mVrms ripple — with a back-panel USB-Device port and RS-232 added for full SCPI control. CH1 and CH2 deliver 0–30V at 0–3A; series and parallel modes extend that to 60V or 6A. Programming accuracy holds inside ≤0.1% + 30 mV on voltage and ≤0.5% + 2 mA on current — fine enough for sleep-mode current characterization on IoT prototypes, battery-charge cut-off testing, and any automated sweep that needs the setpoint to land exactly where you asked it. Five preset storage groups (M1–M5), shutdown memory, OVP / OCP / OTP per channel, and a Digital I/O hardware ON/OFF pin pair round out a programmable supply built for benches that have to behave the same way every time. For 5A per adjustable channel, see the UDP3305C; for the knob-only manual variant, see the UDP3303A. Features: Three Channels, 195W Total — SCPI Programmable. 10 mV / 1 mA Resolution. USB-Device + RS-232 with SCPI. Series, Parallel, and Tracking Modes. Programming Accuracy ≤0.1% + 30 mV. OVP / OCP / OTP Protection. Five Preset Storage Groups. CH3 Logic-Rail Selector. Front-Panel 5V/2A USB Charging Port (CH4). Linear Topology, ≤1 mVrms Ripple. Hardware Output Disable via Digital I/O. Specifications: Output Voltage CH3 1.8V/2.5V/3.3V/5.0V(±3% Can be fine-tuned) CH4 (USB) 5V±0.25V Output Current CH3 3.2A CH4 (USB) 2A Total Output Power 195W Channels 3Ch Voltage Resolution 10mV Programmable ✓ Instrument Type DC Linear PSU Supply Type DC Linear Full specifications (12) Details Current Resolution 1mA Features Line Regulation CV ≤0.01%+3mV; CC ≤0.2%+3mA Parallel ≤0.01%+3mV Series ≤0.01%+5mV CH3 ≤ 5mV Load Regulation CV ≤0.01%+3mV(≤3A); ≤ 0.02%+5mV (>3A) CC ≤0.2%+3mA Parallel · rated current ≤3A ≤0.01%+3mV Parallel · rated current >3A ≤0.02%+5mV Series ≤300mV CH3 ≤15mV Ripple & Noise Voltage ≤1mVrms Current ≤3mArms Programming Accuracy Voltage ≤0.1%+30mV Current ≤0.5%+2mA Setting Resolution 10mV,1mA General Information Interface USB-Device|RS232|Dig I/O Dimensions (W×H×D) 240 × 168 × 347 mm Weight 8.8 kg Warranty 3+2 years Certifications CE|cTUVus Display EBTN LCD Applications: Electronic circuit testing. PCB testing and repair. Powering Arduino and development boards. Testing electronic modules. Prototype development. Laboratory experiments. Research and educational applications. Electronics troubleshooting. Component testing. Communication equipment testing. Industrial electronics maintenance. Package Includes: 1 × UNI-T UDP3303C Programmable DC Power Supply. 1 × AC power cable. 1 × Test leads. 1 × User documentation. Documents: Datasheet. User Manual. Software Instruction.