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OWON SPE3103 DC Power Supply
The OWON SPE3103 is an ultra-compact single-channel programmable switching DC power supply delivering up to 30 V and 10 A with a maximum output power of 300 W. Equipped with a bright 2.8-inch color TFT-LCD, 10 mV / 1 mA high resolution, real-time voltage/current curve monitoring, and USB SCPI connectivity, it provides portable, high-power performance for electronic repairs, R&D labs, and automated test setups.
Features & Benefits
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High Power in an Ultra-Slim Body (300 W / 30 V / 10 A): Compact 82 mm wide footprint delivers up to 10 A output current while saving valuable bench space.
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2.8-Inch Color TFT-LCD Display: Displays voltage, current, power, limit thresholds, and elapsed operational time on a high-visibility 65,536-color screen.
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Live Dynamic Curve Monitoring: Graphically tracks voltage and current waveform changes over time directly on-screen to diagnose intermittent circuit faults.
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10-Group List Waveform Timing Output: Easily programs complex multi-step voltage/current test profiles and sequences without requiring a PC.
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4 Fast-Recall Memory Shortcuts (M1–M4): Quickly saves and recalls frequently used voltage and current combinations with dedicated panel buttons.
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USB Remote Control with SCPI Protocol: Connects to PC software via USB Device interface for full remote logging, data acquisition, and automated script testing.
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Front USB Charging Port: Convenient built-in 5 V / 1 A auxiliary USB output for powering peripheral microcontrollers or test accessories.
Description
Engineered with an ultra-thin, lightweight vertical form factor (weighing just 1.5 kg), the OWON SPE3103 brings high-wattage DC output to crowded engineering workstations and field repair kits. Delivering up to 300 W of clean regulated power across an adjustable 0–30 V and 0–10 A range, it incorporates a high-efficiency switching architecture with low ripple and noise ($\le$
Specifications
| Specification Attribute | Details / Values |
| Brand / Manufacturer | OWON (Fujian Lilliput Optoelectronics Technology Co., Ltd.) |
| Model / MPN | SPE3103 |
| Product Series | OWON SPE Series Single-Channel Programmable DC Power Supplies |
| Number of Channels | 1 Single Channel |
| Output Voltage Range | 0 to 30 V DC (Continuously adjustable) |
| Output Current Range | 0 to 10 A DC (Continuously adjustable) |
| Maximum Output Power | 300 W |
| Load Regulation | Voltage: $\le 30\text{ mV}$; Current: $\le 20\text{ mA}$ |
| Line / Power Regulation | Voltage: $\le 30\text{ mV}$; Current: $\le 20\text{ mA}$ |
| Setting & Readback Resolution | Voltage: 10 mV (1 mV readback); Current: 1 mA |
| Setting Accuracy (25°C ± 5°C) | Voltage: $\le 0.1\% \pm 20\text{ mV}$; Current: $\le 0.1\% \pm 10\text{ mA}$ |
| Readback Accuracy (25°C ± 5°C) | Voltage: $\le 0.1\% \pm 20\text{ mV}$; Current: $\le 0.1\% \pm 10\text{ mA}$ |
| Ripple & Noise (20 Hz to 20 MHz) | Voltage: $\le 30\text{ mVp-p}$ / $\le 3\text{ mVrms}$; Current: $\le 30\text{ mAp-p}$ |
| Transient Response Time | $\le 1.0\text{ ms}$ (50% to 100% rated load recovery) |
| Protection Features | Over-Voltage Protection (OVP: 0–31 V), Over-Current Protection (OCP: 0–10.1 A), Over-Temperature Protection (OTP: 85°C) |
| List Mode / Waveform Output | 10 groups of user-programmable timing sequences |
| Internal Memory Storage | 4 groups of parameter presets (M1 to M4) |
| Auxiliary Output | Front-panel USB Type-A port: 5 V / 1 A |
| Display | 2.8-inch TFT LCD (240 × 320 pixels, 65k true color) |
| Communication Interface | USB Device (Standard SCPI protocol support) |
| Cooling | Smart temperature-controlled forced-air cooling fan |
| Input Power | AC 110 V $\pm 15\%$ or AC 220 V $\pm 15\%$, 45–65 Hz |
| Dimensions & Weight | 82 (W) × 142 (H) × 226 (D) mm; Approx. 1.5 kg |
| In The Box / Standard Accessories | OWON SPE3103 Host, AC Power Cord, USB Cable, Banana-to-Alligator Test Leads, Spare Fuse, Quick Guide |
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