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$103.69
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10Pcs LM337 Positive & Negative Adjustable DC Regulated Power Supply Module, XR-103 Dual Polarity Voltage Regulator Board
- Based on LM337 chip, realizes dual positive and negative adjustable DC voltage output
- Wide adjustable voltage range, stable ripple filtering circuit for smooth regulated power
- Compact XR-103 module design, easy wiring and embedded installation for DIY circuits
- Overheat & short-circuit protection built-in to prevent damage to power supply and loads
- Pack of 10 modules, ideal for laboratory power, audio amplifiers, electronic maintenance
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This XR-103 power regulator module adopts classic LM337 core chip to provide adjustable positive and negative dual-channel DC regulated power. The onboard filter capacitor circuit effectively reduces output ripple to guarantee clean and stable voltage supply. Equipped with comprehensive protection mechanisms against short circuit and overheating, greatly improving safety during use. Small-sized circuit board fits experimental benches, audio equipment, DIY power supplies and electronic repair projects. The 10-piece bulk pack meets mass production and multi-project experimental demands.
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- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by TechCore Supply Return Policy
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