- Free 30-day Returns
$20.89
Ships from China.
Meet Your Seller
1Pcs LM337 Negative Adjustable Regulated Power Supply Module XR-103, Dual Polarity Positive & Negative Voltage Stabilizer Board
Limited time offer, ends 07/30 By TechCore Supply
- Adopts classic LM337 voltage regulation chip, stable negative output voltage adjustment, can be paired with positive voltage regulator to build complete positive-negative dual power supply system.
- Wide adjustable output voltage range, fine-tune output voltage via precision potentiometer, flexible to match experimental circuits, op-amps and analog equipment power demands.
- Integrated complete peripheral circuit on PCB, with input reverse connection protection and overcurrent safeguard, effectively avoid module burnout caused by wiring errors.
- Compact integrated circuit board design, pre-soldered terminal pins for easy wiring, no complicated peripheral component welding required, plug and use quickly.
- Widely applicable for electronic experiment benches, audio preamps, operational amplifier circuits, DIY small power supplies and student electronic teaching projects.
+
+
Overview
Specs
Reviews
Any questions? Our AI beta will help you find out quickly.
Try me now
The XR-103 power regulation module takes LM337 professional negative voltage stabilizing chip as the core component, dedicated to providing continuously adjustable stable negative DC voltage output. When matched with a positive voltage regulating module, it can supply symmetrical positive and negative power for dual-power analog circuits such as operational amplifiers, audio amplifiers and signal processing boards.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by TechCore Supply Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
LOADING...

















