Name: 12V to 3.3V 3A Step-Down Waterproof Miniature DC-DC Converter Power Supply Module
Brand: Envistia Mall
SKU: 4Z43DFAVXES0
Price: 42.83 CAD
Availability: InStock
Rating: 5 (1 reviews)

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12V to 3.3V 3A Step-Down Waterproof Miniature DC-DC Converter Power Supply Module

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This miniature DC-DC step-down converter module converts a 12V DC input to 3.3V DC output at up to 3A current (9W maximum). Specifications: Epoxy sealed waterproof housing Lightweight, compact, convenient to use and transport Non-isolated With overload / over-current / over / low voltage protection, stable performance Auto recovery Input voltage: DC 12V nominal, will operate on any input voltage from 8V to 24V DC Quiescent input current (no load attached): <10mA Maximum input current at 3A output: Approximately 0.75A at 12V input, 0.6A at 15V input Output voltage: 3.3V DC (+2% -10%) Maximum output current: 3A Maximum Output Power: 9W Efficiency: >96% Size (L x W x H): 38 * 27 * 23 mm (Length including mounting tabs is 52mm) Weight: 30g Case color: White  Cable length: 12cm (approx) Operating Notes: As with any DC-DC converter, the input DC power supply powering this converter must be capable of providing the maximum power drawn by your load. If the input supply is not capable of providing the power, the converter will fold back the output voltage as necessary. Example: If your load draws 3A at 3V (9W), and the input supply is only capable of providing 12V at 0.5A (6W), the maximum output voltage the converter will deliver is 2V (6W/3A). Package includes: 1X 12V to 3V 3A Mini DC-DC Step Down Converter  Converts a 12V input voltage will operate with any input voltage from 8V to 24V to 3 3V DC 2 10 output at up to 3A/Up to 9W output power 3V at 3A /Fully sealed and waterproof/Overload over current over low voltage protection stable performance/The inputs and outputs are labeled on the sticker on top of the converter the red and black wires are the and 12V input and the red and yellow wires are the and 3V output /

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It was exactly what I needed for my model train layout to go from 12 V to 3 V

walmart.com

12v to 3v 3a step-down waterproof miniature dc-dc converter power supply module front-facing centered view with white epoxy-sealed rectangular housing and mounting tabs, Envistia Mall label showing Input DC12V and Output 3.0V 3A, input wires (red, black) at left and output wires (red, yellow, black) at right, compact 38 x 27 x 23 mm, 30 g, suitable automotive power converter and step-down regulator often used to power 3V LED strips or vehicle sensors in 12V systems.