What guage are the wires?

The manufacturer doesn't specify the wire gauge, but the wire conductor has a diameter of 1mm (0.04 inches), which would make it 18 AWG wire.

is this a switching DC-DC converter (or linear converter)?

It's a switching converter. Power output at 3V is roughly equal to power input at 12V, so the input current is much lower than the output current. Minimal dissipation compared to a linear converter.

So, if i have a device that takes 3v .225a, even though this outputs a max of 3a it should work fine?

Yes, absolutely. This module is voltage-regulated, meaning it regulates the output to 3V, and will provide whatever current the load draws, up to 3A maximum.

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

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

4.6/5

Product ID: 136974147

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Details

Brand
Envistia
Power Source
Corded
Product Dimensions
1.5"D x 1.06"W
Mounting Type
Surface Mount
Current Rating
3 Amps

⚡3A high current output

💧Fully waterproof sealed design

🔋Wide 8-24V input range

Description

🔌 Power up anywhere, rain or shine!

COMPACT YET MIGHTY - Miniature design packs up to 9W output power in a lightweight 30g module
SAFETY FIRST ALWAYS - Integrated overload, over-current, and voltage protection for peace of mind
BUILT TO BRAVE THE ELEMENTS - Fully sealed waterproof casing ensures durability in any environment
VERSATILE VOLTAGE COMPATIBILITY - Operates seamlessly from 8V to 24V input for flexible applications
POWER YOUR PROJECTS WITH PRECISION - Stable 3.3V output at up to 3A for reliable performance

This compact 12V to 3.3V DC-DC step-down converter delivers a stable 3A current with up to 9W output power. Designed with a fully waterproof sealed casing and comprehensive protection features, it supports a wide input voltage range from 8V to 24V, making it ideal for robust, reliable power supply in diverse environments.

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TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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₨319

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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

Details

Description

Specifications

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Common Questions

Item Weight	30 Grams
Current Rating	3 Amps
Power Source	Corded Electric