12V 3A Dual Output (12V-0-12V) Center-Tapped AC Power Transformer
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৳ 250.00৳ 300.00 (-17%)
The 12V 3A Center-Tapped AC Step-Down Power Transformer is a reliable iron-core transformer engineered to convert high-voltage input into usable dual-output low voltage. It efficiently steps down a 220V AC input at 50Hz into a 12V-0-12V AC output with a robust 3000mA current capacity
Premium 12V 3A Center-Tapped AC Step-Down Power Transformer – High-Performance 12V-0-12V EI Core Power Supply
Product Overview
The Premium 12V 3A Center-Tapped AC Step-Down Power Transformer is a rugged, open-frame laminated EI core transformer designed for stable voltage conversion and reliable linear power supply systems. Engineered to convert standard high-voltage utility power into safe, low-voltage dual outputs, this transformer converts a 220V AC input at 50Hz down to a 12V-0-12V AC center-tapped output. With a robust current rating of 3000mA (3 Amps), it delivers excellent power density and remains cool under sustained loads, making it an essential component for hardware repair, industrial automation, and custom electronic design.
Key Features & Technical Performance
- Dual-Output Center-Tapped Design: Provides a versatile 12V-0-12V AC (three-wire) configuration, making it incredibly simple to create symmetric positive/negative DC rails (+12V, 0V, -12V) using full-wave bridge rectifiers.
- Heavy-Duty EI Core Lamination: Built with high-permeability silicon steel core laminations that reduce eddy current losses, maximize magnetic flux efficiency, and minimize audible humming or buzzing during heavy operation.
- Premium Copper Windings & High Insulation: Features premium, multi-turn copper coils protected by heavy-duty electrical insulation tape (visible red and blue layers) to withstand temperature spikes and resist short circuits.
- Color-Coded Flying Lead Wires: Comes pre-installed with insulated, flexible stranded hookup wires for quick identification and straightforward soldering or terminal block integration.
- Integrated Chassis Mounting Ears: Features a rigid metal outer bracket with dual side-flange mounting tabs, ensuring vibration-resistant mechanical anchoring inside project boxes, metal enclosures, or on amplifier plates.
Diverse Applications
This high-capacity step-down transformer is an essential power block for a variety of electrical projects:
- Audio Amplifiers & Preamps: The premier choice for powering DIY audio systems, dual-rail operational amplifiers (Op-Amps), subwoofers, and mixers requiring noise-free, isolated positive/negative power rails.
- Linear DC Power Supplies: Ideal for building stable laboratory bench power supplies, battery chargers, and rectifying circuits where high-frequency switching noise from SMPS units cannot be tolerated.
- Industrial & Home Automation: Acts as a step-down utility power transformer for control circuit boards, relays, cooling fans, magnetic locks, and small motorized actuators.
- Electronics Engineering & Academics: A perfect tool for educational engineering laboratories, technical training institutes, and maker spaces to demonstrate AC rectification, filtering, and transformer principles safely.
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