Transformer 220V to 12‑0‑12VAC 3A EI Transformer (Center‑Tapped)

Overview 🔌 Robust EI transformer delivering 12‑0‑12 VAC @ 3 A from 220–240 VAC . Perfect for ±15 V class linear supplies (after regulation) and audio. Key Features ⭐ Primary: 220–240 VAC, 50/60 Hz Secondary: 12‑0‑12 VAC (CT), 3 A Total VA (approx.) ≈ 72 VA Detailed Specifications 📐 Parameter Value Notes Input 220–240 VAC 50/60 Hz Secondary 12‑0‑12 VAC @ 3 A Center‑tapped Power ≈72 VA 2 × (12 V × 3 A) Pinout & Wiring 🧰 Side Terminals Function Primary P1 – P2 220–240 VAC Secondary S1 – CT – S2 Two 12 VAC halves; CT is 0V Performance & Calculations 📊 Approx. DC per rail (no‑load): 12·1.414 − ~1.4 ≈ ≈15.6 V . Capacitor for ΔV=1 V at 3 A per rail: 30,000 µF . Videos ▶️ Transformers Explained – The Engineering Mindset: https://www.youtube.com/watch?v=jcY4QN7awEc Bridge Rectifier with Capacitor Filter: https://www.youtube.com/watch?v=EfSW_9lx1VE Bridge Capacitor Value Calculation: https://www.youtube.com/watch?v=J9HsLWmtBnE نظرة عامة 🔌 محول EI بسنتر تاب 12‑0‑12 VAC عند 3 أمبير مناسب لتغذية ± rails مع تقويم وتنظيم للوصول لـ ±15V تقريبًا.