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220V to 12VAC 300mA EI Step-Down Transformer (Single Secondary)

Original price was: 100.00 EGP.Current price is: 85.00 EGP.

12VAC 300mA EI transformer—single secondary. Estimate no‑load DC ≈15.6 V after bridge; ~3,000 µF per 1 V ripple at 0.3 A.‎

ترانس 12 فولت 300 مللي أمبير ثانوي مفرد لمشاريع تنظيم بسيطة.

SKU Trans_12v300mA SKU SYS Xb7099 Availability In stock
Quantities are confirmed after reviewing your order. Orders are normally prepared and shipped within 3–5 business days. Online availability does not necessarily mean the product is currently available at the branch. تأكيد الكميات بيتم بعد مراجعة الأوردر، وتجهيز وشحن الطلب بيستغرق عادة من 3 إلى 5 أيام عمل. توافر المنتج على الموقع لا يعني بالضرورة توافره داخل الفرع، لذلك اعمل الأوردر مسبقًا لتأكيد الكمية وتجهيزه.
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Description

Overview 🔌

EI laminated transformer providing 12 VAC @ 300 mA from 220–240 VAC mains. Single secondary only (NOT 12‑0‑12).

Key Features ⭐

  • Primary: 220–240 VAC, 50/60 Hz
  • Secondary: 12 VAC (RMS), 0.3 A
  • Approx. power: 3.6 VA

Detailed Specifications 📐

ParameterValueNotes
Input220–240 VAC50/60 Hz
Output12 VAC @ 0.3 ASingle secondary
Power≈3.6 VAVrms × I

Pinout & Wiring 🧰

SideTerminalsFunction
PrimaryP1 – P2220–240 VAC
SecondaryS1 – S212 VAC

Performance & Calculations 📊

  • No‑load DC after bridge: 12·1.414 − ~1.4 ≈ ≈15.6 V.
  • Example capacitor for ΔV=1 V at 0.3 A: 3,000 µF.

نظرة عامة 🔌

محول EI يُخرج 12 VAC عند 300 مللي أمبير من 220–240 VAC. ثانوي مفرد (مش 12‑0‑12).

الأداء والحسابات 📊

DC بدون حمل بعد القنطرة ≈ 15.6 فولت؛ مكثف تموج ~3,000 µF لكل 1 فولت تموج عند 0.3 A.

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