Microwave Oven Capacitor 1 MFD 2100 Volt – Replacement Part India

Microwave oven not heating or making buzzing noise? The high-voltage capacitor (1 MFD / 2100V) is one of the most common microwave repair components — it stores the extremely high voltage needed to power the magnetron (the microwave's heating tube).

⚠️ CRITICAL SAFETY WARNING — Read Before Proceeding

Microwave oven high-voltage capacitors store lethal electrical charge (2100 volts) even when the microwave is unplugged from the mains. This charge can be fatal — NEVER touch capacitor terminals without first safely discharging the capacitor using an insulated resistor discharge tool. Microwave repair is recommended for qualified appliance technicians only. If you are not experienced with HV appliance repair, please contact a qualified technician.

Microwave Capacitor Role — How It Works

The microwave's high-voltage circuit uses a transformer, diode, and capacitor to convert 230V AC mains power to approximately 2100V DC — the voltage needed to power the magnetron. The 1 MFD capacitor is a key component of this voltage doubler circuit. A failed capacitor causes the magnetron to receive incorrect voltage — resulting in no heating, weak heating, or unusual buzzing.

Key Features

• Microwave oven capacitor — 1 MFD (1 microfarad), 2100V
• High-voltage rating — correct for microwave oven circuit
• Compatible most single-magnetron domestic microwave ovens
• Standard replacement component for microwave repair technicians

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FAQ

Q: How do I discharge a microwave capacitor safely?
Use an insulated resistor (10kΩ, 10W) connected across the capacitor terminals using insulated clips and fully insulated probes. Never short directly with a screwdriver — this can damage the capacitor and create dangerous arcing. For safety, consult a qualified technician.

Q: How do I know if my microwave capacitor has failed?
Symptoms: microwave runs but doesn't heat, loud buzzing from HV transformer, burning smell. A capacitance meter can test the capacitor — 1 MFD capacitor should measure close to 1 MFD.