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- Model:17470000008946
- SKU:17470000008946
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High-Voltage Microwave Diode for Panasonic (SKU: 17470000008946 / E07)
Restore your microwave to full heating power in just a few minutes!
The high-voltage diode is the heart of the power supply circuit in any conventional or inverter microwave oven. Working in tandem with the high-voltage capacitor, this component doubles the voltage and converts alternating current (AC) from the mains into the high-voltage direct current (DC) — up to 2000-4000V— required to fire up and stabilize the magnetron.
If your microwave has suddenly stopped heating food (even though the turntable is spinning and the interior light is on), is making a strange buzzing or crackling noise, or is blowing the main fuse the moment you start heating, there is a 90 % chance that the high-voltage diode is shorted or opened.
The genuine 17470000008946 (E07 Series) replacement diode is specifically engineered for a precise drop-in fit in premium Panasonic microwave ovens. It guarantees the restoration of original factory performance while protecting more expensive components, such as the magnetron and transformer, from overloads.
Key Benefits and Features
Dedicated Compatibility: precisely engineered to match the structural design, frequency responses, and thermal operating ranges of Panasonic microwaves, specifically for the popular premium flagship Panasonic NN-C69MS lineup, as well as related inverter and transformer-based models from the brand.
Enhanced Reliability and Breakdown Resistance: manufactured using advanced semiconductor crystals capable of withstanding immense peak voltages and sudden power surges without damaging the P-N junction structure.
Efficient Heat Dissipation: featuring an optimized polymer casing, the component boasts superior heat dissipation rates, preventing critical diode overheating even during extended, continuous microwave operation (e.g., in convection or grill modes).
Ready for Installation (Plug and Play): the diode comes pre-crimped with the correct factory terminals (ring terminal on one end / Faston blade connector on the other), completely eliminating the need for soldering or splicing wires. Installation takes minimal time.
Technical Specifications
| Parameter | Value / Specification |
| SKU (Part Number) | 17470000008946 |
| Schematic Number | E07 |
| Part Type | High-Voltage Microwave Diode (HV Diode) |
| Rated Operating Voltage | Up to 8-12 кV (depending on the peak loads of the model) |
| Rated Current | 350-500 mA |
| Brand Compatibility | Panasonic (NN-C69MS series and other models with a matching assembly) |
| Package Includes | Diode assembly with pre-crimped mounting terminals/wire |
Why is it Crucial to Buy a Genuine E07 Series Diode?
Important Technician Warning: the high-voltage circuit of a microwave operates under extreme electrical stress. Attempting to install a cheap, generic "no-name" diode of inferior quality often results in immediate breakdown the very first time you power it on. Furthermore, a faulty or incorrectly rated diode can permanently damage the magnetron or high-voltage transformer, repairs for which cost significantly more. A genuine Panasonic part is an investment in the safety of your home and the longevity of your appliance.
How to Test and Replace the Diode (Pro Tips)
Safety First! before performing any work, always unplug the microwave from the wall outlet. Because the high-voltage capacitor can hold a residual charge of up to 4000 V, you must discharge it by shorting its terminals to the chassis using insulated pliers or an insulated screwdriver.
Testing Specifics: a standard household multimeter set to regular "continuity" or "diode test" mode will show the diode as "open" (it will not read in either direction). This is normal because a high-voltage P-N junction requires a forward voltage of over $9\text{ V}$ to open, whereas standard multimeters only put out 1.5-3 V. You can test it by wiring a $9\text{ V}$ PP3 ("Krona") battery in series with the diode and using your multimeter in DC voltage mode.
Mounting: one end of the diode (with the ring terminal) must be securely screwed directly to the metal chassis of the microwave, while the other end connects to the terminal of the high-voltage capacitor. Ensure the contact is tight with absolutely no play.
Order the genuine Panasonic 17470000008946 (E07) high-voltage diode right now! Save yourself the cost of buying a brand-new microwave — bring your favorite appliance back to life quickly, safely, and with a guarantee of flawless quality!