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Description
MI-351 Magnetron USSR MI351A/B NOS NEW 1985 МИ-351 МИ351 MI351 Never OpenedOne (1 pcs) magnetron MI 351A B MI351A 351 A MI351B NOS New Old Stock. General characteristics Frequency range, GHz 16,05 16,40 Pulsed output power, W, min. 400 Pulse repetition frequency, kHz 5000 Pulse duration, mcs 0,1 0,5 VSWR, max. 1,3 Spectrum width, MHz, max. 2 tp25% Frequency tuning steepness, MHz mm, max. 250 Lifetime, h 500 Dimension, mm 538844 Weight, kg 450 Main Parameters Frequency, GHz 16,05 16,4 Peak Power Output, kW 0,5 Anode Voltage,
One (1 pcs) magnetron MI-351A/B MI351A МИ-351-A MI351B
NOS - New Old Stock.
| Frequency range, GHz | |
| Pulsed output power, W, min. | |
| Pulse repetition frequency, kHz | |
| Pulse duration, mcs | |
| VSWR, max. | |
| Spectrum width, MHz, max. | |
| Frequency tuning steepness, MHz/mm, max. | |
| Lifetime, h | |
| Dimension, mm | |
| Weight, kg | |
| Main Parameters |
| Frequency, GHz | 16,05-16,4 |
| Peak Power Output, kW | 0,5 |
| Anode Voltage, kV | 2,45-2,8 |
| Cathode heating voltage, V | 6,0-6,9 |
| Electric characteristics |
| Anode Current, amps | 1,5-2,25 |
| Cathode heating current, amps | 0,48-0,6 |
| Setup time, s | 60 |
| Pulse Width, microseconds | 0,1-0,5 |
| Duty Cycle | |
| VSWR, max | 1,3 |
| Mechanical characteristics |
| Lifetime, h | 500 |
| Dimensions, mm | 53х88х44 |
| Weight, Kg | 0,45 |
| Configuration | packaged, metal-ceramic |
| Output | waveguide |
1pc. MI-351-A Magnetron
It's NEW OLS STOCK, never used item in original styrofoam box. We sell it "as is", no returns. What you see is what you get.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2013 reviews
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Product Reviews
★★★★★ 4
none
Color: Blue
after 4 orders of the wrong size these finally fit
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Reviewed in the United States on November 12, 2025
★★★★★ 1
Not again
Color: Pink
Doesn’t fit the brush it said it would
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Perfect for whitening!
This Puur Smile whitening kit is now a must have in my home ! I always wanted to have whiter teeth but going to a dentist is too expensive. I decided to buy this kit to try it out and I am very happy with my results ! The kit is very easy to use and you have a manual. I love that the Puur Smile led device has 2 modes , for sensitive and extra sensitive teeth . It does not irritate my teeth and gums . You don't have to hold it on for long , 10-15 minutes per session is enough. After using it I noticed significant improvement of my teeth color , it is whiter and I am looking forward to making it even better with future sessions.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Very good
I really liked this teeth whitening kit. It comes very complete with an LED light, whitening gel pens, and a shade guide to track your progress. The instructions are easy to follow, and the design is practical and comfortable to use. After several uses, I noticed my teeth looked a bit brighter and cleaner. I also like that the device is rechargeable, which makes it convenient and easy to use anywhere. Overall, it’s a great option for at-home teeth whitening.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Must have!
I am honestly blown away by the Puur Smile Teeth Whitening Kit — it’s become a must-have in my self-care routine! From the moment I started using it, I noticed a visible difference in the brightness of my teeth. Even stubborn stains from coffee and wine have faded noticeably after just a few sessions.
The kit is super easy to use, and the instructions are clear and straightforward — no fuss, no mess. I love that it doesn’t cause sensitivity like other whitening products I’ve tried in the past. The LED light feels gentle, and the gel goes on smoothly without irritation.
My smile looks brighter, cleaner, and more confident — and I’ve already gotten compliments from friends and coworkers! The results feel professional quality but at a fraction of the cost.
If you’re looking for a reliable, effective, and gentle whitening system, this kit is a total winner. Highly recommend! 😁✨
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Reviewed in the United States on March 2, 2026