Antique radios, Old Time Radios
2M21
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Country:
Japan
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| Identical to |
2M21
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| Similar
Tubes |
Other characteristic (electr. data):
QK707A
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| First Source
(s) |
20.Mar.1964 : -- Original-techn. papers. Datenblatt
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| Base |
No base
2 Sidecontacts.
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| Was used by |
Industrial |
| Filament |
Vf 9.3 Volts / If 35 Ampere / Half indirect / Specified voltage AC/DC |
| Description |
The Toshiba 2M21 is a fixed frequency continuous wave magnetron, designed to operate on the commercial alternating wave anode supply, in the 2425 to 2475 MHz frequency range with an average power output of 950W.
The tube requires liquid cooling and an external magnetic field.
The outer fitter is designed for coupling to the rectangular waveguide or the heating cavity directly. The tube is intended for use in microwave heating and cooking application.
Typical operation:
Peak anode voltage: 6.3 kV
Average Anode current: 0.275 A DC
Average power output: 950 W
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Dimensions (WHD)
incl. pins / tip |
76 x 232 x mm / 2.99 x 9.13 x inch |
| Weight |
1700 g / 59.97 oz |
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