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M1458A is designed for the magnetron of X-band radar system. The frequency range is fixed <9380 – 9440MHz> and the peak output power is 25kW.
JMA-9100 Series
JMA-5200/5300 Series
These are marine navigation radars used in commercial vessels, ships, and offshore platforms.
Certain Furuno X-band radar models (like FAR-21×7/28×7 series) sometimes use compatible magnetrons like the M1458A or M1455 series.
Compatible older models of BridgeMaster and VisionMaster radars that utilize WR-90 waveguides may be equipped with this class of magnetron.
| Items | Parameters | ||
|---|---|---|---|
| Frequency | 9380 to 9440 MHz (Fixed) | ||
| Output power (Peak) | 25 kW | ||
| Duty cycle / Pulse duration | 0.001 / 1.00 μsec | ||
| Anode voltage (Peak) | 8 kV | ||
| Anode current (Peak) | 8 A | ||
| Heater voltage | 6.3 V (@ Preheat) | ||
| Heater current | 0.52 A | ||
| RF output interface | Waveguide: WR90 RF flange: UG-135/U Equivalent |
||
| Power supply interface | Lead wire | ||
| Cooling | Air / Forced air | ||
| Weight | 0.7 kg | ||
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