DEVICE: MAGNETRON
BRAND: JRC, NISSHINBO
TYPE: M1555
JRC M1555 S-Band Magnetron
Overview
The JRC M1555 is a high-power S-Band magnetron designed for marine radar systems. Operating within a fixed frequency range of 3040–3060 MHz, it delivers a robust 30 kW peak output, ensuring superior radar detection performance in demanding maritime environments.
Key Features
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Fixed S-Band Frequency – Stable operation within 3040–3060 MHz band for consistent radar performance.
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High Peak Output Power – Up to 30 kW peak power for long-range detection and clarity.
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Precision Electrical Specifications
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Heater Voltage / Current: 6.3 V @ 1.3 A
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Peak Anode Voltage: ~8 kV
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Peak Anode Current: ~8 A
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Duty Cycle: 0.001 with up to 1 µs pulse width
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Robust Design & Interface
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WR284 waveguide interface
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Air or forced-air cooling
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Approx. 1.7 kg durable construction
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RoHS Compliant – Environmentally safe and reliable.
Maintenance Advice
For optimal radar performance, replace the magnetron after approximately 5,000 hours of transmission. It is also recommended to service the carbon brushes during replacement for reliable long-term operation.
Technical Specifications at a Glance
| Feature | Specification |
|---|---|
| Frequency (Fixed) | 3040 – 3060 MHz |
| Peak Output Power | Up to 30 kW |
| Heater Voltage / Current | 6.3 V / 1.3 A |
| Peak Anode Voltage | ~8 kV |
| Peak Anode Current | ~8 A |
| Duty Cycle / Pulse Width | 0.001 / up to 1 µs |
| Cooling & Interface | Air / Forced air; WR284 |
| Weight | ~1.7 kg |
| Environmental Compliance | RoHS compliant |
