M1555 NISSHINBO | Alldatasheet
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Date Dec. 13, 2024 S-band Magnetron Model No. M1555 Copyright© Nisshinbo Micro Devices Inc. Microwave Business Division -Notice of Proprietary Information- This document and its contents are proprietary to Nisshinbo Micro Devices Inc. This publication and its contents may not be reproduced or distributed for any other purpose without the written permission of Nisshinbo Micro Devices Inc. Those specifications listed in this document are subject to change at any time. Microwave Business Division Title: Datasheet of M1555 Reference No.: DS-M1555 Rev.: 08E Sheet: Released
＊Above Specifications are subject to change without notice. Reference No.: DS-M1555 Rev.: 08E Sheet: ■ GENERAL DESCRIPTION M1555 is designed for the magnetron of S -band radar system. The frequency range is fixed <3 040 - 3060MHz> and the peak output power is 30kW. ■ ELECTRICAL CHARACTERISTICS PARAMETERS MINIMUM TYPICAL MAXIMUM UNITS Heater voltage (note 1) 5.7 6.3 6.9 V Heater current 1.1 1.3 1.4 A Preheat time 180 - - s Peak anode voltage (note 2) 7.2 8.0 8.5 kV Peak output power (note 2) 25 30 - kW Frequency (note 2) 3040 3043 3060 MHz ■ ABSOLUTE MAXIMUM RATINGS These ratings cannot necessarily be used simultaneously and no individual ratings should be exceeded. PARAMETERS MINIMUM MAXIMUM UNITS Peak anode current 6.0 12.0 A Peak anode power input - 100 kW Duty cycle - 0.001 - Pulse duration 0.07 1.0 μs Rate of rise of voltage pulse - 130 kV/μs Anode temperature - 120 ℃ VSWR at the output coupler - 1.5 : 1 - Notes 1. With no anode input power. For average pulse input powers greater than 25 watts, the heater voltage must be reduced within 3 seconds after the application of h.t. according to the following schedule:
＊Above Specifications are subject to change without notice. Reference No.: DS-M1555 Rev.: 08E Sheet: Mean input power(W) Heater Voltage(V) Less than 25 6.3 25 to 62 5.3 62 to 100 4.5 Mean input power (Pi) ＝ Anode current ×Anode voltage ×Duty cycle (W) 2. Measured at peak anode current 8.0A. ■ OUTLINE