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News 2022/09/28

[New] Highly Integrated DC/DC Front-end Filters for Defense and Railway Applications

[New] Highly Integrated DC/DC Front-end Filters for Defense and Railway Applications

P-DUKE has launched the new MCF series which are front-end filters for P-DUKE COTS (commercial-off-the-shelf) DC/DC converters to comply with the requirements of MIL-STD 1275D (Characteristic of 28 volt DC electrical systems in military vehicles) and MIL-STD 461 (Requirement for the control of electromagnetic interference characteristics of subsystems and equipment). This filter series accepts 9-36Vdc input voltage (50Vdc for 1 sec.) which is suitable for military vehicle with 28V bus systems respectively 24V bus systems They are also applicable for both heavy industrial and rolling stock applications.

[New] Highly Integrated DC/DC Front-end Filters for Defense and Railway Applications

 

 

Meet
Standard
Vnom Operating
Input Range
Brownout Transient Spike
MIL-STD 1275D 28Vdc 23-33 Vdc   40V/ 500ms
100V/ 50ms
±250V/μs 
EN 50155 24Vdc 16.6-30 Vdc 14.4V/ 100ms 33.6V/ 1000ms  
RIA12 24Vdc 16.6-30 Vdc 14.4V/ 100ms 36V/ 1000ms
84V/ 20ms
 
NF F 01-510 24Vdc 18-34 Vdc 12V/ 100ms 40V/ 100ms  

 

The MCF series offers active input over-voltage protection which clamps over-voltages for maximum 50ms up to 100V to a safe level of 40V and absorbs +/-250V spikes with the internal protection circuits. By connecting the MCF module with a few additional MLCCs, its internal EMI filter meets MIL-STD 461G limits. Besides, it also features other active protection functions for an advanced protection of the DC/DC converter module such as remote on/off control, overload protection, output short-circuit protection, reverse polarity protection, inrush current limitation, etc.

[New] Highly Integrated DC/DC Front-end Filters for Defense and Railway Applications

The MCF filter module is a fully integrated front-end module. In addition to complying with MIL-STD 1275D and MIL-STD 461G, it also fulfills the EN 50155, 

RIA 12 and NF F 01-510 standards for rolling stock 24V bus systems. It greatly reduces the time to design the EMI-filter and peripheral circuits, save system space and provide a comprehensive system protection.

The MCF filters meet the environmental MIL-STD 810F specification for shock and vibration. The operating temperature range of -40°C to 105°C (optionally -55°C) allows to use these MCF filters with P-Duke DC/DC converters in a wide range of demanding applications.

 

The MCF modules are especially designed for military and rolling stock applications. Together with P-Duke COTS DC/DC converters, a significant cost saving is offered compared to using traditionally developed military DC/DC converters in the power range of up to 250W.

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