M641 Series
  • DC/DC Converter
  • Nine Output Up To 250W
  • Input: 18 to 70VDC
  • EMI Filters Included
  • Miniature Size
  • Fixed switching frequency (250 KHz)
  • Operating Temperature: –55°C to +90°C
  • Designed to Meet: MIL-STD-461, MIL-STD-704, MIL-STD-810, MIL-STD-1275
Standard - Select from the following list of common model configurations and request a quote.
M641-10018-70VDC5V @ 5A16.5V @ 1A15V @ 2A15V @ 2A18V @ 0.7A18V @ 0.7A30V @ 1A45V @ 0.6A 45V @ 0.6A
Additional Configurations *
Designed to Spec **
* Additional Configurations - We can calibrate or customize any aspect of this device to your requirements, typically without NRE. Please contact us to learn more about available options.
** Designed to Spec - Challenge us with your requirements. No matter how complex, we will design and deliver the exact power conversion solution for your needs.

About the M641 Series

The M641 Series DC/DC converters feature a miniature, high density, nine output design and delivers up to 250W. Additional special features include a wide input range, an efficiency of 75% (typical) and operating temperature of -55°C to +90°C. Input / output isolation, fixed switching frequency (250KHz) and included EMI/RFI filters are standard features. Designed to meet: MIL-STD-461, MIL-STD-704, MIL-STD-810 and MIL-STD-1275 this is the ideal unit for military, rugged, telecom and demanding industrial applications.   

(All specifications are factory configurable by a design engineer.) 

Model Input Power (WxDxH) Weight
M641 18 to 70VDC Up to 1250W 203.0mm x 146.0mm x 20.5mm 1120 gr
Per Output Voltage Max Current    
Output #1 5VDC   5A    
Output #2 16.5VDC 1A    
Output #3  15VDC 2A    
Output #4 -15VDC  2A    
Output #5 18VDC  0.7A    
Output #6  -18VDC 0.7A    
Output #7 30VDC 1A    
Output #8 45VDC 0.6A    
Output #9 -45VDC 0.6A    


All of our products can be configured to your specific requirements. Customers are invited to work with a design engineer to define the output, input range, protection limits and dimensions of the power solution which best meets their project needs. This can frequently be accomplished without NRE. Use the contact form to submit a request, or contact us at +91 - 124 - 6510010 to discuss your requirements. Configurations created for specific requirements will be assigned a new variant part number.

Multisphere Power Solutions Pvt. Ltd.

Plot # 112, Sector-4, IMT Manesar
Haryana, Gurgaon-122050
Phone: +91 - 124 - 6510010
Fax: +91 - 124 - 4236010
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