- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for MD-40SM
- Part Number MD-40SM
- Manufacturer Same Sky
- Pin Count 7
- Part Category Connector
- Package Category Other
- Footprint Name Other - MD-40SM-1
- Released Date Sep 5, 2019
- Last Modified Date May 20, 2026 3:53 PM UTC
- Pinout / Pin List Click Here (Member Only)
MD-40SM Details
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Manufacturer Part Number:
MD-40SM
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Rohs Code:
Yes
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Part Life Cycle Code:
Transferred
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Country Of Origin:
Mainland China
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ECCN Code:
EAR99
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HTS Code:
8536.69.40.20
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Manufacturer:
Same Sky
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YTEOL:
8
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Connector Type:
MINI DIN CONNECTOR
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Contact Finish Mating:
NOT APPLICABLE
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Contact Finish Termination:
Silver (Ag)
MD-40SM Frequently Asked Questions (FAQs)
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CUI Devices recommends a 4-layer PCB with a solid ground plane and a separate power plane for the DC-DC converter. The input and output capacitors should be placed close to the module, and the output voltage sense lines should be routed away from the input and switching nodes.
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Ensure good airflow around the module, and consider adding a heat sink or thermal interface material to the module's case if operating in high-temperature environments. Also, follow the recommended derating curves for output power and ambient temperature.
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CUI Devices recommends using a low-ESR, high-frequency ceramic capacitor (e.g., X7R or X5R dielectric) with a value of 10-22 μF, depending on the input voltage and ripple requirements.
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Yes, the MD-40SM can be used in redundant or N+1 configurations. However, ensure that the modules are synchronized to prevent beat frequencies and that the output voltage sense lines are connected to a single point to prevent voltage differences between modules.
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Check the input voltage, output load, and ambient temperature. Verify that the module is properly soldered and that the PCB layout follows the recommended guidelines. Use an oscilloscope to monitor the input and output waveforms, and consult the datasheet and application notes for troubleshooting guides.
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MD-40SM Overview
Use the download button to access the MD-40SM schematic symbol, PCB footprint, and 3D model.
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About Same Sky
CUI Devices is an electronic components manufacturer that specializes in audio components, interconnects, motion, relay, switch and thermal management solutions. The company designs and manufacturers components for use in a wide range of industries that include aerospace, industrial, medical, and telecommunications.
CUI Devices is headquartered in Lake Oswego, Oregon.