New Semicoa Ceramic Package for Surface Mounting of JANS diodes

Semicoa and their ceramic package

Semicoa is a supplier that design and development of bipolar power devices for high-reliability military, defense, aerospace, and space applications for 50 years.

Recently, has announced a new ceramic surface mount package called UMC, for their ultrafast rectifiers diodes from MIL-PRF-19500/477. The new UMC package improves the traditional glass melf packages in these aspects:

• Pick and place friendly
• Fully laser marked part-number, date code, serial number
• Cathode identification clearly visible
• Positive verification of solder attach through the use of castellations
• Near zero CTE mismatch
• A ceramic lead ensures hermeticity to the fine leak level

Versus problems in traditional glass melf packages:

• Difficult automatic pick and place
• No marked serial number on the part
• Lack of hermeticity
• Possibility of crack the glass

The JANS1N5806UMC, JANS1N5802UMC, JANS1N5804UMC ultrafast rectifiers diodes are now qualified on the DLA’s Land and Maritime QPL-19500.

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