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For a purchasing manager dealing with discontinued Mitsubishi servo drives, what's your strategy for identifying compatible alternatives while avoiding the trap of 'close enough' parts that cause production headaches?

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As a purchasing manager facing discontinued Mitsubishi servo drives, I'd approach this strategically to avoid the 'close enough' trap that can derail production. First, I'd gather complete technical specs from the original equipment - torque curves, voltage requirements, speed ratings, and communication protocols. Then I'd cross-reference with Mitsubishi's official migration paths, like their MR-J3 to MR-J4 transition programs. I'd verify compatibility through multiple channels: checking with authorized distributors, consulting technical support teams, and using cross-reference databases. The key is testing potential replacements in non-critical applications first, rather than risking production downtime. I'd also build relationships with reliable suppliers who can provide genuine parts and technical validation. Most importantly, I'd document everything - successful substitutions, compatibility issues, and performance data - to create a reliable replacement strategy that prevents future production headaches.

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