Micro MemoryCard 6ES7953‑8LG31‑0AA0 SIMATIC S7 micro memory card for S7‑300/C7/ET 200 systems. Operates at 3.3 V using N‑flash technology, with 128 KB capacity. Offers ≥100 000 write/erase cycles and ≥10‑year data retention. Compact dimensions of 24 × 32 × 1.4 mm; weight ≈ 2 g. Ideal for reliable backup and storage of PLC programs and configurations.
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