64 KB nonvolatile program memory for S7-300, C7 and ET 200 automation systems.
Siemens 6ES7953-8LF31-0AA0 is a SIMATIC S7 Micro Memory Card for S7-300, C7 and ET 200 systems. It provides 64 KB of 3.3 V nonvolatile Flash-EPROM storage for program and configuration data. The card is intended for controllers and distributed I/O products whose Siemens documentation explicitly lists this memory format and capacity.
| Manufacturer | Siemens |
|---|---|
| Complete Part Number | 6ES7953-8LF31-0AA0 |
| Product Type | SIMATIC S7 Micro Memory Card |
| Product Lifecycle | PM400: Announcement of product phase-out; product phase-out since 01.10.2023 |
| Memory Capacity | 64 KB |
| Country of Origin | Germany |
| Parameter | Official Specification |
|---|---|
| Product designation | Micro Memory Card |
| System families | SIMATIC S7-300, C7 and ET 200 |
| Rated operating voltage | 3.3 V |
| Memory technology | Flash-EPROM |
| Memory capacity | 64 kbyte |
| Write/delete operations | Minimum 100,000 |
| Data retention | Minimum 10 years after final programming |
| Width | 24 mm |
| Height | 32 mm |
| Depth | 1.4 mm |
| Approximate weight | 2 g |
| Packaging quantity | 1 piece |
The card is used to retain program and configuration data in compatible SIMATIC S7-300 CPUs, C7 devices and ET 200 products. It supports replacement and maintenance work where the installed device requires the exact 64 KB Micro Memory Card article number.
Confirm the full 6ES7953-8LF31-0AA0 suffix, required 64 KB capacity, 3.3 V card type and the target CPU or interface module documentation. Higher-capacity SIMATIC memory cards must not be treated as automatic replacements.
Siemens lists 6ES7953-8LF31-0AA0 as PM400: Announcement of product phase-out, with product phase-out effective since 01.10.2023. Confirm current service availability and the installed device requirement before procurement.
It is a 64 KB SIMATIC S7 Micro Memory Card for supported S7-300, C7 and ET 200 products.
It uses nonvolatile Flash-EPROM memory.
The exact article provides 64 kbyte of memory.
Siemens specifies a minimum of 100,000 write/delete operations.
Siemens specifies a minimum retention period of ten years after the final programming action.
Check the complete suffix, 64 KB capacity, 3.3 V requirement and compatibility with the exact installed CPU or ET 200 device.
Contact Stockoems for availability verification, compatibility review, worldwide delivery coordination and documented warranty terms.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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We verify the full 6ES7953-8LF31-0AA0 suffix, product version and package details before order confirmation.
Our team compares the installed system, required interface and Siemens documentation for SIMATIC S7 Micro Memory Card.
Packing, shipment options, warranty terms and export documentation are coordinated for the destination.
Share the equipment model, destination and required quantity for a focused review of 6ES7953-8LF31-0AA0.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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