Product Overview

Siemens 6ES7951-0KF00-0AA0 is a short-design memory card for SIMATIC S7-300 automation systems. The exact order number uses 5 V Flash-EPROM technology with a capacity of 64 kbyte. Siemens identifies it as a spare part, making full order-number and CPU compatibility checks essential for replacement procurement.

The card is intended for program and data storage in S7-300 configurations designed for the MC951-style short memory-card format. It must not be confused with S7-300 Micro Memory Cards or longer S7-400 memory cards.

Commercial Status

Verified Technical Data

System Fit and Applications

Compatibility and Procurement Checks

• Match the complete order number 6ES7951-0KF00-0AA0, including every suffix.
• Confirm the installed CPU accepts the short-design 5 V S7-300 memory-card format.
• Do not substitute a SIMATIC Micro Memory Card or an S7-400 long-format card by appearance.
• Verify that 64 kbyte capacity is sufficient for the installed program and data.
• Back up and identify the current program before replacing or commissioning the card.
• Inspect the label, edge connector and housing condition during procurement review.

Lifecycle Note

The exact Siemens technical documentation identifies 6ES7951-0KF00-0AA0 as a spare part but does not state an exact PLM lifecycle category. No Active, Product Cancellation, Obsolete or Discontinued classification is assigned without manufacturer wording for this complete order number.

Frequently Asked Questions