The DS 1990A-F5 is a Touch Memory electronic key featuring a unique 48-bit serial number. It is compatible with iButton standard systems and fits securely in its holder. This identifier is built for reliable use in access control and other secure identification applications.
Operating within a wide temperature range, the DS 1990A-F5 ensures consistent performance under various conditions.
DS 1990A-F5 red 260654 is listed to help buyers compare fit, application, and installation context before ordering.
Compare the listed details with the wiring method, enclosure needs, mounting style, and site requirements.
Within Identifiers, this product can be reviewed together with similar parts and accessories.
For new installations, review the equipment schedule, site conditions, and related accessories before choosing the final item. That extra check is useful for contractors, maintenance teams, and technical buyers evaluating DS 1990A-F5 red 260654 under project deadlines.
Reviews: 1
Average score: 5
Installer
05/11/2025
The DS 1990A-F5 red key integrates smoothly with existing iButton access control systems on site. Its compact design fits well within the standard holders we use, and the unique 48-bit serial number provides reliable identification. It performed consistently across temperature variations during our field tests, making it a practical choice for secure access applications in varied environments.
Questions: 3
Safsale Product Desk
08/05/2026
Can this item be considered for replacement planning?
The administration's response:
This item can be considered during replacement planning when the full model number, dimensions, ratings, and connection details match the existing part record. For critical equipment, review the datasheet and project notes before purchase because similar models may have small specification differences.
Safsale Product Desk
19/01/2026
Which product details should be compared first?
The administration's response:
Start with the complete model number, product category, physical size, listed rating values, and any manufacturer notes shown in the datasheet. These details help separate this item from similar catalog entries before a final order is placed.
Safsale Product Desk
30/05/2025
Can similar-looking models have different specifications?
The administration's response:
Yes. Similar model names can still differ by size, rating, mounting style, finish, connector detail, or revision number. Compare the complete product reference and datasheet details before treating two catalog items as interchangeable.
