The DS 1990A-F5 blue (Model 260652) is an electronic Touch Memory key used for identification purposes. It features a 48-bit unique serial number encoded in the iButton standard format.
Its durable construction and built-in holder make it easy to carry and integrate with access control systems. The device operates reliably within a specified temperature range suitable for various environments.
Use DS 1990A-F5 blue 260652 when matching project requirements with the equipment already specified for the job.
Confirm the practical fit with the project scope, service conditions, and manufacturer documentation.
This item appears in Identifiers, where buyers can compare related technical products for US projects.
Before purchase, confirm dimensions, ratings, connection style, and compatibility using the manufacturer documentation or project schedule. A careful match can save time during installation and reduce the risk of ordering DS 1990A-F5 blue 260652 for the wrong job.
Reviews: 2
Average score: 5
Electrical Contractor
22/01/2025
The DS 1990A-F5 blue Touch Memory key integrates seamlessly with our existing access control system. Its durable design holds up well on job sites, and the unique 48-bit serial number simplifies device tracking. The built-in holder is practical for daily use, and it performs reliably across the temperature ranges we encounter. Overall, it fits project specs and installation requirements without any issues.
Maintenance Team
22/12/2024
The DS 1990A-F5 blue keys have integrated smoothly into our existing access control system. The durable casing holds up well under daily use, and the unique serial numbers help prevent duplication issues. Temperature tolerance has proven reliable in both indoor and semi-outdoor installations. Overall, these units meet the project specs without complication.
Questions: 3
Safsale Product Desk
10/05/2025
When should Safsale be contacted before ordering?
The administration's response:
Contact Safsale before ordering when the datasheet is missing, the model number is unclear, or the product must be compared with an existing part. Extra checking is recommended when several similar variants appear in the same category.
Safsale Product Desk
06/02/2025
What should be checked before ordering this item?
The administration's response:
Compare the full model number, listed dimensions, rating values, mounting details, and connection requirements with the project documentation. When available, review the manufacturer datasheet before ordering so the item can be matched against the required specification range.
Safsale Product Desk
31/12/2024
Is the short product title enough for final selection?
The administration's response:
The short product title is not enough for final selection. Use it as a starting point, then compare the full model reference, datasheet values, dimensional notes, and any manufacturer details before placing an order.