Bourns® Model AA Series Mini-BreakerThermal Cutoff Devices to be Discontinued

Model AA Series Mini-Breaker Thermal Cutoff Devices to be Discontinued

- REVISED OCTOBER 4, 2023 -

Riverside, California – February 7, 2023 – In accordance with our ongoing product life cycle management procedure, Bourns will transfer the Model AA Series Mini-Breaker Thermal Cutoff Devices to an End of Product Life status on December 29, 2023. A lack of sales volume and diminishing demand necessitates this action.

Provided below, and listed across from the obsolete part numbers, are the recommended replacement part numbers from the Model AC Series. The form, fit and function of the suggested replacement model series are not identical to the obsolete model series. However, the specifications of the suggested replacement Model AC Series are likely to be substitutable in typical applications. Please refer to Bourns’ data sheets for more information about the similarities and differences between the discontinued part numbers and the recommended replacement part numbers.

Obsolete Part Numbers

• AA72A10

• AA72AB0

• AA77A10

• AA77AB0

• AA82A10

• AA82AB0

• AA85A10

• AA85AB0

• AA-LAB1 DESIGN KIT

Recommended Replacement Part Numbers

• AC72A1D

• AC72ABD

• AC77A1D

• AC77ABD

• AC82A1D

• AC82ABD

• AC85A1D

• AC85ABD

• --

Customers may continue to purchase these part numbers during the End of Product Life transition period between now and December 29, 2023. Orders for these discontinued products during this End of Product Life transition period will be considered noncancellable. Products purchased during this End of Product Life transition period will be considered nonreturnable and will be covered by Bourns’ standard warranty.

Please plan for the following deadlines:

Last time buy date: December 29, 2023

Last time ship date: March 29, 2024