What is decoupled lead time in SAP PP-DD - Demand-Driven Replenishment?

SAP Term: decoupled lead time

• Component: PP-DD

• Component Name: Demand-Driven Replenishment

• Description: A sum of the longest lead times of non-buffered products in a sequence headed by a buffered product in a BOM, adding up to a cumulative lead time for the buffered product.

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• Key Concepts: 
  Decoupled lead time is a concept used in the SAP PP-DD Demand-Driven Replenishment component. It is the time between when a demand is created and when it is fulfilled. This lead time is decoupled from the replenishment cycle, meaning that it can be adjusted to meet customer needs without disrupting the replenishment cycle. 
  
  How to use it: 
  The decoupled lead time can be adjusted in the SAP PP-DD Demand-Driven Replenishment component. This can be done by setting the lead time for each demand type, such as customer orders, production orders, and forecasted demand. The lead time can also be adjusted for each individual item or product. 
  
  Tips & Tricks: 
  When adjusting the decoupled lead time, it is important to consider the impact on other parts of the supply chain. For example, if the lead time for a particular item is shortened, it may cause delays in other parts of the supply chain. It is also important to consider customer needs when adjusting the lead time. 
  
  Related Information: 
  The decoupled lead time is closely related to other concepts in SAP PP-DD Demand-Driven Replenishment, such as safety stock and replenishment cycles. It is important to understand how these concepts interact with each other in order to optimize inventory levels and ensure customer satisfaction.