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What does the ``B`` suffix designate at the end of the catalog of a control power transformer, for example, 9070 TF50D1B?

Issue:
Control power transformer suffixes

Product Line:
Transformers

Environment:
Industrial control transformers

Resolution:
The B suffix designates bulk packaging, and the number afterward indicates the number of units in a bulk package. Typically used for regular shipments to our distributors or OEMs.