Generally speaking, the size of the fiber attenuator is the same as the size of the optical fiber adapter, but it is still worried that some manufacturers do not produce according to the standard, so it is best to confirm the size of the fiber optic attenuator with the suppliers of manufactures before purchasing. The following is the standard optical attenuator dimension.
Dimension of male to female fc attenuator
Be care of dimension M8, some factories make this dimension to M6, most of rest dimension is same.
Dimension of male to female sc attenuator
When buy SCattenuator, please note there is plastic and metal types, normally the dimension is same, but need to be care dimension of 36mm.
Dimension of male to female st attenuator
Please be care of the hole for st attenuator, the dimension should not be large than 8.3mm, otherwise the attenutor can’t be assemble into the box.