Installation – Small Diameter Circular Connectors

EESeal® EMI Filter Installation For Small Diameter Circular Connectors

The design and construction of EESeal® FilterSeals makes them easy to install by hand, without special tools, but care is needed to ensure proper insertion.

View Printable Installation Instructions for Small Diameter Circular Connectors

Not the right connector type? View instructions for Circular Connectors, DSub Connectors or MDM Connectors.

Step 1: Which side is UP?

If your EESeal® has a blank side with no printing on it, the blank side is up and visible once the EESeal® is inserted. If your EESeal® has the EESeal® Logo, the side with the logo will be visible once the EESeal® is inserted.

Important Note: It is imperative that the EESeal® be inserted “right side up”. Failure to do so will prevent the EESeal® from working as it’s intended to, and may cause functional problems.

Step 2: Orient the EESeal®

If there is a small indexing mark present at the top of the EESeal®, align it with the keyway and/or the red dot on the connector shell. Otherwise, use the pin numbers/letters on the EESeal® to align the EESeal® with the appropriate pins on the connector.

Important Note: It is imperative that the EESeal® be inserted so its pinholes are aligned with the matching pins in the connector – pin A to pin A, or pin 1 to pin 1, and so on. Your EESeal® may have a different treatment for each pin, and proper orientation will ensure each pin gets the correct circuit connection.

Step 3: Insert the EESeal®

With the EESeal® logo facing away from the male connector, place the EESeal® over the opening of the connector shell. Using your fingertip, gently press the EESeal® into the connector shell. If necessary, gently use a dull probe to straighten the EESeal® in the shell. Use the rubber strip provided to make minor rotational corrections to the position of the EESeal® and to gently press the EESeal® down toward the tips of the pins. Continue using the rubber strip to press the EESeal® onto the tips of the pins. Make sure the pins go through the pre-existing holes in the EESeal® and do not pierce through the EESeal® material itself.

Step 4: Seat the EESeal®

The EESeal® can be fully inserted and permanently seated by simply mating the connector pair. Do not use your finger or any tool to seat the EESeal®, doing so may cause damage to the EESeal®. Now check the EESeal® to ensure it is flat at the bottom of the connector, with no folds along its edge or interior. It should appear like it belongs there. If you notice anything unusual, please contact us.


Please call (505) 243-1423 or email EESeal@Quell.US for help.

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