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PCN/PDN/NRND Information

PCN (product/process change notification) and PDN (production discontinuation notification) information.

Notification Date Notification Documents Notification Type Notification Information
2022/01/26 PCN(Product Change Notice) Information on product specifications (vibration resistance)

It is described in the catalog etc. in his 6 models of our products.
We would like to inform you that we have found that the vibration resistance value specified
in the specifications cannot be satisfied.

Object model
HWS80A, HWS100A, HWS150A, HMS80, HMS100, HMS150

Specifications nonconformity
It turned out that the vibration resistance value specified
in the product specifications could not be satisfied.

measures
In order to satisfy the vibration resistance value of 2.0G of the product specifications,
the chassis part is adhesively fixed and fixed, and
Silicone fixing of chassis and internal parts.
The adhesives and silicones used are those that are also used in our other products.

When to start supplying countermeasure products
We plan to start supplying countermeasure products from January 26, 2022.
2023/07/27 PCN(Product Change Notice) Make the following changes.

(1) Fix the corners with rivets (2) Add a bend to the front face (3) Connect the rising part on the top face (4) Use studs to fix the board
・Plate thickness changed from 1.5 mm to 2.0 mm (addition of bend relief in various places to minimize changes in external shape)

(5) Add holes to the board and install resin spacers in two places (there is no change in component placement or pattern).

⑥ Delete the black dots on the label and add a hole on the side of the individual packaging box.

⑦Increase the outer shape in the outward direction by the change in chassis plate thickness
⑧Adjust the position of the mounting hole (tap) so that it does not affect the mounting.
We plan to start supplying the changed products from October 2023.
2023/10/01 PCN(Product Change Notice) Please be informed that there will be small dimension increases to TDK-Lambda’s HWS80A
and HWS100A series of AC-DC power supplies. This will take place after October 2023 and is
being implemented to improve vibration performance.
There is no change to product price, function or mounting hole locations and our current
standard safety certifications are not impacted. Note that in the Americas the HWS80A model is
not traditionally sold or offered.)
Click here for contact regarding final purchasing
PCN/PDN/NRND Information
Notification Type
Notification Information
Notification Date
Products subject to notification
Manufacturer Manufacturer Part Number Last Time Buy Successor Products

Product & Sales Information of products subject to notification

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Products: 158 out of cases/Show 1 to 25