PCN/PDN/NRND Information ｜Chip One Stop - Mail order site for electronic parts and semiconductors

PCN/PDN/NRND Information

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

Notification Date	Notification Type	Notification Information
2023/02/06	PCN(Product Change Notice)	ST25R3911B-AQFT DUAL SOURCE
2023/07/14	PCN(Product Change Notice)	ST25R3911B-AQFT dual source
2024/02/12	PCN(Product Change Notice)	Supplier Notice No.:MDG/23/13925 Title: Addendum to the PCN 13925 What is the change? Following the implementation of PCN 13925, the pin 1 orientation in carrier tape of the ST25R3911-AQFTchanged from top left used at KYEC to the standard JEDEC pin 1 top right already implemented in UTAC. 25R3911BAQFTYTKC New FG: 25R3911BAQFTYTUC 25R3911BAQFTYAUC Why? The strategy of STMicroelectronics Connected Security division is to be compliant to the JEDEC standards. What is the impact of the change? - Form: ST25R3911B-AQFT placement is rotated 90° clockwise in the carrier tape compared to earlier production to follow JEDEC standard (no change on the IC itself):
2025/09/08	PCN(Product Change Notice)	PCN No.:EMBEDDED PROCESSING/25/15829 Change Desc.:ST25R3911B QFN32 package changes Motivation: Assembly flow optimization Intended start of delivery: 2025-09-08
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PCN/PDN/NRND Information

Notification Type

Notification Information

Notification Date

Products subject to notification

Manufacturer	Manufacturer Part Number	Last Time Buy	Successor Products

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*3 Only available in China Mainland and Hong Kong.

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About Icons/Product Information

Inventory Information ▼

: JP:Japan, HK:Hong Kong, US:United States
EU:Europe, AUS:Australia, Asia:Asia, NA:North America

Supplier Information ▼

: Sourced from manufacturers and authorized distributors

: Stocks of semiconductor sourced from authorized distributors

Product Information ▼

MOQ/SPQ

MOQ：: Minimum purchase quantity that can be ordered.
Please enter a number greater than the MOQ when ordering.

SPQ：: Number of units that can be ordered.
Please enter a quantity in multiples of the SPQ when ordering.

Reel Processing
It is a service that connects empty tape to both ends of a tape cut using a special tool, set the reel, and rewind it into the packaged form for delivery. It is made so that it can be set as is to a mounting machine. Processing is available from 100 pieces or more.
PCN/PDN Information
Information displayed when specification changes in PCN information (Product Change Notification) or PDN information (Product Discontinuance information) available.
For details regarding product specification changes or discontinuation, please ensure to check the manufacturer's official website.

Package type▼: Bulk:
Bulk is a package which the separete parts are packed in a bag, or packed individually.
Tape & Reel:
Tape & Reel is the unmodified original reel received from the manufacturer.
In case the MOQ is smaller than the manufacturer's standard package quantity, it will be cut tapes even if the package is shown as "Tape & Reel".
Cut tape:
Cut tape is a tape cut from an original reel. Cut tape does not contain a leader or trailer.
If you require a one continuous cut tape, please put your comment on your remarks.
For our supplier's stock, we are unable to ensure that the package will be one continuous cut tape even if you put your remark.

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Product Information ▼

: New Products released by manufacturers within 1 year

: New Products on Chip One Stop website within 3 months

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