34566-2003

Heilind Number:	MOL34566-2003
Manufacturer:	Molex
Manufacturer Number:	34566-2003
Datasheet:	Drawing
ECAD Model:

Description:

2.54mm Pitch, MX123 Female Receptacle Housing, Keying Option H, Wire Dress Option 9, 80 Circuits, Gray TPA

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Specifications

Attribute	Value
Product Category:	Pin & Socket Housings & Contacts Pin & Socket Housings
Manufacturer:	Molex
Manufacturer Part Number:	Molex 34566-2003
Color:	Gray
Series:	34566 - MX123
Amperage:	11 A, 25 A
Connector Type:	MX123
Gender:	Receptacle
Housing Material:	Nylon
Number of Contacts:	80
Number of Rows:	4
Pitch:	2.54 mm
Material:	Nylon
Keying:	Yes
Packaging:	Tray
Operating Temperature Range:	-40 - 125 °C
Circuit Application:	Power
Polarized to Mate:	Yes
Connector System:	Wire to Board
Termination Pitch:	2.54 mm
Glow Wire Capable:	No
Lock to Mating Part:	Yes
Stackable:	No
Part Aliases:	0345662003
Contact Detail:	80
SKU:	MOL34566-2003

Detailed Description

Easily power your devices with our MX123 series receptacle connector, featuring a sleek gray design. Constructed with durable nylon housing and 80 contacts across 4 rows, this connector ensures secure and efficient performance. With an amperage rating of 25 A and 11 A, it's suitable for various power applications. The 2.54 mm pitch and wire-to-board termination make installation a breeze, while keying and polarization features guarantee proper mating. Operating reliably in temperatures ranging from -40 to 125 °C, it's a versatile solution for demanding environments. Meeting RoHS compliance and offering a secure lock to the mating part, this connector prioritizes both performance and safety. Perfect for use in a wide range of industries, it's a valuable addition to any project.

Product Change Notice

Effective Date	Description of Change	Download
04/15/2026	517169 - End of Life. LTB 9/30/25	Download
09/30/2025	516520 - Equipment Transfer, Production Transfer or Rearrangement. Molex has created this PCN to group the complete Mx123 Large footprint series together for better control over implementation. Previously the part numbers were mentioned in the transfer PCN's 514557 & 514558 and due to strategy they were retracted (516511). The molds are transferred from Lincoln, USA. The assembly line is already in Guad 2. China will continue support the EU/Asia demand.	Download
05/02/2025	516742 - Retraction of 513492. This retraction is to annunce that this PCN “513492” did not take place and Molex continues with the same compounder.	Download
02/28/2025	516511 - Partial Retraction of PCN 514557 & 514558. in these PCNs communication on 11/2023 will maintain the small footprint series whic is already in production at guadalajara site 2 plant we will create a new pcn (516520) in which we will manage the MX123 large footprint series and its implementation plan.	Download
09/02/2024	514558 - Equipment/Production Transfer or rearrangement. This notification is to inform you that will be move molds and Assy line transfer. This PCN will move from Chengdu, China to Guadalajara, Mexico (site 2) and it was made to provide the best delivery to locally production products. We are starting these transfers in later Q3 2024. No product changes will be made as part of this change.	Download
07/21/2023	513492 - Change Supplier. This letter is to inform you that in order to re-balance global supply chains, Molex will qualify a new compounder location to be used by the existing resin supplier.	Download
08/17/2022	512449 - Retraction of PCN 510937. retraction is due to the project not moving forward at this time, the compounding location for SPS/PA66 grade material will not be moving from the current sub-supplier. if it is deemed that this project will again move forward at a later date a new PCN will be created & sent to impacted customers.	Download
08/11/2014	GCM 10622037 - Product Component Change.	Download