34566-0303
2.54mm Pitch, MX123 Female Receptacle Housing, Keying Option C, Wire Dress Option 0, 73 Circuits, Blue TPA
Part Aliases: Molex 0345660303
The 34566-0303, a high-performance connector designed for power applications. This blue MX123 receptacle features a durable nylon housing and is rated for 25A and 11A. With 73 contacts arranged in 4 rows and a pitch of 2.54mm, it offers reliable connectivity in a compact design. Engineered for versatility, this connector is polarized for easy mating, with a secure lock to the mating part. RoHS compliant and operating temperature range of -40 to 125°C, it ensures safety and reliability in a variety of environments. Perfect for wire to board applications, the 34566-0303 is a dependable solution for your power connectivity needs.
Product Category: | |
Manufacturer: | Molex |
Manufacturer Part Number: | Molex 34566-0303 |
Color: | Blue |
Series: | 34566 - MX123 |
Amperage: | 11 A, 25 A |
Connector Type: | MX123 |
Gender: | Receptacle |
Housing Material: | Nylon |
Number of Contacts: | 73 |
Number of Rows: | 4 |
Pitch: | 2.54 mm |
Material: | Nylon |
Keying: | Yes |
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: | 0345660303 |
Contact Detail: | 73 |
SKU: | MOL34566-0303 |
Environmental Initiative Details
Environmental Initiative: | RoHS |
---|---|
Compliant: | Unknown |
Date of this Information: | Unknown |
Notes: |
Product Change Notice
Effective Date | Description of Change | 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 | 514557 - Equipment/Production Transfer or rearrangement. his notification is to inform you that Molex will be move molds and assembly line transfer. This PCN will move from Lincoln, Nebraska 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 |
01/05/2024 | 514647 - Retraction of PCN 512047. This a retraction PCN for the part numbers mentioned from PCN 512047. These parts number will be part of Phase 3 for series MX123 and were repeated in another PCN(514557). The intention is to have each part number in one PCN for customer visibility and clarity. | 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 |
12/24/2022 | 512047 - Equipment Transfer, Production Transfer or Rearrangement. This notification is to inform you about an equipment transfer that has been used to manufacture impacted part(s). Equipment has been moved to different site/ location/ premises. No changes will be made to product as part of this change. | 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 |
07/29/2022 | 510937 - Change Supplier. in efforts to mitigate the supply risk of resin material our current supplier for SPS/PA66 grade of material will be transitioning to a new Sub-Supplier fir compounding. | Download |
08/01/2020 | 508485 - Warehouse transfer. moving from Lincoln (duns# 967495487) to Bolingbrook (Duns# 103340709) | Download |
09/22/2014 | GCM 10649862 - New, Modified, Or Replacement Tooling. | Download |
08/11/2014 | GCM 10622037 - Product Component Change. | Download |