| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 34566-0203 |
| Color: | Gray |
| 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: | 0345660203 |
| Contact Detail: | 73 |
| SKU: | MOL34566-0203 |
34566-0203
| Heilind Number: | MOL34566-0203 |
| Manufacturer: | Molex |
| Manufacturer Number: | 34566-0203 |
| Datasheet: | Packaging Specifications |
| ECAD Model: | |
Description:
2.54mm Pitch, MX123 Female Receptacle Housing, Keying Option B, Wire Dress Option 0, 73 Circuits, Gray TPA
More >>Specifications
Detailed Description
Stay organized and efficient with this gray MX123 series receptacle, featuring 73 contacts arranged in four rows for optimal connectivity. With an amperage rating of 25 A for power and 11 A for signal, this connector is versatile and reliable. Constructed with durable nylon housing and designed for wire-to-board applications, it ensures secure and stable connections. With a pitch of 2.54 mm and operating temperature range from -40 to 125 °C, it is suitable for a wide range of environments. Polarized for easy mating and featuring a locking mechanism, it provides added safety and security. Meeting RoHS compliance, it is also environmentally friendly. Perfect for various electronic projects, this connector is a must-have component for any professional or DIY enthusiast.
Frequently Bought Together
| Product | Part # | Description | Stock |
|---|---|---|---|
 | Molex 19164-0081 | Perma-Seal Ring Tongue Terminal for 8 AWG Wire, Stud Size 1/4 (M6) |  |
 | Molex 33001-5002 | MX150 Female Terminal Sealed, Silver Plating, 18 and 20 AWG, Left Reel Payoff | |
 | Molex 33467-0004 | 2.54mm Pitch MX64 Terminal, Gold (Au) Plating, 22 AWG, Left Reel Payoff, Also used with MX123 Female Receptacle Housing | |
 | Molex 33467-0006 | 2.54mm Pitch MX64 Terminal, Gold (Au) Plating, 18-20 AWG, Left Reel Payoff, Also used with MX123 Female Receptacle Housing | |
 | Molex 33472-1206 | MX150 Sealed Female Connector, Dual Row, 12 Circuits, Polarization A, with Connector Position Assurance, Black | |
 | Molex 33472-4806 | MX150 Sealed Female Connector, Dual Row, 8 Circuits, Polarization A, with Connector Position Assurance, Black | |
 | Molex 34345-0001 | MX 150 Cavity Plug Sealed | |
 | Molex 34565-0003 | MX123 73/80 Circuit Dress Cover | |
 | Molex 34566-0103 | 2.54mm Pitch, MX123 Female Receptacle Housing, Keying Option A, Wire Dress Option 0, 73 Circuits, Black TPA | |
 | Molex 34566-0303 | 2.54mm Pitch, MX123 Female Receptacle Housing, Keying Option C, Wire Dress Option 0, 73 Circuits, Blue TPA | |
 | Molex 34575-0003 | MX123 49/56 Circuit Dress Cover | |
 | Molex 34576-0703 | 2.54mm Pitch, MX123 Female Receptacle Housing, Keying Option G, Wire Dress Option 0, 56 Circuits, Blue TPA | |
 | Molex 34586-0001 | MX123 0.64mm Grommet Seal Plug | |
 | Molex 34770-0402 | MX150 Mat-Sealed Female Connector Assembly, Single Row, 4 Circuits, Keying Option B, with Connector Position Assurance, Light Gray | |
 | Molex 34822-0013 | 2.54mm Pitch, MX123 Female Receptacle Housing, Keying Option A, Wire Dress Option 0, 66 Circuits, Black TPA | |
 | Molex 42817-0011 | Mini-Fit Sr. Crimp Terminal, Male, 10-12 AWG, Tin (Sn) | |
 | Molex 50-57-9403 | SL Crimp Housing, Single Row, Version G, Positive Latch, 3 Circuits, Black | |
 | Molex 64318-1018 | .635mm, 1.50mm, 2.80mm, Power CMC Connector, 28 Circuits, Left Wire Output, Gray Coding, Mat Sealed | |
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 | 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 | |||
| 10/06/2017 | 502808 - Equipment Transfer, Production Transfer or Rearrangement. This letter is to inform you that production of the part(s) identified in this notice are being moved to a different production or shipping location. No changes will be made to the product as a result of this move. | Download | |||
| 10/15/2015 | GCM 10685958 - New, Modified, Or Replacement Tooling. | Download | |||
| 10/01/2015 | GCM 10706555 - New, Modified, Or Replacement Tooling. | Download | |||
| 05/11/2015 | GCM 10682374 - New, Modified, Or Replacement Tooling. | Download | |||
| 09/22/2014 | GCM 10649862 - New, Modified, Or Replacement Tooling. | Download | |||
| 08/11/2014 | GCM 10622037 - Product Component Change. | Download | |||
Availability
Immediate Shipment:
Call
Stock Location:
In Stock
Factory Stock:
Call for Stock
Factory Lead:
Call
Unit Of Measure:
Each
Minimum/Multiple:
1/1
Invalid quantity value
Documents & Media
Environmental & Export Classifications
| Attribute | Value |
|---|---|
| RoHS Compliant: | Unkown |
Additional Resources
| Attribute | Value |
|---|---|
| Molex: | 34566-0203 |
| Other Names: | 0345660203 |