myMectronic
myMectronic

A Premier B2B Part Search

MOLEX 345661303 Sealed Connection System

The MX123 Sealed Connection System features a 2.54mm pitch female receptacle housing designed for reliable wire-to-board connections with 73 circuits. Made from durable nylon resin, it offers excellent voltage and current ratings, operating within -40°C to +125°C. This sealed, keying option A, and wire dress configuration ensures secure mating and environmental protection. Suitable for power and signal applications, it complies with RoHS, REACH, and halogen-free standards, making it ideal for harsh environments requiring safety and durability in electronic assemblies.

Authorized Distributors
Source:Newark
Part No:34566-1303
Stock:27
Inv Date:05-29-2026
Price: Unit price: $7.73
Buy/RFQ:
Part No:34566-1303
Stock:0
Inv Date:05-30-2026
Price: N/A
Buy/RFQ:
Part No:34566-1303
Stock:0
Inv Date:05-29-2026
Price: Unit price: $13.03
Buy/RFQ:

MOLEX 345661303 Sealed Connection System Specifications:

  • Pitch - Mating Interface: 2.54mm
  • Circuits: 73
  • Color - Resin: Black
  • Gender: Receptacle
  • Material - Resin: Nylon
  • Net Weight: 50.423 grams
  • Operating Temperature Range: -40°C to +125°C
  • Current - Maximum per Contact: 11.0A, 25.0A
  • RoHS and REACH compliant
  • Halogen-Free: Yes
  • Wire Dress Option: 9
  • Lock to Mating Part: Yes
  • Polarized to Mating Part: Yes
  • Packaging Type: Tray
  • Series: MX123
  • Application: Power, Wire-to-Board
  • Reference Drawing Numbers: PS-34566-0000-001, TS-34566-002-001

Buy the Buy Molex MX123 Part Number 345661303 Online

Purchase the Molex MX123 sealed connection system online today for your power and signal fabrication needs. Featuring 73 circuits at a 2.54mm pitch, it offers excellent environmental resistance, high current ratings, and RoHS compliance. Made from durable nylon, it withstands temperatures from -40°C to +125°C, making it suitable for harsh environments. The keying and lock features guarantee secure mating, while the tray packaging simplifies inventory management. Trust Molex for quality, safety, and dependable performance in your electronic assemblies.

Order your Molex Series MX123 345661303 sealed connection system today and ensure reliable, environmentally compliant wire-to-board connections for your projects.

Frequently Asked Questions

Where can I buy MOLEX 345661303?

You can click on the BUY or RFQ button to purchase 345661303 from an authorized MOLEX distributor.

How do I troubleshoot issues or seek technical support for part 345661303?

You can download the 345661303 datasheet or visit the MOLEX website for support.

Who is the manufacturer of 345661303?

MOLEX

MOLEX Part List

Browse and search other MOLEX parts, locate datasheets and stock

Sponsored by