ARJ11A-MASA-MU-2 Equivalent & Substitute Parts

Part Overview

The ARJ11A-MASA-MU-2 is a 1 Port RJ45 through-hole modular connector manufactured by Abracon LLC, designed for 10 Base-T applications. This connector features a 90° right-angle orientation with solder termination and board lock functionality. The part is currently in active production status with 686 units available in inventory. Substitute parts are identified when inventory constraints, lead time requirements, or supply chain optimization necessitate alternative sourcing while maintaining full electrical and mechanical compatibility.

Substiute Parts

ARJ11A-MASA-MU-2

Abracon LLCIn Stock: 749ARJ11A-MASA-MU-2 Datasheet

Current PartRFQ

ARJ11A-MASA-KT-2

Abracon LLCIn Stock: 1126ARJ11A-MASA-KT-2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ARJ11A-MASA-MU-2 are qualified based on strict equivalence across the following critical parameters:

• Connector Type: RJ45
• Number of Ports: 1
• Applications: 10 Base-T
• Mounting Type: Through Hole
• Orientation: 90° Angle (Right)
• Termination: Solder
• Height Above Board: 0.545" (13.84mm)
• Number of Cores per Jack: 3
• Shielding: Shielded
• Features: Board Lock
• Contact Finish: Gold
• Operating Temperature Range: 0°C ~ 70°C
• RoHS Compliance: ROHS3 Compliant
• MSL Rating: 1 (Unlimited)

The ARJ11A-MASA-KT-2 meets all substitution criteria and is classified as a manufacturer-recommended equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the ARJ11A-MASA-MU-2 and ARJ11A-MASA-KT-2 are active production parts from Abracon LLC with identical electrical and mechanical specifications. Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across global markets. The ARJ11A-MASA-KT-2 is designated as the manufacturer-recommended substitute and currently maintains higher inventory availability at 1020 units compared to 686 units for the primary part number. Selection between these parts should be based on supply chain availability and lead time requirements, as both parts are functionally equivalent for 10 Base-T through-hole applications.

Frequently Asked Questions (FAQ)

Q: Are the ARJ11A-MASA-MU-2 and ARJ11A-MASA-KT-2 electrically identical?

A: Yes. Both parts are RJ45 connectors with identical electrical specifications for 10 Base-T applications, including shielding, contact finish, and operating temperature range.

Q: Can the ARJ11A-MASA-KT-2 be used as a direct replacement for the ARJ11A-MASA-MU-2 on existing PCBs?

A: Yes. Both connectors share identical mechanical dimensions, mounting type (through hole), orientation (90° right angle), and height above board (0.545"). No PCB redesign is required.

Q: What is the difference between these two part numbers?

A: The parts are functionally equivalent. The difference lies in the internal designation within Abracon LLC's product line, reflected in the part number suffix (MU-2 versus KT-2). Both maintain identical performance characteristics and compliance certifications.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the ARJ11A-MASA-MU-2 and ARJ11A-MASA-KT-2 are ROHS3 compliant and REACH unaffected.

Q: What is the MSL rating for these connectors?

A: Both parts carry an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.