ARJ11B-MASAC-MU2 Equivalent & Substitute Parts

Part Overview

The ARJ11B-MASAC-MU2 is a 1 Port RJ45 Through Hole modular connector manufactured by Abracon LLC, designed for 10/100 Base-T Ethernet applications with AutoMDIX support. This connector features a 90° right-angle orientation, solder termination, and board lock functionality. The part is currently active in production with 1016 units in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to component availability, supply chain considerations, or design flexibility within the same application category.

Substiute Parts

ARJ11B-MASAC-MU2

Abracon LLCIn Stock: 1105ARJ11B-MASAC-MU2 Datasheet

Current PartRFQ

A63-113-300P422

Mercury United Electronics, Inc.In Stock: 754A63-113-300P422 Datasheet

MFR RecommendedRFQ

ARJ11B-MASAA-MU2

Abracon LLCIn Stock: 842ARJ11B-MASAA-MU2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ARJ11B-MASAC-MU2 are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Electrical Compatibility Criteria:

• Connector Type: RJ45
• Number of Ports: 1
• Applications: 10/100 Base-T, AutoMDIX
• Number of Cores per Jack: 4
• Shielding: Shielded, EMI Finger
• Contact Finish: Gold

Mechanical Compatibility Criteria:

• Mounting Type: Through Hole
• Orientation: 90° Angle (Right)
• Termination: Solder
• Features: Board Lock
• Tab Direction: Down

Environmental & Compliance Criteria:

• Operating Temperature: 0°C ~ 70°C
• RoHS Status: ROHS3 Compliant
• MSL Rating: 1 (Unlimited)
• REACH Status: REACH Unaffected

All identified substitutes meet these core parameters. Variations in height above board, contact finish thickness, and material specifications do not affect functional substitution within the defined application scope.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active product status and full compliance with ROHS3 and REACH requirements. The ARJ11B-MASAA-MU2 is an Abracon LLC variant with identical electrical and mechanical specifications to the primary part, differing only in packaging format (Tray versus standard packaging). The A63-113-300P422 from Mercury United Electronics, Inc. provides cross-manufacturer substitution with equivalent functional performance. The A63-113-300P422 exhibits a slightly reduced height above board (0.531" versus 0.545") and increased contact finish thickness (15.0µin versus 6.00µin), both within acceptable tolerances for 10/100 Base-T applications. Selection between these parts should be based on availability, supply chain requirements, and packaging preferences, as all meet the specified electrical and mechanical criteria for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can the ARJ11B-MASAA-MU2 be used as a direct replacement for the ARJ11B-MASAC-MU2?

A: Yes. Both parts are manufactured by Abracon LLC and share identical electrical and mechanical specifications. The primary difference is packaging format. Both are suitable for direct substitution in 10/100 Base-T applications.

Q: Is the A63-113-300P422 compatible with designs specified for the ARJ11B-MASAC-MU2?

A: Yes. The A63-113-300P422 meets all critical electrical and mechanical parameters required for 10/100 Base-T, AutoMDIX applications. The height variance of 0.014" (0.35mm) and increased contact finish thickness do not affect functional compatibility within the specified operating parameters.

Q: What is the significance of the contact finish thickness difference between parts?

A: Contact finish thickness variations (6.00µin versus 15.0µin) do not impact electrical performance or reliability for 10/100 Base-T applications. Both thicknesses provide adequate corrosion resistance and contact durability within the specified operating temperature range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All three parts carry ROHS3 Compliant certification and REACH Unaffected status, meeting current environmental and regulatory requirements.

Q: Does packaging format affect electrical or mechanical performance?

A: No. Packaging format (Tray versus standard) is a logistics consideration only and does not affect the connector's electrical characteristics, mechanical fit, or performance in the application.

Q: What is the MSL rating significance for these connectors?

A: All parts carry MSL Rating 1 (Unlimited), indicating unlimited shelf life without moisture sensitivity concerns. No special storage or handling precautions are required.