ARJ11D-MASG-B-A-EMU2 Equivalent & Substitute Parts

Part Overview

The ARJ11D-MASG-B-A-EMU2 is a 1 Port RJ45 Through Hole modular connector manufactured by Abracon LLC, designed for 10/100 Base-T Ethernet applications with AutoMDIX capability. This connector features a 90° right-angle orientation, solder termination, and integrated LED indicators (Yellow-Green). The product is Active status with 871 units in stock.

Identifying equivalent and substitute parts is necessary when the primary part becomes unavailable, when procurement lead times require alternative sourcing, or when design flexibility allows for functionally compatible alternatives that meet the same electrical and mechanical specifications.

Substiute Parts

ARJ11D-MASG-B-A-EMU2

Abracon LLCIn Stock: 895ARJ11D-MASG-B-A-EMU2 Datasheet

Current PartRFQ

A63-113-213N491

Mercury United Electronics, Inc.In Stock: 1394A63-113-213N491 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ARJ11D-MASG-B-A-EMU2 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Connector Type: RJ45
• Number of Ports: 1
• Mounting Type: Through Hole
• Orientation: 90° Angle (Right)
• Termination: Solder
• Applications: 10/100 Base-T, AutoMDIX
• Shielding: Shielded, EMI Finger
• LED Color: Yellow - Green
• Number of Cores per Jack: 4
• Contact Finish: Gold
• Operating Temperature Range: 0°C ~ 70°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part A63-113-213N491 from Mercury United Electronics, Inc. meets all mandatory parameters and is classified as a manufacturer-recommended equivalent. Mechanical variations such as height above board (0.530" vs 0.545") and contact finish thickness (15.0µin vs 6.00µin) remain within acceptable tolerances for PCB integration and do not affect functional compatibility in 10/100 Base-T applications.

Parameter Comparison

Engineering Selection Recommendations

Both the ARJ11D-MASG-B-A-EMU2 and A63-113-213N491 are Active status products with full ROHS3 compliance and REACH unaffected certification. Both connectors carry EAR99 export classification and fall under the same HTSUS commodity code (8536.69.4040), indicating regulatory equivalence for international procurement.

The A63-113-213N491 is designated as the manufacturer-recommended substitute and maintains functional parity across all critical electrical and mechanical parameters required for 10/100 Base-T Ethernet applications. The substitute part offers higher contact finish thickness (15.0µin vs 6.00µin), which provides enhanced durability in high-cycle insertion applications. The marginal difference in height above board (0.015" or 0.39mm) is within standard PCB layout tolerances and does not impact connector performance or board integration.

Selection between these parts should be based on availability, lead time, packaging requirements (Tray for A63-113-213N491), and procurement cost considerations. Both parts are suitable for direct substitution in active designs.

Frequently Asked Questions (FAQ)

Q: Can the A63-113-213N491 be used as a direct replacement for the ARJ11D-MASG-B-A-EMU2 on existing PCBs?

A: Yes. Both connectors share identical mounting type (Through Hole), orientation (90° Right), solder termination, and footprint compatibility. The height difference of 0.015" is within standard PCB design tolerances and does not require layout modifications.

Q: Are there any electrical performance differences between these two connectors?

A: No. Both connectors meet identical electrical specifications for 10/100 Base-T applications with AutoMDIX capability, 4-core jack configuration, and gold contact finish. Operating temperature ranges and signal integrity characteristics are equivalent.

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

A: The A63-113-213N491 features 15.0µin contact finish thickness compared to 6.00µin on the ARJ11D-MASG-B-A-EMU2. Thicker gold plating provides extended contact durability under repeated insertion cycles and enhanced corrosion resistance. Both thicknesses meet industry standards for Ethernet connector applications.

Q: Do both parts have the same compliance certifications?

A: Yes. Both connectors are ROHS3 compliant, REACH unaffected, carry EAR99 export classification, and share the same HTSUS code. Moisture sensitivity level is identical (MSL 1 - Unlimited) for both parts.

Q: What packaging differences exist between these parts?

A: The ARJ11D-MASG-B-A-EMU2 packaging is not specified in the provided data. The A63-113-213N491 is supplied in Tray packaging. Confirm packaging requirements with your procurement specifications before ordering.

Q: Are both parts currently in stock?

A: Yes. The ARJ11D-MASG-B-A-EMU2 has 871 units in stock, and the A63-113-213N491 has 1361 units in stock. Availability may vary by distributor and region.