ARJ14A-MASD-A-B-FMU2 Equivalent & Substitute Parts

Part Overview

The ARJ14A-MASD-A-B-FMU2 is a 4-port RJ45 modular connector manufactured by Abracon LLC, designed for 10/100 Base-T Ethernet applications with AutoMDIX capability. This through-hole mounted connector features a 90° right-angle orientation and is actively produced. Finding equivalent or substitute parts may be necessary due to inventory constraints, packaging requirements, or supply chain considerations while maintaining identical electrical and mechanical performance.

Substiute Parts

ARJ14A-MASD-A-B-FMU2

Abracon LLCIn Stock: 943ARJ14A-MASD-A-B-FMU2 Datasheet

Current PartRFQ

ARJ14A-MASD-A-B-EMU2

Abracon LLCIn Stock: 1379ARJ14A-MASD-A-B-EMU2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ARJ14A-MASD-A-B-FMU2 is based on strict equivalence across the following critical parameters:

• Connector Type: RJ45
• Number of Ports: 4
• Mounting Type: Through Hole
• Orientation: 90° Angle (Right)
• Height Above Board: 0.535" (14.69mm)
• Termination: Solder
• Applications: 10/100 Base-T, AutoMDIX
• Shielding: Shielded, EMI Finger
• Contact Finish: Gold
• Operating Temperature Range: 0°C ~ 70°C
• RoHS Compliance: ROHS3 Compliant

The identified substitute part maintains identical electrical and mechanical specifications. Variation in packaging format (Tray versus standard packaging) does not affect functional compatibility or performance in the application.

Parameter Comparison

Engineering Selection Recommendations

Both the ARJ14A-MASD-A-B-FMU2 and ARJ14A-MASD-A-B-EMU2 are active products from Abracon LLC with identical electrical and mechanical specifications. Selection between these parts should be based on packaging availability and supply chain requirements. Both parts meet ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current and future applications. The substitute part ARJ14A-MASD-A-B-EMU2 is supplied in Tray packaging, which may offer advantages in high-volume procurement scenarios.

Frequently Asked Questions (FAQ)

Q: Can ARJ14A-MASD-A-B-EMU2 be used as a direct replacement for ARJ14A-MASD-A-B-FMU2?

A: Yes. Both parts are electrically and mechanically identical across all critical parameters including connector type, port configuration, mounting method, orientation, height, termination, shielding, and operating temperature range. The difference is packaging format only.

Q: What is the difference between FMU2 and EMU2 designations?

A: The difference is packaging format. FMU2 uses standard packaging while EMU2 uses Tray packaging. Functional performance and specifications are identical.

Q: Are both parts RoHS compliant?

A: Yes. Both ARJ14A-MASD-A-B-FMU2 and ARJ14A-MASD-A-B-EMU2 are ROHS3 compliant and REACH unaffected.

Q: What is the MSL rating for these connectors?

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

Q: Can these connectors be used in 10/100 Base-T applications?

A: Yes. Both parts are rated for 10/100 Base-T Ethernet applications with AutoMDIX capability and include EMI shielding with finger contacts.