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ARJ11E-MCSB-A-B-FM2 Equivalent & Substitute Parts
Part Overview
The ARJ11E-MCSB-A-B-FM2 is a 1-port RJ45 modular connector manufactured by Abracon LLC, designed for 10/100/1000 Base-TX Ethernet applications with AutoMDIX support. This through-hole, right-angle connector features shielded construction with EMI finger protection and board lock functionality. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).
Substitute parts may be required due to inventory constraints, supply chain disruptions, or specific packaging requirements while maintaining equivalent electrical and mechanical performance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | RJ45 |
| Number of Ports | 1 |
| Mounting Type | Through Hole |
| Orientation | 90° Angle (Right) |
| Termination | Solder |
| Applications | 10/100/1000 Base-TX, AutoMDIX |
| Number of Cores per Jack | 8 |
| Shielding | Shielded, EMI Finger |
| Features | Board Lock |
| Operating Temperature | 0°C ~ 70°C |
| Contact Finish | Gold |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the ARJ11E-MCSB-A-B-FM2 is determined by strict equivalence across the following critical parameters:
- Connector Type: RJ45
- Number of Ports: 1
- Mounting Type: Through Hole
- Orientation: 90° Angle (Right)
- Termination: Solder
- Applications: 10/100/1000 Base-TX, AutoMDIX
- Number of Cores per Jack: 8
- Shielding: Shielded, EMI Finger
- Features: Board Lock
- Operating Temperature Range: 0°C ~ 70°C
- Contact Finish: Gold
- RoHS Status: ROHS3 Compliant
- MSL Rating: 1 (Unlimited)
Two substitute parts meet these criteria: ARJ11E-MBSA-A-B-EM2 (same manufacturer, different packaging) and A60-113-331P432 (alternative manufacturer, Mercury United Electronics, Inc.).
Parameter Comparison
| Parameter | ARJ11E-MCSB-A-B-FM2 | ARJ11E-MBSA-A-B-EM2 | A60-113-331P432 |
|---|---|---|---|
| Manufacturer | Abracon LLC | Abracon LLC | Mercury United Electronics, Inc. |
| Connector Type | RJ45 | RJ45 | RJ45 |
| Number of Ports | 1 | 1 | 1 |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Orientation | 90° Angle (Right) | 90° Angle (Right) | 90° Angle (Right) |
| Termination | Solder | Solder | Solder |
| Applications | 10/100/1000 Base-TX, AutoMDIX | 10/100/1000 Base-TX, AutoMDIX | 10/100/1000 Base-T, AutoMDIX |
| Number of Cores per Jack | 8 | 8 | 8 |
| Shielding | Shielded, EMI Finger | Shielded, EMI Finger | Shielded, EMI Finger |
| Features | Board Lock | Board Lock | Board Lock |
| Height Above Board | 0.545" (13.84mm) | 0.545" (13.84mm) | 0.535" (14.69mm) |
| LED Color | Green - Yellow | Green - Yellow | Green - Yellow |
| Contact Finish | Gold | Gold | Gold |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Contact Finish Thickness | 6.00µin (0.152µm) | 6.00µin (0.152µm) | 15.0µin (0.38µm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 | EAR99 |
| HTSUS | 8536.69.4040 | 8536.69.4040 | 8536.69.4040 |
Engineering Selection Recommendations
Both substitute parts maintain full compliance with ROHS3 and REACH requirements, matching the regulatory status of the primary part. ARJ11E-MBSA-A-B-EM2 is manufactured by Abracon LLC and provides identical electrical and mechanical specifications with equivalent packaging in tray format. A60-113-331P432, manufactured by Mercury United Electronics, Inc., meets all critical substitution parameters with minor dimensional variation (0.010" height difference) and higher contact finish thickness (15.0µin versus 6.00µin), which does not affect functional compatibility for the specified applications.
Selection between substitutes should be based on availability, packaging requirements, and supply chain considerations. All three parts are active products with current inventory.
Frequently Asked Questions (FAQ)
Q: Can ARJ11E-MBSA-A-B-EM2 be used as a direct replacement for ARJ11E-MCSB-A-B-FM2?
A: Yes. Both parts are manufactured by Abracon LLC within the ARJ11E series and share identical electrical specifications, mechanical dimensions, and compliance certifications. The difference is packaging format (tray versus original packaging).
Q: What is the difference between Base-TX and Base-T applications?
A: Both support 10/100/1000 Mbps Ethernet with AutoMDIX functionality. The designation difference reflects manufacturer nomenclature but does not affect electrical compatibility for the specified applications.
Q: Is the height difference between ARJ11E-MCSB-A-B-FM2 (13.84mm) and A60-113-331P432 (14.69mm) significant?
A: The 0.25mm difference is within typical PCB layout tolerances and does not affect functional compatibility. Verify clearance in your specific application if space constraints exist.
Q: Does the higher contact finish thickness of A60-113-331P432 affect performance?
A: No. Both contact finish thicknesses (6.00µin and 15.0µin) exceed minimum requirements for 10/100/1000 Base-T/TX applications and provide equivalent electrical performance and durability.
Q: Are all three parts RoHS3 compliant?
A: Yes. ARJ11E-MCSB-A-B-FM2, ARJ11E-MBSA-A-B-EM2, and A60-113-331P432 are all ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity rating.
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