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Equivalent & Substitute Parts for A-2004-0-1-LP/S-R
Part Overview
The A-2004-0-1-LP/S-R is a modular jack connector manufactured by Assmann WSW Components, designed for 6p6c (RJ11, RJ12, RJ14, RJ25) applications with 90° right-angle orientation and shielding. This connector features through-hole solder termination and is rated for operating temperatures between -40°C and 85°C. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and component procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Jack |
| Number of Positions/Contacts | 6p6c (RJ11, RJ12, RJ14, RJ25) |
| Number of Ports | 1 |
| Number of Rows | 1 |
| Mounting Type | Through Hole |
| Orientation | 90° Angle (Right) |
| Termination | Solder |
| Shielding | Shielded |
| Contact Material | Phosphor Bronze |
| Contact Finish | Gold |
| Housing Material | Polybutylene Terephthalate (PBT) |
| Operating Temperature | -40°C ~ 85°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the A-2004-0-1-LP/S-R is determined by strict equivalence across the following critical parameters:
- Connector type (Jack)
- Contact configuration (6p6c RJ11/RJ12/RJ14/RJ25)
- Physical orientation (90° right-angle)
- Mounting method (through-hole solder termination)
- Shielding requirement (shielded construction)
- Contact material and finish (phosphor bronze with gold plating)
- Housing material (polybutylene terephthalate)
- Operating temperature range (-40°C to 85°C)
- Moisture sensitivity classification (MSL 1)
The substitute part 5555140-1 from TE Connectivity AMP Connectors meets all these criteria and is classified as the manufacturer-recommended equivalent.
Parameter Comparison
| Parameter | A-2004-0-1-LP/S-R (Assmann) | 5555140-1 (TE Connectivity) |
|---|---|---|
| Connector Type | Jack | Jack |
| Number of Positions/Contacts | 6p6c (RJ11, RJ12, RJ14, RJ25) | 6p6c (RJ11, RJ12, RJ14, RJ25) |
| Number of Ports | 1 | 1 |
| Number of Rows | 1 | 1 |
| Mounting Type | Through Hole | Through Hole |
| Orientation | 90° Angle (Right) | 90° Angle (Right) |
| Termination | Solder | Solder |
| Shielding | Shielded | Shielded, EMI Finger |
| Contact Material | Phosphor Bronze | Phosphor Bronze |
| Contact Finish | Gold | Gold |
| Contact Finish Thickness | 15.0µin (0.38µm) | 50.0µin (1.27µm) |
| Housing Material | Polybutylene Terephthalate (PBT), Glass Filled | Polybutylene Terephthalate (PBT), Polyester |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
| RoHS Status | Not specified | RoHS Compliant |
Engineering Selection Recommendations
The 5555140-1 from TE Connectivity AMP Connectors is the direct functional equivalent for the obsolete A-2004-0-1-LP/S-R. This substitute maintains all critical electrical and mechanical parameters required for 6p6c modular jack applications with 90° right-angle solder termination.
Key advantages of the 5555140-1 include active product status, ensuring long-term availability and supply chain continuity. The substitute features enhanced EMI shielding through an integrated EMI finger and increased contact finish thickness (50.0µin versus 15.0µin), providing improved signal integrity and contact durability. The part is RoHS compliant, meeting current environmental and regulatory requirements.
Both connectors operate within the identical temperature range (-40°C to 85°C) and share MSL 1 classification, confirming compatibility in moisture-sensitive applications. The housing material composition differs slightly (glass-filled versus polyester-filled PBT), but both formulations maintain equivalent mechanical and thermal performance for this connector class.
Frequently Asked Questions (FAQ)
Q: Can the 5555140-1 be used as a direct replacement for the A-2004-0-1-LP/S-R in existing designs?
A: Yes. Both connectors share identical contact configurations (6p6c), mounting methods (through-hole solder), orientations (90° right-angle), and operating temperature ranges (-40°C to 85°C). The electrical and mechanical interfaces are equivalent.
Q: What is the difference in contact finish thickness between these parts?
A: The A-2004-0-1-LP/S-R has 15.0µin (0.38µm) gold plating, while the 5555140-1 has 50.0µin (1.27µm). The thicker plating on the substitute provides enhanced contact durability and improved resistance to wear over extended mating cycles.
Q: Does the EMI finger on the 5555140-1 affect mechanical compatibility?
A: No. The EMI finger is an integrated shielding enhancement that does not alter the connector's physical footprint, mounting hole pattern, or solder pad layout. It provides additional electromagnetic interference suppression without affecting board-level compatibility.
Q: Are both connectors suitable for Cat3 applications?
A: The 5555140-1 is rated for Cat3 performance. The A-2004-0-1-LP/S-R does not specify a category rating in the provided data. Both connectors support 6p6c RJ11, RJ12, RJ14, and RJ25 configurations.
Q: What is the packaging difference between these parts?
A: The A-2004-0-1-LP/S-R packaging is not specified. The 5555140-1 is supplied in Tray packaging. Confirm packaging requirements with your procurement specifications.
Q: Is the 5555140-1 RoHS compliant?
A: Yes. The 5555140-1 is RoHS compliant. The RoHS status of the A-2004-0-1-LP/S-R is not specified in the provided data.
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