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Amphenol ICC 55508-324 Equivalent & Substitute Parts
Part Overview
The Amphenol ICC 55508-324 is a 24-position receptacle connector in the Minitek® 2.00mm series, designed for surface mount board-to-board applications. This connector features 0.079" (2.00mm) pitch spacing, gold-plated mating contacts, and push-pull fastening. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for new designs and production continuity.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Connector Type | Receptacle |
| Contact Type | Female Socket |
| Number of Positions | 24 |
| Pitch - Mating | 0.079" (2.00mm) |
| Number of Rows | 2 |
| Row Spacing - Mating | 0.079" (2.00mm) |
| Mounting Type | Surface Mount |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Finish - Mating | Gold |
| Operating Temperature | -55°C ~ 125°C |
| Material Flammability Rating | UL94 V-0 |
| Current Rating | 2A |
| Voltage Rating | 200V |
| Insulation Material | Plastic |
| Contact Material | Phosphor Bronze |
| RoHS Status | Non-compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict alignment with the following critical parameters:
Primary Compatibility Criteria:
- Connector type: Receptacle
- Contact type: Female socket
- Number of positions: 24
- Pitch spacing: 0.079" (2.00mm)
- Mounting type: Surface mount
- Fastening type: Push-pull
- Termination: Solder
- Contact finish: Gold
- Operating temperature range: -55°C ~ 125°C minimum
- Material flammability: UL94 V-0
- Insulation material: Plastic or equivalent
- Contact material: Phosphor bronze
Substitute Categories:
Category 1: Direct Amphenol ICC Equivalent 55508-324LF is the active production equivalent from the same manufacturer and series, differing only in RoHS compliance status and contact post finish (tin vs. tin-lead).
Category 2: Samtec CLT Series Alternatives CLT-112-02-F-D, CLT-112-02-F-D-A, CLT-112-02-F-D-A-K-TR, CLT-112-02-F-D-A-P, CLT-112-02-F-D-A-P-TR, CLT-112-02-F-D-A-TR, CLT-112-02-F-D-BE, and CLT-112-02-F-D-BE-A meet all critical electrical and mechanical parameters. These parts feature higher current ratings (4.1A per contact) and liquid crystal polymer insulation material.
Category 3: Molex Milli-Grid Alternative 0872632423 provides functional equivalence with board-to-board or cable style flexibility and bottom entry configuration. This part operates at reduced current (1A) and voltage (125VAC) ratings compared to the main part.
Parameter Comparison
| Parameter | 55508-324 (Main) | 55508-324LF | CLT-112-02-F-D | CLT-112-02-F-D-A | CLT-112-02-F-D-BE | 0872632423 |
|---|---|---|---|---|---|---|
| Manufacturer | Amphenol ICC | Amphenol ICC | Samtec Inc. | Samtec Inc. | Samtec Inc. | Molex |
| Series | Minitek® 2.00mm | Minitek® 2.00mm | CLT | CLT | CLT | Milli-Grid 87263 |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| Connector Type | Receptacle | Receptacle | Receptacle | Receptacle | Receptacle, Bottom Entry | Receptacle, Bottom Entry |
| Number of Positions | 24 | 24 | 24 | 24 | 24 | 24 |
| Pitch - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 |
| Row Spacing - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder |
| Fastening Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Contact Finish - Mating | Gold (15.0µin) | Gold (15.0µin) | Gold (3.00µin) | Gold (3.00µin) | Gold (3.00µin) | Gold (15.0µin) |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 105°C |
| Material Flammability | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Current Rating | 2A | 2A | 4.1A per Contact | 4.1A per Contact | 4.1A per Contact | 1A |
| Voltage Rating | 200V | 200V | — | — | — | 125VAC |
| Insulation Material | Plastic | Plastic | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Thermoplastic |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | — |
| RoHS Status | Non-compliant | Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
For RoHS Compliant Designs: 55508-324LF is the recommended direct replacement. It maintains identical electrical and mechanical specifications while achieving RoHS compliance. This part is active in production with 748 units in stock.
For Enhanced Current Capacity: Samtec CLT series connectors (CLT-112-02-F-D, CLT-112-02-F-D-A, CLT-112-02-F-D-BE, and variants) provide 4.1A per contact rating, exceeding the 2A specification of the main part. These parts are ROHS3 compliant and feature liquid crystal polymer insulation. Packaging options include tube and tape & reel formats. CLT-112-02-F-D-A-K-TR offers the highest inventory availability at 8,976 units.
For Bottom Entry Configuration: CLT-112-02-F-D-BE and CLT-112-02-F-D-BE-A provide bottom entry receptacle functionality while maintaining all core electrical parameters. These are suitable for applications requiring cable-side entry geometry.
For Molex Ecosystem Integration: 0872632423 (Milli-Grid 87263 series) provides functional equivalence with board guide features and bottom entry capability. This part operates at reduced current (1A) and voltage (125VAC) ratings and is suitable only for applications within these electrical limits.
Frequently Asked Questions (FAQ)
Q: Can 55508-324LF directly replace 55508-324 in existing designs? A: Yes. 55508-324LF is the active production equivalent from Amphenol ICC. It maintains identical pitch spacing (0.079"), position count (24), mounting type (surface mount), fastening mechanism (push-pull), and operating temperature range (-55°C ~ 125°C). The primary difference is RoHS compliance status and contact post finish material (tin vs. tin-lead).
Q: What are the key differences between Amphenol ICC and Samtec CLT alternatives? A: Samtec CLT series connectors feature higher current ratings (4.1A per contact vs. 2A), liquid crystal polymer insulation material instead of plastic, and reduced gold plating thickness on mating contacts (3.00µin vs. 15.0µin). All maintain the same 0.079" pitch, 24-position configuration, and push-pull fastening. CLT variants are available in multiple packaging formats including tape & reel for automated assembly.
Q: Are Samtec CLT connectors suitable for applications rated at 2A and 200V? A: Yes. Samtec CLT connectors exceed the electrical requirements of the main part. The 4.1A per contact rating and higher insulation material grade (LCP) provide margin for the specified 2A current and 200V voltage requirements. Voltage rating data is not specified for CLT series in the provided parameters.
Q: What is the difference between CLT-112-02-F-D and CLT-112-02-F-D-A? A: CLT-112-02-F-D-A includes a board guide feature, which provides mechanical alignment assistance during mating. Both parts are electrically and mechanically identical otherwise. The board guide variant is recommended for applications requiring enhanced alignment precision.
Q: Can the Molex 0872632423 be used as a substitute? A: The Molex 0872632423 maintains mechanical compatibility (24 positions, 0.079" pitch, surface mount, push-pull fastening) but operates at reduced electrical ratings (1A current, 125VAC voltage). This part is suitable only for applications within these electrical limits. It features bottom entry configuration and board guide functionality.
Q: What packaging options are available for Samtec CLT alternatives? A: Samtec CLT connectors are available in tube packaging and tape & reel (TR) formats. Tape & reel variants include pick-and-place features for automated assembly. CLT-112-02-F-D-A-K-TR offers the highest inventory availability (8,976 units) in tape & reel format with board guide and pick-and-place features.
Q: Are all substitute parts ROHS compliant? A: 55508-324LF, all Samtec CLT variants, and Molex 0872632423 are RoHS compliant (RoHS3). The original 55508-324 is RoHS non-compliant. For new designs subject to RoHS requirements, any of the compliant alternatives are suitable.
Q: What is the MSL rating for these connectors? A: All parts listed, including the main part and all substitutes, carry MSL rating 1 (Unlimited), indicating no moisture sensitivity limitations for storage and handling.
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