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Amphenol ICC 55508-308 Equivalent & Substitute Parts
Part Overview
The Amphenol ICC 55508-308 is an 8-position receptacle connector in the Minitek® 2.00mm series, designed for board-to-board surface mount applications. This connector features 0.079" (2.00mm) pitch mating, gold-plated contacts, and push-pull fastening. The part is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. Samtec Inc. CLT series connectors provide direct functional equivalents with active product status and enhanced compliance certifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Connector Type | Receptacle |
| Number of Positions | 8 |
| Pitch - Mating | 0.079" (2.00mm) |
| Number of Rows | 2 |
| Row Spacing - Mating | 0.079" (2.00mm) |
| Contact Type | Female Socket |
| 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 |
Substitute Part Grouping Explanation
Samtec CLT-104 series receptacles serve as functional equivalents to the 55508-308 based on the following critical parameters:
Core Compatibility Parameters:
- 8-position configuration with 0.079" (2.00mm) pitch mating
- 2-row layout with 0.079" (2.00mm) row spacing
- Female socket contact type for board-to-board connection
- Surface mount solder termination with push-pull fastening
- Gold-plated mating contacts
- Operating temperature range -55°C ~ 125°C
- UL94 V-0 flammability rating
Substitution Variants: The CLT-104 series includes multiple configurations differentiated by connector entry style (standard vs. bottom entry), packaging format (tube vs. tape & reel), and optional features (board guide, pick and place capability). All variants maintain electrical and mechanical compatibility with the 55508-308 through identical core mating parameters.
Parameter Comparison
| Parameter | 55508-308 (Amphenol ICC) | CLT-104-02-F-D (Samtec) | CLT-104-02-F-D-BE (Samtec) | CLT-104-02-F-D-BE-A-K-TR (Samtec) |
|---|---|---|---|---|
| Connector Type | Receptacle | Receptacle | Receptacle, Bottom Entry | Receptacle, Bottom Entry |
| Number of Positions | 8 | 8 | 8 | 8 |
| Pitch - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Number of Rows | 2 | 2 | 2 | 2 |
| Row Spacing - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Contact Type | Female Socket | Female Socket | Female Socket | Female Socket |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Termination | Solder | Solder | Solder | Solder |
| Fastening Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Contact Finish - Mating | Gold | Gold | Gold | Gold |
| Contact Finish Thickness - Mating | 15.0µin (0.38µm) | 3.00µin (0.076µm) | 3.00µin (0.076µm) | 3.00µin (0.076µm) |
| Insulation Color | Black | Black | Black | Black |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Current Rating | 2A | 4.1A per Contact | 4.1A per Contact | 4.1A per Contact |
| Product Status | Obsolete | Active | Active | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Insulation Material | Plastic | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
Engineering Selection Recommendations
Primary Selection Criteria:
All Samtec CLT-104-02-F-D variants provide direct electrical and mechanical substitution for the 55508-308. Selection among available CLT-104 options depends on application-specific requirements:
Standard Entry Configuration (CLT-104-02-F-D): Recommended for applications where connector entry orientation is not constrained by board layout. Available in tube packaging for lower-volume requirements.
Bottom Entry Configuration (CLT-104-02-F-D-BE): Required for applications where mating connector approach is restricted to the board bottom surface. Maintains identical electrical performance with modified mechanical orientation.
Packaging Variants: Tube packaging (CLT-104-02-F-D, CLT-104-02-F-D-BE) suits prototype and low-volume production. Tape & Reel packaging (CLT-104-02-F-D-A-P-TR, CLT-104-02-F-D-BE-A-K-TR) supports automated assembly processes.
Compliance Advantage: All CLT-104 variants are ROHS3 compliant and carry active product status, eliminating obsolescence risk associated with the 55508-308. The CLT series offers superior current rating (4.1A per contact vs. 2A), providing design margin for power distribution applications.
Frequently Asked Questions (FAQ)
Q: Are CLT-104 connectors mechanically compatible with 55508-308 mating connectors?
A: Yes. Both connector families maintain identical 0.079" (2.00mm) pitch mating, 2-row configuration with 0.079" (2.00mm) row spacing, and push-pull fastening. Mating connectors designed for 55508-308 receptacles will interface with CLT-104 receptacles without modification.
Q: What is the difference between standard and bottom entry CLT-104 variants?
A: Standard entry (CLT-104-02-F-D) positions the mating interface on the top surface of the board. Bottom entry (CLT-104-02-F-D-BE) positions the mating interface on the bottom surface. Electrical performance is identical; selection depends on board layout constraints.
Q: Does the reduced gold plating thickness on CLT-104 connectors affect reliability?
A: No. The CLT-104 series specifies 3.00µin (0.076µm) gold plating thickness, which meets industry standards for push-pull connector applications. This thickness is sufficient for the specified operating temperature range and current rating.
Q: Which packaging format should be selected for high-volume production?
A: Tape & Reel packaging (TR designation) is optimized for automated pick-and-place assembly. CLT-104-02-F-D-A-P-TR and CLT-104-02-F-D-BE-A-K-TR variants include pick-and-place features and are supplied in continuous tape format.
Q: Are there any compliance differences between CLT-104 variants?
A: All CLT-104 variants are ROHS3 compliant and UL94 V-0 rated. REACH status varies by specific part number; CLT-104-02-F-D-A and CLT-104-02-F-D-BE-A are REACH Affected, while other variants are REACH Unaffected. Verify REACH compliance requirements for your specific application.
Q: Can CLT-104 connectors be used in the same PCB footprint as 55508-308?
A: Yes. Identical pitch, row spacing, and solder termination ensure footprint compatibility. Standard entry CLT-104 variants (CLT-104-02-F-D, CLT-104-02-F-D-A, CLT-104-02-F-D-A-P, CLT-104-02-F-D-A-TR) are direct drop-in replacements. Bottom entry variants require PCB layout modification to accommodate the alternate mating orientation.
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