Amphenol ICC 55508-022 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 55508-022 is a 22-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, gold-plated mating contacts, and operates across -55°C to 125°C. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. Active alternatives from both Amphenol ICC and Samtec Inc. provide direct functional replacement with enhanced compliance and availability.

Key Parameters

Parameter	Specification
Connector Type	Receptacle
Number of Positions	22
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 (main part); 4.1A per contact (Samtec alternatives)
Voltage Rating	200V (main part)
Insulation Material	Plastic (main part); Liquid Crystal Polymer (LCP) (Samtec alternatives)
Contact Material	Phosphor Bronze
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Connector type: Receptacle
Number of positions: 22
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 type: Female Socket
Style: Board to Board
Contact shape: Square
Contact material: Phosphor Bronze
Insulation color: Black
Operating temperature range: -55°C ~ 125°C
Material flammability rating: UL94 V-0
Moisture sensitivity level: 1 (Unlimited)

Allowed Variation Parameters:

Contact finish - mating: Gold (all parts maintain gold plating; thickness may vary)
Insulation material: Plastic or Liquid Crystal Polymer (LCP)
Current rating: 2A or higher
Voltage rating: 200V or higher (when specified)
Insulation height: 0.091" (2.30mm) or 0.083" (2.10mm)
Connector style: Standard or Bottom Entry
Features: Board Guide, Pick and Place (optional enhancements)
Packaging: Tube or Tape & Reel
RoHS status: Compliant or non-compliant (application-dependent)

The 55508-022LF (Amphenol ICC direct equivalent) maintains identical specifications with RoHS compliance and active product status. Samtec CLT series parts provide enhanced electrical performance (4.1A per contact) and superior insulation material (LCP) while maintaining all critical mechanical and electrical parameters.

Parameter Comparison

Parameter	55508-022 (Main)	55508-022LF	CLT-111-02-F-D	CLT-111-02-F-D-A	CLT-111-02-F-D-A-P	CLT-111-02-F-D-A-P-TR	CLT-111-02-F-D-A-TR	CLT-111-02-F-D-BE	CLT-111-02-F-D-BE-A	CLT-111-02-F-D-BE-A-K-TR	CLT-111-02-F-D-BE-A-P
Manufacturer	Amphenol ICC	Amphenol ICC	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Connector Type	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle, Bottom Entry	Receptacle, Bottom Entry	Receptacle, Bottom Entry	Receptacle, Bottom Entry
Number of Positions	22	22	22	22	22	22	22	22	22	22	22
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)	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	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)	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	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Contact Finish Thickness - Mating	1.97µin (0.050µm)	1.97µin (0.050µm)	3.00µin (0.076µm)	3.00µin (0.076µm)	3.00µin (0.076µm)	3.00µin (0.076µm)	3.00µin (0.076µm)	3.00µin (0.076µm)	3.00µin (0.076µm)	3.00µin (0.076µm)	3.00µin (0.076µm)
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Insulation Height	0.091" (2.30mm)	0.091" (2.30mm)	0.083" (2.10mm)	0.083" (2.10mm)	0.083" (2.10mm)	0.083" (2.10mm)	0.083" (2.10mm)	0.083" (2.10mm)	0.083" (2.10mm)	0.083" (2.10mm)	0.083" (2.10mm)
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-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	UL94 V-0	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	4.1A per Contact	4.1A per Contact	4.1A per Contact	4.1A per Contact	4.1A per Contact	4.1A per Contact
Insulation Material	Plastic	Plastic	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging	Not specified	Tube	Tube	Tube	Tube	Tape & Reel (TR)	Not specified	Tube	Tube	Tape & Reel (TR)	Tube
Features	None specified	None specified	None specified	Board Guide	Board Guide, Pick and Place	Board Guide, Pick and Place	Board Guide	None specified	Board Guide	Board Guide, Pick and Place	Board Guide, Pick and Place

Engineering Selection Recommendations

Direct Equivalent (Same Manufacturer): The 55508-022LF is the direct Amphenol ICC equivalent with identical mechanical and electrical specifications. It maintains active product status and achieves RoHS compliance, addressing the obsolescence of the original 55508-022. This part is recommended for applications requiring continuity with the original Minitek® 2.00mm series platform.

Enhanced Performance Alternative (Samtec CLT Series): The Samtec CLT-111-02-F-D and its variants provide superior electrical performance (4.1A per contact versus 2A) and enhanced insulation material (Liquid Crystal Polymer) while maintaining all critical mechanical parameters. These parts achieve ROHS3 compliance and active product status. Selection among CLT variants depends on application requirements:

CLT-111-02-F-D: Base configuration, standard top-entry receptacle
CLT-111-02-F-D-A: Adds board guide feature for improved mechanical stability
CLT-111-02-F-D-A-P: Includes pick-and-place feature for automated assembly
CLT-111-02-F-D-A-P-TR: Tape & Reel packaging for high-volume production
CLT-111-02-F-D-A-TR: Board guide with alternative packaging
CLT-111-02-F-D-BE: Bottom-entry configuration for space-constrained layouts
CLT-111-02-F-D-BE-A: Bottom-entry with board guide
CLT-111-02-F-D-BE-A-K-TR: Bottom-entry with board guide, pick-and-place, and Tape & Reel packaging
CLT-111-02-F-D-BE-A-P: Bottom-entry with board guide and pick-and-place features

Compliance Considerations: Applications requiring RoHS compliance must use 55508-022LF or any CLT variant. The original 55508-022 is RoHS non-compliant and unsuitable for new designs subject to regulatory requirements. All substitute parts maintain UL94 V-0 flammability rating and MSL 1 moisture sensitivity level.

Packaging Selection: Tube packaging suits low-to-medium volume applications and manual assembly. Tape & Reel packaging (TR designation) is required for automated pick-and-place assembly in high-volume production environments.

Frequently Asked Questions (FAQ)

Q: Can CLT-111 series parts directly replace 55508-022 in existing designs? A: Yes. All CLT-111 variants maintain identical pitch (0.079"), position count (22), row configuration (2 rows), and mounting type (surface mount). The higher current rating (4.1A per contact) and superior insulation material (LCP) provide enhanced performance without requiring design modifications. Insulation height differs slightly (0.083" versus 0.091"), but this does not affect mechanical compatibility in standard board-to-board applications.

Q: What is the difference between standard and bottom-entry CLT configurations? A: Standard CLT parts (CLT-111-02-F-D series) feature top-entry mating orientation. Bottom-entry variants (CLT-111-02-F-D-BE series) allow mating from the board underside, enabling space-efficient designs where vertical clearance is limited. Both configurations maintain identical electrical and mechanical specifications.

Q: Does the board guide feature affect compatibility? A: No. The board guide (A designation) is an optional mechanical enhancement that improves alignment during mating. Parts with and without board guides are mechanically compatible and electrically equivalent. Selection depends on assembly process requirements and mechanical stability needs.

Q: What packaging should be selected for automated assembly? A: Tape & Reel (TR) packaging is required for automated pick-and-place assembly. Standard tube packaging is suitable for manual assembly and lower-volume applications. CLT-111-02-F-D-A-P-TR and CLT-111-02-F-D-BE-A-K-TR are the recommended options for high-volume automated production.

Q: Are there electrical performance differences between Amphenol ICC and Samtec alternatives? A: The Samtec CLT series provides higher current rating (4.1A per contact versus 2A) and does not specify voltage rating, whereas the original 55508-022 is rated 200V. For applications operating within 2A current limits and 200V voltage limits, both manufacturers' parts are electrically equivalent. Applications requiring higher current capacity benefit from CLT series selection.

Q: Is the 55508-022LF suitable for new product designs? A: Yes. The 55508-022LF is the active equivalent with RoHS compliance and identical specifications to the original part. It is suitable for new designs requiring continuity with the Minitek® 2.00mm platform. However, Samtec CLT alternatives offer enhanced performance and should be evaluated for applications where higher current capacity or improved insulation material provides design advantages.

Q: What is the impact of different contact finish thicknesses? A: The original 55508-022 and 55508-022LF specify 1.97µin (0.050µm) gold plating thickness. Samtec CLT parts specify 3.00µin (0.076µm), providing enhanced durability and contact reliability. This increased thickness does not affect electrical performance or mechanical compatibility and represents an improvement for high-cycle mating applications.

Q: Can parts be mixed between manufacturers in the same assembly? A: Mechanical compatibility exists between all listed parts due to identical pitch, position count, and mounting specifications. However, mixing manufacturers in the same connector pair is not recommended. Maintain single-manufacturer pairing for optimal performance and warranty coverage.

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