Equivalent & Substitute Parts for 55508-028

Part Overview

The Amphenol ICC 55508-028 is a 28-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 currently obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Substitute parts maintain core electrical and mechanical compatibility while offering improved availability and compliance status.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	28
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 substitutes)
Voltage Rating	200V (main part)
Insulation Material	Plastic (main part); Liquid Crystal Polymer (LCP) (Samtec substitutes)
Contact Material	Phosphor Bronze
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of core electrical and mechanical parameters. All substitute parts maintain identical connector type (receptacle), position count (28), mating pitch (0.079"/2.00mm), row configuration (2 rows), mounting method (surface mount), termination (solder), and fastening mechanism (push-pull). All parts feature gold-plated mating contacts, phosphor bronze contact material, UL94 V-0 flammability rating, and unlimited moisture sensitivity rating.

Substitutes are grouped into three categories:

Category 1: Direct Amphenol ICC Substitutes — 55508-028LF maintains identical electrical and mechanical specifications with improved RoHS compliance and active product status.

Category 2: Samtec CLT Series Substitutes — CLT-114-02-F-D and variants provide equivalent core functionality with enhanced current rating (4.1A per contact), LCP insulation material, and ROHS3 compliance. Variants differ by connector entry style (standard vs. bottom entry), board guide presence, pick-and-place features, and packaging format (tube, bulk, or tape & reel).

Substitution is valid only when all core parameters match. Packaging and feature variations do not affect electrical or mechanical compatibility.

Parameter Comparison

Parameter	55508-028	55508-028LF	CLT-114-02-F-D	CLT-114-02-F-D-A	CLT-114-02-F-D-BE	CLT-114-02-F-D-BE-A
Manufacturer	Amphenol ICC	Amphenol ICC	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Connector Type	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle, Bottom Entry	Receptacle, Bottom Entry
Number of Positions	28	28	28	28	28	28
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	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)
Insulation Color	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)
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
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Current Rating	2A	2A	4.1A per Contact	4.1A per Contact	4.1A per Contact	4.1A per Contact
Voltage Rating	200V	200V	—	—	—	—
Insulation Material	Plastic	Plastic	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

55508-028LF (Amphenol ICC) — Direct substitute for 55508-028. Maintains identical electrical and mechanical specifications while achieving RoHS compliance and active product status. Recommended for applications requiring minimal design changes and continued Amphenol ICC supply chain integration.

CLT-114-02-F-D and CLT-114-02-F-D-A (Samtec Inc.) — Equivalent substitutes with enhanced current rating (4.1A per contact vs. 2A) and LCP insulation material. CLT-114-02-F-D-A includes board guide feature. Both achieve ROHS3 compliance and active product status. Suitable for applications where increased current capacity and improved material properties provide system benefits.

CLT-114-02-F-D-BE and CLT-114-02-F-D-BE-A (Samtec Inc.) — Bottom entry variants of CLT series. Maintain all electrical and mechanical equivalence with standard CLT-114-02-F-D while providing alternative connector entry orientation. CLT-114-02-F-D-BE-A includes board guide feature. Applicable to designs requiring bottom-entry connector configuration.

Tape & Reel Packaging Variants — CLT-114-02-F-D-A-P-TR, CLT-114-02-F-D-A-TR, and CLT-114-02-F-D-BE-A-K-TR provide identical electrical and mechanical specifications in automated assembly packaging. Recommended for high-volume surface mount production environments.

Frequently Asked Questions (FAQ)

Q: Can 55508-028LF directly replace 55508-028 in existing designs?

A: Yes. 55508-028LF maintains identical connector type, position count, pitch, row configuration, mounting method, termination, fastening mechanism, contact finish, operating temperature range, and flammability rating. The primary difference is RoHS compliance status and active product availability.

Q: What are the key differences between Amphenol ICC 55508-028LF and Samtec CLT-114-02-F-D?

A: Both maintain core electrical and mechanical compatibility. CLT-114-02-F-D provides higher current rating (4.1A per contact vs. 2A), uses LCP insulation material instead of plastic, and features slightly reduced insulation height (0.083" vs. 0.091"). All three parts operate across identical temperature range and achieve equivalent flammability ratings.

Q: Are Samtec CLT-114 bottom entry variants (CLT-114-02-F-D-BE) electrically equivalent to standard CLT-114-02-F-D?

A: Yes. Bottom entry variants maintain identical electrical specifications, current rating, contact material, and operating temperature. The difference is connector entry orientation only, which affects PCB layout but not electrical performance.

Q: What packaging options are available for CLT-114 series substitutes?

A: CLT-114-02-F-D variants are available in tube packaging (standard), bulk packaging (CLT-114-02-F-D-A-P), and tape & reel format (CLT-114-02-F-D-A-P-TR, CLT-114-02-F-D-A-TR, CLT-114-02-F-D-BE-A-K-TR). Packaging selection does not affect electrical or mechanical compatibility.

Q: Does the board guide feature (present in CLT-114-02-F-D-A variants) affect electrical compatibility?

A: No. Board guide is a mechanical feature that improves connector alignment during assembly. It does not alter electrical specifications, current rating, or contact performance.

Q: Are all substitute parts RoHS compliant?

A: 55508-028LF is RoHS compliant. All Samtec CLT-114 variants are ROHS3 compliant. The original

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