Amphenol ICC 55510-340 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 55510-340 is a 40-position receptacle connector with 0.079" (2.00mm) pitch, designed for surface mount board-to-board applications. This connector features gold-plated mating contacts, push-pull fastening, and operates across -55°C to 125°C. The part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production support. 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
Contact Type	Female Socket
Number of Positions	40
Pitch - Mating	0.079" (2.00mm)
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Surface Mount
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Operating Temperature	-55°C ~ 125°C
Current Rating	2A
Voltage Rating	200V
Insulation Material	Plastic
Contact Material	Phosphor Bronze

Substitute Part Grouping Explanation

Substitution for the 55510-340 is determined by strict equivalence across the following critical parameters: connector type (receptacle), contact type (female socket), number of positions (40), mating pitch (0.079" / 2.00mm), row configuration (2 rows with 0.079" spacing), mounting type (surface mount), fastening mechanism (push-pull), contact finish (gold), operating temperature range (-55°C to 125°C), and electrical ratings (2A minimum current, 200V minimum voltage).

The primary direct substitute is 55510-340LF from Amphenol ICC, which maintains identical mechanical and electrical specifications while upgrading to RoHS compliance and tin-lead post finish. This part is functionally interchangeable with no design modifications required.

Samtec Inc. MMS series connectors (MMS-120-02-F-DV variants) provide cross-manufacturer equivalents meeting all core substitution criteria. These parts maintain the same 40-position, 2.00mm pitch, surface mount, push-pull configuration with gold mating contacts and -55°C to 125°C operating range. Samtec variants offer enhanced current rating (3.9A per contact), ROHS3 compliance, and liquid crystal polymer (LCP) insulation material. Multiple packaging and feature options are available within the MMS-120-02-F-DV family.

Parameter Comparison

Parameter	55510-340 (Main)	55510-340LF	MMS-120-02-F-DV	MMS-120-02-F-DV-A-P	MMS-120-02-F-DV-K-TR	MMS-120-02-F-DV-LC	MMS-120-02-F-DV-LC-K-TR	MMS-120-02-F-DV-LC-M	MMS-120-02-F-DV-LC-P	MMS-120-02-F-DV-LC-P-TR	MMS-120-02-F-DV-LC-TR
Connector Type	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket
Number of Positions	40	40	40	40	40	40	40	40	40	40	40
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
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
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
Current Rating	2A	2A	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A 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
RoHS Status	Non-compliant	Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	Not specified	ROHS3 Compliant	ROHS3 Compliant	Not specified	Not specified
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For new designs and production requiring the 55510-340 functional equivalent, 55510-340LF is the direct replacement from Amphenol ICC. This part maintains identical mechanical and electrical specifications while achieving RoHS compliance and active product status, eliminating obsolescence risk.

For applications requiring enhanced electrical performance and cross-manufacturer sourcing flexibility, Samtec MMS-120-02-F-DV series connectors meet all core substitution criteria. The base MMS-120-02-F-DV variant provides ROHS3 compliance and 3.9A per contact current rating. Feature variants within this family include board guide options (A-P suffix), board lock mechanisms (LC suffix), and pick-and-place compatibility (K-TR suffix). Packaging options include tube and tape-and-reel formats.

Selection between Amphenol ICC and Samtec alternatives depends on supply chain requirements, packaging preferences, and feature needs. All listed substitutes maintain electrical and mechanical compatibility with the original 55510-340 specification.

Frequently Asked Questions (FAQ)

Q: Can 55510-340LF be used as a direct replacement for 55510-340?

A: Yes. The 55510-340LF maintains identical connector type, position count, pitch, mounting method, fastening mechanism, contact finish, and operating temperature range. The primary difference is RoHS compliance and active product status. No design modifications are required.

Q: What are the key differences between Amphenol ICC and Samtec substitutes?

A: Both manufacturers provide 40-position, 2.00mm pitch, surface mount, push-pull receptacles with gold mating contacts and -55°C to 125°C operation. Samtec MMS series offers higher current rating (3.9A per contact versus 2A), liquid crystal polymer insulation material, and multiple feature options including board lock and pick-and-place compatibility. Amphenol ICC 55510-340LF provides the closest form-factor match with plastic insulation.

Q: Are packaging options interchangeable?

A: Packaging (tube, tape-and-reel, or bulk) affects handling and assembly processes but does not alter connector functionality or electrical performance. Select packaging based on production volume and assembly equipment compatibility. All MMS-120-02-F-DV variants with identical base part number are electrically and mechanically equivalent regardless of packaging designation.

Q: What does the "LC" designation in Samtec part numbers indicate?

A: The LC suffix indicates board lock feature, providing mechanical retention beyond push-pull fastening. This is a feature enhancement and does not affect electrical compatibility with the base 55510-340 specification.

Q: Can I mix Amphenol ICC and Samtec connectors in the same design?

A: Yes, provided mating connectors are compatible. Both manufacturers' 40-position, 2.00mm pitch receptacles with identical row spacing and push-pull fastening are mechanically and electrically interchangeable. Verify mating connector compatibility with the specific plug connector used in your application.

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