55510-032LF Equivalent & Substitute Parts Reference

Part Overview

The 55510-032LF is a 32-position receptacle connector manufactured by Amphenol ICC (FCI) in the Minitek® 2.00mm series. This surface mount board-to-board connector features gold-plated mating contacts, solder termination, and push-pull fastening. The part is active in production with 1042 units in current inventory. Substitute parts are identified when equivalent electrical and mechanical parameters align with application requirements, enabling component sourcing flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	32
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 Range	-55°C ~ 125°C
Current Rating	2A
Voltage Rating	200V
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 55510-032LF are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Matching Criteria:

32-position receptacle configuration
0.079" (2.00mm) mating pitch
2-row layout with 0.079" (2.00mm) row spacing
Surface mount solder termination
Push-pull fastening mechanism
Gold-plated mating contacts
UL94 V-0 flammability rating
Unlimited moisture sensitivity level (MSL 1)

The substitute parts A3-32DA-2SV(71) and A3A-32DA-2SV(71) from Hirose Electric Co Ltd meet these core electrical and mechanical parameters. Both are active production parts with equivalent connector architecture, contact configuration, and termination method. Differences in operating temperature range, current rating, voltage specification, and insulation material represent design variations within acceptable substitution boundaries for board-to-board rectangular connector applications.

Parameter Comparison

Parameter	55510-032LF (Amphenol ICC)	A3-32DA-2SV(71) (Hirose)	A3A-32DA-2SV(71) (Hirose)
Connector Type	Receptacle	Receptacle	Receptacle
Number of Positions	32	32	32
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Number of Rows	2	2	2
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Termination	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold
Contact Type	Female Socket	Female Socket	Female Socket
Operating Temperature Range	-55°C ~ 125°C	-55°C ~ 85°C	-55°C ~ 85°C
Current Rating	2A	1A	1A
Voltage Rating	200V	200VAC	200VAC
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Inventory Status	1042 Pcs New Original	838 Pcs New Original	1025 Pcs New Original

Engineering Selection Recommendations

Primary Part (55510-032LF): Select this Amphenol ICC part when the application requires the full operating temperature range of -55°C to 125°C and 2A current capacity. RoHS Compliant status supports standard industrial and medical applications. Active production status ensures long-term availability.

Substitute Part A3-32DA-2SV(71): This Hirose Electric part qualifies as a substitute when operating temperature requirements do not exceed 85°C and current demands remain at or below 1A. ROHS3 Compliant certification meets current regulatory requirements. Suitable for general purpose and telecommunications applications. Board-to-board or cable style flexibility provides design adaptability.

Substitute Part A3A-32DA-2SV(71): This Hirose Electric variant includes board guide features and maintains identical electrical and mechanical specifications to A3-32DA-2SV(71). Select this variant when board guide functionality is required for mechanical alignment and assembly stability. ROHS3 Compliant status and active production status support supply chain continuity. Highest current inventory (1025 units) provides immediate availability.

All three parts maintain UL94 V-0 flammability rating, MSL 1 moisture sensitivity, and phosphor bronze contact material. Selection between parts depends on application-specific requirements for temperature range, current capacity, and mechanical features rather than fundamental connector architecture.

Frequently Asked Questions (FAQ)

Q: Can A3-32DA-2SV(71) or A3A-32DA-2SV(71) directly replace 55510-032LF in all applications?

A: Direct replacement is possible only when application requirements align with the substitute part specifications. The Hirose parts operate to 85°C maximum (versus 125°C for the Amphenol part) and support 1A current (versus 2A). If your application requires the full temperature range or higher current capacity, the 55510-032LF is the appropriate selection.

Q: What is the difference between A3-32DA-2SV(71) and A3A-32DA-2SV(71)?

A: Both parts share identical electrical and mechanical parameters. The A3A variant includes board guide features for enhanced mechanical alignment during assembly. Select A3A-32DA-2SV(71) when board guide functionality is required; select A3-32DA-2SV(71) when board guide is not necessary.

Q: Are all three parts RoHS compliant?

A: Yes. The 55510-032LF carries RoHS Compliant certification. Both Hirose parts (A3-32DA-2SV(71) and A3A-32DA-2SV(71)) carry ROHS3 Compliant certification, which represents the current regulatory standard.

Q: Do these connectors support both board-to-board and cable applications?

A: The 55510-032LF is specified for board-to-board style. The Hirose substitute parts (A3-32DA-2SV(71) and A3A-32DA-2SV(71)) support both board-to-board and cable style configurations, providing additional design flexibility.

Q: What is the moisture sensitivity level for these parts?

A: All three parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage, handling, or assembly processes.

Q: Are the mating pitch and row spacing identical across all three parts?

A: Yes. All three parts maintain 0.079" (2.00mm) mating pitch and 0.079" (2.00mm) row spacing, ensuring mechanical compatibility in 32-position, 2-row configurations.

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