Amphenol ICC 50003-1240F High Density Backplane Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 50003-1240F is a 240-position high-density backplane connector receptacle with female sockets, designed for through-hole, right-angle PCB mounting. This connector is part of the HPC™ series and features gold-plated contacts with a 0.100" (2.54mm) pitch arranged in a 4-row by 60-column configuration.

The 50003-1240F is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production and field service requirements for systems utilizing this connector.

Key Parameters

Parameter	Value
Connector Type	Receptacle, Female Sockets
Connector Style	High Density (HDC, HDI, HPC)
Number of Positions	240
Number of Rows	4
Number of Columns	60
Pitch	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Termination	Solder
Contact Finish	Gold
Contact Finish Thickness	30.0µin (0.76µm)
Features	Mating Guide
Series	HPC™
Base Product Number	50003

Substitute Part Grouping Explanation

Substitution for the 50003-1240F is determined by strict equivalence across the following critical parameters:

Connector Type & Style: Receptacle with female sockets in high-density configuration
Position Count & Layout: 240 positions in 4 rows × 60 columns
Pitch & Spacing: 0.100" (2.54mm) center-to-center spacing
Mounting Configuration: Through-hole, right-angle orientation for PCB mounting
Termination Method: Solder termination for permanent board attachment
Contact Material & Finish: Gold plating at 30.0µin (0.76µm) thickness
Series Designation: HPC™ series compatibility

The substitute part 50003-1240FLF meets all these criteria while offering improved product status and compliance characteristics.

Parameter Comparison

Parameter	50003-1240F (Main Part)	50003-1240FLF (Substitute)
Manufacturer	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Category	Backplane Connectors	Backplane Connectors
Series	HPC™	HPC™
Connector Type	Receptacle, Female Sockets	Receptacle, Female Sockets
Connector Style	High Density (HDC, HDI, HPC)	High Density (HDC, HDI, HPC)
Number of Positions	240	240
Number of Rows	4	4
Number of Columns	60	60
Pitch	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle
Termination	Solder	Solder
Contact Finish	Gold	Gold
Contact Finish Thickness	30.0µin (0.76µm)	30.0µin (0.76µm)
Features	Mating Guide	Mating Guide
Base Product Number	50003	50003
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040

Engineering Selection Recommendations

The 50003-1240FLF is the direct substitute for the obsolete 50003-1240F. Both connectors are electrically and mechanically identical across all specified parameters, including connector type, position count, pitch, mounting configuration, and contact finish specifications.

The primary distinction between these parts is product status and regulatory compliance:

50003-1240F: Obsolete status with RoHS non-compliant designation
50003-1240FLF: Active product status with RoHS Compliant certification

For new designs or ongoing production requiring this connector type, the 50003-1240FLF is the appropriate selection. For legacy system maintenance where the original 50003-1240F is specified, the 50003-1240FLF provides full functional and mechanical compatibility while offering improved compliance posture and assured long-term availability.

Frequently Asked Questions (FAQ)

Q: Are the 50003-1240F and 50003-1240FLF mechanically interchangeable?

A: Yes. Both connectors share identical mechanical specifications: 240 positions, 4-row by 60-column layout, 0.100" pitch, through-hole right-angle mounting, and gold contact finish at 30.0µin thickness. They are direct mechanical substitutes.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and RoHS compliance. The 50003-1240F is obsolete and RoHS non-compliant, while the 50003-1240FLF is an active product with RoHS Compliant certification. All electrical and mechanical parameters are identical.

Q: Can I use the 50003-1240FLF as a replacement in existing designs specified for the 50003-1240F?

A: Yes. The 50003-1240FLF is a direct substitute with identical connector specifications. No design modifications are required for PCB layout, mating interface, or electrical performance.

Q: Why does the part number include "FLF" in the substitute designation?

A: The "FLF" suffix indicates RoHS Compliant status and active product designation within Amphenol ICC's naming convention. The base product number 50003 and connector configuration remain unchanged.

Q: Are there any differences in contact reliability or performance between these parts?

A: No. Both parts feature identical gold plating specifications (30.0µin thickness), solder termination, and mating guide features. Contact reliability and electrical performance are equivalent.

Q: What is the MSL rating for these connectors?

A: Both connectors carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage or handling.

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