Amphenol ICC 68666-001 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 68666-001 is a vertical rectangular connector header designed for through-hole mounting with 6 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The connector features shrouded 4-wall construction with solder termination and push-pull fastening, suitable for board-to-cable/wire interconnections in general-purpose applications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	6
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Shrouding	Shrouded - 4 Wall
Termination	Solder
Style	Board to Cable/Wire
Contact Shape	Square
Insulation Material	Polyester, Glass Filled
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 68666-001 is determined by strict equivalence across the following critical parameters:

Connector type (Header)
Contact type (Male Pin)
Pitch - mating (0.100" / 2.54mm)
Number of positions (6)
Number of rows (2)
Row spacing - mating (0.100" / 2.54mm)
Mounting type (Through Hole)
Shrouding (Shrouded - 4 Wall)
Termination (Solder)
Style (Board to Cable/Wire)
Contact shape (Square)
Material flammability rating (UL94 V-0)
Insulation color (Black)
MSL rating (1 - Unlimited)

All identified substitute parts maintain these core parameters. Variations in contact finish, contact material, fastening type, insulation material composition, and contact dimensions are secondary considerations that do not prevent functional substitution in applications where the primary electrical and mechanical interface requirements are met.

Parameter Comparison

Parameter	68666-001	68666-001HLF	0015800069	0901301206	0901301306	103168-1	5-102618-1	5-103168-1	8-87589-6
Manufacturer	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Molex	Molex	Molex	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	6	6	6	6	6	6	6	6	6
Number of Rows	2	2	2	2	2	2	2	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Style	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Palladium-Nickel	Palladium-Nickel	Gold	Gold	Gold	Gold	Gold	Gold	Tin
Contact Material	Phosphor Bronze Alloy	Phosphor Bronze Alloy	Copper Alloy	Brass	Brass	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Polyester, Glass Filled	Polyester, Glass Filled	Liquid Crystal Polymer (LCP), Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Thermoplastic	Thermoplastic	Thermoplastic	Polyamide (PA), Nylon, Glass Filled
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
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not applicable	ROHS3 Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

The 68666-001 is classified as obsolete, necessitating substitution for new designs and ongoing production. All identified substitute parts maintain functional equivalence across critical electrical and mechanical parameters.

Primary Recommendation: 68666-001HLF

The 68666-001HLF is the direct Amphenol ICC (FCI) equivalent, maintaining identical specifications to the original part while offering active product status and RoHS compliance. This substitution presents minimal design risk and requires no PCB or assembly modifications.

Secondary Recommendations: Molex C-Grid Series (0015800069, 0901301206, 0901301306)

Molex rectangular connectors from the C-Grid and C-Grid III series provide functional substitution with active product status and ROHS3 compliance. These parts maintain the required 2.54mm pitch, 6-position, 2-row configuration with shrouded 4-wall construction. Variations in contact finish (gold vs. palladium-nickel), contact material (copper alloy or brass vs. phosphor bronze), and fastening type (detent lock or latch holder vs. push-pull) do not prevent electrical or mechanical compatibility in standard applications.

Tertiary Recommendations: TE Connectivity AMPMODU Mod II Series (103168-1, 5-102618-1, 5-103168-1, 8-87589-6)

TE Connectivity rectangular connectors from the AMPMODU Mod II series provide functional substitution with active product status. These parts maintain the required pitch, position count, row configuration, and shrouding. The AMPMODU series offers specified operating temperature range (-65°C to 105°C) and current rating (3A), providing additional performance documentation. Contact finish variations (gold or tin) and insulation material differences (thermoplastic or polyamide) do not prevent functional substitution.

Compliance Considerations

The original 68666-001 is RoHS non-compliant. All substitute parts listed are either RoHS Compliant or ROHS3 Compliant, meeting current regulatory requirements for new production. All parts maintain UL94 V-0 flammability rating and MSL 1 (Unlimited) moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 68666-001 with any of the listed parts without PCB modification?

A: Yes. All listed substitute parts maintain identical pitch (0.100" / 2.54mm), position count (6), row configuration (2 rows), mounting type (through hole), and shrouding (4-wall). PCB footprints designed for the 68666-001 are compatible with all substitute parts listed.

Q: What is the difference between push-pull, detent lock, and latch holder fastening types?

A: These fastening types describe the mating mechanism between the header and its corresponding connector. Push-pull (68666-001) uses a simple push-to-mate, pull-to-release mechanism. Detent lock (TE Connectivity parts) provides positive engagement with audible/tactile feedback. Latch holder (Molex C-Grid III parts) uses mechanical latches for secure mating. All three types are functionally compatible with standard 2.54mm pitch mating connectors.

Q: Are there differences in contact finish that affect performance?

A: Contact finish variations (palladium-nickel, gold, or tin) affect corrosion resistance and contact resistance characteristics. Gold and palladium-nickel finishes provide superior corrosion resistance compared to tin. For general-purpose applications with standard environmental conditions, all finishes are functionally equivalent. Applications requiring enhanced corrosion resistance or low-contact-resistance performance should prioritize gold or palladium-nickel finished parts.

Q: What is the significance of RoHS compliance for substitution?

A: The original 68666-001 is RoHS non-compliant, indicating it may contain restricted substances. All substitute parts are RoHS Compliant or ROHS3 Compliant, meeting current regulatory requirements for electronic equipment sold in regulated markets. New designs should specify RoHS-compliant substitutes.

Q: Can I use parts from different manufacturers interchangeably?

A: Yes, within the constraints of the specified parameters. All listed parts maintain the critical electrical and mechanical interface specifications (pitch, position count, row spacing, mounting type, shrouding, termination). Variations in contact material, insulation material, and fastening type do not prevent interchangeability in applications where the primary interface requirements are met.

Q: What packaging options are available?

A: Substitute parts are available in multiple packaging formats: Bulk (68666-001HLF), Tube (0015800069), and Tray (0901301206, 0901301306, 103168-1, 5-102618-1, 5-103168-1, 8-87589-6). Packaging selection should be based on production volume and handling requirements.

Q: Are there inventory considerations for substitution?

A: Current inventory levels vary across substitute parts. The 68666-001HLF offers 797 pieces in stock. Molex parts range from 949 to 4751 pieces. TE Connectivity parts range from 918 to 12632 pieces. Inventory availability should be confirmed with component suppliers for production planning.

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