Amphenol ICC 68685-318 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 68685-318 is an 18-position rectangular connector receptacle with 0.100" (2.54mm) pitch, designed for through-hole board-to-board applications. This connector features gold-plated mating contacts, solder termination, and push-pull fastening. The product is currently obsolete, necessitating identification of active equivalent and substitute parts that maintain functional compatibility while meeting current procurement and compliance requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	68685-318
Manufacturer	Amphenol ICC (FCI)
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	18
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold or Gold, GXT™
Insulation Color	Black
Insulation Height	0.276" (7.00mm)
Operating Temperature	-65°C ~ 125°C
Material Flammability Rating	UL94 V-0
Voltage Rating	1000V
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the 68685-318 is based on the following critical parameters that must align for functional compatibility:

Primary Matching Criteria:

Number of positions: 18
Pitch - mating: 0.100" (2.54mm)
Connector type: Receptacle or Socket (both acceptable for board-to-board applications)
Contact type: Female Socket
Mounting type: Through Hole
Termination: Solder
Fastening type: Push-Pull
Insulation color: Black
Material flammability rating: UL94 V-0

Secondary Compatibility Parameters:

Insulation height: 0.276" (7.00mm) preferred, minor variations acceptable
Contact finish - mating: Gold
Operating temperature range: Must support -55°C to 125°C minimum
Contact material: Beryllium Copper or Phosphor Bronze

Substitute parts are grouped into two categories based on manufacturer and product status:

Category 1: Preci-Dip 316 Series (Active Status) Parts 316-83-118-41-003101, 316-83-118-41-018101, 316-87-118-41-003101, 316-87-118-41-018101 are socket connectors with active product status and RoHS3 compliance. These represent modern alternatives with improved compliance profiles.

Category 2: Mill-Max 801 Series (Active Status) Parts 801-41-018-10-001000, 801-41-018-10-004000, 801-83-018-10-001101, 801-83-018-10-004101, 801-83-018-10-132101, 801-83-018-10-143101 are receptacle and socket connectors with active product status. The 801-41 series maintains receptacle configuration matching the original part type.

Category 3: Preci-Dip 801 Series (Active Status) Parts 801-83-018-10-001101, 801-83-018-10-004101, 801-83-018-10-132101, 801-83-018-10-143101 are socket connectors with active product status and RoHS3 compliance.

Parameter Comparison

Parameter	68685-318 (Main)	316-83-118-41-003101	316-83-118-41-018101	316-87-118-41-003101	316-87-118-41-018101	801-41-018-10-001000	801-41-018-10-004000	801-83-018-10-001101	801-83-018-10-004101	801-83-018-10-132101	801-83-018-10-143101
Connector Type	Receptacle	Socket	Socket	Socket	Socket	Receptacle	Receptacle	Socket	Socket	Socket	Socket
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	18	18	18	18	18	18	18	18	18	18	18
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)	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	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Kinked Pin, Solder
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 or Gold, GXT™	Gold	Gold	Flash	Flash	Gold	Gold	Gold	Gold	Gold	Gold
Contact Finish Thickness - Mating	30.0µin (0.76µm)	29.5µin (0.75µm)	29.5µin (0.75µm)	Flash	Flash	10.0µin (0.25µm)	10.0µin (0.25µm)	29.5µin (0.75µm)	29.5µin (0.75µm)	29.5µin (0.75µm)	29.5µin (0.75µm)
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Insulation Height	0.276" (7.00mm)	0.315" (8.00mm)	0.276" (7.00mm)	0.315" (8.00mm)	0.276" (7.00mm)	0.276" (7.00mm)	0.272" (6.91mm)	0.276" (7.00mm)	0.276" (7.00mm)	0.276" (7.00mm)	0.276" (7.00mm)
Operating Temperature	-65°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
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	UL94 V-0	UL94 V-0
Current Rating (Amps)	Not specified	3A	3A	3A	3A	4.5A	4.5A	3A	3A	3A	3A
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For RoHS3 Compliant Applications:

Select from the Preci-Dip 316 series (316-83-118-41-003101, 316-83-118-41-018101, 316-87-118-41-003101, 316-87-118-41-018101) or Preci-Dip 801 series (801-83-018-10-001101, 801-83-018-10-004101, 801-83-018-10-132101, 801-83-018-10-143101). All are active products with ROHS3 compliance and REACH unaffected status. The 316 series offers insulation height options of 0.315" (8.00mm) or 0.276" (7.00mm). The 801-83 series maintains consistent 0.276" (7.00mm) insulation height matching the original part.

For Receptacle Configuration Matching:

Select Mill-Max 801-41-018-10-001000 or 801-41-018-10-004000. Both maintain receptacle connector type identical to the original 68685-318. The 801-41-018-10-004000 is packaged in tube format. Note that these parts are RoHS non-compliant.

For Socket Configuration (Interchangeable in Board-to-Board Applications):

Socket connectors from Preci-Dip 316 and 801 series are functionally compatible in board-to-board applications where mating occurs with a complementary connector. All socket options are active products with RoHS3 compliance.

Contact Finish Considerations:

Parts 316-87-118-41-003101 and 316-87-118-41-018101 feature flash gold finish on mating contacts, differing from the standard gold plating of other substitutes. Mill-Max 801-41 series provides minimal gold plating (10.0µin / 0.25µm) compared to Preci-Dip alternatives (29.5µin / 0.75µm).

Temperature Range Limitation:

All substitute parts operate from -55°C to 125°C, which is narrower than the original part's -65°C to 125°C range. Applications requiring operation below -55°C require design review.

Frequently Asked Questions (FAQ)

Q: Can socket connectors substitute for the receptacle 68685-318?

A: Yes. In board-to-board applications, socket and receptacle connectors are functionally interchangeable when mated with complementary connector types. The critical parameters are pitch (0.100" / 2.54mm), position count (18), contact type (female socket), and mounting method (through hole solder). Socket connectors from Preci-Dip 316 and 801 series meet all functional requirements.

Q: What is the difference between Preci-Dip 316 and 801 series substitutes?

A: Both series are 18-position, 0.100" pitch socket connectors with identical electrical and mechanical compatibility. The 316 series offers insulation height options (0.315" or 0.276"), while the 801-83 series maintains 0.276" height. Both are active products with RoHS3 compliance. Selection depends on available inventory and specific PCB layout requirements.

Q: Why do some substitutes have lower current ratings (3A vs. 4.5A)?

A: Current rating is determined by contact material and cross-sectional area. Preci-Dip parts (316 and 801-83 series) are rated 3A, while Mill-Max 801-41 series is rated 4.5A. The original 68685-318 does not specify current rating. For applications requiring higher current capacity, Mill-Max 801-41 series is preferred.

Q: Are there RoHS-compliant alternatives?

A: Yes. Preci-Dip 316 series (all variants) and Preci-Dip 801-83 series (all variants) are ROHS3 compliant. Mill-Max 801-41 series is RoHS non-compliant. For new designs or applications with RoHS requirements, Preci-Dip alternatives are mandatory.

Q: What is the difference between packaging options (Bulk vs. Tube)?

A: Mill-Max 801-41-018-10-001000 is supplied in bulk packaging, while 801-41-018-10-004000 is supplied in tube packaging. Both parts are electrically and mechanically identical. Packaging selection depends on assembly process requirements and inventory management practices.

Q: Does the kinked pin termination of 801-83-018-10-143101 affect compatibility?

A: No. Kinked pin termination is a manufacturing variation that improves mechanical retention during PCB assembly. The electrical and mechanical interface remains identical to standard solder termination variants. This part is fully compatible with the original application.

Q: What is the operating temperature limitation of substitutes?

A: All substitute parts operate from -55°C to 125°C, compared to the original part's -65°C to 125°C. Applications requiring operation below -55°C must be evaluated for alternative solutions. The material flammability rating (UL94 V-0) is maintained across all substitutes.

Q: Can I mix different substitute part numbers in the same assembly?

A: Yes, provided all parts meet the application's electrical, mechanical, and compliance requirements. However, standardizing on a single part number per connector position is recommended for manufacturing consistency, traceability, and supply chain management.

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