Amphenol ICC 76308-218 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 76308-218 is an 18-position receptacle connector with 0.100" (2.54mm) pitch, gold-plated mating contacts, and through-hole solder termination. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support, maintenance, and production continuity. The BergCon® series receptacle serves board-to-board and cable applications requiring reliable push-pull fastening and UL94 V-0 flammability compliance.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	18
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Finish - Mating	Gold
Fastening Type	Push-Pull
Insulation Material	Thermoplastic, Polyester, Glass Filled
Material Flammability Rating	UL94 V-0
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 76308-218 is determined by strict alignment of the following parameters:

Connector Type: Receptacle (female socket contact)
Number of Positions: 18 positions
Pitch - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Contact Finish - Mating: Gold or equivalent surface treatment
Insulation Height: 0.335" (8.51mm) or compatible
Material Flammability Rating: UL94 V-0

Substitute parts are grouped into two categories:

Direct Equivalents (identical contact type and finish): Parts that maintain female socket contacts with gold mating finish and equivalent mechanical dimensions.

Functional Equivalents (alternative contact geometry or finish): Parts that meet all electrical and mechanical requirements but employ different contact shapes (circular vs. square) or alternative contact finishes (tin vs. gold) while maintaining compatibility with standard 0.100" pitch headers.

Parameter Comparison

Parameter	76308-218 (Main)	0901471318 (Molex)	ESS-118-G-23 (Samtec)	ESS-118-T-23 (Samtec)	ESS-118-TT-23 (Samtec)	PPPC181LFBN-RC (Sullins)	PPTC181LFBN-RC (Sullins)	SSW-118-01-L-S (Samtec)	SSW-118-01-G-S-LL (Samtec)	SSW-118-02-S-S (Samtec)
Connector Type	Receptacle	Receptacle	Elevated Socket	Elevated Socket	Elevated Socket	Header	Header	Receptacle	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Forked	Forked	Forked
Number of Positions	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)
Mounting Type	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	Kinked Pin, Solder	Solder
Fastening Type	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	Tin	Gold	Tin	Gold	Gold	Gold
Insulation Height	0.335" (8.51mm)	0.335" (8.51mm)	0.300" (7.62mm)	0.300" (7.62mm)	0.300" (7.62mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)
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
Operating Temperature	—	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: Molex 0901471318

The Molex 0901471318 provides the closest functional match to the 76308-218. Both are 18-position receptacles with 0.100" pitch, gold mating contacts, and identical insulation height (0.335"). The Molex part is ROHS3 compliant and carries active product status, ensuring long-term availability. Operating temperature range (-55°C to 105°C) covers most industrial applications. Current rating of 3A per contact and 350V voltage rating support general-purpose and telecommunications applications.

Secondary Recommendation: Samtec SSW-118-01-L-S

The Samtec SSW-118-01-L-S receptacle maintains all critical mechanical and electrical parameters with forked contact geometry and gold mating finish. Extended operating temperature range (-55°C to 125°C) and higher current rating (4.7A per contact) provide enhanced performance margins. ROHS3 compliance and active product status ensure supply continuity. Insulation height matches the original specification at 0.335".

Alternative for Cost Optimization: Sullins PPPC181LFBN-RC

The Sullins PPPC181LFBN-RC header connector with female socket contacts offers functional compatibility with 0.100" pitch headers. Gold mating finish and 0.335" insulation height maintain mechanical compatibility. ROHS3 compliance and high inventory availability (14,651 units) support cost-effective procurement. Operating temperature range (-40°C to 105°C) is suitable for commercial and industrial applications.

Tin-Finish Alternative: Samtec ESS-118-TT-23

For applications where tin finish is acceptable, the Samtec ESS-118-TT-23 elevated socket connector provides UL94 V-0 compliance and extended temperature range (-55°C to 125°C). Circular contact geometry and liquid crystal polymer insulation offer alternative mechanical properties while maintaining 0.100" pitch and 18-position configuration.

Discontinued Part Note: Samtec SSW-118-02-S-S

The Samtec SSW-118-02-S-S is discontinued at DiGi Electronics and should not be selected for new designs despite meeting electrical specifications. Use SSW-118-01-L-S or SSW-118-01-G-S-LL as active alternatives.

Frequently Asked Questions (FAQ)

Q: Can I use a header connector (PPPC181LFBN-RC) as a direct replacement for the receptacle (76308-218)?

A: No. Headers and receptacles are complementary connector types. A header has male pins; a receptacle has female sockets. The 76308-218 receptacle mates with a header. If your application requires a receptacle, select from the receptacle or elevated socket options (Molex 0901471318, Samtec SSW series, or Samtec ESS series). If you need a header equivalent, the PPPC181LFBN-RC is appropriate for mating with receptacles.

Q: What is the difference between standard receptacles and elevated socket connectors?

A: Elevated socket connectors (Samtec ESS series) feature a raised insulation body that provides additional clearance above the PCB. Standard receptacles (Molex 0901471318, Samtec SSW series) mount flush to the board. Elevated sockets are used when vertical space or component clearance is critical. Both types maintain 0.100" pitch and 18-position compatibility.

Q: Does the contact finish (gold vs. tin) affect compatibility?

A: Contact finish affects corrosion resistance and mating force characteristics but does not prevent mechanical mating. Gold-plated contacts (76308-218, 0901471318, SSW-118-01-L-S) provide superior corrosion resistance for harsh environments. Tin-plated contacts (PPTC181LFBN-RC, ESS-118-TT-23) are suitable for controlled environments and cost-sensitive applications. Both finishes are compatible with standard 0.100" pitch headers.

Q: Why is the Molex 0901471318 recommended over other options?

A: The Molex 0901471318 matches the original 76308-218 in connector type (receptacle), contact type (female socket), insulation height (0.335"), and contact finish (gold). It is ROHS3 compliant, carries active product status with established supply chains, and includes published electrical ratings (3A, 350V). These factors ensure design compatibility and procurement reliability.

Q: Can I substitute a part with a different insulation height?

A: Insulation height affects PCB clearance and mating alignment. The 76308-218 specifies 0.335" height. Samtec ESS series parts have 0.300" height, reducing clearance by 0.035". This difference may affect board layout and component spacing. For critical applications, maintain the 0.335" specification using Molex 0901471318, Sullins PPPC181LFBN-RC, or Samtec SSW series.

Q: What is the significance of RoHS compliance for this connector?

A: The original 76308-218 is RoHS non-compliant, indicating lead-based solder or restricted substances in its composition. All recommended substitutes are ROHS3 compliant, meeting current environmental regulations and supporting compliance with customer requirements. ROHS3 compliance is mandatory for new designs and recommended for legacy system updates.

Q: Are there current or voltage limitations I should consider?

A: The 76308-218 does not specify current or voltage ratings. Substitute parts provide the following ratings: Molex 0901471318 (3A, 350V), Samtec SSW series (4.7A per contact), and Sullins PPPC181LFBN-RC (3A, 250V). Select based on your application requirements. For high-current applications, Samtec SSW series offers superior current handling.

Q: What is the operating temperature range for the 76308-218?

A: The original part does not specify operating temperature. Substitute parts range from -40°C to 125°C. Molex 0901471318 operates -55°C to 105°C; Samtec parts operate -55°C to 125°C. Select based on your thermal environment. Extended range (-55°C to 125°C) is recommended for industrial and automotive applications.

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