ICO-316-SST Equivalent & Substitute Parts

Part Overview

The ICO-316-SST is a 16-position DIP socket manufactured by Samtec Inc., designed for through-hole mounting of dual inline package integrated circuits. This connector features gold-plated beryllium copper mating contacts with 0.3" (7.62mm) row spacing and 0.100" (2.54mm) pitch. The part is currently active in production with 884 pieces in stock. Equivalent and substitute parts are identified based on matching electrical and mechanical specifications within the DIP socket category.

Key Parameters

Parameter	ICO-316-SST Value
Number of Positions	16 (2 x 8)
Row Spacing	0.3" (7.62mm)
Pitch - Mating	0.100" (2.54mm)
Pitch - Post	0.100" (2.54mm)
Contact Finish - Mating	Gold
Contact Material - Mating	Beryllium Copper
Mounting Type	Through Hole
Termination	Solder
Operating Temperature Range	-55°C to 125°C
Termination Post Length	0.125" (3.18mm)
Current Rating	1 A
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the ICO-316-SST are qualified based on the following critical parameters that must match or exceed the main part specifications:

Position Count & Row Spacing: 16 positions with 0.3" (7.62mm) row spacing (non-negotiable)
Pitch Specifications: 0.100" (2.54mm) mating and post pitch (non-negotiable)
Mounting & Termination: Through-hole solder termination (non-negotiable)
Operating Temperature: -55°C to 125°C minimum range
Termination Post Length: 0.125" (3.18mm)
Contact Material - Mating: Beryllium copper
Contact Finish - Mating: Gold plating acceptable
Current Rating: Minimum 1 A (higher ratings acceptable)

Substitutes are grouped by contact finish combinations (mating and post) and housing material variations. All qualified substitutes are manufactured by Mill-Max Manufacturing Corp. under the 110 series and maintain electrical and mechanical compatibility with the ICO-316-SST footprint.

Parameter Comparison

Part Number	Manufacturer	Positions	Row Spacing	Mating Pitch	Post Pitch	Mating Finish	Post Finish	Current Rating (A)	Operating Temp (°C)	Product Status	RoHS Status
ICO-316-SST	Samtec Inc.	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin	1	-55 to 125	Active	ROHS3 Compliant
110-13-316-41-001000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Gold	3	-55 to 125	Active	ROHS3 Compliant
110-13-316-41-801000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Gold	3	-55 to 125	Active	ROHS3 Compliant
110-41-316-41-001000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin	3	-55 to 125	Active	ROHS3 Compliant
110-43-316-41-001000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin	3	-55 to 125	Active	ROHS3 Compliant
110-43-316-41-801000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin	3	-55 to 125	Active	ROHS3 Compliant
110-44-316-41-001000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Tin	Tin	3	-55 to 125	Active	ROHS3 Compliant
110-83-316-41-530000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin-Lead	3	-55 to 125	Obsolete	ROHS3 Compliant
110-91-316-41-001000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin-Lead	3	-55 to 125	Active	RoHS non-compliant
110-93-316-41-001000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin-Lead	3	-55 to 125	Active	RoHS non-compliant
110-93-316-41-605000	Mill-Max	16 (2x8)	0.3" (7.62mm)	0.100" (2.54mm)	0.100" (2.54mm)	Gold	Tin-Lead	3	-55 to 125	Active	RoHS non-compliant

Engineering Selection Recommendations

Primary Substitutes (ROHS3 Compliant, Active Status)

For applications requiring ROHS3 compliance and active product status, the following substitutes are directly equivalent to ICO-316-SST:

110-13-316-41-001000: Gold mating and post finish. Higher current rating (3 A). Preferred for applications requiring enhanced contact durability and gold post termination.
110-41-316-41-001000: Gold mating finish with tin post finish. Matches the original tin post specification while providing higher current capacity.
110-43-316-41-001000: Gold mating finish with tin post finish. Includes decoupling capacitor feature option (801000 variant). Higher current rating (3 A).
110-44-316-41-001000: Tin mating and post finish. Suitable for cost-sensitive applications where gold mating finish is not required.

Secondary Substitutes (Non-Compliant or Obsolete Status)

110-83-316-41-530000: Obsolete status. Tin-lead post finish. Not recommended for new designs.
110-91-316-41-001000: RoHS non-compliant. Tin-lead post finish. Acceptable only for legacy systems or applications exempt from RoHS requirements.
110-93-316-41-001000 and 110-93-316-41-605000: RoHS non-compliant. Tin-lead post finish. Acceptable only for legacy systems or applications exempt from RoHS requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute ICO-316-SST with any of the Mill-Max 110 series parts?

A: Yes, all listed Mill-Max 110 series parts maintain the same 16-position DIP configuration with 0.3" row spacing and 0.100" pitch. Electrical and mechanical compatibility is ensured across all variants. Selection depends on contact finish requirements, current rating needs, and regulatory compliance status.

Q: What is the difference between gold and tin mating finishes?

A: Gold mating finish (ICO-316-SST and most 110 series variants) provides superior corrosion resistance and lower contact resistance. Tin mating finish (110-44-316-41-001000) is acceptable for standard applications but offers less corrosion protection. Both are electrically compatible.

Q: Why do some substitutes have higher current ratings (3 A vs 1 A)?

A: The Mill-Max 110 series parts are rated for 3 A continuous current, exceeding the ICO-316-SST specification of 1 A. This higher rating does not affect compatibility; it indicates enhanced current-carrying capability for demanding applications.

Q: Are tin-lead post finishes acceptable for new designs?

A: Tin-lead post finishes (110-83, 110-91, 110-93 series) are RoHS non-compliant. These parts are suitable only for legacy systems, military applications, or designs explicitly exempt from RoHS requirements. For new commercial designs, ROHS3-compliant alternatives are recommended.

Q: What is the significance of the decoupling capacitor feature?

A: The decoupling capacitor feature (801000 variants: 110-13-316-41-801000 and 110-43-316-41-801000) provides integrated capacitive decoupling. This feature is optional and does not affect basic socket compatibility. Selection depends on circuit design requirements.

Q: Can I use obsolete parts as substitutes?

A: The 110-83-316-41-530000 is marked obsolete. While electrically compatible, obsolete parts carry supply chain risk. Active alternatives are recommended for new designs and production applications.

Q: How do housing materials differ between substitutes?

A: ICO-316-SST uses polyester with glass filling. Mill-Max 110 series primarily uses polycyclohexylenedimethylene terephthalate (PCT) with polyester. Both materials meet UL94 V-0 flammability requirements and are mechanically compatible for through-hole mounting.

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