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ICO-316-MTT DIP Socket Equivalent & Substitute Parts
Part Overview
The ICO-316-MTT is a 16-position DIP socket manufactured by Samtec Inc., designed for through-hole mounting applications requiring low-profile screw machine contact technology. This socket accommodates dual inline package (DIP) integrated circuits with 0.3" (7.62mm) row spacing and 0.100" (2.54mm) pitch contacts. The product is currently active in production with 712 units in stock. Equivalent and substitute parts are identified to provide procurement flexibility, ensure supply chain continuity, and support design requirements where alternative manufacturers' components meet identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Type | DIP, 0.3" (7.62mm) Row Spacing |
| Number of Positions | 16 (2 x 8) |
| Pitch - Mating | 0.100" (2.54mm) |
| Pitch - Post | 0.100" (2.54mm) |
| Contact Finish - Mating | Tin |
| Contact Finish - Post | Tin |
| Contact Material - Mating | Beryllium Copper |
| Contact Material - Post | Brass |
| Mounting Type | Through Hole |
| Termination | Solder |
| Features | Open Frame |
| Operating Temperature Range | -55°C ~ 105°C |
| Current Rating | 1 A |
| Contact Resistance | 10mOhm |
| RoHS Status | ROHS3 Compliant |
| Material Flammability Rating | UL94 V-0 |
Substitute Part Grouping Explanation
Substitution eligibility for the ICO-316-MTT is determined by strict alignment of the following critical parameters:
Mechanical Compatibility:
- Position count: 16 (2 x 8) configuration
- Pitch specifications: 0.100" (2.54mm) for both mating and post
- Row spacing: 0.3" (7.62mm)
- Mounting type: Through hole solder termination
- Open frame design
Electrical Compatibility:
- Contact finish: Tin on both mating and post surfaces
- Contact material: Beryllium copper for mating contacts; brass for post contacts
- Termination method: Solder
Regulatory Compliance:
- RoHS3 compliance required
- ECCN classification: EAR99
The substitute part 110-44-316-41-001000 (Mill-Max Manufacturing Corp.) meets all mechanical and electrical compatibility criteria. Substitution is valid where these parameters align precisely with the original specification.
Parameter Comparison
| Parameter | ICO-316-MTT (Samtec) | 110-44-316-41-001000 (Mill-Max) | Compatibility |
|---|---|---|---|
| Type | DIP, 0.3" Row Spacing | DIP, 0.3" Row Spacing | Match |
| Number of Positions | 16 (2 x 8) | 16 (2 x 8) | Match |
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) | Match |
| Pitch - Post | 0.100" (2.54mm) | 0.100" (2.54mm) | Match |
| Contact Finish - Mating | Tin | Tin | Match |
| Contact Finish - Post | Tin | Tin | Match |
| Contact Material - Mating | Beryllium Copper | Beryllium Copper | Match |
| Contact Material - Post | Brass | Brass Alloy | Match |
| Mounting Type | Through Hole | Through Hole | Match |
| Termination | Solder | Solder | Match |
| Features | Open Frame | Open Frame | Match |
| Operating Temperature Range | -55°C ~ 105°C | -55°C ~ 125°C | Compatible (Mill-Max rated higher) |
| Current Rating | 1 A | 3 A | Compatible (Mill-Max rated higher) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Match |
Engineering Selection Recommendations
Primary Selection (ICO-316-MTT): The Samtec ICO-316-MTT remains the specified component for applications designed to its exact parameters. Product status is active with established supply (712 units in stock). Full RoHS3 compliance and UL94 V-0 flammability rating are certified.
Substitute Selection (110-44-316-41-001000): The Mill-Max 110-44-316-41-001000 is a direct functional equivalent meeting all mechanical and electrical compatibility requirements. This substitute is appropriate for:
- Supply chain contingency where Samtec inventory is unavailable
- Applications requiring higher current capacity (3 A vs. 1 A rating)
- Applications requiring extended operating temperature range (-55°C to 125°C vs. -55°C to 105°C)
Both components are ROHS3 compliant and carry EAR99 ECCN classification. The Mill-Max part includes additional specifications (contact finish thickness, termination post length, MSL rating) that provide enhanced documentation for quality assurance processes.
Frequently Asked Questions (FAQ)
Q: Can the Mill-Max 110-44-316-41-001000 be used as a direct replacement for the Samtec ICO-316-MTT?
A: Yes. Both sockets share identical mechanical dimensions (16-position DIP, 0.3" row spacing, 0.100" pitch), contact materials (beryllium copper mating, brass post), contact finish (tin), and mounting method (through-hole solder). Both are ROHS3 compliant. The Mill-Max part has higher current and temperature ratings, making it suitable for equivalent or more demanding applications.
Q: What are the key parameters that determine substitution eligibility?
A: Substitution is valid when the following parameters match: position count (16 positions in 2x8 configuration), pitch specifications (0.100" mating and post), row spacing (0.3"), contact materials and finishes (tin-plated beryllium copper and brass), mounting type (through-hole solder), and regulatory compliance (RoHS3). Deviations in any of these parameters invalidate substitution.
Q: Are there differences in housing material between these sockets?
A: Yes. The Samtec ICO-316-MTT uses polyester glass-filled housing. The Mill-Max 110-44-316-41-001000 uses polycyclohelylenedimethylene terephthalate (PCT) polyester. Both materials are suitable for DIP socket applications and do not affect electrical or mechanical compatibility.
Q: What is the significance of the higher current rating on the Mill-Max part?
A: The Mill-Max 110-44-316-41-001000 is rated for 3 A versus the Samtec 1 A rating. This indicates the Mill-Max contact design supports higher current density. For applications operating at or below 1 A, both parts are equivalent. For applications requiring higher current capacity, the Mill-Max part provides additional margin.
Q: Does the extended temperature range of the Mill-Max part affect compatibility?
A: No. The Mill-Max part is rated -55°C to 125°C, while the Samtec part is rated -55°C to 105°C. The Mill-Max extended range is a superset of the Samtec specification. Applications operating within the Samtec temperature range (-55°C to 105°C) are fully compatible with either socket.
Q: Are both parts available in the same packaging format?
A: Yes. Both the Samtec ICO-316-MTT and Mill-Max 110-44-316-41-001000 are supplied in tube packaging, suitable for automated assembly and manual handling.
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