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ICO-624-AGT DIP Socket Equivalent & Substitute Parts
Part Overview
The ICO-624-AGT is a 24-position DIP socket manufactured by Samtec Inc., designed for through-hole mounting applications requiring gold-plated mating contacts. This socket accommodates dual inline package (DIP) integrated circuits with 0.6" row spacing and 0.100" pitch. The part is currently active in production with 773 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity when the primary part becomes unavailable or when alternative sourcing is required.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Number of Positions | 24 (2 x 12) | DIP socket configuration |
| Row Spacing | 0.6" (15.24mm) | Standard DIP package dimension |
| Pitch - Mating | 0.100" (2.54mm) | Contact center-to-center distance |
| Contact Finish - Mating | Gold | Electrical performance and corrosion resistance |
| Mounting Type | Through Hole | PCB assembly method |
| Operating Temperature Range | -55°C to 125°C | Environmental operating limits |
| Contact Material - Mating | Beryllium Copper | Spring contact performance |
| Termination | Solder | PCB connection method |
Substitute Part Grouping Explanation
Substitution eligibility for the ICO-624-AGT is determined by strict alignment of the following critical parameters:
Mandatory Matching Parameters:
- Number of Positions: 24 (2 x 12)
- Row Spacing: 0.6" (15.24mm)
- Pitch - Mating: 0.100" (2.54mm)
- Contact Finish - Mating: Gold
- Mounting Type: Through Hole
- Operating Temperature Range: -55°C to 125°C
- Termination: Solder
Allowable Variations:
- Contact Finish - Post: Tin or Tin-Lead (both acceptable for solder termination)
- Contact Finish Thickness - Post: Variation permitted within industry standards
- Contact Material - Post: Brass or Brass Alloy (both acceptable)
- Housing Material: Polyester or PCT-based polymers (both acceptable)
- Current Rating: Variation permitted if equal to or greater than 1 A
- Contact Resistance: Variation permitted if specification is provided
The substitute part 111-93-624-41-001000 manufactured by Mill-Max Manufacturing Corp. meets all mandatory matching parameters and is therefore classified as a direct electrical and mechanical equivalent.
Parameter Comparison
| Parameter | ICO-624-AGT (Samtec) | 111-93-624-41-001000 (Mill-Max) | Compatibility Status |
|---|---|---|---|
| Manufacturer | Samtec Inc. | Mill-Max Manufacturing Corp. | Different manufacturer |
| Number of Positions | 24 (2 x 12) | 24 (2 x 12) | Match |
| Row Spacing | 0.6" (15.24mm) | 0.6" (15.24mm) | Match |
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) | Match |
| Contact Finish - Mating | Gold | Gold | Match |
| Contact Finish Thickness - Mating | 30.0µin (0.76µm) | 30.0µin (0.76µm) | Match |
| Contact Material - Mating | Beryllium Copper | Beryllium Copper | Match |
| Mounting Type | Through Hole | Through Hole | Match |
| Features | Open Frame | Open Frame | Match |
| Termination | Solder | Solder | Match |
| Pitch - Post | 0.100" (2.54mm) | 0.100" (2.54mm) | Match |
| Contact Finish - Post | Tin | Tin-Lead | Compatible variation |
| Contact Finish Thickness - Post | 10.0µin (0.25µm) | 200.0µin (5.08µm) | Compatible variation |
| Contact Material - Post | Brass | Brass Alloy | Compatible variation |
| Housing Material | Polyester, Glass Filled | Polycyclohexylenedimethylene Terephthalate (PCT), Polyester | Compatible variation |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C | Match |
| Current Rating (Amps) | 1 A | 3 A | Compatible (higher rating) |
| Contact Resistance | 10mOhm | Not specified | Specification provided for main part only |
| RoHS Status | ROHS3 Compliant | RoHS non-compliant | Compliance difference |
| Product Status | Active | Active | Both in production |
| Inventory | 773 Pcs New Original In Stock | 831 Pcs New Original In Stock | Both available |
Engineering Selection Recommendations
Primary Selection: ICO-624-AGT
The ICO-624-AGT is the recommended primary choice for new designs and applications requiring RoHS3 compliance. This part is actively manufactured by Samtec Inc., maintains full RoHS3 certification, and is available in production quantities. The specified contact resistance of 10mOhm provides documented electrical performance characteristics.
Substitute Selection: 111-93-624-41-001000
The 111-93-624-41-001000 manufactured by Mill-Max Manufacturing Corp. is a direct electrical and mechanical equivalent suitable for applications where RoHS compliance is not a requirement. This part provides identical mating contact specifications, operating temperature range, and mechanical dimensions. The higher current rating of 3 A exceeds the 1 A specification of the primary part, providing additional margin for applications with higher current demands. The higher post contact finish thickness (200.0µin versus 10.0µin) offers enhanced durability for repeated insertion cycles.
Compliance Consideration:
The ICO-624-AGT maintains ROHS3 compliance, while the 111-93-624-41-001000 is RoHS non-compliant. Selection between these parts must account for end-product regulatory requirements and customer specifications regarding hazardous substance restrictions.
Inventory and Availability:
Both parts are currently in active production with adequate stock levels. The Mill-Max part shows slightly higher inventory (831 units versus 773 units), which may provide supply chain advantages in high-volume procurement scenarios.
Frequently Asked Questions (FAQ)
Q: Can the 111-93-624-41-001000 be used as a direct replacement for the ICO-624-AGT in existing designs?
A: Yes, from an electrical and mechanical standpoint. Both parts share identical mating contact specifications, row spacing, pitch, and operating temperature range. However, RoHS compliance status differs. If the end application or customer requires RoHS3 compliance, the ICO-624-AGT must be used. If RoHS compliance is not required, the Mill-Max part is electrically and mechanically compatible.
Q: What is the significance of the different post contact finish specifications?
A: The post contact finish (Tin for ICO-624-AGT versus Tin-Lead for 111-93-624-41-001000) affects solder joint formation and long-term reliability. Both finishes are acceptable for solder termination. The Mill-Max part's thicker post finish (200.0µin) provides enhanced durability for applications involving repeated insertion and removal cycles.
Q: Are these sockets compatible with standard 24-pin DIP integrated circuits?
A: Yes. Both sockets accommodate 24-position DIP packages with 0.6" row spacing and 0.100" pitch, which are standard dimensions for 24-pin DIP integrated circuits.
Q: What is the difference in current rating between these parts?
A: The ICO-624-AGT is rated for 1 A, while the 111-93-624-41-001000 is rated for 3 A. The higher rating of the Mill-Max part indicates greater current-carrying capacity. For applications requiring currents above 1 A, the Mill-Max part provides additional margin.
Q: Which part should be selected for new product designs?
A: For new designs, the ICO-624-AGT is recommended if RoHS3 compliance is required. The 111-93-624-41-001000 is suitable for applications where RoHS compliance is not a specification requirement and where the higher current rating or enhanced post finish durability provides design advantages.
Q: Are both parts available in the same packaging format?
A: Yes. Both parts are supplied in tube packaging, which is standard for DIP socket distribution and handling.
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