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TE Connectivity AMP Connectors 4-1571551-9 Equivalent & Substitute Parts
Part Overview
The TE Connectivity AMP Connectors 4-1571551-9 is a 28-position DIP socket with 0.6" row spacing, gold-plated mating contacts, and through-hole solder termination. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and procurement needs. The socket accommodates standard 28-pin DIP integrated circuits with 0.100" pitch configuration.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | 4-1571551-9 |
| Manufacturer | TE Connectivity AMP Connectors |
| Category | Sockets for ICs, Transistors |
| Number of Positions | 28 (2 x 14) |
| Type | DIP, 0.6" (15.24mm) Row Spacing |
| Pitch - Mating | 0.100" (2.54mm) |
| Contact Finish - Mating | Gold |
| Contact Material - Mating | Beryllium Copper |
| Mounting Type | Through Hole |
| Termination | Solder |
| Operating Temperature Range | -55°C ~ 125°C |
| Product Status | Obsolete |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the 4-1571551-9 is determined by the following critical parameters:
Core Compatibility Parameters:
- Number of Positions: 28 (2 x 14)
- Pitch - Mating: 0.100" (2.54mm)
- Type: DIP, 0.6" (15.24mm) Row Spacing
- Mounting Type: Through Hole
- Termination: Solder
Electrical Performance Parameters:
- Contact Material - Mating: Beryllium Copper
- Contact Finish - Mating: Gold
- Operating Temperature Range: -55°C ~ 125°C (or compatible subset)
Regulatory Compliance:
- RoHS Status: RoHS3 Compliant or RoHS Compliant
- Material Flammability Rating: UL94 V-0
Substitute parts must maintain the same 28-position DIP configuration with 0.100" mating pitch and 0.6" row spacing. Contact material and finish specifications determine electrical performance and reliability characteristics. All listed substitutes meet or exceed the core mechanical and electrical requirements of the original part.
Parameter Comparison
| Parameter | 4-1571551-9 (TE Connectivity) | 210-43-628-41-001000 (Mill-Max) | 28-6518-10 (Aries) | 28-6518-11H (Aries) | 612-91-628-41-003000 (Mill-Max) | 614-87-628-41-001101 (Preci-Dip) | 4828-6004-CP (3M) |
|---|---|---|---|---|---|---|---|
| Number of Positions | 28 (2 x 14) | 28 (2 x 14) | 28 (2 x 14) | 28 (2 x 14) | 28 (2 x 14) | 28 (2 x 14) | 28 (2 x 14) |
| Type | DIP, 0.6" Row Spacing | DIP, 0.6" Row Spacing | DIP, 0.6" Row Spacing | DIP, 0.6" Row Spacing | DIP, 0.6" Row Spacing | DIP, 0.6" Row Spacing | DIP, 0.6" Row Spacing |
| 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) |
| Contact Finish - Mating | Gold | Gold | Gold | Gold | Gold | Gold | Tin |
| Contact Finish Thickness - Mating | 25.0µin (0.63µm) | 30.0µin (0.76µm) | 10.0µin (0.25µm) | 10.0µin (0.25µm) | 10.0µin (0.25µm) | Flash | 35.4µin (0.90µm) |
| Contact Material - Mating | Beryllium Copper | Beryllium Copper | Beryllium Copper | Beryllium Copper | Beryllium Copper | Beryllium Copper | Phosphor Bronze |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Features | Closed Frame | Closed Frame | Open Frame | Open Frame | Carrier, Open Frame | Carrier, Open Frame | Open Frame |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Operating Temperature Range | -55°C ~ 125°C | -55°C ~ 125°C | Not Specified | Not Specified | -55°C ~ 125°C | -55°C ~ 125°C | -25°C ~ 85°C |
| Material Flammability Rating | UL94 V-0 | Not Specified | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Contact Resistance | 10mOhm | Not Specified | Not Specified | Not Specified | 10mOhm | 10mOhm | Not Specified |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Direct Replacement - Highest Compatibility:
The 210-43-628-41-001000 (Mill-Max Manufacturing Corp., Series 210) provides the closest functional equivalence to the 4-1571551-9. This part maintains identical 28-position DIP configuration, 0.100" mating pitch, gold contact finish on beryllium copper mating contacts, and -55°C to 125°C operating temperature range. The part is active and ROHS3 compliant, ensuring long-term availability and regulatory compliance.
Alternative Substitutes - Gold-Plated Mating Contacts:
The Aries Electronics 28-6518-11H and 28-6518-11 parts offer active status with gold-plated mating contacts on beryllium copper. These parts feature open frame construction and are available in bulk packaging. The 28-6518-11H is supplied in bulk format with 751 units in stock, while 28-6518-11 is also bulk-packaged with 809 units available. Both maintain UL94 V-0 flammability rating and ROHS3 compliance.
The Mill-Max 612-91-628-41-003000 (Series 612) provides carrier-based socket construction with gold mating contacts, beryllium copper contact material, and 10mOhm contact resistance specification matching the original part. Operating temperature range extends from -55°C to 125°C with UL94 V-0 rating and ROHS3 compliance.
The Preci-Dip 614-87-628-41-001101 (Series 614) features carrier and open frame construction with gold flash mating contacts on beryllium copper. This part maintains -55°C to 125°C operating temperature range, UL94 V-0 flammability rating, and 10mOhm contact resistance specification.
Alternative Substitute - Tin-Plated Mating Contacts:
The 3M 4828-6004-CP (Series 4800) provides 28-position DIP socket configuration with tin-plated phosphor bronze mating contacts. This part operates within -25°C to 85°C temperature range, which is narrower than the original specification. The part is active, ROHS3 compliant, and UL94 V-0 rated. Selection of this part requires confirmation that the reduced operating temperature range is acceptable for the application.
Packaging Considerations:
Substitute parts are available in multiple packaging formats: tube packaging (210-43-628-41-001000, 28-6518-10, 28-6518-10T, 612-91-628-41-003000, 4828-6004-CP), bulk packaging (28-6518-11H, 28-6518-11, 614-87-628-41-001101), and carrier formats (612-91-628-41-003000, 614-87-628-41-001101). Packaging selection depends on assembly process requirements and inventory management practices.
Frequently Asked Questions (FAQ)
Q: What are the critical parameters that determine if a part can substitute for the 4-1571551-9?
A: The following parameters must match or be compatible: 28-position DIP configuration, 0.100" mating pitch, 0.6" row spacing, through-hole solder termination, and beryllium copper mating contact material. Contact finish (gold or tin) and operating temperature range are secondary parameters that may vary depending on application requirements.
Q: Can I use the 3M 4828-6004-CP as a direct replacement?
A: The 3M 4828-6004-CP maintains the same 28-position DIP configuration and 0.100" pitch. However, it features tin-plated phosphor bronze mating contacts instead of gold-plated beryllium copper, and operates within -25°C to 85°C rather than -55°C to 125°C. This part is suitable only if the application operates within the narrower temperature range and tin contact finish is acceptable.
Q: What is the difference between closed frame and open frame socket construction?
A: The original 4-1571551-9 features closed frame construction. Most substitute parts listed feature open frame construction. Frame design affects mechanical support and insertion force characteristics. Closed frame sockets provide additional structural support around the perimeter, while open frame sockets have reduced material around the contact area. Both designs accommodate standard 28-pin DIP packages with 0.100" pitch.
Q: Are all substitute parts RoHS compliant?
A: All listed substitute parts are ROHS3 compliant or RoHS compliant. The original 4-1571551-9 is RoHS compliant. All parts meet current regulatory requirements for hazardous substance restrictions.
Q: What is the significance of contact resistance specification?
A: Contact resistance of 10mOhm is specified for the original 4-1571551-9, 612-91-628-41-003000, and 614-87-628-41-001101. This specification indicates the electrical resistance at the mating interface. Parts without specified contact resistance values do not provide this performance metric in available documentation.
Q: Can I mix different substitute parts in the same assembly?
A: All listed substitute parts maintain the same 28-position DIP configuration and 0.100" mating pitch, allowing physical interchangeability on the same PCB. However, mixing parts with different contact finishes (gold versus tin) or different operating temperature ranges may introduce inconsistent electrical performance or reliability characteristics across the assembly. Standardization on a single substitute part is recommended for production designs.
Q: What packaging format should I select?
A: Tube packaging is suitable for automated pick-and-place assembly processes. Bulk packaging is appropriate for manual assembly or when packaging material is not a constraint. Carrier-based formats (612-91-628-41-003000, 614-87-628-41-001101) provide additional structural support during handling and storage. Selection depends on assembly process requirements and inventory management practices.
Q: Why is the original 4-1571551-9 marked as obsolete?
A: Obsolete status indicates that TE Connectivity AMP Connectors has discontinued production of this part. Active substitute parts from Mill-Max, Aries Electronics, Preci-Dip, and 3M provide equivalent or superior functionality with ongoing manufacturer support and availability.
Q: Do all substitute parts have the same termination post length?
A: The original 4-1571551-9 specifies 0.125" (3.18mm) termination post length. Most substitute parts maintain this specification. The 612-91-628-41-003000 features 0.183" (4.65mm) post length, and the 614-87-628-41-001101 specifies 0.136" (3.45mm). Termination post length affects solder joint formation and PCB hole depth requirements. Verify PCB design compatibility before selecting parts with non-standard post lengths.
Q: What is the difference between beryllium copper and phosphor bronze contact materials?
A: Beryllium copper provides superior electrical conductivity and spring characteristics, making it the preferred material for the original 4-1571551-9 and most substitute parts. Phosphor bronze, used in the 3M 4828-6004-CP, offers adequate performance for general-purpose applications but with slightly lower conductivity. Beryllium copper is specified in all gold-plated substitute options.
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