TE Connectivity AMP Connectors 1571541-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 1571541-4 is an 84-position PLCC socket designed for through-hole mounting applications. This component features tin-plated copper alloy contacts with a closed frame design and is rated for 1 ampere continuous current. The part is classified as obsolete, making equivalent and substitute components necessary for ongoing production and maintenance applications. Substitute parts must maintain electrical compatibility through matching pin count, pitch specifications, and current ratings while accommodating differences in contact materials and housing compositions.

Substiute Parts

1571541-4

TE Connectivity AMP ConnectorsIn Stock: 12361571541-4 Datasheet

Current PartRFQ

510-93-084-12-051001

Mill-Max Manufacturing Corp.In Stock: 935510-93-084-12-051001 Datasheet

SimilarRFQ

940-44-084-24-000000

Mill-Max Manufacturing Corp.In Stock: 1346940-44-084-24-000000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1571541-4 are identified based on the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

• Socket type classification (PLCC or PGA)
• Number of positions: 84 pins
• Mating pitch: 0.100" (2.54mm)
• Post pitch: 0.100" (2.54mm)
• Mounting configuration: Through hole
• Current rating: minimum 1 A
• Contact resistance: 30mOhm or lower
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Substitution Logic:

The 1571541-4 is directly substitutable with the Mill-Max Manufacturing Corp. 940-44-084-24-000000, which maintains identical PLCC socket architecture with 84 positions in a 4 x 21 grid configuration. Both components share matching mating and post pitch specifications of 0.100" (2.54mm), identical current ratings of 1 ampere, and equivalent contact resistance of 30mOhm. Both are RoHS3 compliant with MSL 1 ratings and feature closed frame designs suitable for through-hole soldering.

The Mill-Max Manufacturing Corp. 510-93-084-12-051001 represents a secondary substitute option with functional compatibility through matching 84-position count and identical pitch specifications. However, this component utilizes PGA socket architecture with a 12 x 12 grid configuration rather than PLCC format, and features gold-plated beryllium copper contacts instead of tin-plated copper alloy contacts. The higher current rating of 3 amperes and extended operating temperature range of -55°C to 125°C provide enhanced performance margins for applications requiring these specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: Mill-Max Manufacturing Corp. 940-44-084-24-000000

The 940-44-084-24-000000 is the direct functional equivalent for the obsolete 1571541-4. This component maintains identical PLCC socket architecture, pin count, pitch specifications, and current rating. Both parts are RoHS3 compliant with MSL 1 ratings and feature closed frame designs. The 940-44-084-24-000000 is currently in active production status with 1329 pieces available in inventory, providing supply continuity for applications previously using the 1571541-4. The contact resistance specification of 30mOhm matches the original component exactly. Housing material composition differs between PPS and PCT polyester formulations, but both materials meet UL94 V-0 flammability requirements and are suitable for through-hole soldering applications.

Secondary Substitute: Mill-Max Manufacturing Corp. 510-93-084-12-051001

The 510-93-084-12-051001 provides functional compatibility for applications where socket type flexibility exists. This PGA socket maintains the 84-position count and 0.100" (2.54mm) pitch specifications required for electrical compatibility. The component offers enhanced performance characteristics including a 3-ampere current rating and operating temperature range of -55°C to 125°C, compared to the original part's 1-ampere rating. Gold-plated beryllium copper contacts provide superior corrosion resistance compared to tin-plated copper alloy contacts. The 510-93-084-12-051001 is active in production with 844 pieces in inventory. Selection of this substitute requires verification that the 12 x 12 grid configuration accommodates the target application's physical layout requirements, as this differs from the original 4 x 21 PLCC grid.

Both substitute parts maintain compliance with RoHS3 and REACH requirements and carry MSL 1 ratings identical to the original component.

Frequently Asked Questions (FAQ)

Q: Can the 940-44-084-24-000000 directly replace the 1571541-4 in existing designs?

A: Yes. The 940-44-084-24-000000 maintains identical PLCC socket architecture with 84 positions in a 4 x 21 grid configuration, matching mating and post pitch specifications of 0.100" (2.54mm), and equivalent current and contact resistance ratings. Both components feature closed frame designs and are RoHS3 compliant with MSL 1 ratings. The primary difference is housing material composition (PCT polyester versus PPS), which does not affect electrical or mechanical compatibility for through-hole soldering applications.

Q: What are the key differences between the PLCC and PGA socket options?

A: The 940-44-084-24-000000 maintains the original PLCC socket type with a 4 x 21 pin grid configuration. The 510-93-084-12-051001 utilizes PGA socket architecture with a 12 x 12 pin grid configuration. Both accommodate 84 total positions with identical 0.100" (2.54mm) pitch specifications. PLCC sockets feature a rectangular footprint suitable for surface-mounted integrated circuits, while PGA sockets feature a square footprint designed for pin grid array packages. Socket type selection depends on the physical package format of the component being mounted.

Q: Are there operating temperature limitations with the 1571541-4 substitute options?

A: The original 1571541-4 does not specify an operating temperature range. The 940-44-084-24-000000 substitute also does not specify an operating temperature range. The 510-93-084-12-051001 specifies an operating temperature range of -55°C to 125°C, providing defined thermal performance characteristics. For applications requiring specific temperature performance, the 510-93-084-12-051001 offers documented thermal specifications.

Q: How do contact material differences affect component selection?

A: The 1571541-4 features tin-plated copper alloy contacts. The 940-44-084-24-000000 substitute features tin-plated beryllium copper contacts. The 510-93-084-12-051001 features gold-plated beryllium copper contacts. Tin plating provides adequate corrosion resistance for standard applications with contact resistance of 30mOhm. Gold plating provides enhanced corrosion resistance and lower contact resistance for high-reliability applications. Contact material selection depends on application environmental conditions and performance requirements.

Q: What is the significance of the closed frame versus open frame design?

A: Both the 1571541-4 and 940-44-084-24-000000 feature closed frame designs, which provide structural support and alignment for the socket contacts. The 510-93-084-12-051001 features an open frame design. Closed frame designs offer enhanced mechanical stability during insertion and removal cycles. Frame design selection depends on application mechanical requirements and insertion force specifications.

Q: Are all substitute options RoHS3 compliant?

A: Yes. The 1571541-4, 940-44-084-24-000000, and 510-93-084-12-051001 are all RoHS3 compliant. All three components carry MSL 1 (Unlimited) moisture sensitivity ratings and are REACH unaffected. Compliance certifications are identical across all options.

Q: What current rating should be selected for my application?

A: The 1571541-4 and 940-44-084-24-000000 are both rated for 1 ampere continuous current. The 510-93-084-12-051001 is rated for 3 amperes continuous current. Component selection should match or exceed the maximum continuous current requirements of the application. The 510-93-084-12-051001 provides higher current capacity for applications requiring enhanced current handling capability.