PLCC-084-T-A Equivalent & Substitute Parts

Part Overview

The PLCC-084-T-A is an 84-position PLCC socket manufactured by Samtec Inc., designed for surface mount applications with tin-plated beryllium copper contacts. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing production and maintenance applications. Substitute parts must maintain electrical and mechanical compatibility across critical parameters including pin count, pitch specifications, contact materials, and operating temperature ranges.

Substiute Parts

PLCC-084-T-A

Samtec Inc.In Stock: 893PLCC-084-T-A Datasheet

Current PartRFQ

8484-21A1-RK-TP

3MIn Stock: 24468484-21A1-RK-TP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for PLCC socket components is determined by the following critical parameters:

Mandatory Matching Parameters:

• Number of Positions: 84 (4 x 21)
• Pitch - Mating: 0.050" (1.27mm)
• Mounting Type: Surface Mount
• Contact Finish - Mating: Tin
• Type: PLCC

Acceptable Variation Parameters:

• Contact Material - Mating: Beryllium Copper or Copper Alloy
• Housing Material: Liquid Crystal Polymer (LCP) or Polybutylene Terephthalate (PBT), Glass Filled
• Operating Temperature: Minimum range must support application requirements
• Pitch - Post: Variation permitted if solder termination compatibility is maintained

The substitute part 8484-21A1-RK-TP from 3M meets all mandatory matching parameters and maintains functional equivalence through compatible contact materials and housing specifications.

Parameter Comparison

Engineering Selection Recommendations

The 8484-21A1-RK-TP from 3M is a direct functional equivalent for the obsolete PLCC-084-T-A. Both components share identical pin counts, mating pitch specifications, and surface mount configuration. The substitute maintains ROHS3 compliance and UL94 V-0 flammability rating, ensuring regulatory alignment.

The primary consideration is operating temperature range. The PLCC-084-T-A supports -55°C to 125°C, while the 8484-21A1-RK-TP operates from -40°C to 105°C. Applications requiring operation below -40°C or above 105°C must verify temperature compatibility before substitution.

Contact material differs between components: the original uses beryllium copper while the substitute uses copper alloy. Both materials are tin-plated and maintain equivalent electrical performance for standard PLCC socket applications. Housing material also differs (LCP versus glass-filled PBT), but both materials provide equivalent mechanical stability and environmental protection for surface mount solder termination.

The substitute part is currently in active production status, ensuring long-term availability and supply chain continuity compared to the obsolete original.

Frequently Asked Questions (FAQ)

Q: Can the 8484-21A1-RK-TP directly replace the PLCC-084-T-A in existing designs?

A: Yes, for applications operating within the -40°C to 105°C temperature range. Both components have identical pin counts (84), mating pitch (0.050"), and surface mount configuration. Verify your application's temperature requirements before substitution.

Q: What is the difference between beryllium copper and copper alloy contacts?

A: Both materials are tin-plated and provide equivalent electrical performance for PLCC socket applications. Beryllium copper offers slightly different mechanical properties, but for standard IC socket applications, copper alloy contacts in the 8484-21A1-RK-TP are functionally equivalent.

Q: Are there any compliance differences between these parts?

A: Both components are ROHS3 compliant, UL94 V-0 rated, and have MSL 1 (Unlimited) moisture sensitivity levels. Regulatory compliance is equivalent for both parts.

Q: Does the housing material difference affect performance?

A: No. Liquid Crystal Polymer (LCP) and glass-filled Polybutylene Terephthalate (PBT) both provide adequate mechanical stability and environmental protection for surface mount PLCC sockets. Material selection does not impact electrical performance or reliability for this application.

Q: What is the packaging difference?

A: The PLCC-084-T-A is supplied in standard packaging, while the 8484-21A1-RK-TP is supplied in tube packaging. Verify packaging requirements for your assembly process.

Q: Is the 8484-21A1-RK-TP currently available?

A: Yes. The 8484-21A1-RK-TP is in active production status, ensuring ongoing availability and supply chain reliability compared to the obsolete PLCC-084-T-A.