A-CCS 084-Z-SM PLCC 84-Position Socket Equivalent & Substitute Parts

Part Overview

The A-CCS 084-Z-SM is an 84-position PLCC socket manufactured by Assmann WSW Components, designed for surface mount applications. This component is classified as a socket for ICs and transistors with tin-plated contacts and a closed frame design. The part is currently active in production status with 992 units in stock. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and component availability options for applications requiring 84-position PLCC socket functionality.

Substiute Parts

A-CCS 084-Z-SM

Assmann WSW ComponentsIn Stock: 1010A-CCS 084-Z-SM Datasheet

Current PartRFQ

8484-21A1-RK-TP

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

DirectRFQ

8484-21B1-RK-TP

3MIn Stock: 21788484-21B1-RK-TP Datasheet

DirectRFQ

PLCC-84-AT-SMT

Adam TechIn Stock: 1345PLCC-84-AT-SMT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the A-CCS 084-Z-SM is determined by strict alignment of the following parameters:

• Type and Position Count: All substitute parts must be PLCC sockets with 84 positions in a 4 x 21 grid configuration
• Pitch Specifications: Mating pitch and post pitch must both be 0.050" (1.27mm)
• Contact Finish: Both mating and post contacts must be tin-plated
• Mounting Configuration: Surface mount technology with closed frame design
• Termination Method: Solder termination required
• Operating Temperature Range: Minimum -40°C to maximum 105°C
• Current Rating: 1 A minimum
• Compliance Standards: UL94 V-0 flammability rating, ROHS3 compliance, and MSL 1 rating

The three identified substitute parts meet these core substitution criteria. Variations in contact material composition, housing material, contact finish thickness, and termination post length do not preclude substitution when all primary parameters align.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts are active production components with full ROHS3 compliance and UL94 V-0 flammability certification. Selection between the A-CCS 084-Z-SM and its substitutes should be based on:

3M 8484-21A1-RK-TP and 8484-21B1-RK-TP: These parts are functionally equivalent with identical electrical and mechanical specifications to the primary part. Both are available in higher inventory quantities (2413 and 2069 units respectively) compared to the Assmann part. The 3M parts utilize copper alloy contact materials and PBT housing, which differ from the Assmann phosphor bronze and polyamide construction but remain within acceptable substitution parameters.

Adam Tech PLCC-84-AT-SMT: This part offers an extended operating temperature range of -55°C to 105°C, providing additional thermal margin compared to the -40°C to 105°C range of the primary part. The Adam Tech part maintains phosphor bronze contact materials consistent with the Assmann design and is available with 1297 units in stock.

All parts meet the core functional requirements for 84-position PLCC socket applications with surface mount solder termination.

Frequently Asked Questions (FAQ)

Q: Can the 3M 8484-21A1-RK-TP and 8484-21B1-RK-TP be used interchangeably with the A-CCS 084-Z-SM?

A: Yes. Both 3M parts meet all critical substitution parameters including 84-position PLCC configuration, 0.050" pitch, tin contact finish, surface mount termination, 1 A current rating, UL94 V-0 compliance, and ROHS3 certification. The difference in contact material composition (copper alloy versus phosphor bronze) and housing material (PBT versus polyamide) does not prevent functional substitution.

Q: What is the difference between the two 3M substitute parts (8484-21A1-RK-TP and 8484-21B1-RK-TP)?

A: Both 3M parts are identical in electrical and mechanical specifications. They differ only in base product number designation (8484-21A1 versus 8484-21B1) and inventory availability. Selection between them should be based on supply chain and procurement requirements.

Q: Does the Adam Tech PLCC-84-AT-SMT offer any advantages over the other substitutes?

A: The Adam Tech part provides an extended operating temperature range of -55°C to 105°C compared to -40°C to 105°C for the Assmann and 3M parts. This extended range may be beneficial for applications requiring operation at lower temperatures. The Adam Tech part also uses phosphor bronze contacts matching the Assmann design.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level rating, matching the compliance profile of the primary A-CCS 084-Z-SM part.

Q: What packaging format is used for these PLCC socket parts?

A: All parts, including the primary A-CCS 084-Z-SM and all substitutes, are supplied in tube packaging suitable for automated assembly processes.