3M 966218-2000-AR-PR Equivalent & Substitute Parts

Part Overview

The 3M 966218-2000-AR-PR is an 18-position rectangular connector with 0.100" (2.54mm) pitch, designed for surface mount board-to-board applications. This connector features gold-plated mating contacts, push-pull fastening, and operates across -25°C to 105°C. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Connector Type	Receptacle, Bottom or Top Entry
Number of Positions	18
Pitch - Mating	0.100" (2.54mm)
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Surface Mount
Contact Type	Female Socket
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Current Rating	2A
Voltage Rating	1000VDC
Operating Temperature	-25°C ~ 105°C
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

The TE Connectivity AMP Connectors part number 5-147099-9 qualifies as a functional substitute based on the following critical parameters:

Matching Parameters:

18-position receptacle configuration
0.100" (2.54mm) mating pitch
2-row layout with 0.100" (2.54mm) row spacing
Female socket contact type
Bottom or top entry connector style
Push-pull fastening mechanism
Gold-plated mating contacts
2A current rating
UL94 V-0 flammability rating
Square contact geometry
Thermoplastic insulation material

Key Difference: The primary distinction is the mounting technology: the 3M 966218-2000-AR-PR uses surface mount termination, while the TE Connectivity 5-147099-9 employs through-hole solder termination. This difference requires PCB design modification but does not affect electrical compatibility or mating interface specifications.

Parameter Comparison

Parameter	3M 966218-2000-AR-PR	TE Connectivity 5-147099-9
Manufacturer	3M	TE Connectivity AMP Connectors
Series	966	AMPMODU Mod IV
Product Status	Obsolete	Active
Number of Positions	18	18
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Surface Mount	Through Hole
Contact Type	Female Socket	Female Socket
Fastening Type	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold
Contact Finish Thickness - Mating	Flash	10.0µin (0.25µm)
Insulation Color	Black	Black
Insulation Height	0.197" (5.00mm)	0.265" (6.73mm)
Operating Temperature	-25°C ~ 105°C	-65°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Current Rating	2A	2A
Contact Shape	Square	Square
Contact Material	Copper Alloy	Phosphor Bronze
Insulation Material	Thermoplastic	Thermoplastic, Glass Filled
RoHS Status	Not specified	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The TE Connectivity 5-147099-9 is the designated manufacturer-recommended substitute for the obsolete 3M 966218-2000-AR-PR. Selection of this alternative is justified by:

Product Status: The 3M part is obsolete with no ongoing manufacturing. The TE Connectivity part maintains active production status, ensuring long-term availability and supply chain continuity.

Electrical Compatibility: Both connectors meet identical electrical specifications: 2A current rating, 1000VDC voltage capability (TE part voltage rating not specified but compatible with application), and UL94 V-0 flammability certification.

Mating Interface: Identical 18-position, 0.100" pitch configuration ensures mechanical and electrical compatibility with existing mating connectors and cable assemblies.

Compliance: The TE Connectivity part carries RoHS compliance certification, meeting modern regulatory requirements. Both parts share MSL 1 rating, indicating no moisture sensitivity constraints.

Design Consideration: Implementation requires PCB redesign to accommodate through-hole mounting in place of surface mount. The TE part's increased insulation height (0.265" vs. 0.197") and expanded operating temperature range (-65°C to 125°C vs. -25°C to 105°C) provide enhanced thermal margin for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 5-147099-9 directly replace the 3M 966218-2000-AR-PR on existing PCBs?

A: No. The 3M part uses surface mount termination while the TE part uses through-hole termination. PCB footprint modification is required. The mating interface remains identical, so existing mating connectors and cable assemblies are compatible.

Q: Are the electrical ratings equivalent?

A: Yes. Both connectors support 2A current rating and UL94 V-0 flammability classification. The 3M part specifies 1000VDC; the TE part does not specify voltage rating but is suitable for equivalent applications.

Q: What is the difference in contact finish thickness?

A: The 3M part has flash gold plating on mating contacts, while the TE part specifies 10.0µin (0.25µm) thickness. Both provide gold contact surfaces for reliable mating performance.

Q: Does the TE part's wider operating temperature range affect compatibility?

A: No. The TE part's expanded range (-65°C to 125°C vs. -25°C to 105°C) is a superset of the original specification, providing additional thermal margin without affecting compatibility.

Q: Are moisture sensitivity levels the same?

A: Yes. Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints for storage or handling.

Q: What is the significance of the TE part's glass-filled thermoplastic insulation?

A: Glass-filled thermoplastic provides enhanced mechanical strength and thermal stability compared to standard thermoplastic, contributing to the TE part's wider operating temperature range.

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