3M 953212-2000-AR-TP Equivalent & Substitute Parts

Part Overview

The 3M 953212-2000-AR-TP is a 12-position rectangular receptacle connector with 0.079" (2.00mm) pitch, designed for surface mount board-to-board applications. This connector features gold-plated mating contacts, push-pull fastening, and operates across -40°C to 105°C. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for new designs and production continuity.

Key Parameters

Parameter	Value
Connector Type	Receptacle, Bottom or Top Entry
Number of Positions	12
Pitch - Mating	0.079" (2.00mm)
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Surface Mount
Contact Type	Female Socket
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Termination	Solder
Current Rating	1A
Voltage Rating	1000VDC
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following core parameters:

Connector Configuration: 12-position receptacle with 0.079" (2.00mm) pitch and 2-row layout
Mounting Technology: Surface mount solder termination
Contact System: Female socket with gold mating finish and push-pull fastening
Electrical Performance: Current and voltage ratings must meet or exceed the original specification
Environmental Compliance: Moisture sensitivity level 1 and UL94 V-0 flammability rating
Mechanical Compatibility: Board-to-board or board-to-cable interface capability

All substitute parts listed below satisfy these core requirements. Variations in insulation height, contact finish thickness, and specific features (pick-and-place, board guide, board lock) do not preclude substitution when the primary electrical and mechanical parameters align.

Parameter Comparison

Manufacturer	Part Number	Positions	Pitch (mm)	Rows	Mount Type	Current (A)	Voltage	Temp Range (°C)	Flammability	Product Status
3M	953212-2000-AR-TP	12	2.00	2	SMD	1.0	1000VDC	-40 to 105	UL94 V-0	Obsolete
Molex	0873811217	12	2.00	2	SMD	1.9	125VAC	-55 to 105	—	Active
Molex	0873811273	12	2.00	2	SMD	1.9	125VAC	-55 to 105	—	Active
Hirose Electric	A3-12DA-2SV(71)	12	2.00	2	SMD	1.0	200VAC	-55 to 85	UL94 V-0	Active
Hirose Electric	A3A-12DA-2SV(71)	12	2.00	2	SMD	1.0	200VAC	-55 to 85	UL94 V-0	Active
Samtec	SMM-106-02-F-D-01	12	2.00	2	SMD	3.2	350VAC	-55 to 125	UL94 V-0	Active
Samtec	SMM-106-02-F-D-K	12	2.00	2	SMD	3.2	350VAC	-55 to 125	UL94 V-0	Active
Samtec	SMM-106-02-F-D-K-TR	12	2.00	2	SMD	3.2	350VAC	-55 to 125	UL94 V-0	Active
Samtec	SMM-106-02-F-D-LC	12	2.00	2	SMD	3.2	350VAC	-55 to 125	UL94 V-0	Active
Samtec	SMM-106-02-F-D-P	12	2.00	2	SMD	3.2	350VAC	-55 to 125	UL94 V-0	Active
Samtec	SMM-106-02-F-D-P-TR	12	2.00	2	SMD	3.2	350VAC	-55 to 125	UL94 V-0	Active

Engineering Selection Recommendations

Primary Recommendation: Samtec SMM-106-02-F-D-K-TR (Tape & Reel packaging)

This part provides the highest electrical performance margin with 3.2A current rating and 350VAC voltage rating, exceeding the original 953212-2000-AR-TP specifications. The SMM-106 series maintains UL94 V-0 flammability compliance and unlimited moisture sensitivity rating. Tape & Reel packaging supports automated assembly processes. The -55°C to 125°C operating range extends the lower temperature limit and upper temperature capability compared to the original part.

Secondary Recommendation: Hirose Electric A3-12DA-2SV(71) or A3A-12DA-2SV(71)

These parts match the original 1A current rating and maintain UL94 V-0 compliance with ROHS3 certification. The A3A variant includes board guide features for enhanced mechanical stability. Operating temperature range extends to -55°C. These options are suitable for applications where the original thermal and electrical specifications are primary design constraints.

Alternative for High-Volume Production: Molex 0873811217 or 0873811273

Both Molex Milli-Grid 87381 series parts offer active product status with enhanced current rating (1.9A) and extended lower temperature limit (-55°C). The 0873811273 variant includes pick-and-place features for automated assembly. These connectors provide cost-effective alternatives with established supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the Samtec SMM-106 series directly replace the 3M 953212-2000-AR-TP in existing designs?

A: Yes. Both maintain 12-position, 0.079" (2.00mm) pitch, 2-row surface mount receptacle configuration with gold-plated contacts and push-pull fastening. The Samtec series provides superior electrical performance (3.2A vs. 1A, 350VAC vs. 1000VDC) and extended operating temperature range (-55°C to 125°C vs. -40°C to 105°C). Physical footprint compatibility requires verification against PCB layout specifications.

Q: What is the difference between SMM-106-02-F-D-K and SMM-106-02-F-D-K-TR?

A: Both parts are electrically and mechanically identical. The primary difference is packaging: SMM-106-02-F-D-K is supplied in tube packaging, while SMM-106-02-F-D-K-TR is supplied in tape & reel format. Tape & reel packaging is optimized for automated pick-and-place assembly processes and high-volume production runs.

Q: Are the Hirose A3-12DA-2SV(71) and A3A-12DA-2SV(71) interchangeable?

A: Both parts share identical electrical specifications and core mechanical design. The A3A variant includes a board guide feature for enhanced mechanical alignment and retention. Selection depends on application requirements for mechanical stability. Both maintain UL94 V-0 compliance and ROHS3 certification.

Q: What is the significance of the operating temperature range difference between substitutes?

A: The original 953212-2000-AR-TP operates -40°C to 105°C. Samtec SMM-106 series extends to -55°C to 125°C, providing broader environmental capability. Hirose A3 series operates -55°C to 85°C, which is narrower at the upper limit. Application thermal requirements determine which substitute is appropriate.

Q: Do all substitute parts maintain the same moisture sensitivity level?

A: Yes. All listed substitutes maintain MSL 1 (Unlimited), matching the original part. This classification indicates no moisture sensitivity precautions are required during storage or handling.

Q: Is RoHS compliance a factor in substitute selection?

A: Samtec and Hirose parts carry ROHS3 compliance certification. The original 3M part does not list RoHS status in provided specifications. For applications requiring RoHS compliance, Samtec SMM-106 or Hirose A3 series are appropriate selections.

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