3M 953216-2020-AR-TP Equivalent & Substitute Parts

Part Overview

The 3M 953216-2020-AR-TP is a 16-position rectangular connector receptacle 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 ongoing production and field replacement requirements.

Key Parameters

Parameter	Specification
Connector Type	Receptacle, Bottom or Top Entry
Number of Positions	16
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
Current Rating	1A
Voltage Rating	1000VDC
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
Termination	Solder

Substitute Part Grouping Explanation

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

Connector Type & Entry: Receptacle configuration (bottom or top entry acceptable)
Position Count & Pitch: 16 positions at 0.079" (2.00mm) mating pitch
Row Configuration: 2 rows with 0.079" (2.00mm) row spacing
Mounting & Termination: Surface mount with solder termination
Contact System: Female socket, gold-plated mating surface, push-pull fastening
Electrical Ratings: Current and voltage ratings must meet or exceed 1A and 1000VDC respectively
Environmental Compliance: UL94 V-0 flammability rating and operating temperature range

The substitute parts listed below satisfy these core parameters. Variations in contact material, insulation height, contact finish thickness, and packaging format are permitted provided the primary electrical and mechanical interfaces remain compatible.

Parameter Comparison

Parameter	3M 953216-2020-AR-TP	Molex 0872631603	Molex 0872631693	Hirose A3-16DA-2SV(71)	Hirose A3A-16DA-2SV(71)	Samtec SMM-108-02-F-D	Samtec SMM-108-02-F-D-08-K-TR	Samtec SMM-108-02-F-D-14	Samtec SMM-108-02-F-D-K	Samtec SMM-108-02-F-D-LC	Samtec SMM-108-02-F-D-LC-K
Connector Type	Receptacle, Bottom or Top Entry	Receptacle, Bottom Entry	Receptacle, Bottom Entry	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle
Number of Positions	16	16	16	16	16	16	16	16	16	16	16
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Current Rating (Amps)	1A	1A	1A	1A	1A	3.2A per Contact	3.2A per Contact	3.2A per Contact	3.2A per Contact	3.2A per Contact	3.2A per Contact
Voltage Rating	1000VDC	125VAC	125VAC	200VAC	200VAC	350VAC	350VAC	350VAC	350VAC	350VAC	350VAC
Operating Temperature	-40°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status with current manufacturer support, ensuring long-term availability and supply chain continuity. Each substitute satisfies the core mechanical and electrical interface requirements of the 3M 953216-2020-AR-TP.

Molex Milli-Grid Series (0872631603, 0872631693): These parts provide direct mechanical compatibility with identical pitch and row spacing. Both are ROHS3 compliant and REACH unaffected. The 0872631693 variant includes tape and reel packaging for automated assembly. Voltage rating of 125VAC is lower than the original specification; applications requiring 1000VDC operation should not use these substitutes.

Hirose A3 Series (A3-16DA-2SV(71), A3A-16DA-2SV(71)): Both variants offer ROHS3 compliance and REACH unaffected status. The A3A-16DA-2SV(71) includes board guide features. Operating temperature maximum of 85°C is lower than the original -40°C to 105°C range; applications requiring operation above 85°C should not use these substitutes. Voltage rating of 200VAC is lower than the original specification.

Samtec Tiger Eye SMM Series (SMM-108-02-F-D variants): These connectors provide the highest current rating (3.2A per contact) and voltage rating (350VAC) among all substitutes, with extended operating temperature range to 125°C. Multiple variants accommodate different assembly requirements: standard (SMM-108-02-F-D), pick-and-place variants (SMM-108-02-F-D-08-K-TR, SMM-108-02-F-D-K), board lock options (SMM-108-02-F-D-LC, SMM-108-02-F-D-LC-K), and partial loading configurations (SMM-108-02-F-D-14). All are ROHS3 compliant. The SMM-108-02-F-D-08-K-TR and SMM-108-02-F-D-14 variants have 15 positions loaded instead of all 16; these are suitable only for applications where the 16th position is not utilized.

Frequently Asked Questions (FAQ)

Q: Can I use Molex 0872631603 or 0872631693 as direct replacements for the 3M 953216-2020-AR-TP?

A: These Molex connectors share identical pitch (0.079"), row count (2), and row spacing (0.079"), making them mechanically compatible. However, the voltage rating of 125VAC is significantly lower than the original 1000VDC specification. Use these substitutes only in applications where the actual operating voltage does not exceed 125VAC.

Q: What is the difference between Hirose A3-16DA-2SV(71) and A3A-16DA-2SV(71)?

A: Both parts are electrically and mechanically identical. The A3A variant includes a board guide feature for improved alignment during assembly. The A3A-16DA-2SV(71) is recommended for applications requiring enhanced mechanical stability.

Q: Why do some Samtec SMM-108 variants show 15 positions loaded instead of 16?

A: The SMM-108-02-F-D-08-K-TR and SMM-108-02-F-D-14 variants are configured with 15 loaded positions. These are suitable only for applications where the connector design intentionally omits one position. For full 16-position compatibility, use SMM-108-02-F-D, SMM-108-02-F-D-K, SMM-108-02-F-D-LC, or SMM-108-02-F-D-LC-K.

Q: Which substitute offers the best performance for high-current applications?

A: The Samtec Tiger Eye SMM series (all SMM-108-02-F-D variants) provides 3.2A per contact, compared to 1A for the original and Molex/Hirose alternatives. For applications requiring higher current capacity, the Samtec series is the appropriate selection.

Q: Are all substitutes RoHS compliant?

A: All active substitute parts listed are ROHS3 compliant. The original 3M part does not specify RoHS status due to its obsolete classification.

Q: What is the operating temperature limitation for Hirose A3 series connectors?

A: Hirose A3 series connectors operate from -55°C to 85°C. The original 3M connector operates to 105°C. Applications requiring operation above 85°C must use Molex (to 105°C) or Samtec (to 125°C) alternatives.

Q: Can I mix different substitute part manufacturers in the same assembly?

A: All listed substitutes maintain identical mating pitch and row spacing, allowing mechanical interchangeability. However, connector housings and mating plugs are manufacturer-specific. Ensure that mating plug connectors are sourced from the same manufacturer as the receptacle selected for the application.

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