3M 953208-2020-AR-TP Equivalent & Substitute Parts

Part Overview

The 3M 953208-2020-AR-TP is an 8-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 and substitute components that maintain electrical and mechanical compatibility for new designs or replacement applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	953208-2020-AR-TP
Manufacturer	3M
Number of Positions	8
Pitch - Mating	0.079" (2.00mm)
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Connector Type	Receptacle, Bottom or Top Entry
Contact Type	Female Socket
Mounting Type	Surface Mount
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
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 3M 953208-2020-AR-TP is determined by strict alignment of the following critical parameters:

Primary Compatibility Criteria:

Number of Positions: 8
Pitch - Mating: 0.079" (2.00mm)
Number of Rows: 2
Row Spacing - Mating: 0.079" (2.00mm)
Connector Type: Receptacle
Contact Type: Female Socket
Mounting Type: Surface Mount
Fastening Type: Push-Pull
Contact Finish - Mating: Gold
Termination: Solder

Secondary Compatibility Considerations:

Current Rating: Substitute must meet or exceed 1A
Voltage Rating: Substitute must meet or exceed 1000VDC or equivalent AC rating
Operating Temperature: Substitute must cover or exceed -40°C ~ 105°C range
Material Flammability Rating: UL94 V-0 compliance preferred

All identified substitutes meet the primary compatibility criteria. Variations in insulation height, contact finish thickness, and material composition do not preclude functional substitution when electrical and mechanical parameters align.

Parameter Comparison

Parameter	3M 953208-2020-AR-TP	Molex 0872630893	Molex 0873819016	Hirose A3-8DA-2SV(71)	Hirose A3A-8DA-2SV(71)	Harwin M22-6340442	Samtec SMM-104-02-F-D
Number of Positions	8	8	8	8	8	8	8
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)
Number of Rows	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)
Connector Type	Receptacle, Bottom or Top Entry	Receptacle, Bottom Entry	Receptacle	Receptacle	Receptacle	Receptacle, Bottom or Top Entry	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Current Rating (Amps)	1A	1A	1.9A	1A	1A	2A	3.2A per Contact
Voltage Rating	1000VDC	125VAC	125V	200VAC	200VAC	500VAC	350VAC
Operating Temperature	-40°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 85°C	-55°C ~ 85°C	-40°C ~ 105°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
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

Molex 0872630893 and Molex 0873819016 (Milli-Grid 87263 and 87381 series) are active products with full RoHS3 compliance and REACH unaffected status. Both maintain the 8-position, 0.079" pitch configuration with push-pull fastening and gold-plated contacts. The 0873819016 variant offers increased current rating (1.9A) and extended temperature range (-55°C ~ 105°C), providing enhanced performance margins over the original 3M part.

Harwin M22-6340442 provides mechanical and electrical equivalence with identical operating temperature range (-40°C ~ 105°C) and superior current rating (2A). This part maintains bottom or top entry flexibility matching the original design intent and carries full RoHS3 and REACH compliance.

Secondary Substitutes (Functional Equivalence):

Hirose A3-8DA-2SV(71) and A3A-8DA-2SV(71) (A3 series) deliver functional compatibility with board guide features in the A3A variant. These parts operate at -55°C ~ 85°C, which does not extend to the original 105°C upper limit. Voltage rating of 200VAC is lower than the original 1000VDC specification. RoHS3 compliance is confirmed for both variants.

Samtec SMM-104-02-F-D (Tiger Eye™ SMM series) offers the highest current rating (3.2A per contact) and extended temperature range (-55°C ~ 125°C). Voltage rating of 350VAC is lower than the original specification. This part is suitable for applications requiring enhanced thermal and current performance.

Compliance Status:

All identified substitutes carry UL94 V-0 flammability rating. Molex, Harwin, and Samtec parts are RoHS3 compliant with REACH unaffected status. Hirose parts are RoHS3 compliant. All parts maintain MSL 1 (Unlimited) moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q: Can Molex 0872630893 directly replace the 3M 953208-2020-AR-TP?

A: Yes. Both connectors share identical pitch (0.079"), position count (8), row configuration (2 rows), contact type (female socket), mounting method (surface mount), and fastening mechanism (push-pull). Gold-plated mating contacts and solder termination are equivalent. The Molex part is active with full RoHS3 compliance, whereas the 3M part is obsolete.

Q: What is the voltage rating difference between the original 3M part and Molex substitutes?

A: The 3M 953208-2020-AR-TP is rated 1000VDC. Molex 0872630893 is rated 125VAC, and Molex 0873819016 is rated 125V. For applications requiring DC voltage ratings above 125V, Harwin M22-6340442 (500VAC) or Samtec SMM-104-02-F-D (350VAC) are more appropriate selections.

Q: Are there packaging differences between substitute options?

A: Yes. Molex 0872630893 is supplied in Tape & Reel (TR) packaging. Molex 0873810817 is supplied in Tube. Hirose A3-8DA-2SV(71) is supplied in Tube, while A3-8DA-2SV(92) and A3-8DA-2SV(93) are supplied in Tape & Reel. Harwin M22-6340442 is supplied in Tube. Samtec SMM-104-02-F-D is supplied in Tube. Select packaging based on assembly process requirements.

Q: Which substitute offers the best thermal performance?

A: Samtec SMM-104-02-F-D operates across -55°C ~ 125°C, providing the widest temperature range. Molex 0873819016 and Molex 0872630893 operate to -55°C ~ 105°C, matching the original upper limit of 105°C. Hirose variants are limited to -55°C ~ 85°C.

Q: Do all substitutes support board guide features?

A: Board guide features are present in the 3M original, Molex 0873819016, Harwin M22-6340442, and Hirose A3A-8DA-2SV(71). Molex 0872630893 includes pick-and-place features. Hirose A3-8DA-2SV(71) and Samtec SMM-104-02-F-D do not specify board guide features.

Q: What current rating should I select for my application?

A: The original 3M part is rated 1A. All substitutes meet or exceed this specification. Molex 0873819016 provides 1.9A, Harwin M22-6340442 provides 2A, and Samtec SMM-104-02-F-D provides 3.2A per contact. Select based on actual circuit current requirements with appropriate safety margin.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All identified substitutes carry RoHS3 compliance certification. Molex, Harwin, and Samtec parts are additionally REACH unaffected. Hirose parts are RoHS3 compliant with REACH status not specified in available data.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message