Molex 0872632003 Equivalent & Substitute Parts

Part Overview

The Molex 0872632003 is a 20-position receptacle connector from the Milli-Grid 87263 series, designed for surface mount applications with 0.079" (2.00mm) pitch. This bottom entry connector features gold-plated mating contacts and is rated for 1A at 125VAC, serving automotive, general purpose, and telecommunications applications. The part is active and in stock with 1095 units available. Substitute parts are identified based on matching electrical specifications, mechanical compatibility, and connector geometry to ensure functional equivalence in board-to-board or cable interconnect applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	0872632003
Manufacturer	Molex
Series	Milli-Grid 87263
Connector Type	Receptacle, Bottom Entry
Number of Positions	20
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
Contact Finish - Mating	Gold
Current Rating	1A
Voltage Rating	125VAC
Operating Temperature	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0872632003 are qualified based on the following critical parameters:

Primary Matching Criteria:

20-position receptacle configuration
0.079" (2.00mm) mating pitch
2-row arrangement with 0.079" (2.00mm) row spacing
Surface mount termination with solder connection
Female socket contact type
Gold-plated mating contact finish
Push-pull fastening mechanism
UL94 V-0 flammability rating
ROHS3 compliance
MSL 1 (Unlimited) moisture sensitivity

Acceptable Variations: Substitutes may differ in insulation material, contact material composition, insulation height, contact finish thickness, and operating temperature range, provided the primary matching criteria are maintained. Current and voltage ratings may exceed the original specification without compromising compatibility.

Parameter Comparison

Parameter	Molex 0872632003	Hirose A3-20DA-2SV(71)	Hirose A3A-20DA-2SV(71)	Harwin M22-6341042	Samtec SMM-110-02-F-D	Samtec SMM-110-02-L-D	Samtec SMM-110-02-S-D-K-TR
Number of Positions	20	20	20	20	20	20	20
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)
Mounting Type	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
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Current Rating	1A	1A	1A	2A	3.2A per Contact	3.2A per Contact	3.2A per Contact
Voltage Rating	125VAC	200VAC	200VAC	500VAC	350VAC	350VAC	350VAC
Operating Temperature	-55°C ~ 105°C	-55°C ~ 85°C	-55°C ~ 85°C	-40°C ~ 105°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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and UL94 V-0 flammability certification, ensuring regulatory equivalence with the Molex 0872632003. The Hirose A3 series (A3-20DA-2SV(71) and A3A-20DA-2SV(71)) provides direct functional substitution with identical current and voltage specifications, though operating temperature is limited to -55°C ~ 85°C compared to the original 105°C maximum.

The Harwin M22-6341042 offers enhanced electrical performance with 2A current rating and 500VAC voltage rating, supporting both bottom and top entry configurations. This part extends the operating temperature range to 105°C maximum, matching the original specification.

The Samtec Tiger Eye SMM series (SMM-110-02-F-D, SMM-110-02-L-D, SMM-110-02-S-D-K-TR, and related variants) provides superior electrical performance with 3.2A per contact and 350VAC rating. These parts support extended operating temperature to 125°C and feature Liquid Crystal Polymer insulation with Beryllium Copper contacts. Samtec variants with "-K" designation include pick-and-place features; the "-TR" suffix indicates tape and reel packaging.

Selection should prioritize thermal and electrical margin requirements. For applications requiring the original 105°C upper temperature limit, Harwin M22-6341042 or Samtec SMM series are recommended. For cost-sensitive applications within -55°C ~ 85°C operating range, Hirose A3 series provides equivalent performance.

Frequently Asked Questions (FAQ)

Q: Can I substitute the Molex 0872632003 with a Hirose A3-20DA-2SV(71)?

A: Yes. Both connectors share identical 20-position, 0.079" (2.00mm) pitch configuration, surface mount termination, and 1A/125VAC electrical ratings. The primary difference is the reduced upper operating temperature limit of 85°C for the Hirose part versus 105°C for the Molex. Verify your application does not exceed 85°C ambient or junction temperature.

Q: What is the difference between Samtec SMM-110-02-S-D-K and SMM-110-02-S-D-K-TR?

A: Both parts are electrically and mechanically identical. The "-TR" suffix indicates tape and reel packaging, while the non-TR version is supplied in tube packaging. Select based on your assembly process requirements and volume.

Q: Are all substitute parts compatible with the same PCB footprint?

A: All listed substitutes maintain the 0.079" (2.00mm) pitch and 2-row configuration, ensuring PCB footprint compatibility. However, insulation height variations (ranging from 0.110" to 0.169") may affect board clearance. Verify mechanical envelope constraints in your design.

Q: Which substitute offers the best thermal performance?

A: The Samtec Tiger Eye SMM series supports -55°C ~ 125°C operating range, providing the widest thermal envelope. The Harwin M22-6341042 matches the original -40°C ~ 105°C range with extended upper limit capability.

Q: Do all substitutes meet RoHS and MSL requirements?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original Molex 0872632003 specifications.

Q: Can I use a higher-rated substitute in place of the original?

A: Yes. Substitutes with higher current (2A or 3.2A) and voltage (200VAC, 350VAC, or 500VAC) ratings are backward compatible and provide additional electrical margin. No design modification is required.

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