M20-9763142 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The M20-9763142 is a vertical rectangular connector header manufactured by Harwin Inc., featuring 62 positions at 2.54mm pitch with through-hole solder termination. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design support and procurement continuity. The connector is designed for board-to-board or cable applications with unshrouded, cuttable header construction and male pin contacts.

Key Parameters

Parameter	Value
Manufacturer Part Number	M20-9763142
Manufacturer	Harwin Inc.
Category	Rectangular Connectors
Connector Type	Header, Cuttable
Contact Type	Male Pin
Number of Positions	62
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Material	Brass
Insulation Material	Polyamide (PA6T), Nylon 6T
Operating Temperature	-40°C ~ 105°C
Current Rating	3A per Contact
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the M20-9763142 is determined by strict alignment of the following critical parameters:

Primary Matching Criteria:

Number of Positions: 62
Pitch - Mating: 0.100" (2.54mm)
Row Spacing - Mating: 0.100" (2.54mm)
Number of Rows: 2
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Style: Board to Board or Cable
Shrouding: Unshrouded

Secondary Compatibility Parameters:

Contact Shape: Square
Insulation Height: 0.100" (2.54mm)
Current Rating: 3A per Contact
Material Flammability Rating: UL94 V-0
Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts are grouped into two categories: direct equivalents matching all primary criteria (Amphenol ICC BERGSTIK® series 77313 variants) and functional alternatives with position count variations (Harwin M20-9763642 with 72 positions and 3M 2362-6221-TG with identical 62-position configuration).

Parameter Comparison

Parameter	M20-9763142	M20-9763642	2362-6221-TG	77313-122-62LF	77313-124-62LF	77313-127-62LF	77313-422-62LF	77313-424-62LF	77313-427-62LF	77313-822-62LF	77313-824-62LF
Manufacturer	Harwin Inc.	Harwin Inc.	3M	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Number of Positions	62	72	62	62	62	62	62	62	62	62	62
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Connector Type	Header, Cuttable	Header, Cuttable	Header	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
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 Material	Brass	Brass	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Contact Finish - Mating	Gold	Gold	Gold	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™	Tin	Tin	Tin	Gold or Gold, GXT™	Gold or Gold, GXT™
Contact Finish - Post	Tin	Tin	Tin-Lead	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 105°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C
Current Rating	3A per Contact	3A per Contact	3A	3A per Contact	3A per Contact	3A per Contact	3A per Contact	3A per Contact	3A per Contact	3A per Contact	3A per Contact
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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Equivalent - Same Manufacturer (Harwin M20 Series): The M20-9763642 is an active Harwin product maintaining identical electrical and mechanical specifications to the M20-9763142, with the exception of 72 positions versus 62. This part preserves the original design intent with cuttable header construction, brass contacts, and ROHS3 compliance. Selection is appropriate for designs requiring extended position capacity within the same product family.

Direct Equivalent - 62-Position Configuration (Amphenol ICC BERGSTIK® Series): The 77313-122-62LF, 77313-124-62LF, 77313-127-62LF, 77313-422-62LF, 77313-424-62LF, 77313-427-62LF, 77313-822-62LF, and 77313-824-62LF represent active alternatives with identical 62-position, 2-row configuration. All variants are RoHS Compliant and feature breakaway header construction. Contact finish variations (gold or tin) and contact length differences accommodate specific application requirements. Operating temperature range extends to -65°C ~ 130°C, exceeding the original specification.

Alternative Manufacturer - 62-Position Configuration (3M 2362-6221-TG): The 3M 2362-6221-TG provides 62-position equivalence with active product status. This part is RoHS non-compliant and features Tin-Lead post finish, requiring compliance verification for new designs. Extended operating temperature range (-55°C ~ 105°C) and copper alloy contacts provide alternative material properties.

Selection Criteria:

For RoHS3 compliance requirement: Select M20-9763642, 77313 series variants, or equivalent active Harwin products
For extended temperature operation: 77313 series (Amphenol ICC) supports -65°C ~ 130°C
For legacy compliance (Tin-Lead acceptable): 3M 2362-6221-TG remains available
For position flexibility: M20-9763642 offers 72-position configuration within Harwin family

Frequently Asked Questions (FAQ)

Q: Can the M20-9763642 (72 positions) directly replace the M20-9763142 (62 positions)? A: The M20-9763642 is mechanically and electrically compatible with identical pitch, row spacing, and contact specifications. The additional 10 positions do not affect compatibility with existing 62-position mating connectors. PCB layout modification is required to accommodate the extended connector length.

Q: What is the difference between Amphenol ICC BERGSTIK® variants (77313-122-62LF, 77313-124-62LF, etc.)? A: Variants differ in contact length and contact finish specifications. The numeric suffix indicates contact length and finish combinations: -122 and -127 feature gold mating finish with varying post lengths; -422 and -427 feature tin mating finish. Selection depends on mating connector depth requirements and corrosion resistance specifications.

Q: Is the 3M 2362-6221-TG suitable for new designs? A: The 3M part is RoHS non-compliant due to Tin-Lead post finish. For new designs subject to RoHS requirements, Amphenol ICC BERGSTIK® series or Harwin M20-9763642 are recommended. Legacy system maintenance may utilize the 3M part if compliance exemptions apply.

Q: What are the contact length differences among substitute parts? A: Contact length variations range from 0.228" (5.80mm) in the original M20-9763142 to 0.318" (8.08mm) in the 3M 2362-6221-TG. Amphenol ICC variants provide intermediate lengths (0.260" to 0.305"). Selection must align with mating connector socket depth to ensure proper engagement and electrical contact.

Q: Are all substitute parts rated for 3A per contact? A: All listed substitute parts maintain 3A per contact current rating, matching the original M20-9763142 specification. Voltage rating information is not provided in the component specifications for any part.

Q: What is the significance of the breakaway versus cuttable header designation? A: Cuttable headers (M20 series) allow post-manufacturing position reduction by cutting individual pins. Breakaway headers (Amphenol ICC BERGSTIK® series) feature perforated sections enabling position removal without cutting. Both configurations maintain electrical and mechanical integrity for the retained positions.

Q: Do all substitute parts meet UL94 V-0 flammability requirements? A: All listed substitute parts, including the original M20-9763142, meet UL94 V-0 material flammability rating. This specification is consistent across all alternatives.

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