M20-9723045 Equivalent & Substitute Parts

Part Overview

The M20-9723045 is a vertical rectangular connector header manufactured by Harwin Inc., featuring 60 positions with 0.100" (2.54mm) pitch spacing. This through-hole component is designed for board-to-board or cable interconnection applications with solder termination and push-pull fastening. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility within the specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	M20-9723045
Manufacturer	Harwin Inc.
Category	Rectangular Connectors
Connector Type	Header, Cuttable
Contact Type	Male Pin
Number of Positions	60
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Length - Mating	0.276" (7.00mm)
Contact Length - Post	0.122" (3.10mm)
Overall Contact Length	0.496" (12.60mm)
Insulation Height	0.100" (2.54mm)
Contact Shape	Square
Contact Finish - Mating	Gold
Contact Material	Brass
Insulation Material	Polyamide (PA6T), Nylon 6T
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Current Rating	3A per Contact
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the M20-9723045 are identified based on strict alignment with the following critical parameters:

Primary Matching Criteria:

Number of Positions: 60
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
Connector Category: Rectangular Header

Secondary Compatibility Parameters:

Contact Shape: Square
Insulation Height: 0.100" (2.54mm)
Material Flammability Rating: UL94 V-0
Moisture Sensitivity Level: 1 (Unlimited)
RoHS Compliance Status

Substitutes are grouped by manufacturer and series. Parts meeting all primary criteria are classified as direct equivalents. Variations in contact length, contact finish composition, and insulation material are noted but do not preclude substitution when mechanical and electrical interfaces remain compatible.

Parameter Comparison

Parameter	M20-9723045 (Main)	M20-9723645	0010977605	0901310790	0901310950	0906280135	2360-6221-TG	77313-122-60LF	77313-124-60LF	77313-127-60LF	77313-422-60LF
Manufacturer	Harwin Inc.	Harwin Inc.	Molex	Molex	Molex	Molex	3M	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Number of Positions	60	72	60	60	60	30	60	60	60	60	60
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)
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
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)
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	Kinked Pin, 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 Length - Mating	0.276" (7.00mm)	0.276" (7.00mm)	0.320" (8.13mm)	0.266" (6.75mm)	0.266" (6.75mm)	0.266" (6.75mm)	0.318" (8.08mm)	0.305" (7.75mm)	0.266" (6.75mm)	0.260" (6.60mm)	0.305" (7.75mm)
Contact Length - Post	0.122" (3.10mm)	0.122" (3.10mm)	0.110" (2.79mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.114" (2.90mm)	0.105" (2.67mm)	0.120" (3.05mm)
Overall Contact Length	0.496" (12.60mm)	0.496" (12.60mm)	0.520" (13.21mm)	0.478" (12.15mm)	0.478" (12.15mm)	0.478" (12.15mm)	0.538" (13.67mm)	0.526" (13.35mm)	0.480" (12.19mm)	0.465" (11.81mm)	0.526" (13.35mm)
Insulation Height	0.100" (2.54mm)	0.100" (2.54mm)	0.090" (2.29mm)	0.098" (2.50mm)	0.098" (2.50mm)	0.098" (2.50mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Tin	Gold	Gold	Tin	Gold	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™	Tin
Contact Material	Brass	Brass	Copper Alloy	Brass	Brass	Brass	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T	Liquid Crystal Polymer (LCP), Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Thermoplastic, Glass Filled	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic
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
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Current Rating	3A per Contact	3A per Contact	Not specified	Not specified	Not specified	Not specified	3A	3A per Contact	3A per Contact	3A per Contact	3A per Contact
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-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 Equivalents (60-Position, 2.54mm Pitch):

The following parts maintain full compatibility with the M20-9723045 across all primary matching criteria and are classified as active products:

M20-9723645 (Harwin Inc.): Same manufacturer, same series (M20), active status. Differs only in position count (72 vs. 60), making it suitable only for applications requiring additional positions.
0010977605 (Molex C-Grid 70280): Matches all primary criteria. Active status with ROHS3 compliance. Contact finish differs (Tin vs. Gold), and insulation material is LCP glass-filled rather than polyamide. Suitable for direct substitution in applications where tin finish is acceptable.
0901310790 and 0901310950 (Molex C-Grid III 90131): Both match primary criteria with active status and ROHS3 compliance. Differ in contact finish thickness (15.0µin vs. 30.0µin). Insulation material is polyester glass-filled. Suitable for direct substitution.
2360-6221-TG (3M 2300 Series): Matches primary criteria with active status. RoHS non-compliant status and REACH affected status require evaluation against regulatory requirements. Operating temperature range extends to -55°C. Suitable only if RoHS non-compliance is acceptable.
77313-122-60LF, 77313-124-60LF, 77313-127-60LF, 77313-422-60LF (Amphenol ICC BERGSTIK® Series): All match primary criteria with active status and RoHS compliance. Contact materials are phosphor bronze rather than brass. Operating temperature range extends to -65°C to 130°C. Variations in contact length and finish composition are provided. Suitable for direct substitution.

Non-Equivalent Part:

0906280135 (Molex C-Grid III 90628): 30-position configuration. Not suitable as direct equivalent due to position count mismatch.

Compliance Considerations:

All recommended substitutes except 2360-6221-TG maintain ROHS3 compliance. The 3M part (2360-6221-TG) is RoHS non-compliant and REACH affected, requiring regulatory assessment before selection. All substitutes maintain UL94 V-0 flammability rating and MSL 1 moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q: Can I use the M20-9723645 as a direct replacement for the M20-9723045?

A: The M20-9723645 is the same manufacturer and series but features 72 positions instead of 60. It is not a direct equivalent. Use only if your application requires additional positions and your PCB layout accommodates the larger connector footprint.

Q: What is the primary difference between the Molex and Amphenol ICC substitutes?

A: The Molex parts (0010977605, 0901310790, 0901310950) use copper alloy or brass contacts with various insulation materials (LCP or polyester glass-filled). The Amphenol ICC BERGSTIK® series (77313 variants) use phosphor bronze contacts with thermoplastic insulation. Both meet the 60-position, 2.54mm pitch specification. Contact material and finish composition differ but do not affect mechanical or electrical compatibility for standard applications.

Q: Are there temperature rating differences between substitutes?

A: The main part M20-9723045 operates from -40°C to 105°C. The Amphenol ICC BERGSTIK® series extends to -65°C to 130°C, and the 3M part extends to -55°C to 105°C. Select based on your application's thermal requirements.

Q: Why is the 3M part (2360-6221-TG) marked as RoHS non-compliant?

A: The 3M 2300 series connector uses tin-lead finish on the post termination, which contains lead and does not comply with RoHS3 restrictions. This part is suitable only for applications where RoHS compliance is not required or where exemptions apply.

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

A: All listed substitutes maintain the same pitch (2.54mm), position count (60), and mating interface. However, variations in contact length, finish composition, and insulation material may affect mechanical fit or performance in specific applications. Verify compatibility with your mating connector before mixing parts.

Q: What is the difference between contact finish options (Gold vs. Tin)?

A: Gold-finished contacts (M20-9723045, Molex 0901310790/0901310950, Amphenol ICC 77313-122-60LF/77313-124-60LF/77313-127-60LF) provide superior corrosion resistance and lower contact resistance. Tin-finished contacts (Molex 0010977605, Amphenol ICC 77313-422-60LF) are cost-effective but more susceptible to oxidation. Select based on environmental exposure and reliability requirements.

Q: Are all substitutes through-hole solder termination?

A: Yes. All listed substitutes use through-hole solder termination. The Molex 0906280135 uses kinked pin solder termination but is not recommended due to position count mismatch (30 vs. 60).

Q: What packaging options are available?

A: Substitutes are supplied in Bulk, Tray, or Bag packaging. Verify packaging requirements for your procurement and assembly processes. Packaging does not affect electrical or mechanical performance.

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