Equivalent & Substitute Parts for M20-9703045

Part Overview

The M20-9703045 is a rectangular connector header manufactured by Harwin Inc., designed for through-hole, right-angle board-to-board applications. This connector features 60 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing. The part is classified as obsolete, making equivalent substitute parts necessary for ongoing design work, maintenance, and production continuity. Substitute connectors must maintain electrical and mechanical compatibility across core parameters including pitch, position count, row configuration, contact rating, and mounting orientation.

Key Parameters

Parameter	M20-9703045 Specification
Connector Type	Header, Cuttable
Pitch - Mating	0.100" (2.54mm)
Number of Positions	60
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Contact Type	Male Pin
Termination	Solder
Current Rating	3A per Contact
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
Contact Finish - Mating	Gold
Contact Material	Brass
Insulation Material	Polyamide (PA6T), Nylon 6T
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the M20-9703045 is determined by strict adherence to the following core parameters:

Critical Matching Parameters:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 60
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole, Right Angle
Contact Type: Male Pin
Termination: Solder
Current Rating: 3A per Contact (minimum)
Material Flammability Rating: UL94 V-0

All identified substitute parts meet these core electrical and mechanical parameters. Variations in contact finish thickness, insulation material composition, and operating temperature ranges do not preclude substitution when the primary functional parameters align. The substitute parts are sourced from active product lines, ensuring long-term availability and supply chain stability compared to the obsolete M20-9703045.

Parameter Comparison

Parameter	M20-9703045 (Harwin)	77317-112-60LF (Amphenol ICC)	77317-412-60LF (Amphenol ICC)	77317-812-60LF (Amphenol ICC)	892-70-060-20-002101 (Preci-Dip)	961260-5804-AR (3M)
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)
Number of Positions	60	60	60	60	60	60
Number of Rows	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)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Termination	Solder	Solder	Solder	Solder	Solder	Solder
Current Rating (Amps)	3A per Contact	3A per Contact	3A per Contact	3A per Contact	3A	2A
Operating Temperature	-40°C ~ 105°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-55°C ~ 125°C	-25°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Contact Finish - Mating	Gold	Gold, GXT™	Tin	Gold, GXT™	Gold	Gold
Contact Material	Brass	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Brass	Copper Alloy
Insulation Material	Polyamide (PA6T), Nylon 6T	Thermoplastic	Thermoplastic	Thermoplastic	Polyamide (PA), Nylon, Glass Filled	Thermoplastic
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant

Engineering Selection Recommendations

All five substitute parts satisfy the core electrical and mechanical requirements for direct replacement of the M20-9703045. Selection among these alternatives should be based on the following criteria:

For applications requiring maximum temperature headroom: The Amphenol ICC BERGSTIK® series (77317-112-60LF, 77317-412-60LF, 77317-812-60LF) offers extended operating temperature range (-65°C ~ 130°C) compared to the original specification (-40°C ~ 105°C). These parts are active products with established supply chains.

For applications with strict current rating requirements: The 961260-5804-AR from 3M carries a 2A per contact rating, which is lower than the original 3A specification. This part is suitable only for applications where the 2A rating meets design requirements.

For applications requiring ROHS3 compliance: Both the M20-9703045 and 892-70-060-20-002101 (Preci-Dip) carry ROHS3 Compliant status. The Amphenol ICC parts carry RoHS Compliant status. Verify compliance requirements for your specific application.

For applications with contact finish sensitivity: The 77317-412-60LF features tin mating finish, while 77317-112-60LF and 77317-812-60LF feature gold mating finish. The 892-70-060-20-002101 and 961260-5804-AR feature gold mating finish. Contact finish selection depends on application-specific corrosion resistance and signal integrity requirements.

All substitute parts maintain UL94 V-0 flammability rating and are available in active product status, ensuring long-term procurement viability.

Frequently Asked Questions (FAQ)

Q: Can the 961260-5804-AR be used as a direct replacement given its 2A current rating versus the original 3A specification?

A: The 961260-5804-AR meets all core mechanical and electrical parameters for substitution. However, the 2A per contact current rating is lower than the original 3A specification. This part is suitable only if your application design operates within the 2A per contact limit. Verify your circuit current requirements before selection.

Q: What is the difference between the three Amphenol ICC BERGSTIK® options (77317-112-60LF, 77317-412-60LF, 77317-812-60LF)?

A: All three parts share identical mechanical specifications and operating temperature range (-65°C ~ 130°C). The primary differences are contact finish and packaging: 77317-112-60LF features gold mating finish with GXT™ coating (Bulk packaging), 77317-412-60LF features tin mating finish (Bag packaging), and 77317-812-60LF features gold mating finish with GXT™ coating at reduced thickness (Bag packaging). Contact finish selection depends on your application's corrosion environment and signal requirements.

Q: Are the Preci-Dip 892-70-060-20-002101 and Harwin M20-9703045 interchangeable?

A: Yes. Both parts share identical pitch (0.100"), position count (60), row configuration (2 rows), mounting type (through hole, right angle), current rating (3A), and flammability rating (UL94 V-0). Both carry ROHS3 Compliant status. The 892-70-060-20-002101 is an active product, providing supply continuity for the obsolete M20-9703045.

Q: What packaging options are available for these substitute parts?

A: Packaging varies by manufacturer and part number. The 77317-112-60LF is supplied in Bulk packaging, while 77317-412-60LF and 77317-812-60LF are supplied in Bag packaging. The 892-70-060-20-002101 is supplied in Bulk packaging. Packaging selection may affect handling, storage, and cost considerations for your procurement process.

Q: Do all substitute parts meet the same RoHS compliance level as the original M20-9703045?

A: The M20-9703045 and 892-70-060-20-002101 carry ROHS3 Compliant status. The Amphenol ICC parts (77317-112-60LF, 77317-412-60LF, 77317-812-60LF) and 3M 961260-5804-AR carry RoHS Compliant status. Verify your application's specific RoHS compliance requirements before final part selection.

Q: Can these connectors be cut or modified to reduce position count?

A: The M20-9703045 is specified as a cuttable header. The Amphenol ICC BERGSTIK® series is specified as breakaway headers. The Preci-Dip 892-70-060-20-002101 and 3M 961260-5804-AR are specified as standard headers without explicit cuttable or breakaway designation. Consult manufacturer documentation for specific guidance on mechanical modification capabilities for each substitute part.

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