Harwin M20-9700246 Equivalent & Substitute Parts

Part Overview

The Harwin M20-9700246 is a rectangular connector header with right-angle mounting, 4 positions, and 2.54mm pitch designed for through-hole soldering applications. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance requirements. The part features unshrouded male pins with push-pull fastening, suitable for board-to-board or cable interconnections in general-purpose applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	M20-9700246
Manufacturer	Harwin Inc.
Category	Rectangular Connectors
Connector Type	Header, Cuttable
Pitch - Mating	0.100" (2.54mm)
Number of Positions	4
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Contact Type	Male Pin
Termination	Solder
Fastening Type	Push-Pull
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 for the M20-9700246 is determined by the following critical parameters that must remain consistent:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 4
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole, Right Angle
Contact Type: Male Pin
Termination: Solder
Fastening Type: Push-Pull
Insulation Material: Polyamide or equivalent thermoplastic
Material Flammability Rating: UL94 V-0
RoHS Compliance: ROHS3 or RoHS Compliant

Substitute parts are grouped into two categories based on contact material and finish specifications:

Category A - Harwin Active Equivalent: M20-9950245 (same manufacturer, active product status, direct replacement with gold-plated contacts)

Category B - Third-Party Alternatives: Molex C-Grid 71764 series, Amphenol ICC BERGSTIK® 76350 and 77317 series, Preci-Dip 802 and 892 series, and 3M 961 series. These maintain core electrical and mechanical compatibility while offering variations in contact finish, material composition, and operating temperature ranges.

Parameter Comparison

Parameter	M20-9700246 (Main)	M20-9950245	0717640104 / 0717640204	76350-104-04LF	77317-112-04LF	77317-412-04LF	77317-812-04LF	802-80-004-20-001101	892-18-004-20-001101	961204-5804-AR
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)
Number of Positions	4	4	4	4	4	4	4	4	4	4
Number of Rows	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)
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	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	Male Pin	Male Pin	Male Pin	Male Pin
Termination	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
Contact Material	Brass	Brass	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Brass	Brass	Copper Alloy
Contact Finish - Mating	Tin	Gold	Gold	Gold, GXT™	Gold, GXT™	Tin	Gold, GXT™	Tin	Gold	Gold
Insulation Material	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled	Polyamide (PA), Nylon, Glass Filled	Thermoplastic
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	Not Specified	Not Specified	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-55°C ~ 125°C	-55°C ~ 125°C	-25°C ~ 105°C
Current Rating	3A per Contact	3A per Contact	Not Specified	Not Specified	3A per Contact	3A per Contact	3A per Contact	3A	3A	2A
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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: M20-9950245

The M20-9950245 is the manufacturer-recommended equivalent from Harwin Inc. This part maintains identical electrical and mechanical specifications to the M20-9700246 while offering active product status with 15,592 units in stock. The primary difference is the contact finish upgrade from tin to gold plating, which enhances contact reliability and corrosion resistance. This part is suitable for direct replacement in all applications where the original M20-9700246 was specified.

Secondary Recommendations by Application:

For applications requiring extended operating temperature range (-65°C to 130°C), the Amphenol ICC BERGSTIK® series (77317-112-04LF, 77317-412-04LF, 77317-812-04LF) provides superior thermal performance. These parts maintain 3A current rating and UL94 V-0 flammability compliance. Selection among these three variants depends on contact finish requirements: 77317-112-04LF and 77317-812-04LF offer gold plating with different thickness specifications, while 77317-412-04LF provides tin finish.

For applications requiring standard operating temperature range (-40°C to 105°C) with alternative sourcing, the Molex C-Grid 71764 series (0717640104 or 0717640204) offers active product status with gold-plated contacts and UL94 V-0 compliance. The primary distinction between these two part numbers is packaging format (bulk versus tube).

For cost-sensitive applications, the Preci-Dip 892-18-004-20-001101 provides ROHS3 compliance, 3A current rating, and gold contact finish with active product status. This part operates across -55°C to 125°C and includes 150VDC voltage rating specification.

Not Recommended for Direct Substitution:

The 3M 961204-5804-AR carries a reduced current rating of 2A per contact, making it unsuitable for applications requiring the full 3A specification of the original part.

Frequently Asked Questions (FAQ)

Q: Can M20-9950245 be used as a direct replacement for M20-9700246?

A: Yes. The M20-9950245 is the manufacturer-recommended equivalent. Both parts share identical pitch (2.54mm), position count (4), row configuration (2 rows), mounting type (through-hole right-angle), and current rating (3A per contact). The primary difference is contact finish (gold versus tin), which improves reliability without affecting mechanical compatibility.

Q: What is the difference between the Amphenol ICC 77317 variants?

A: The 77317-112-04LF, 77317-412-04LF, and 77317-812-04LF differ in contact finish specifications. The 77317-112-04LF and 77317-812-04LF feature gold plating with 30.0µin and 15.0µin thickness respectively, while 77317-412-04LF uses tin finish. All three maintain identical electrical and mechanical parameters, including 3A current rating and -65°C to 130°C operating temperature range.

Q: Are Molex 0717640104 and 0717640204 interchangeable?

A: Yes, electrically and mechanically. Both parts are from the C-Grid 71764 series with identical specifications. The distinction is packaging: 0717640104 is supplied in bulk, while 0717640204 is supplied in tube format. Selection depends on procurement and handling requirements.

Q: Does contact material affect substitution compatibility?

A: Contact material differences (brass versus phosphor bronze versus copper alloy) do not prevent substitution when all other parameters remain constant. Material selection affects mechanical durability and cost but does not impact electrical performance for this connector class. All substitute parts maintain UL94 V-0 flammability compliance and equivalent current-carrying capacity.

Q: Why is the 3M 961204-5804-AR not recommended?

A: The 961204-5804-AR carries a 2A current rating per contact, compared to the 3A specification of the M20-9700246. This reduced capacity makes it unsuitable for applications requiring full 3A performance. Use this part only when application current requirements do not exceed 2A per contact.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in bulk and tube packaging formats. M20-9950245, 0717640104, 76350-104-04LF, 77317-112-04LF, 77317-412-04LF, 77317-812-04LF, 802-80-004-20-001101, and 892-18-004-20-001101 are supplied in bulk. The Molex 0717640204 is supplied in tube format. Packaging selection does not affect electrical or mechanical performance.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed carry either ROHS3 Compliant or RoHS Compliant status, meeting regulatory requirements for hazardous substance restrictions.

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