Molex 0719730210 Equivalent & Substitute Parts

Part Overview

The Molex 0719730210 is a 20-position receptacle connector with 0.100" (2.54mm) pitch, designed for through-hole, right-angle PCB mounting. This connector features gold-plated mating contacts, push-pull fastening, and is rated for operating temperatures from -40°C to 105°C. The part is active in production and widely used in automotive, telecommunications, medical, and general-purpose applications. Equivalent and substitute parts are identified to provide design flexibility, inventory alternatives, and sourcing options while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	20
Pitch - Mating	0.100" (2.54mm)
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Termination	Solder
Fastening Type	Push-Pull
Material Flammability Rating	UL94 V-0
Contact Shape	Square
Contact Material	Phosphor Bronze

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0719730210 is determined by the following critical parameters:

20-position configuration with 2-row layout
0.100" (2.54mm) mating pitch and row spacing
Through-hole, right-angle PCB mounting
Solder termination with push-pull fastening
Square phosphor bronze contacts
UL94 V-0 flammability rating

The three identified substitute parts meet these core electrical and mechanical requirements. Variations in contact finish (gold versus tin), insulation material composition, and insulation height fall within acceptable tolerance ranges for board-to-board connector applications. All substitute parts maintain compatibility with standard 0.100" pitch header pins and mating connectors.

Parameter Comparison

Parameter	Molex 0719730210	Amphenol ICC 89883-310LF	Amphenol ICC 89883-410LF	Harwin M20-7881046
Manufacturer	Molex	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Harwin Inc.
Series	C-Grid 71973	Dubox™	Dubox™	M20
Number of Positions	20	20	20	20
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	2	2	2	2
Row Spacing - Mating	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
Termination	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Tin	Tin
Contact Shape	Square	Square	Square	Square
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Operating Temperature	-40°C ~ 105°C	Not specified	Not specified	-40°C ~ 105°C
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All three substitute parts are active products with UL94 V-0 flammability certification and MSL 1 rating, confirming suitability for standard PCB assembly processes without moisture precautions.

Amphenol ICC 89883-310LF maintains gold contact finish matching the Molex 0719730210, providing direct electrical and mechanical compatibility. This part is recommended for applications requiring gold-plated mating contacts for enhanced corrosion resistance and contact reliability.

Amphenol ICC 89883-410LF features tin contact finish instead of gold. This substitute is suitable for general-purpose and industrial applications where gold plating is not a design requirement. Tin finish provides adequate contact performance for standard signal and power distribution in non-corrosive environments.

Harwin M20-7881046 provides tin contact finish with specified current rating (3A) and voltage rating (1000V). This part is appropriate for applications requiring explicit electrical performance ratings and is compatible with industrial and telecommunications environments.

Frequently Asked Questions (FAQ)

Q: Can I use Amphenol ICC 89883-310LF as a direct replacement for Molex 0719730210?

A: Yes. Both parts share identical 20-position, 0.100" pitch configuration, through-hole right-angle mounting, and gold contact finish. Mechanical and electrical compatibility is confirmed across all critical parameters.

Q: What is the difference between the two Amphenol ICC substitutes (89883-310LF and 89883-410LF)?

A: The primary difference is contact finish. Part 89883-310LF features gold-plated mating contacts, while 89883-410LF uses tin finish. Both maintain identical pitch, position count, and mounting configuration. Contact finish selection depends on application requirements for corrosion resistance and contact longevity.

Q: Is Harwin M20-7881046 compatible with existing Molex 0719730210 installations?

A: Yes. The Harwin part maintains the same 20-position, 0.100" pitch, through-hole right-angle configuration and push-pull fastening. Mechanical fit and electrical connectivity are preserved. The tin contact finish is functionally equivalent to gold in standard PCB applications.

Q: Are there packaging differences between these parts?

A: Yes. Molex 0719730210 is supplied in tube packaging. Amphenol ICC 89883-310LF is supplied in box packaging, while 89883-410LF and Harwin M20-7881046 are supplied in tube packaging. Packaging format does not affect connector performance or compatibility.

Q: Do all substitute parts meet the same compliance standards?

A: All parts are RoHS compliant and carry UL94 V-0 flammability rating. Molex 0719730210 and Harwin M20-7881046 are ROHS3 compliant. Amphenol ICC parts are RoHS compliant with REACH Affected status, while Molex and Harwin parts are REACH Unaffected.

Q: Can I mix these connectors in the same assembly?

A: Yes. All four parts are mechanically and electrically interchangeable within the same assembly due to identical pitch, position count, and mounting configuration. Mixed usage does not compromise system performance.

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