Molex 0010897043 Equivalent & Substitute Parts

Part Overview

The Molex 0010897043 is an active rectangular connector header designed for through-hole mounting applications. This vertical 4-position connector operates at 2.54mm pitch and is widely used in automotive, medical, telecommunications, and general-purpose applications. The part features a breakaway design with unshrouded configuration and solder termination. Finding equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate regional availability constraints while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	0010897043
Manufacturer	Molex
Category	Rectangular Connectors
Connector Type	Header, Breakaway
Contact Type	Male Pin
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
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0010897043 are qualified based on the following critical parameters that must align with the original design:

Mandatory Matching Parameters:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 4
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Connector Type: Header with breakaway capability
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Contact Shape: Square
Insulation Color: Black
Material Flammability Rating: UL94 V-0

Allowable Variations:

Contact Length - Mating: Minor variations acceptable within mechanical envelope constraints
Contact Length - Post: Minor variations acceptable within PCB thickness tolerance
Overall Contact Length: Minor variations acceptable
Insulation Height: Minor variations acceptable
Contact Finish - Mating: Gold or Tin acceptable
Contact Finish Thickness - Mating: Variations within specification acceptable
Contact Material: Copper Alloy or Phosphor Bronze acceptable
Insulation Material: LCP, Thermoplastic, or PCT acceptable
Operating Temperature: Variations acceptable if minimum range meets application requirements
Current Rating: Variations acceptable if rated capacity meets or exceeds application requirements
Contact Finish - Post: Tin or Gold acceptable
RoHS Status: RoHS Compliant or ROHS3 Compliant acceptable

The four substitute parts listed below meet all mandatory parameters and are electrically and mechanically interchangeable with the Molex 0010897043 within standard PCB assembly tolerances.

Parameter Comparison

Parameter	Molex 0010897043	Amphenol ICC 77313-122-04LF	Amphenol ICC 77313-124-04LF	3M 929665-01-02-EU	3M 929836-01-02-RK
Manufacturer	Molex	Amphenol ICC (FCI)	Amphenol ICC (FCI)	3M	3M
Series	C-Grid 70280	BERGSTIK®	BERGSTIK®	929	929
Connector Type	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Pitch - Mating	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
Number of Rows	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)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Length - Mating	0.320" (8.13mm)	0.305" (7.75mm)	0.266" (6.75mm)	0.235" (5.97mm)	0.235" (5.97mm)
Contact Length - Post	0.110" (2.79mm)	0.120" (3.05mm)	0.114" (2.90mm)	0.110" (2.79mm)	0.110" (2.79mm)
Overall Contact Length	0.520" (13.21mm)	0.526" (13.35mm)	0.480" (12.19mm)	0.445" (11.30mm)	0.445" (11.30mm)
Insulation Height	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold	Tin
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	10.0µin (0.25µm)	200.0µin (5.08µm)
Contact Finish - Post	Tin	Tin	Tin	Gold	Tin
Contact Material	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled	Thermoplastic	Thermoplastic	Polycyclohexylenedimethylene Terephthalate (PCT)	Polycyclohexylenedimethylene Terephthalate (PCT)
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black
Operating Temperature	Not specified	-65°C ~ 130°C	-65°C ~ 130°C	-40°C ~ 105°C	-40°C ~ 105°C
Current Rating (Amps)	Not specified	3A per Contact	3A per Contact	2.5A	2.5A
Product Status	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All four substitute parts maintain active product status and comply with RoHS regulations, ensuring long-term availability and regulatory alignment with the Molex 0010897043.

Amphenol ICC 77313-122-04LF and 77313-124-04LF: These BERGSTIK® series connectors are RoHS Compliant and feature extended operating temperature range (-65°C to 130°C) compared to the original part. Both offer higher current ratings (3A per contact) and are suitable for applications requiring enhanced thermal performance. The 77313-122-04LF maintains closer contact length specifications to the original, while the 77313-124-04LF provides a more compact profile.

3M 929665-01-02-EU: This connector features gold plating on both mating and post contacts, providing enhanced corrosion resistance. Operating temperature range is -40°C to 105°C with 2.5A current rating. The contact length specifications differ more significantly from the original, requiring mechanical envelope verification during design integration.

3M 929836-01-02-RK: This variant uses tin plating on mating contacts with 200.0µin thickness, offering cost optimization while maintaining electrical performance. Operating temperature and current ratings match the 929665-01-02-EU. Mechanical envelope considerations apply similarly.

All parts are MSL 1 (Unlimited) and suitable for standard PCB assembly processes without special moisture handling requirements.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for the Molex 0010897043?

A: Yes. All four substitute parts share identical pitch (2.54mm), position count (4), row configuration (2 rows), contact type (male pin), mounting method (through hole), and termination (solder). They are mechanically and electrically interchangeable within standard PCB assembly tolerances. Contact length variations are within acceptable mechanical envelope ranges for typical applications.

Q: What are the key differences between the Amphenol ICC and 3M options?

A: Amphenol ICC BERGSTIK® connectors (77313-122-04LF and 77313-124-04LF) offer extended operating temperature range (-65°C to 130°C) and higher current ratings (3A per contact) compared to 3M 929 series connectors (-40°C to 105°C, 2.5A per contact). The Amphenol parts use phosphor bronze contacts with thermoplastic insulation, while 3M parts use copper alloy contacts with PCT insulation. Contact length specifications vary between manufacturers.

Q: Which substitute should I select for high-temperature applications?

A: The Amphenol ICC 77313-122-04LF or 77313-124-04LF are recommended for applications requiring operation above 105°C, as they are rated to 130°C. The 3M 929 series connectors are limited to 105°C maximum.

Q: Are there any compliance or certification differences I should consider?

A: All parts are RoHS Compliant and UL94 V-0 rated. The Molex part is ROHS3 Compliant, while Amphenol ICC and 3M parts are RoHS Compliant. Both compliance levels are acceptable for current regulatory requirements. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating.

Q: How do contact finish options affect performance?

A: The Molex 0010897043 uses gold-plated mating contacts (30.0µin thickness) with tin-plated posts. Amphenol ICC parts offer similar gold plating specifications. The 3M 929665-01-02-EU uses thinner gold plating (10.0µin) on both contacts, while the 929836-01-02-RK uses tin plating (200.0µin) on mating contacts. Gold plating provides superior corrosion resistance; tin plating offers cost optimization. Selection depends on environmental exposure and cost requirements.

Q: What mechanical envelope considerations apply when substituting?

A: Contact length variations exist between manufacturers. The Molex part has 0.320" mating contact length, while substitutes range from 0.235" to 0.305". These variations affect mating depth and may require PCB layout verification. Insulation height also varies (0.090" to 0.100"), which may impact board-to-board spacing in constrained designs. Verify mechanical compatibility with mating connectors and PCB thickness before final design release.

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

A: While all parts are mechanically and electrically compatible, mixing different manufacturers in a single assembly is not recommended. Maintain consistency within a design to ensure uniform performance characteristics, contact finish properties, and thermal behavior across all connector positions.

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