Molex 0010892081 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Molex 0010892081 is an 8-position vertical connector header with 2.54mm pitch, designed for through-hole board-to-board or cable applications. This component features male pins with gold-plated mating contacts and tin-plated posts, housed in an unshrouded polyester glass-filled insulation body. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for new designs or production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	0010892081
Manufacturer	Molex
Series	C-Grid 8624
Product Status	Obsolete
Connector Type	Header, Breakaway
Contact Type	Male Pin
Number of Positions	8
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Finish - Mating	Gold
Contact Finish - Post	Tin
Insulation Material	Polyester, Glass Filled
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Number of positions: 8
Number of rows: 2
Pitch - mating: 0.100" (2.54mm)
Row spacing - mating: 0.100" (2.54mm)
Contact type: Male Pin
Mounting type: Through Hole
Termination: Solder
Fastening type: Push-Pull
Connector type: Header, Breakaway
Style: Board to Board or Cable
Shrouding: Unshrouded
Contact shape: Square
Insulation color: Black
Material flammability rating: UL94 V-0

Allowable Variations:

Contact material: Phosphor Bronze or Copper Alloy
Insulation material: Polyester Glass Filled, Liquid Crystal Polymer (LCP), or Thermoplastic
Contact finish - mating: Gold or Tin
Contact finish - post: Tin or Tin-Lead
Overall contact length: ±0.030" tolerance
Insulation height: ±0.020" tolerance
Operating temperature range: May extend beyond original specification
Current rating: 3A per contact acceptable
RoHS compliance: ROHS3 or RoHS Compliant acceptable

Substitute parts are grouped by product status (Active preferred over Obsolete or Discontinued) and compliance certifications.

Parameter Comparison

Parameter	Molex 0010892081	TE 5-146257-4	TE 5-146259-4	TE 5-146261-4	KYOCERA 008261083210854	Amphenol 10076801-401-08LF	3M 2308-6121-TG	3M 2308-6121-TP	TE 4-103328-0-04	TE 4-103777-0-04	TE 4-103783-0-04
Manufacturer	Molex	TE Connectivity	TE Connectivity	TE Connectivity	KYOCERA AVX	Amphenol ICC	3M	3M	TE Connectivity	TE Connectivity	TE Connectivity
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Obsolete	Obsolete	Discontinued at DiGi Electronics
Number of Positions	8	8	8	8	8	8	8	8	8	8	8
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
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)
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	Solder	Solder	Solder	Solder	Solder	Solder
Contact Length - Mating	0.240" (6.10mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.236" (6.00mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)
Contact Length - Post	0.107" (2.71mm)	0.120" (3.05mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.118" (3.00mm)	0.098" (2.50mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.090" (2.29mm)	0.090" (2.29mm)
Overall Contact Length	0.437" (11.10mm)	0.440" (11.18mm)	0.410" (10.41mm)	0.410" (10.41mm)	0.413" (10.49mm)	0.440" (11.18mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.440" (11.18mm)	0.410" (10.41mm)	0.410" (10.41mm)
Insulation Height	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.059" (1.50mm)	0.112" (2.85mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Tin	Gold	Tin-Lead	Tin-Lead	Tin-Lead	Gold
Contact Finish - Post	Tin	Tin	Tin	Tin	Gold	Tin	Tin-Lead	Tin-Lead	Tin-Lead	Tin-Lead	Tin-Lead
Contact Material	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Copper Alloy
Insulation Material	Polyester, Glass Filled	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Thermoplastic	Thermoplastic	Thermoplastic, Glass Filled	Thermoplastic, Glass Filled	Thermoplastic	Thermoplastic	Thermoplastic
Operating Temperature	Not specified	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-55°C ~ 85°C	-65°C ~ 130°C	-55°C ~ 105°C	-55°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C
Current Rating	Not specified	3A	3A	3A	3A per Contact	3A per Contact	3A	3A	3A	3A	3A
RoHS Status	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Active Status, RoHS Compliant):

TE Connectivity 5-146257-4, 5-146259-4, and 5-146261-4 are the preferred active alternatives. All three are AMPMODU Mod II series connectors with active product status and RoHS compliance. These parts maintain the critical 8-position, 2-row, 2.54mm pitch configuration with through-hole solder termination. The TE parts feature Liquid Crystal Polymer insulation, which provides superior thermal and chemical resistance compared to the original polyester glass-filled material. Contact length variations are within acceptable mechanical tolerance ranges for standard PCB applications.

Secondary Substitutes (Active Status, Compliance Considerations):

KYOCERA AVX 008261083210854 and Amphenol ICC 10076801-401-08LF are active alternatives with ROHS3 and RoHS compliance respectively. The KYOCERA part operates at -55°C to 85°C, which is narrower than the TE alternatives. The Amphenol part features tin-plated mating contacts and phosphor bronze material, matching the original contact material specification more closely than copper alloy alternatives.

3M 2308-6121-TG and 2308-6121-TP are active but RoHS non-compliant. These parts are suitable only for applications where RoHS compliance is not required. The 2308-6121-TG variant features gold-plated mating contacts; the 2308-6121-TP variant uses tin-lead plating.

Obsolete or Discontinued Alternatives (Not Recommended for New Designs):

TE Connectivity 4-103328-0-04, 4-103777-0-04, and 4-103783-0-04 are obsolete or discontinued. While mechanically compatible, these parts should not be selected for new production designs due to supply chain discontinuation.

Frequently Asked Questions (FAQ)

Q: Can TE Connectivity 5-146257-4 directly replace Molex 0010892081 in existing designs?

A: Yes. Both connectors maintain identical pitch (2.54mm), position count (8), row configuration (2), and through-hole solder termination. The TE part is mechanically and electrically compatible. The primary difference is insulation material (LCP versus polyester glass-filled), which provides improved thermal performance in the TE variant.

Q: What is the significance of contact length variations between substitute parts?

A: Contact length variations affect mating depth and insertion force characteristics. The original Molex part specifies 0.240" mating contact length, while most TE alternatives provide 0.230". This 0.010" difference is within standard mechanical tolerance for 2.54mm pitch connectors and does not affect functional compatibility with standard receptacle housings.

Q: Are the 3M 2300 series parts suitable for new production?

A: The 3M 2308-6121-TG and 2308-6121-TP parts are mechanically compatible but carry RoHS non-compliant status. Selection depends on regulatory requirements. If RoHS compliance is mandatory, these parts are not suitable. If legacy applications permit non-compliant components, they remain available.

Q: What is the difference between ROHS3 Compliant and RoHS Compliant designations?

A: ROHS3 Compliant indicates compliance with the third iteration of the Restriction of Hazardous Substances directive, which includes additional restricted substances beyond the original RoHS specification. RoHS Compliant indicates compliance with the original directive. Both designations satisfy RoHS requirements; ROHS3 represents a more stringent standard.

Q: Can I use Amphenol 10076801-401-08LF if my application requires tin-plated mating contacts?

A: Yes. The Amphenol part features tin-plated mating contacts, matching the contact finish requirement if your application specifies tin rather than gold. This part also uses phosphor bronze contact material, identical to the original Molex specification.

Q: What is the operating temperature range for the original Molex 0010892081?

A: The operating temperature range is not specified in the component data. When selecting a substitute, reference the application requirements. Most active alternatives operate at -65°C to 105°C or -55°C to 105°C, which covers typical industrial and consumer electronics temperature ranges.

Q: Are there inventory considerations when selecting a substitute?

A: Yes. TE Connectivity 5-146259-4 maintains the highest inventory level (3,426 pieces), followed by TE 4-103328-0-04 (2,560 pieces) and 3M 2308-6121-TP (1,040 pieces). For applications requiring immediate availability, prioritize parts with higher stock levels among the active alternatives.

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