TE Connectivity 1-103673-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-103673-1 is a rectangular connector header, right-angle configuration, with 12 positions at 0.100" (2.54mm) pitch. This through-hole, shrouded connector is designed for board-to-board or cable applications in automotive, general purpose, medical, and telecommunications environments. The part is currently active in production with 724 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design alternatives where specific performance parameters align with application requirements.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	12
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall
Termination	Solder
Contact Finish - Mating	Gold
Operating Temperature Range	-65°C ~ 105°C
Current Rating	3A
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution eligibility is determined by alignment across the following critical parameters: connector type (header), contact type (male pin), number of positions (12), mating pitch (0.100" / 2.54mm), mounting configuration (through-hole, right-angle), shrouding style (shrouded 4-wall), termination method (solder), and material flammability rating (UL94 V-0).

Direct Equivalent (TE Connectivity 6-103673-1): Identical across all specified parameters. Differs only in post contact finish (Tin versus Tin-Lead) and RoHS compliance status (RoHS Compliant versus Not Applicable).

Similar Substitutes (Molex 0705550046 and 0705550081): Both Molex parts maintain core compatibility in connector type, contact type, position count, pitch, mounting style, shrouding, termination, and flammability rating. Variations exist in contact length specifications, insulation height, contact material composition (Phosphor Bronze versus Brass), insulation material (Polyester, Glass Filled versus Thermoplastic), voltage rating (250V specified), and operating temperature lower limit (-40°C versus -65°C).

Parameter Comparison

Parameter	1-103673-1 (Main)	6-103673-1 (Direct)	0705550046 (Molex)	0705550081 (Molex)
Manufacturer	TE Connectivity	TE Connectivity	Molex	Molex
Series	AMPMODU MTE	AMPMODU MTE	SL 70555	SL 70555
Connector Type	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	12	12	12	12
Pitch - 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
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Termination	Solder	Solder	Solder	Solder
Contact Length - Mating	0.230" (5.84mm)	0.230" (5.84mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.130" (3.30mm)	0.130" (3.30mm)	0.130" (3.30mm)	0.130" (3.30mm)
Insulation Height	0.200" (5.08mm)	0.200" (5.08mm)	0.215" (5.45mm)	0.215" (5.45mm)
Contact Shape	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold
Contact Finish Thickness - Mating	15.0µin (0.38µm)	15.0µin (0.38µm)	15.0µin (0.38µm)	30.0µin (0.76µm)
Contact Material	Brass	Brass	Phosphor Bronze	Phosphor Bronze
Insulation Material	Thermoplastic	Thermoplastic	Polyester, Glass Filled	Polyester, Glass Filled
Operating Temperature	-65°C ~ 105°C	-65°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Current Rating (Amps)	3A	3A	Not specified	Not specified
Voltage Rating	Not specified	Not specified	250V	250V
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	Not applicable	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Affected	Vendor Undefined	REACH Unaffected	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

TE Connectivity 6-103673-1 (Direct Equivalent): This part is the primary substitute for 1-103673-1. Both are TE Connectivity AMPMODU MTE series connectors with identical mechanical and electrical specifications. The 6-103673-1 carries RoHS Compliant certification, whereas the main part is not applicable for RoHS. Selection of 6-103673-1 is appropriate for applications requiring RoHS compliance or where post contact finish material (Tin versus Tin-Lead) is acceptable. Inventory availability is higher (2838 units versus 724 units).

Molex 0705550046 and 0705550081 (Similar Substitutes): Both Molex SL 70555 series connectors provide functional equivalence for applications where the specified parameter variations are acceptable. These parts are ROHS3 Compliant and REACH Unaffected, offering regulatory advantages in certain procurement contexts. The Molex parts feature Phosphor Bronze contact material and glass-filled polyester insulation, compared to Brass and thermoplastic in the TE Connectivity parts. Operating temperature lower limit is -40°C (versus -65°C for TE parts), which may restrict use in extreme cold environments. Contact length for mating is 0.240" (6.10mm) versus 0.230" (5.84mm), and insulation height is 0.215" (5.45mm) versus 0.200" (5.08mm). Voltage rating is specified at 250V for Molex parts. The 0705550081 provides increased gold plating thickness (30.0µin versus 15.0µin) on mating contacts.

Selection between these substitutes depends on application-specific requirements for operating temperature range, contact material properties, insulation material characteristics, and regulatory compliance status.

Frequently Asked Questions (FAQ)

Q: Can 6-103673-1 be used as a direct replacement for 1-103673-1?

A: Yes. Both parts are TE Connectivity AMPMODU MTE series connectors with identical specifications for connector type, position count, pitch, mounting configuration, shrouding, termination, and operating temperature range. The primary difference is RoHS compliance status and post contact finish material (Tin versus Tin-Lead). Mechanical and electrical compatibility is complete.

Q: What are the key differences between TE Connectivity and Molex substitute options?

A: TE Connectivity 6-103673-1 maintains identical mechanical dimensions and contact specifications to the main part. Molex 0705550046 and 0705550081 differ in contact length (mating), insulation height, contact material (Phosphor Bronze versus Brass), insulation material composition (glass-filled polyester versus thermoplastic), and operating temperature lower limit (-40°C versus -65°C). Molex parts specify 250V voltage rating. Both Molex parts are ROHS3 Compliant and REACH Unaffected.

Q: Are the Molex parts suitable for applications requiring -65°C operation?

A: No. Molex 0705550046 and 0705550081 are rated for -40°C to 105°C operating temperature. Applications requiring -65°C minimum temperature must use TE Connectivity 1-103673-1 or 6-103673-1, both rated -65°C to 105°C.

Q: What is the difference between Molex 0705550046 and 0705550081?

A: Both parts are functionally identical with one exception: contact finish thickness on mating surfaces. The 0705550046 has 15.0µin (0.38µm) gold plating, while 0705550081 has 30.0µin (0.76µm) gold plating. The thicker plating on 0705550081 provides enhanced wear resistance and corrosion protection for high-cycle mating applications.

Q: Do these connectors require specific mating components?

A: The 12-position, 0.100" (2.54mm) pitch, shrouded 4-wall header configuration is a standard form factor. Mating receptacles must match this specification. Compatibility is determined by pitch, position count, shrouding style, and contact type (male pin header). Mechanical dimensions, particularly contact length and insulation height, should be verified for specific mating receptacle designs.

Q: What is the significance of the contact material difference (Brass versus Phosphor Bronze)?

A: Brass (TE Connectivity parts) and Phosphor Bronze (Molex parts) are both suitable for connector applications. Phosphor Bronze offers higher spring force and wear resistance, making it advantageous for high-cycle mating environments. Brass provides good electrical conductivity and corrosion resistance. Selection depends on application cycle requirements and contact force specifications of the mating receptacle.

Q: Are all four parts suitable for automotive applications?

A: Yes. All four parts list automotive applications in their specifications. TE Connectivity 1-103673-1 and 6-103673-1 also specify medical and telecommunications applications. Molex 0705550046 and 0705550081 additionally specify industrial applications. Compliance with specific automotive standards (such as AEC-Q200) should be verified with manufacturer documentation if required.

Q: What is the current rating for the Molex parts?

A: Current rating is not specified in the provided data for Molex 0705550046 and 0705550081. TE Connectivity parts are rated at 3A. Contact Molex directly for current rating specifications if this parameter is critical for application design.

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