TE Connectivity 1-103635-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-103635-1 is a rectangular connector header, right-angle configuration, with 12 positions at 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 741 pieces in stock. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support alternative sourcing strategies while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	12
Number of Rows	1
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall
Termination	Solder
Contact Shape	Square
Insulation Material	Thermoplastic
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 strict alignment with the following critical parameters: connector type (header), contact type (male pin), number of positions (12), number of rows (1), pitch (2.54mm), mounting type (through hole, right angle), shrouding configuration (shrouded 4-wall), termination method (solder), contact shape (square), and flammability rating (UL94 V-0).

The identified substitute parts are grouped into two categories:

Direct Manufacturer Equivalent: Part 6-103635-1 from TE Connectivity AMP Connectors maintains identical electrical and mechanical specifications to the main part, with the primary distinction being RoHS compliance status and post-contact finish composition (Tin versus Tin-Lead).

Cross-Manufacturer Alternatives: Parts 0705550046 and 0705550081 from Molex (SL 70555 series) provide functional equivalence across all critical mating parameters. These alternatives differ in contact material composition (Phosphor Bronze versus Brass), insulation material (Polyester, Glass Filled versus Thermoplastic), contact length specifications, and operating temperature lower limit (-40°C versus -65°C).

Parameter Comparison

Parameter	1-103635-1 (Main)	6-103635-1	0705550046	0705550081
Manufacturer	TE Connectivity AMP	TE Connectivity AMP	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
Number of Rows	1	1	1	1
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 Shape	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold
Contact Finish - Post	Tin-Lead	Tin	Tin	Tin
Contact Material	Brass	Brass	Phosphor Bronze	Phosphor Bronze
Insulation Material	Thermoplastic	Thermoplastic	Polyester, Glass Filled	Polyester, Glass Filled
Operating Temperature Range	-65°C ~ 105°C	-65°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black
RoHS Status	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Affected	Vendor Undefined	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

6-103635-1 (TE Connectivity): This part is the direct manufacturer equivalent and is recommended as the primary substitute for the 1-103635-1. It maintains identical mechanical and electrical specifications while offering RoHS compliance. The transition from Tin-Lead to Tin post-contact finish aligns with industry-wide RoHS compliance initiatives. This part is suitable for applications where regulatory compliance is required and supply of the original part is constrained.

0705550046 and 0705550081 (Molex SL 70555 Series): These cross-manufacturer alternatives provide functional equivalence for applications where the operating temperature lower limit of -40°C is acceptable. Both parts are ROHS3 compliant and REACH unaffected, offering superior regulatory compliance profiles. The Phosphor Bronze contact material and glass-filled polyester insulation provide alternative material compositions that may be preferred in specific application environments. Part 0705550081 features increased mating contact finish thickness (30.0µin versus 15.0µin), which may provide enhanced durability in high-cycle mating applications.

Selection between substitute parts should be based on regulatory requirements, operating temperature specifications, and material composition preferences specific to the end application.

Frequently Asked Questions (FAQ)

Q: Can 6-103635-1 be used as a direct replacement for 1-103635-1?

A: Yes. The 6-103635-1 maintains identical electrical and mechanical specifications including connector type, contact configuration, pitch, mounting orientation, and shrouding. The primary differences are RoHS compliance status and post-contact finish material (Tin versus Tin-Lead). Both parts are from TE Connectivity AMP Connectors and are pin-compatible.

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

A: The Molex parts (0705550046 and 0705550081) differ in contact material (Phosphor Bronze versus Brass), insulation material composition (Polyester, Glass Filled versus Thermoplastic), and operating temperature lower limit (-40°C versus -65°C). All parts maintain identical mating pitch, position count, mounting type, and shrouding configuration. The Molex parts are suitable for applications where the -40°C lower temperature limit is acceptable.

Q: Are there differences between Molex parts 0705550046 and 0705550081?

A: Both parts are functionally equivalent with identical electrical and mechanical specifications. The primary distinction is the mating contact finish thickness: 0705550046 features 15.0µin thickness, while 0705550081 features 30.0µin thickness. The increased finish thickness in 0705550081 may provide enhanced contact durability in high-cycle mating applications.

Q: What is the impact of RoHS compliance on part selection?

A: The 1-103635-1 is RoHS non-compliant, while 6-103635-1, 0705550046, and 0705550081 are all RoHS compliant. Applications subject to RoHS regulations or customer requirements for RoHS compliance should specify one of the compliant alternatives. The 6-103635-1 provides the most direct transition as it maintains the same manufacturer and series designation.

Q: Can Molex parts be used in applications requiring -65°C operation?

A: No. The Molex parts (0705550046 and 0705550081) are rated for -40°C to 105°C operation, while the TE Connectivity parts support -65°C to 105°C. Applications requiring operation at temperatures below -40°C must use the TE Connectivity 1-103635-1 or 6-103635-1.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All parts listed are supplied in tube packaging, consistent with the original 1-103635-1 specification.

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

A: The Molex parts (0705550046 and 0705550081) do not specify a current rating in the provided data. The TE Connectivity parts are rated at 3A. Voltage rating for Molex parts is specified as 250V. Detailed electrical performance characteristics should be verified against application requirements.

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