TE Connectivity 1-1734081-3 USB-A Receptacle Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-1734081-3 is a USB-A (USB TYPE-A) USB 2.0 receptacle connector with 4 positions, designed for through-hole, right-angle mounting applications. This connector features a shielded design with board lock functionality and gold-plated contacts. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Substitute connectors maintain functional compatibility through matching electrical specifications, mechanical form factors, and mounting characteristics while offering active product status from alternative manufacturers.

Key Parameters

Parameter	Value
Connector Type	USB-A (USB TYPE-A)
Specifications	USB 2.0
Number of Contacts	4
Gender	Receptacle
Mounting Type	Through Hole, Right Angle
Mounting Feature	Horizontal
Termination	Solder
Features	Board Lock
Material Flammability Rating	UL94 V-0
Mating Cycles	1500
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 1-1734081-3 are grouped based on strict electrical and mechanical parameter alignment. The primary substitution criteria are:

Core Matching Parameters:

Connector Type: USB-A (USB TYPE-A)
Specifications: USB 2.0
Number of Contacts: 4
Gender: Receptacle
Mounting Type: Through Hole, Right Angle
Mounting Feature: Horizontal
Termination: Solder
Features: Board Lock
Material Flammability Rating: UL94 V-0
Mating Cycles: 1500
Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed maintain these core parameters. Variations in current rating, voltage rating, shielding configuration, contact finish, shell material, insulation color, and operating temperature ranges are noted but do not preclude substitution when the core parameters align. Packaging format (Tape & Reel, Cut Tape, Bulk) and product status (Active vs. Obsolete) are documented for procurement planning but do not affect functional compatibility.

Parameter Comparison

Parameter	1-1734081-3 (TE)	690-004-221-013 (Mercury)	614104150121 (Würth)	87520-0110ALF (Amphenol)	87520-0110APLF (Amphenol)	87520-0112ALF (Amphenol)	87520-1112APLF (Amphenol)	87520-2110APLF (Amphenol)	87520-3110ABLF (Amphenol)	87520-3112ALF (Amphenol)	87520-3112APLF (Amphenol)
Connector Type	USB-A	USB-A	USB-A	USB-A	USB-A	USB-A	USB-A	USB-A	USB-A	USB-A	USB-A
Specifications	USB 2.0	USB 2.0	USB 2.0	USB 2.0	USB 2.0	USB 2.0	USB 2.0	USB 2.0	USB 2.0	USB 2.0	USB 2.0
Number of Contacts	4	4	4	4	4	4	4	4	4	4	4
Gender	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Mounting Feature	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Features	Board Lock	Board Lock	Board Lock	Board Lock	Board Lock	Board Lock	Board Lock	Board Lock	Board Lock	Board Lock	Board Lock
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Mating Cycles	1500	1500	1500	1500	1500	1500	1500	1500	1500	1500	1500
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Operating Temperature	-40°C ~ 80°C	-55°C ~ 85°C	-40°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C
Current Rating (Amps)	1.5A	Not specified	1.5A	3A	3A	3A	3A	3A	3A	3A	3A
Voltage - Rated	30VAC	Not specified	30VAC	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified
Shielding	Shielded	Unshielded	Shielded	Shielded	Shielded	Shielded	Shielded	Shielded	Shielded	Shielded	Shielded
Contact Finish	Gold	Gold	Gold	Gold, GXT™	Gold, GXT™	Gold, GXT™	Gold, GXT™	Gold, GXT™	Gold, GXT™	Gold, GXT™	Gold, GXT™
Shell/Shielding Material	Brass	Copper Alloy	Brass	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy
Insulation Color	Black	Black	Black	White	White	White	Black	White	Black	Black	Black
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	Not applicable	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The Würth Elektronik 614104150121 and TE Connectivity 1-1734081-3 share identical electrical specifications (1.5A current rating, 30VAC voltage rating) and mechanical form factors. The 614104150121 is actively produced and carries ROHS3 compliance with REACH Unaffected status, providing direct functional equivalence with enhanced regulatory support.

The Amphenol ICC (FCI) 87520-3112ALF offers the highest inventory availability (4,354 units) among active substitutes. This part maintains all core mechanical and electrical compatibility parameters while providing enhanced current handling (3A rating) and operates across an extended temperature range (-55°C to 85°C). The 87520-3112ALF carries RoHS compliance and REACH Affected status.

Secondary Substitutes (Functional Equivalence with Variations):

The Mercury United Electronics 690-004-221-013 provides functional equivalence with unshielded construction, differing from the shielded design of the original part. This configuration is suitable for applications where EMI shielding is not required. The part is ROHS3 compliant and REACH Unaffected.

The Amphenol ICC (FCI) series 87520 variants (87520-0110ALF, 87520-0110APLF, 87520-0112ALF, 87520-1112APLF, 87520-2110APLF, 87520-3110ABLF, 87520-3112APLF) all maintain core compatibility with variations in packaging format (Tape & Reel vs. Cut Tape), insulation color, and current rating enhancement to 3A. All are actively produced with RoHS compliance.

Regulatory Compliance Considerations:

All substitute parts carry UL94 V-0 flammability ratings matching the original specification. The Würth Elektronik and Mercury United Electronics parts provide REACH Unaffected status, while Amphenol ICC (FCI) parts carry REACH Affected designation. Selection should account for end-application regulatory requirements and supply chain compliance obligations.

Product Status Impact:

The original 1-1734081-3 is classified as obsolete. All listed substitutes maintain active product status, ensuring long-term availability and continued manufacturer support. Active status provides access to current manufacturing processes, quality assurance protocols, and technical documentation.

Frequently Asked Questions (FAQ)

Q: Can the 690-004-221-013 (Mercury) substitute for the 1-1734081-3 in all applications?

A: The 690-004-221-013 maintains all core mechanical and electrical compatibility parameters. The primary difference is unshielded construction versus the shielded design of the original part. Substitution is valid for applications where EMI shielding is not required. Applications requiring shielded connectors should select shielded alternatives such as the 614104150121 or 87520 series variants.

Q: What is the difference between the various Amphenol 87520 series part numbers?

A: The 87520 series variants differ in packaging format and insulation color. The 87520-3112ALF is supplied in Cut Tape (CT) format with black insulation. The 87520-3112APLF is supplied in Tape & Reel (TR) format with black insulation. Other variants (87520-0110ALF, 87520-0110APLF, 87520-0112ALF, 87520-1112APLF, 87520-2110APLF, 87520-3110ABLF) differ in packaging and insulation color but maintain identical electrical and mechanical specifications. All variants are functionally equivalent for board-level applications.

Q: Does the higher current rating (3A) of the Amphenol parts affect compatibility?

A: No. The higher current rating of Amphenol 87520 series parts (3A versus 1.5A on the original) represents enhanced capability and does not affect compatibility. The connector can safely handle the original design current of 1.5A. The higher rating provides additional design margin for applications requiring increased current capacity.

Q: Are there temperature range differences between substitutes?

A: Yes. The original 1-1734081-3 operates from -40°C to 80°C. Most substitute parts extend the upper limit to 85°C and lower limit to -55°C. The Würth Elektronik 614104150121 operates from -40°C to 85°C. For applications operating within the original temperature range (-40°C to 80°C), all substitutes are compatible. Applications requiring operation below -40°C or above 85°C should verify specific part temperature ratings.

Q: What is the significance of the GXT™ contact finish on Amphenol parts?

A: GXT™ is a proprietary contact finish technology applied to Amphenol connectors. The original 1-1734081-3 uses standard gold plating. Both finishes provide gold contact surfaces for reliable electrical connection. The GXT™ finish represents an alternative gold-based technology and does not preclude substitution.

Q: How do packaging formats (Tape & Reel vs. Cut Tape vs. Bulk) affect selection?

A: Packaging format affects procurement and assembly processes but not functional compatibility. Tape & Reel (TR) format is standard for automated pick-and-place assembly. Cut Tape (CT) format is suitable for manual assembly or lower-volume production. Bulk packaging is used for inventory stocking. Selection should align with manufacturing process requirements and volume needs.

Q: Is the Mercury 690-004-221-013 suitable for high-speed USB 2.0 data applications?

A: The 690-004-221-013 meets USB 2.0 specifications and maintains all required electrical parameters. The unshielded construction may introduce increased susceptibility to electromagnetic interference in environments with high EMI. For applications in electromagnetically noisy environments or where signal integrity is critical, shielded alternatives (614104150121 or 87520 series) are recommended.

Q: What is the REACH Affected designation on Amphenol parts?

A: REACH Affected status indicates the part contains substances subject to REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulations. This designation requires compliance documentation and may impose restrictions on use in certain applications or geographic regions. Applications subject to REACH compliance requirements should select parts with REACH Unaffected status (614104150121 or 690-004-221-013) or obtain appropriate REACH documentation from the manufacturer.

Q: Can substitutes be mixed within a single design or assembly?

A: All listed substitutes maintain identical mechanical form factors and electrical specifications for core parameters. Mixing different substitute parts within a single assembly is technically feasible. However, design consistency and supply chain management typically favor standardizing on a single substitute part number to simplify procurement, inventory management, and quality control.

Q: What inventory levels are available for each substitute?

A: Current inventory levels are: 87520-3112ALF (4,354 units), 614104150121 (3,225 units), 690-004-221-013 (1,827 units), 87520-2110APLF (1,048 units), 87520-3110ABLF (1,140 units), 87520-0112ALF (1,151 units), 87520-0110ALF (977 units), 87520-1112APLF (953 units), 87520-3112APLF (820 units), 87520-0110APLF (831 units). Inventory levels are subject to change and should be confirmed with suppliers for current availability.

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