TE Connectivity 749181-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 749181-1 is a 4 Position Circular Connector Receptacle with Female Sockets, designed for solder termination. This Mini DIN connector features a through-hole, right-angle mounting configuration with push-pull fastening and board lock functionality. The connector is rated for 1A at 30VDC and operates across a temperature range of -55°C to 105°C, making it suitable for audio and video applications.

The 749181-1 carries an Obsolete product status. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production and field service requirements for systems utilizing this connector type.

Substiute Parts

749181-1

TE Connectivity AMP ConnectorsIn Stock: 819749181-1 Datasheet

Current PartRFQ

5749181-1

TE Connectivity AMP ConnectorsIn Stock: 93765749181-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 749181-1 are identified based on electrical and mechanical parameter equivalence. The following criteria determine substitution validity:

Electrical Parameters:

• Current Rating: 1A
• Voltage Rating: 30VDC
• Contact Finish: Gold

Mechanical Parameters:

• Connector Type: Receptacle, Female Sockets
• Number of Positions: 4
• Shell Size: Mini DIN
• Mounting Type: Through Hole, Right Angle
• Termination: Solder
• Fastening Type: Push-Pull
• Orientation: Keyed
• Shielding: Shielded

Environmental & Compliance Parameters:

• Operating Temperature Range: -55°C to 105°C
• Material Flammability Rating: UL94 V-0
• Contact Material: Copper Alloy
• Contact Finish Thickness: 30.0µin (0.76µm)

Parts meeting all specified parameters are classified as direct equivalents and may be substituted without design modification.

Parameter Comparison

Engineering Selection Recommendations

The 5749181-1 is a direct electrical and mechanical equivalent to the 749181-1. Both parts share identical specifications across all critical parameters including connector type, pin count, shell size, mounting configuration, electrical ratings, and operating temperature range.

The primary distinction between these parts is product status and regulatory compliance. The 749181-1 is classified as Obsolete with RoHS non-compliant status, while the 5749181-1 carries Active product status and is ROHS3 Compliant. For new designs, production continuity, and systems requiring regulatory compliance with modern environmental standards, the 5749181-1 is the appropriate selection.

Both parts are manufactured by TE Connectivity AMP Connectors and maintain identical electrical performance characteristics, making the 5749181-1 a direct functional replacement for the 749181-1 in all audio and video applications within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can the 5749181-1 be used as a direct replacement for the 749181-1 in existing designs?

A: Yes. The 5749181-1 meets all electrical and mechanical specifications of the 749181-1. Both connectors are 4-position Mini DIN receptacles with identical current ratings, voltage ratings, operating temperature ranges, and mounting configurations. Direct substitution is supported without design modification.

Q: What is the difference between the 749181-1 and 5749181-1?

A: The primary differences are product status and regulatory compliance. The 749181-1 is Obsolete and RoHS non-compliant. The 5749181-1 is Active and ROHS3 Compliant. Packaging differs, with the 5749181-1 supplied in Tube format. All electrical and mechanical parameters are identical.

Q: Why is the 749181-1 marked as Obsolete?

A: The 749181-1 carries Obsolete status, indicating it is no longer in active production. The 5749181-1 serves as the current production equivalent and is recommended for all new applications and ongoing supply requirements.

Q: Are there any compatibility concerns when substituting the 5749181-1 for the 749181-1?

A: No compatibility concerns exist. Both connectors feature identical keyed orientation, push-pull fastening, board lock functionality, and solder termination. Mechanical fit and electrical performance are equivalent.

Q: What is the significance of the RoHS compliance difference?

A: The 749181-1 is RoHS non-compliant, while the 5749181-1 is ROHS3 Compliant. For applications subject to environmental regulations or customer requirements mandating RoHS compliance, the 5749181-1 is the appropriate selection.

Q: Do both connectors support the same current and voltage ratings?

A: Yes. Both the 749181-1 and 5749181-1 are rated for 1A at 30VDC and operate across the identical temperature range of -55°C to 105°C.

Q: What packaging formats are available?

A: The 749181-1 packaging format is not specified in available documentation. The 5749181-1 is supplied in Tube packaging.