TE Connectivity 521598-1 Quick Connect Female Crimp Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 521598-1 is a 0.187" (4.75mm) Quick Connect Female 18-22 AWG Crimp Connector with fully insulated design, manufactured as part of the Ultrapod series. This connector features an angled 90° flag terminal configuration suitable for free-hanging, in-line, and right-angle mounting applications. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain supply chain continuity and ensure design compatibility in new procurement cycles.

Substiute Parts

521598-1

TE Connectivity AMP ConnectorsIn Stock: 727521598-1 Datasheet

Current PartRFQ

521600-2

TE Connectivity AMP ConnectorsIn Stock: 8313521600-2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete TE Connectivity 521598-1 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Tab width: 0.187" (4.75mm)
• Tab thickness: 0.032" (0.81mm)
• Wire gauge range: 18-22 AWG
• Gender: Female
• Contact material: Brass

Mechanical Compatibility Parameters:

• Terminal type: Angled - 90°, Flag
• Insulation type: Fully Insulated
• Mounting configuration: Free Hanging (In-Line), Right Angle
• Insulation diameter range: 0.060" ~ 0.110" (1.52mm ~ 2.79mm)

Regulatory & Environmental Parameters:

• RoHS Compliance: Required
• MSL Rating: 1 (Unlimited)
• Termination method: Crimp

The substitute part must maintain identical electrical and mechanical specifications across all listed parameters to ensure direct interchangeability without circuit redesign or connector interface modification.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 521600-2 is the direct equivalent substitute for the obsolete 521598-1. Both parts maintain identical electrical and mechanical specifications across all critical parameters, including tab dimensions, wire gauge compatibility, terminal configuration, and insulation characteristics.

The 521600-2 offers the following advantages for component selection:

Product Status: The 521600-2 maintains active product status with TE Connectivity, ensuring ongoing availability and manufacturing support. The obsolete status of 521598-1 creates supply chain risk for new designs and production runs.

Regulatory Compliance: Both parts maintain RoHS Compliance and MSL Rating 1 (Unlimited) certifications, ensuring compatibility with current environmental and reliability standards.

Packaging Availability: The 521600-2 is supplied in Cut Tape (CT) packaging, providing standard distribution format for component procurement and assembly operations.

Contact Finish Enhancement: The 521600-2 specifies tin contact finish, whereas the main part does not specify finish material. Tin plating provides enhanced corrosion resistance and improved contact reliability in field applications.

Inventory Status: The 521600-2 maintains significantly higher inventory levels (8212 pcs) compared to the main part (711 pcs), supporting immediate procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can the 521600-2 be used as a direct replacement for 521598-1 without circuit modification?

A: Yes. The 521600-2 maintains identical electrical and mechanical specifications across all critical parameters, including tab width, tab thickness, wire gauge range, terminal type, and mounting configuration. Direct substitution is supported without circuit redesign or connector interface modification.

Q: What is the significance of the tin contact finish on the 521600-2?

A: The tin contact finish on the 521600-2 provides enhanced corrosion resistance and improved contact reliability compared to unspecified finish material. This enhancement does not affect electrical or mechanical compatibility and supports long-term field performance.

Q: Are both parts suitable for 18-22 AWG wire applications?

A: Yes. Both the 521598-1 and 521600-2 are rated for 18-22 AWG wire gauge range with identical insulation diameter specifications of 0.060" ~ 0.110" (1.52mm ~ 2.79mm).

Q: What packaging format is available for the 521600-2?

A: The 521600-2 is supplied in Cut Tape (CT) packaging, which is the standard distribution format for component procurement and automated assembly operations.

Q: Why is the 521598-1 classified as obsolete?

A: The 521598-1 is classified as obsolete by TE Connectivity. The 521600-2 represents the active equivalent product for ongoing procurement and design applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the 521598-1 and 521600-2 maintain RoHS Compliance certification, meeting current environmental and regulatory requirements.

Q: What is the MSL rating for these connectors?

A: Both parts carry MSL Rating 1 (Unlimited), indicating unlimited shelf life and no moisture sensitivity restrictions for storage and handling.