S526-46 Equivalent & Substitute Parts

Part Overview

The S526-46 is a 0.250" (6.35mm) Quick Connect Male Solder Connector with non-insulated design, manufactured by Harwin Inc. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations. The part features a right-angle mounting configuration with solder termination, brass contact material, and tin finish. Due to its obsolete status, equivalent alternatives from active manufacturers are necessary to ensure supply chain continuity and component availability.

Substiute Parts

S526-46

Harwin Inc.In Stock: 696S526-46 Datasheet

Current PartRFQ

63952-1

TE Connectivity AMP ConnectorsIn Stock: 107263952-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 63952-1 (TE Connectivity AMP Connectors, Faston series) qualifies as a direct equivalent based on the following critical parameters:

Matching Parameters:

• Tab width: 0.250" (6.35mm) — identical mechanical interface
• Gender: Male — same connector orientation
• Termination method: Solder — compatible assembly process
• Insulation type: Non-Insulated — identical electrical configuration
• Mounting type: Through Hole, Right Angle — same PCB integration method
• Contact material: Brass — equivalent electrical and mechanical properties
• Contact finish: Tin — compatible surface treatment
• MSL Rating: 1 (Unlimited) — equivalent moisture sensitivity classification

Variance Noted:

• Tab thickness: 63952-1 measures 0.032" (0.81mm) versus S526-46 at 0.031" (0.79mm) — a 0.01mm difference within typical manufacturing tolerances for quick-connect terminals
• Terminal type designation differs (Standard vs. Angled - 90°) but both parts feature right-angle mounting configuration

The 63952-1 maintains functional and mechanical compatibility for direct substitution in applications requiring 0.250" quick-connect solder terminals.

Parameter Comparison

Engineering Selection Recommendations

The 63952-1 from TE Connectivity AMP Connectors (Faston series) is the qualified substitute for the obsolete S526-46. Selection rationale is based on:

Product Status: The 63952-1 maintains active production status, ensuring long-term availability and supply chain reliability compared to the obsolete S526-46.

Compliance Alignment: Both parts meet RoHS requirements (ROHS3 Compliant for S526-46; RoHS Compliant for 63952-1), satisfying regulatory mandates for new designs and replacements.

Electrical and Mechanical Compatibility: Identical tab width (0.250"), gender (Male), termination method (Solder), and mounting configuration (Through Hole, Right Angle) ensure direct functional substitution without circuit redesign.

Manufacturing Tolerance Consideration: The tab thickness variance of 0.01mm (0.031" to 0.032") falls within standard manufacturing tolerances for quick-connect terminals and does not affect mating performance or electrical characteristics.

Moisture Sensitivity: Both parts carry MSL Rating 1 (Unlimited), indicating equivalent environmental performance and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can the 63952-1 directly replace the S526-46 in existing assemblies?

A: Yes. The 63952-1 provides direct mechanical and electrical compatibility. Both parts feature identical 0.250" tab width, male gender, solder termination, and right-angle through-hole mounting. The 0.01mm tab thickness difference is within manufacturing tolerances and does not affect connector performance.

Q: What is the significance of the "Terminal Type" difference (Angled - 90° vs. Standard)?

A: Both parts are configured for right-angle mounting to PCBs. The terminology difference reflects manufacturer classification conventions but does not indicate functional divergence. Both parts integrate identically in through-hole, right-angle applications.

Q: Are there packaging considerations when sourcing the 63952-1?

A: The 63952-1 is available in Cut Tape (CT) packaging. Verify packaging format compatibility with your procurement and assembly processes. The base product number is 63952, which may be available in alternative packaging configurations from TE Connectivity.

Q: Do both parts meet current regulatory requirements?

A: Yes. The S526-46 is ROHS3 Compliant, and the 63952-1 is RoHS Compliant. Both meet current environmental and regulatory standards for component use in new designs and replacements.

Q: What is the MSL rating, and why is it relevant?

A: Both parts carry MSL Rating 1 (Unlimited), indicating no moisture sensitivity limitations. These components can be stored and handled under standard conditions without special moisture control measures, simplifying inventory management and assembly logistics.

Q: Are there any electrical performance differences between the two parts?

A: No. Both parts use brass contact material with tin finish, providing equivalent electrical conductivity, contact resistance, and corrosion resistance. Electrical performance is functionally identical.