Amphenol ICC 51915-021 Backplane Connector Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 51915-021 is a 3-position receptacle connector with female blade sockets designed for board edge, through-hole, right-angle mounting in power distribution applications. This connector is part of the PwrBlade® series and features gold-plated contacts with UL94 V-0 flammability rating.

The 51915-021 carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support legacy system maintenance where this connector type is specified.

Substiute Parts

51915-021

Amphenol ICC (FCI)In Stock: 85151915-021 Datasheet

Current PartRFQ

51915-021LF

Amphenol ICC (FCI)In Stock: 93251915-021LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 51915-021 is determined by strict equivalence across the following critical parameters:

• Connector type and style (Receptacle, Female Blade Sockets, Blade Power)
• Number of positions (3)
• Mounting configuration (Board Edge, Through Hole, Right Angle)
• Termination method (Solder)
• Contact finish specification (Gold or Gold, GXT™ at 30.0µin thickness)
• Flammability rating (UL94 V-0)
• Operating temperature range (-20°C to 105°C)
• Series designation (PwrBlade®)

The substitute part 51915-021LF meets all these criteria and is therefore electrically and mechanically interchangeable with the main part number.

Parameter Comparison

Engineering Selection Recommendations

The 51915-021LF is the direct substitute for the obsolete 51915-021. Both parts are electrically and mechanically identical across all specified parameters. The primary differences are product status and regulatory compliance:

The 51915-021LF carries active product status, ensuring ongoing manufacturer support and availability. The 51915-021LF is RoHS compliant, whereas the 51915-021 is RoHS non-compliant. For new designs or systems requiring regulatory compliance with RoHS directives, the 51915-021LF is the appropriate selection. For legacy system maintenance where RoHS compliance is not a requirement, either part may be used based on availability.

The 51915-021LF is supplied in tray packaging, whereas the 51915-021 is supplied in bulk packaging. Packaging selection should be based on procurement and assembly process requirements.

Frequently Asked Questions (FAQ)

Q: Are the 51915-021 and 51915-021LF mechanically interchangeable?

A: Yes. Both parts share identical mounting type (board edge, through-hole, right-angle), connector geometry, and contact layout. They are direct mechanical substitutes.

Q: Are the 51915-021 and 51915-021LF electrically interchangeable?

A: Yes. Both parts have identical contact finish (gold or gold, GXT™ at 30.0µin thickness), operating temperature range (-20°C to 105°C), flammability rating (UL94 V-0), and electrical specifications. They are direct electrical substitutes.

Q: What is the difference between the 51915-021 and 51915-021LF?

A: The primary differences are product status (obsolete vs. active), RoHS compliance status (non-compliant vs. compliant), and packaging format (bulk vs. tray). All electrical and mechanical specifications are identical.

Q: Can I use the 51915-021LF in a design originally specified for the 51915-021?

A: Yes. The 51915-021LF is a direct substitute and can be used in any application where the 51915-021 was specified, provided that RoHS compliance requirements are met or not applicable.

Q: Why should I choose the 51915-021LF over the 51915-021?

A: The 51915-021LF has active product status, ensuring continued availability and manufacturer support. It is also RoHS compliant, meeting current regulatory requirements. The 51915-021 is obsolete and may face supply constraints.

Q: Does packaging format affect electrical or mechanical performance?

A: No. Packaging format (bulk vs. tray) affects only procurement, storage, and assembly handling. It does not affect electrical or mechanical performance of the connector itself.