FX2-40P-0.635SH Equivalent & Substitute Parts

Part Overview

The FX2-40P-0.635SH is a 40-position plug connector manufactured by Hirose Electric Co Ltd, designed for surface mount, right-angle solder termination applications. This connector features center strip contacts with gold-plated finishes and operates with unlimited moisture sensitivity rating (MSL 1).

The main part is classified as obsolete, which necessitates identification of active equivalent alternatives to ensure continued component availability for new designs and production support. The substitute part maintains identical electrical and mechanical specifications while offering improved product status and compliance characteristics.

Substiute Parts

FX2-40P-0.635SH

Hirose Electric Co LtdIn Stock: 1007FX2-40P-0.635SH Datasheet

Current PartRFQ

FX2-40P-0.635SH(71)

Hirose Electric Co LtdIn Stock: 3952FX2-40P-0.635SH(71) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FX2-40P-0.635SH is determined by strict equivalence across the following parameters:

• Number of positions: 40
• Number of rows: 2
• Connector type: Plug
• Connector style: Center Strip Contacts
• Mounting configuration: Surface Mount, Right Angle
• Termination method: Solder
• Contact finish: Gold
• Moisture sensitivity level: 1 (Unlimited)
• Series designation: FX2

The substitute part FX2-40P-0.635SH(71) satisfies all these criteria and is therefore a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The FX2-40P-0.635SH(71) is the direct substitute for the obsolete FX2-40P-0.635SH. Both parts are electrically and mechanically identical across all specified parameters. The substitute part offers two significant advantages:

1. Active product status ensures ongoing availability and manufacturing support
2. RoHS compliance of the substitute part meets current regulatory requirements, whereas the main part is RoHS non-compliant

For new designs and production applications, FX2-40P-0.635SH(71) is the appropriate selection. For legacy system maintenance where the original part specification must be preserved, the main part remains available in current inventory (970 pcs).

Frequently Asked Questions (FAQ)

Q: Are FX2-40P-0.635SH and FX2-40P-0.635SH(71) electrically interchangeable?

A: Yes. Both parts are identical in electrical specifications, including position count (40), row configuration (2), contact finish (gold), and termination method (solder).

Q: What does the "(71)" designation indicate?

A: The "(71)" suffix identifies the packaging variant. FX2-40P-0.635SH(71) is supplied in tray packaging, whereas the main part packaging is not specified.

Q: Why is the main part listed as obsolete?

A: Product obsolescence is determined by the manufacturer. The substitute part FX2-40P-0.635SH(71) maintains full functional equivalence while offering active product status.

Q: Does RoHS compliance affect mechanical compatibility?

A: No. RoHS compliance relates to material composition and does not alter mechanical dimensions, mounting configuration, or connector interface specifications. Both parts are mechanically identical.

Q: Can I use FX2-40P-0.635SH(71) as a direct replacement in existing assemblies?

A: Yes. The substitute part is mechanically and electrically equivalent and will function identically in applications designed for the original FX2-40P-0.635SH.

Q: What is the moisture sensitivity level, and does it differ between parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.