FX8C-120P-SV6(21) Equivalent & Substitute Parts

Part Overview

The FX8C-120P-SV6(21) is a 120-position rectangular connector header manufactured by Hirose Electric Co Ltd, part of the FunctionMax™ FX8C series. This surface mount connector features outer shroud contacts with gold plating and is designed for applications requiring high-density interconnection on printed circuit boards.

The FX8C-120P-SV6(21) carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this connector.

Substiute Parts

FX8C-120P-SV6(21)

Hirose Electric Co LtdIn Stock: 934FX8C-120P-SV6(21) Datasheet

Current PartRFQ

FX8C-120P-SV6(91)

Hirose Electric Co LtdIn Stock: 3049FX8C-120P-SV6(91) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FX8C-120P-SV6(21) is determined by strict equivalence across the following critical parameters:

• Identical position count (120 positions)
• Matching pitch specification (0.024" / 0.60mm)
• Identical row configuration (2 rows)
• Same connector type (Header, Outer Shroud Contacts)
• Matching mounting technology (Surface Mount)
• Equivalent contact finish (Gold)
• Identical height above board (0.427" / 10.85mm)
• Same base product number (FX8C)

The FX8C-120P-SV6(91) meets all substitution criteria as a direct equivalent within the FunctionMax™ FX8C series, differing only in packaging format and product lifecycle status.

Parameter Comparison

Engineering Selection Recommendations

The FX8C-120P-SV6(91) is the direct functional equivalent to the FX8C-120P-SV6(21). Both parts share identical electrical and mechanical specifications, ensuring pin-for-pin and footprint compatibility.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The FX8C-120P-SV6(21) is obsolete, while the FX8C-120P-SV6(91) maintains active product status. Additionally, the FX8C-120P-SV6(91) is ROHS3 compliant, whereas the FX8C-120P-SV6(21) is RoHS non-compliant. For new designs or applications subject to RoHS requirements, the FX8C-120P-SV6(91) is the appropriate selection. For legacy system support or maintenance applications where RoHS compliance is not mandated, either part provides equivalent performance.

Frequently Asked Questions (FAQ)

Q: Are FX8C-120P-SV6(21) and FX8C-120P-SV6(91) electrically interchangeable?

A: Yes. Both parts are electrically identical, featuring 120 positions, 0.024" pitch, 2-row configuration, gold contact finish, and identical height specifications. They are direct functional equivalents.

Q: What is the difference between these two part numbers?

A: The primary differences are packaging format and product status. FX8C-120P-SV6(21) is supplied in standard packaging and is obsolete. FX8C-120P-SV6(91) is supplied in tube packaging and maintains active product status. Additionally, FX8C-120P-SV6(91) is ROHS3 compliant while FX8C-120P-SV6(21) is not.

Q: Can I use FX8C-120P-SV6(91) as a replacement for FX8C-120P-SV6(21) in existing designs?

A: Yes. The FX8C-120P-SV6(91) provides identical mechanical and electrical performance. PCB footprints and mating interfaces are fully compatible. No design modifications are required.

Q: Which part should I specify for new designs?

A: Specify FX8C-120P-SV6(91). This part is active, ROHS3 compliant, and ensures long-term supply availability and regulatory alignment.

Q: Are there any height or mounting differences between these parts?

A: No. Both parts have identical height above board (0.427" / 10.85mm), mated stacking heights (11mm, 16mm), and surface mount mounting specifications.