66432-134LF Equivalent & Substitute Parts

Part Overview

The 66432-134LF is a 34-position rectangular receptacle connector manufactured by Amphenol ICC (FCI) from the Quickie™ series. This IDC connector is designed for ribbon cable termination with 28-30 AWG wire gauge and features gold or gold GXT™ contact finish. The part is currently obsolete, making identification of active equivalent components essential for ongoing system support and procurement.

Substiute Parts

66432-134LF

Amphenol ICC (FCI)In Stock: 112866432-134LF Datasheet

Current PartRFQ

71600-034LF

Amphenol ICC (FCI)In Stock: 195271600-034LF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 66432-134LF is based on electrical and mechanical compatibility within the Quickie™ series rectangular connector family. The substitute part 71600-034LF maintains all critical parameters that determine functional interchangeability:

• Identical connector type (receptacle) and contact configuration (female socket)
• Matching position count (34) and pitch spacing (0.100"/2.54mm)
• Identical row configuration (2 rows at 0.100" spacing)
• Same cable termination method (IDC) and wire gauge range (28-30 AWG)
• Equivalent contact finish specification (gold)
• Identical feature set (feed through, polarizing key, strain relief)
• Same mounting type (free hanging in-line)

The primary distinction is product status: 66432-134LF is obsolete while 71600-034LF is active, with improved availability and RoHS compliance.

Parameter Comparison

Engineering Selection Recommendations

The 71600-034LF is the direct active equivalent for the obsolete 66432-134LF. Selection of the substitute part is supported by:

• Identical electrical and mechanical specifications across all functional parameters
• Active product status with established supply chain and manufacturing continuity
• RoHS compliance certification, meeting current regulatory requirements
• Equivalent reliability classification (MSL 1, unlimited moisture sensitivity)
• Same export control classification (EAR99) and tariff coding (HTSUS 8536.69.4051)

The 71600-034LF is suitable for direct replacement in applications currently using the 66432-134LF without design modification or re-qualification.

Frequently Asked Questions (FAQ)

Q: Can 71600-034LF directly replace 66432-134LF in existing designs?

A: Yes. Both parts are identical in connector type, position count, pitch, row configuration, cable termination method, wire gauge, contact type, and feature set. The 71600-034LF is the active equivalent manufactured by the same supplier.

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

A: The 66432-134LF is obsolete; the 71600-034LF is active. The 71600-034LF includes RoHS compliance certification. Both maintain identical electrical and mechanical specifications.

Q: Are there packaging differences between these parts?

A: The 66432-134LF packaging is not specified in available data. The 71600-034LF is supplied in tube packaging. Confirm packaging requirements with your procurement specification.

Q: Do these connectors have the same contact finish?

A: Both parts specify gold contact finish at 30.0µin (0.76µm) thickness. The 66432-134LF lists "Gold or Gold GXT™" while the 71600-034LF specifies "Gold." The contact finish thickness is identical.

Q: Are moisture sensitivity levels equivalent?

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

Q: Can I use these connectors with different wire gauges?

A: Both connectors are specified for 28-30 AWG ribbon cable only. Wire gauge is a fixed parameter for these IDC connectors and cannot be varied.