3M 3432-3305 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 3432-3305 is a through-hole, right-angle rectangular connector header with 40 positions at 2.54mm pitch. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement. The 3432-3305 features shrouded 4-wall construction with wire wrap termination and latch lock/eject fastening, designed for board-to-board or cable interconnection applications requiring 1A current capacity per contact.

Substiute Parts

3432-3305

3MIn Stock: 8563432-3305 Datasheet

Current PartRFQ

3432-5605

3MIn Stock: 9943432-5605 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 3M 3432-3305 is determined by strict equivalence across the following critical parameters:

• Connector type, contact type, and gender (Header, Male Pin)
• Position count and row configuration (40 positions, 2 rows)
• Mating pitch and row spacing (0.100" / 2.54mm)
• Mounting style and orientation (Through Hole, Right Angle)
• Shrouding configuration (Shrouded - 4 Wall)
• Termination method (Wire Wrap)
• Fastening mechanism (Latch Lock/Eject Hooks, Long)
• Contact material and finish specifications (Copper Alloy, Gold plated)
• Insulation material composition (PCT, Polyester, Glass Filled)
• Electrical ratings (1A current capacity)
• Environmental specifications (Operating temperature -55°C ~ 105°C, UL94 V-0)

The primary substitute identified is the 3M 3432-5605, which maintains full electrical and mechanical compatibility with the obsolete 3432-3305 while offering active product status and RoHS compliance.

Parameter Comparison

Engineering Selection Recommendations

The 3M 3432-5605 is the direct active equivalent for the obsolete 3432-3305. Both components share identical electrical and mechanical specifications across all critical parameters including connector geometry, contact configuration, termination method, and environmental ratings.

The 3432-5605 offers the advantage of active product status, ensuring ongoing availability and manufacturing support. Additionally, the 3432-5605 carries RoHS compliance certification, meeting current regulatory requirements for electronic component procurement in many jurisdictions.

For applications currently using the 3432-3305, direct substitution with the 3432-5605 requires no design modifications. The components are mechanically and electrically interchangeable, with identical mating interfaces, contact spacing, and performance characteristics across the specified operating temperature range of -55°C to 105°C.

Frequently Asked Questions (FAQ)

Q: Can the 3432-5605 directly replace the 3432-3305 without PCB modifications?

A: Yes. The 3432-5605 maintains identical mechanical dimensions, mounting hole patterns, contact spacing, and electrical ratings. No PCB layout changes are required for direct substitution.

Q: What is the key difference between these two parts?

A: The primary difference is product status. The 3432-3305 is obsolete, while the 3432-5605 is active. The 3432-5605 also carries RoHS compliance certification. All electrical and mechanical specifications are equivalent.

Q: Are the mating connectors compatible between 3432-3305 and 3432-5605?

A: Yes. Both headers feature identical 40-position, 2-row configuration with 0.100" (2.54mm) pitch and row spacing. Mating connectors designed for the 3432-3305 will mate with the 3432-5605 without modification.

Q: What is the wire wrap termination specification for the 3432-5605?

A: The 3432-5605 uses wire wrap termination with post length of 0.610" (15.49mm) and contact length of 0.240" (6.10mm), identical to the 3432-3305.

Q: Does the 3432-5605 meet the same environmental specifications as the 3432-3305?

A: Yes. Both components operate across -55°C to 105°C temperature range, carry UL94 V-0 flammability rating, and feature identical insulation material composition (PCT, Polyester, Glass Filled).

Q: What is the current rating for the 3432-5605?

A: The 3432-5605 is rated for 1A per contact, matching the 3432-3305 specification.