Amphenol ICC 85838-166 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 85838-166 is a 30-position backplane connector header with male pins designed for through-hole PCB mounting. This component is part of the Metral® series and features press-fit termination with gold-plated contacts. The part is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Substiute Parts

85838-166

Amphenol ICC (FCI)In Stock: 75485838-166 Datasheet

Current PartRFQ

5223011-1

TE Connectivity AMP ConnectorsIn Stock: 11425223011-1 Datasheet

MFR RecommendedRFQ

MP2-H030-51P1-S-KR

3MIn Stock: 821MP2-H030-51P1-S-KR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 85838-166 is determined by strict alignment of the following critical parameters:

• Number of Positions: 30 positions (fixed requirement)
• Pitch: 0.079" (2.00mm) (fixed requirement)
• Number of Rows: 5 rows (fixed requirement)
• Connector Type: Header, Male Pins (fixed requirement)
• Mounting Type: Through Hole (fixed requirement)
• Termination: Press-Fit (fixed requirement)
• Contact Finish: Gold (fixed requirement)
• Operating Temperature Range: -55°C ~ 125°C (fixed requirement)
• Material Flammability Rating: UL94 V-0 (fixed requirement)

The identified substitute parts meet all critical dimensional and electrical parameters. Variations in connector style (Futurebus vs. Futurebus+®), color, current rating, and compliance status are secondary considerations that do not affect mechanical or electrical interchangeability for the core connector function.

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts satisfy the core mechanical and electrical requirements for direct replacement of the 85838-166.

TE Connectivity 5223011-1 is the manufacturer-recommended substitute. This part maintains full compatibility across all critical parameters and achieves ROHS3 compliance, addressing regulatory requirements that the original obsolete part does not meet. The Z-PACK series designation indicates active production status with established supply chain availability.

3M MP2-H030-51P1-S-KR provides an alternative from the MetPak™ MP2 series. This part exceeds the original current rating specification (1.5A vs. 1A) and includes integrated board guide and mating guide features. RoHS compliance is confirmed. The beige color differs from the natural color of the original part but does not affect electrical function.

Selection between these substitutes should be based on system-level requirements including regulatory compliance mandates, supply chain preferences, and any mechanical constraints imposed by guide features or color specifications.

Frequently Asked Questions (FAQ)

Q: Can the 85838-166 be directly replaced with either substitute part?

A: Yes. Both the TE Connectivity 5223011-1 and 3M MP2-H030-51P1-S-KR meet all critical parameters: 30 positions, 0.079" (2.00mm) pitch, 5-row configuration, through-hole mounting, press-fit termination, gold contact finish, and -55°C to 125°C operating range. Mechanical and electrical interchangeability is confirmed.

Q: What is the primary difference between the two substitute options?

A: The TE Connectivity 5223011-1 maintains the closest specification alignment to the original part. The 3M MP2-H030-51P1-S-KR offers higher current rating (1.5A vs. 1A) and includes integrated board and mating guides. Both are active production parts with RoHS compliance.

Q: Does the color difference between the original (natural) and the 3M substitute (beige) affect compatibility?

A: Color is a cosmetic parameter that does not affect electrical or mechanical function. Selection based on color should be driven by system-level requirements or assembly process constraints only.

Q: Why is the original 85838-166 listed as obsolete?

A: Obsolescence typically reflects manufacturer discontinuation decisions. The availability of active production substitutes ensures continued system support without functional compromise.

Q: Are there compliance considerations when substituting the 85838-166?

A: The original part is RoHS non-compliant. Both substitute parts achieve RoHS compliance (ROHS3 for TE Connectivity, RoHS for 3M). Systems subject to RoHS regulatory requirements should prioritize these compliant alternatives.

Q: What is the significance of the contact finish thickness specification?

A: Contact finish thickness (30.0µin / 0.76µm) determines durability and wear resistance during mating cycles. The 3M substitute matches this specification exactly. The TE Connectivity part does not specify this parameter; verification with the manufacturer is recommended if contact durability is a critical design parameter.