Amphenol ICC 51897-005 Backplane Connector Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 51897-005 is a 31-position receptacle connector featuring female sockets and blade sockets for through-hole mounting on printed circuit boards. This connector is part of the PwrBlade® series and combines 24 signal contacts with 7 power contacts in a blade power configuration. The part is currently listed as obsolete, making identification of suitable alternatives necessary for ongoing system support and new design implementations.

Substiute Parts

51897-005
Amphenol ICC (FCI)In Stock: 75751897-005 Datasheet
51897-005
Current Part
51897-005LF
Amphenol ICC (FCI)In Stock: 104351897-005LF Datasheet
51897-005LF
Direct

Key Parameters

Parameter Value
Manufacturer Part Number 51897-005
Manufacturer Amphenol ICC (FCI)
Series PwrBlade®
Connector Type Receptacle, Female Sockets and Blade Sockets
Number of Positions 31
Pitch 0.100" (2.54mm)
Number of Rows 4
Contact Layout 24 Signal, 7 Power
Mounting Type Through Hole
Termination Press-Fit, Quick Connect
Operating Temperature Range -20°C to 105°C
Material Flammability Rating UL94 V-0
Contact Finish Gold or Gold, GXT™
Contact Finish Thickness 30.0µin (0.76µm)
Color Black
Features Board Lock, Guide Pin

Substitute Part Grouping Explanation

Substitution eligibility for the 51897-005 is determined by strict equivalence across the following critical parameters:

  • Connector type: Receptacle with female sockets and blade sockets
  • Number of positions: 31
  • Pitch: 0.100" (2.54mm)
  • Number of rows: 4
  • Contact layout: 24 signal, 7 power
  • Mounting type: Through hole
  • Termination method: Press-fit, quick connect
  • Operating temperature range: -20°C to 105°C
  • Material flammability rating: UL94 V-0
  • Contact finish: Gold or Gold, GXT™
  • Contact finish thickness: 30.0µin (0.76µm)
  • Color: Black
  • Features: Board lock, guide pin

The substitute part 51897-005LF meets all these criteria and is classified as a direct equivalent within the PwrBlade® series.

Parameter Comparison

Parameter 51897-005 51897-005LF
Manufacturer Part Number 51897-005 51897-005LF
Manufacturer Amphenol ICC (FCI) Amphenol ICC (FCI)
Series PwrBlade® PwrBlade®
Connector Type Receptacle, Female Sockets and Blade Sockets Receptacle, Female Sockets and Blade Sockets
Number of Positions 31 31
Pitch 0.100" (2.54mm) 0.100" (2.54mm)
Number of Rows 4 4
Contact Layout 24 Signal, 7 Power 24 Signal, 7 Power
Mounting Type Through Hole Through Hole
Termination Press-Fit, Quick Connect Press-Fit, Quick Connect
Operating Temperature Range -20°C to 105°C -20°C to 105°C
Material Flammability Rating UL94 V-0 UL94 V-0
Contact Finish Gold or Gold, GXT™ Gold or Gold, GXT™
Contact Finish Thickness 30.0µin (0.76µm) 30.0µin (0.76µm)
Color Black Black
Features Board Lock, Guide Pin Board Lock, Guide Pin
Product Status Obsolete Active
RoHS Status RoHS non-compliant RoHS Compliant
Packaging Bulk Tray

Engineering Selection Recommendations

The 51897-005LF is the direct functional equivalent of the 51897-005 and is suitable for replacement in all applications requiring a 31-position PwrBlade® receptacle connector with the specified electrical and mechanical characteristics.

The 51897-005LF offers the following advantages for new designs and ongoing support:

  • Active product status ensures continued availability and manufacturer support
  • RoHS compliance meets current environmental and regulatory requirements
  • Tray packaging provides improved handling and inventory management compared to bulk packaging
  • Identical electrical and mechanical specifications ensure drop-in compatibility

The 51897-005 should be phased out in favor of the 51897-005LF for all new applications and system revisions.

Frequently Asked Questions (FAQ)

Q: Can the 51897-005LF be used as a direct replacement for the 51897-005?

A: Yes. The 51897-005LF is electrically and mechanically equivalent to the 51897-005. All connector specifications, including position count, pitch, contact layout, mounting type, and operating temperature range, are identical.

Q: What is the difference between the 51897-005 and 51897-005LF?

A: The primary differences are product status, RoHS compliance, and packaging. The 51897-005LF is an active product with RoHS compliance and is supplied in tray packaging, while the 51897-005 is obsolete, RoHS non-compliant, and supplied in bulk packaging.

Q: Are there any compatibility concerns when switching from 51897-005 to 51897-005LF?

A: No compatibility concerns exist. Both parts are PwrBlade® series connectors with identical pin configurations, contact finishes, and mechanical interfaces.

Q: What packaging options are available for the 51897-005LF?

A: The 51897-005LF is supplied in tray packaging. The original 51897-005 was supplied in bulk packaging.

Q: Does the 51897-005LF meet RoHS requirements?

A: Yes. The 51897-005LF is RoHS compliant. The original 51897-005 is RoHS non-compliant.

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