TE Connectivity AMP Connectors 177983-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 177983-4 is a 100 Position Connector Receptacle with outer shroud contacts designed for surface mount applications. This rectangular connector features gold-plated contacts and is part of the Free Height (FH) series. The part is currently classified as obsolete, which necessitates identification of active equivalent alternatives to maintain design continuity and ensure ongoing component availability for production and repair applications.

Substiute Parts

177983-4

TE Connectivity AMP ConnectorsIn Stock: 1055177983-4 Datasheet

Current PartRFQ

5177983-4

TE Connectivity AMP ConnectorsIn Stock: 327045177983-4 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 177983-4 is based on strict electrical and mechanical parameter matching within the rectangular connector category. The substitute part 5177983-4 maintains identical specifications across all critical parameters that determine functional compatibility:

Key Parameters for Substitution Eligibility:

• Connector Type: Receptacle, Outer Shroud Contacts
• Number of Positions: 100
• Pitch: 0.031" (0.80mm)
• Number of Rows: 2
• Mounting Type: Surface Mount
• Contact Finish: Gold with 8.00µin thickness
• Height Above Board: 0.148" (3.75mm)
• Mated Stacking Heights: 5mm, 6mm, 7mm, 8mm
• Features: Board Guide
• Series: Free Height (FH)
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part differs only in product status (active versus obsolete), packaging format (tube versus unspecified), RoHS compliance status, and inventory availability. These differences do not affect electrical or mechanical interchangeability.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity AMP Connectors 5177983-4 is the direct parametric equivalent for the obsolete 177983-4. Selection of the substitute part is based on the following engineering criteria:

Product Status: The 177983-4 is classified as obsolete, indicating discontinued manufacturing and limited availability. The 5177983-4 maintains active product status with significantly higher inventory availability (32,595 pieces versus 1,017 pieces), ensuring reliable supply chain continuity.

Compliance and Certifications: The substitute part 5177983-4 is RoHS Compliant, whereas the original part is RoHS non-compliant. This compliance upgrade aligns with current regulatory requirements for electronic components in many jurisdictions. Both parts share identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications, indicating equivalent export and tariff treatment.

Electrical and Mechanical Compatibility: All functional parameters are identical between the two parts, including connector type, position count, pitch, mounting configuration, contact finish specifications, and dimensional characteristics. This ensures direct interchangeability in existing designs without circuit or layout modifications.

Packaging: The substitute part is supplied in tube packaging, which may differ from the original part's packaging format. Packaging differences do not affect component functionality or performance.

Frequently Asked Questions (FAQ)

Q: Can the 5177983-4 be used as a direct replacement for the 177983-4 in existing designs?

A: Yes. The 5177983-4 is electrically and mechanically identical to the 177983-4 across all functional parameters. The connector type, position count, pitch, mounting type, contact finish, and dimensional specifications are identical, enabling direct substitution without design modifications.

Q: What is the primary reason for substituting the 177983-4?

A: The 177983-4 is classified as obsolete with limited inventory availability. The 5177983-4 is an active product with substantially higher stock levels, ensuring continued component availability for production and repair applications.

Q: Does the RoHS compliance difference between the two parts affect compatibility?

A: No. RoHS compliance status does not affect electrical or mechanical interchangeability. The 5177983-4's RoHS Compliant status represents an improvement that aligns with current regulatory standards, while maintaining full functional compatibility with the original design.

Q: Are there any dimensional or pitch differences between these parts?

A: No. Both parts feature identical pitch (0.031" or 0.80mm), height above board (0.148" or 3.75mm), and mated stacking heights (5mm, 6mm, 7mm, 8mm). The parts are dimensionally interchangeable.

Q: What is the difference in packaging between the two parts?

A: The 5177983-4 is supplied in tube packaging. Packaging format does not affect component performance or electrical characteristics. Tube packaging is a standard distribution format for surface mount connectors.

Q: Are the contact finish specifications identical?

A: Yes. Both parts feature gold contact finish with identical thickness of 8.00µin (0.203µm), ensuring equivalent electrical performance and reliability.

Q: Do both parts have the same moisture sensitivity level?

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