D37P91C4GL00LF Equivalent & Substitute Parts

Part Overview

The D37P91C4GL00LF is a 37-position D-Sub plug connector with male pins, manufactured by Amphenol ICC (FCI) in the Delta D series. This through-hole mounted connector features press-fit termination and is designed for signal applications requiring robust mechanical and electrical performance. The part is currently active in production with 1107 units available in inventory. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to supply constraints, design flexibility, or inventory availability.

Substiute Parts

D37P91C4GL00LF

Amphenol ICC (FCI)In Stock: 1118D37P91C4GL00LF Datasheet

Current PartRFQ

5788458-1

TE Connectivity AMP ConnectorsIn Stock: 7805788458-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the D37P91C4GL00LF is based on strict equivalence of the following critical parameters:

• Connector Configuration: 37-position D-Sub plug with male pins in 2-row layout, shell size 4 (DC, C)
• Mounting and Termination: Through-hole mounting with press-fit termination
• Electrical Performance: Signal contact type with compatible voltage and current ratings
• Environmental Compliance: UL94 V-0 flammability rating, RoHS compliance, and MSL 1 rating
• Physical Interface: D-Sub connector style with housing/shell flange feature and black color

The substitute part 5788458-1 (TE Connectivity AMP Connectors, AMPLIMITE HD-20 series) meets these core substitution criteria through equivalent mechanical configuration, termination method, and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Both the D37P91C4GL00LF and 5788458-1 are active production parts with equivalent mechanical and electrical specifications for 37-position D-Sub plug applications. Selection between these parts should be based on:

• Supply Availability: D37P91C4GL00LF has 1107 units in stock; 5788458-1 has 709 units available
• Compliance Certifications: Both parts meet UL94 V-0 flammability requirements and MSL 1 moisture sensitivity ratings. The D37P91C4GL00LF carries RoHS compliance; 5788458-1 carries ROHS3 compliance
• Shell Finish Specification: D37P91C4GL00LF features tin-nickel plating; 5788458-1 features tin plating. Both finishes are suitable for signal applications with equivalent corrosion resistance in standard operating environments
• Packaging Format: D37P91C4GL00LF is supplied in trays; 5788458-1 is supplied in bulk. Packaging selection depends on assembly process requirements

Frequently Asked Questions (FAQ)

Q: Can 5788458-1 be used as a direct replacement for D37P91C4GL00LF in existing designs?

A: Yes. Both connectors share identical mechanical configuration (37-position, 2-row, shell size 4), mounting method (through-hole), and termination type (press-fit). The connectors are physically and electrically interchangeable for signal applications within the specified voltage (300V) and current (5A per contact) ratings.

Q: What is the difference between tin-nickel and tin plating on the shell?

A: Both finishes provide corrosion protection suitable for standard operating environments. Tin-nickel plating (D37P91C4GL00LF) offers enhanced corrosion resistance in harsh environments; tin plating (5788458-1) is standard for general industrial applications. Selection depends on environmental exposure requirements.

Q: Are both parts RoHS compliant?

A: Yes. D37P91C4GL00LF is RoHS compliant; 5788458-1 is ROHS3 compliant. Both meet current RoHS directives and are suitable for applications requiring lead-free component certification.

Q: What is the significance of MSL 1 rating for both parts?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture control requirements. Both connectors can be stored and handled under standard conditions without desiccant packaging or special environmental controls.

Q: Does packaging format affect connector performance?

A: No. Tray packaging (D37P91C4GL00LF) and bulk packaging (5788458-1) do not affect electrical or mechanical performance. Packaging selection is based on assembly process requirements and inventory management practices.

Q: Are the contact materials compatible between the two parts?

A: D37P91C4GL00LF uses phosphor bronze contacts; 5788458-1 uses copper alloy contacts. Both materials provide equivalent electrical conductivity and mechanical durability for signal applications. Contact material differences do not affect interchangeability for standard applications.