Equivalent & Substitute Parts for 53612-G40-7

Part Overview

The 53612-G40-7 is a rectangular connector header manufactured by Amphenol ICC (FCI) in the Quickie™ series. This through-hole mounted connector features 40 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing, designed for board-to-cable/wire applications. The part is classified as obsolete, making identification of active equivalent components essential for ongoing design support and procurement continuity.

Substiute Parts

53612-G40-7

Amphenol ICC (FCI)In Stock: 78353612-G40-7 Datasheet

Current PartRFQ

1-1761685-3

TE Connectivity AMP ConnectorsIn Stock: 11781-1761685-3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 53612-G40-7 is based on electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility:

• Connector type (Header)
• Contact type (Male Pin)
• Number of positions (40)
• Number of rows (2)
• Pitch spacing (0.100" / 2.54mm)
• Row spacing (0.100" / 2.54mm)

Mechanical Compatibility:

• Mounting type (Through Hole)
• Shrouding configuration (Shrouded - 4 Wall)
• Termination method (Solder)
• Fastening mechanism (Latch Lock/Eject Hooks)
• Contact shape (Square)
• Contact material (Phosphor Bronze)
• Flammability rating (UL94 V-0)

The substitute part 1-1761685-3 from TE Connectivity AMP Connectors meets all critical electrical and mechanical parameters, with the primary distinction being its active product status and enhanced compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The 1-1761685-3 from TE Connectivity AMP Connectors is the qualified substitute for the obsolete 53612-G40-7. Selection is based on the following engineering criteria:

Functional Equivalence: Both connectors maintain identical electrical and mechanical specifications for the 40-position, 2-row, 0.100" pitch configuration. Pin-to-pin compatibility is preserved through matching contact geometry, material composition, and termination method.

Product Status: The substitute part maintains active product status with established supply chain availability, eliminating procurement risk associated with the obsolete original part.

Compliance Enhancement: The 1-1761685-3 achieves ROHS3 compliance, addressing regulatory requirements that may not have been applicable at the time of the original part's design. The original part's RoHS non-compliant status may present restrictions in certain applications or markets.

Insulation Material Upgrade: The substitute employs Polybutylene Terephthalate (PBT) insulation in place of generic thermoplastic, providing improved thermal and chemical resistance characteristics.

Electrical Performance Data: The substitute part provides specified operating temperature range (-65°C ~ 105°C), current rating (1A per contact), and voltage rating (250VAC), enabling complete electrical design verification.

Frequently Asked Questions (FAQ)

Q: Are the 53612-G40-7 and 1-1761685-3 pin-compatible?

A: Yes. Both connectors feature identical 40-position, 2-row configurations with 0.100" (2.54mm) pitch spacing and matching contact geometry. Through-hole mounting and solder termination are identical, ensuring direct PCB footprint compatibility.

Q: What are the key differences between these connectors?

A: Primary differences include product status (obsolete vs. active), insulation material (thermoplastic vs. PBT), contact finish on posts (tin-lead vs. tin), and compliance certifications (RoHS non-compliant vs. ROHS3 compliant). The substitute provides specified electrical performance parameters absent from the original part documentation.

Q: Can the 1-1761685-3 be used as a direct replacement in existing designs?

A: Yes, for new production and redesign activities. The electrical and mechanical specifications are equivalent. Designs originally specified for the 53612-G40-7 can transition to the 1-1761685-3 without PCB layout modifications.

Q: What is the significance of the insulation material change from thermoplastic to PBT?

A: PBT (Polybutylene Terephthalate) provides superior thermal stability, chemical resistance, and dimensional consistency compared to generic thermoplastic. This material upgrade enhances long-term reliability and environmental performance.

Q: Does the substitute part meet current regulatory requirements?

A: Yes. The 1-1761685-3 is ROHS3 compliant, meeting current European Union and equivalent regulatory standards. The original 53612-G40-7 is RoHS non-compliant, which may restrict its use in regulated markets.

Q: Are there packaging differences between these parts?

A: The original part packaging information is not specified. The substitute is supplied in bulk packaging. Confirm packaging requirements with your procurement specifications.

Q: What is the operating temperature range for the substitute?

A: The 1-1761685-3 operates across -65°C to 105°C, providing a wide thermal envelope suitable for industrial and commercial applications. The original part's operating temperature range is not documented.