TE Connectivity AMP Connectors 1877846-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 1877846-1 is a 6-position circular connector plug with male pins and solder cup termination, designed for medical applications. This connector is part of the Medical CPC series and maintains active product status with 738 units in current inventory. The connector features gold-plated mating contacts, thermoplastic shell construction, and operates across a temperature range of -50°C to 170°C with a current rating of 6A at 300VAC.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct functional replacement in applications where the core performance characteristics remain constant.

Substiute Parts

1877846-1

TE Connectivity AMP ConnectorsIn Stock: 8451877846-1 Datasheet

Current PartRFQ

EN3C6MX

Switchcraft Inc.In Stock: 2741EN3C6MX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1877846-1 are identified based on alignment of critical electrical and mechanical parameters. The substitution logic requires matching the following core specifications:

• Connector Configuration: 6-position plug with male pins and solder cup termination
• Contact Material and Finish: Copper alloy with gold plating on mating surfaces
• Electrical Performance: Current and voltage ratings sufficient for the application
• Shell Construction: Thermoplastic material for structural integrity
• Compliance Status: RoHS compliance for regulatory alignment
• Mounting Type: Free hanging in-line configuration

The Switchcraft Inc. EN3C6MX meets these core substitution criteria as a 6-position circular connector plug with male pins, solder cup termination, gold-plated copper alloy contacts, and thermoplastic shell construction. Both parts maintain RoHS compliance and unlimited moisture sensitivity level (MSL 1).

Parameter Comparison

Engineering Selection Recommendations

The Switchcraft EN3C6MX serves as a functional equivalent to the TE Connectivity 1877846-1 for applications requiring a 6-position circular connector plug with solder cup termination and gold-plated contacts. Both parts maintain active product status and RoHS compliance, ensuring regulatory alignment for current procurement and deployment.

The EN3C6MX provides a higher current rating of 7.5A compared to the 1877846-1 at 6A, offering additional electrical capacity. However, the operating temperature range differs significantly: the 1877846-1 operates from -50°C to 170°C, while the EN3C6MX operates from -40°C to 65°C. Selection between these parts depends on the specific thermal requirements of the target application.

The fastening mechanism differs between the two parts: the 1877846-1 uses a latch lock mechanism, while the EN3C6MX employs a bayonet lock. The EN3C6MX includes additional features such as backshell, cable clamp, and coupling nut, and provides IP66/IP68 ingress protection with UL94 V-0 flammability rating. The 1877846-1 is specified for medical applications within the Medical CPC series, while the EN3C6MX is rated for general purpose, instrumentation, marine, and medical applications.

Frequently Asked Questions (FAQ)

Q: Can the Switchcraft EN3C6MX directly replace the TE Connectivity 1877846-1 in all applications?

A: The EN3C6MX matches the core electrical and mechanical specifications for 6-position solder cup connector plugs with gold-plated copper alloy contacts. However, application-specific requirements must be evaluated. The operating temperature range of the EN3C6MX (-40°C to 65°C) is narrower than the 1877846-1 (-50°C to 170°C), making it unsuitable for applications requiring extended high-temperature operation. The fastening mechanism differs (bayonet lock versus latch lock), which may affect mechanical compatibility with mating receptacles.

Q: What are the key electrical differences between these two connectors?

A: The 1877846-1 is rated for 6A at 300VAC, while the EN3C6MX is rated for 7.5A at 250VAC/DC. Both use copper alloy contacts with gold plating. The EN3C6MX provides higher current capacity but lower voltage rating. Selection depends on the specific voltage and current requirements of the application.

Q: How do the cable opening specifications affect substitution?

A: The 1877846-1 accepts cables with diameters of 0.209" to 0.256" (5.30mm to 6.50mm), while the EN3C6MX accepts 0.160" to 0.265" (4.06mm to 6.73mm). The EN3C6MX has a lower minimum cable diameter but similar maximum diameter. Cable compatibility must be verified for the specific application.

Q: What is the significance of the different fastening types?

A: The 1877846-1 uses a latch lock mechanism, while the EN3C6MX uses a bayonet lock. These are mechanically distinct coupling methods. The fastening type affects how the plug connects to and disconnects from the mating receptacle. Compatibility with existing receptacles must be confirmed before substitution.

Q: Are both parts RoHS compliant?

A: Yes. The 1877846-1 is RoHS Compliant, and the EN3C6MX is ROHS3 Compliant. Both parts meet RoHS regulatory requirements. Both parts have unlimited moisture sensitivity level (MSL 1) and are classified under ECCN EAR99 with HTSUS code 8536.69.4020.

Q: What additional features does the EN3C6MX provide?

A: The EN3C6MX includes backshell, cable clamp, and coupling nut features. It also provides IP66/IP68 ingress protection (dust tight, water resistant, waterproof) and carries a UL94 V-0 flammability rating. The 1877846-1 does not specify these additional protective features.

Q: How do the application ratings differ between these connectors?

A: The 1877846-1 is specified for medical applications within the Medical CPC series. The EN3C6MX is rated for general purpose, instrumentation, marine, and medical applications, providing broader application flexibility.