TE Connectivity AMP Connectors 1-1877846-0 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 1-1877846-0 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 687 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 primary part becomes unavailable or when alternative sourcing is required.

Substiute Parts

1-1877846-0

TE Connectivity AMP ConnectorsIn Stock: 7581-1877846-0 Datasheet

Current PartRFQ

EN3C6MX

Switchcraft Inc.In Stock: 2741EN3C6MX Datasheet

SimilarRFQ

EN3L6MX

Switchcraft Inc.In Stock: 2851EN3L6MX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 1-1877846-0 is determined by the following critical parameters:

Primary Substitution Criteria:

• 6-position connector configuration
• Solder cup termination method
• Gold-plated mating contacts
• Copper alloy contact material
• Thermoplastic shell construction
• Free hanging in-line mounting
• RoHS compliance status
• Medical application compatibility

Substitution Limitations:

The EN3L6MX (Switchcraft Inc.) is listed as a substitute part number in the original specification; however, this part functions as a receptacle with male pins, whereas the main part is a plug with male pins. These represent complementary connector halves rather than direct functional equivalents. The EN3L6MX cannot replace the 1-1877846-0 in applications requiring a plug connector.

The EN3C6MX (Switchcraft Inc.) is a 6-position plug connector with male pins and solder cup termination, sharing the same connector type and pin configuration as the main part. However, critical parameter differences exist that affect substitution viability:

• Operating temperature range: EN3C6MX operates -40°C to 65°C versus 1-1877846-0 at -50°C to 170°C
• Voltage rating: EN3C6MX rated 250VAC/DC versus 1-1877846-0 at 300VAC
• Fastening type: EN3C6MX uses bayonet lock versus latch lock on main part
• Orientation: EN3C6MX is keyed versus 80° orientation on main part

These parameter differences indicate that EN3C6MX is not a direct substitute for the 1-1877846-0 in applications requiring the full operating temperature range or higher voltage rating.

Parameter Comparison

Engineering Selection Recommendations

TE Connectivity 1-1877846-0 Primary Selection:

The TE Connectivity 1-1877846-0 remains the specified component for applications requiring the full operating temperature range of -50°C to 170°C and voltage rating of 300VAC. This part maintains active product status with established inventory availability (687 units) and RoHS compliance certification. The Medical CPC series designation confirms suitability for medical device applications.

EN3C6MX Substitution Constraints:

The Switchcraft EN3C6MX shares the same connector type (plug, male pins), position count (6), termination method (solder cup), and contact finish (gold). However, the reduced operating temperature range (-40°C to 65°C) and lower voltage rating (250VAC/DC) restrict its use to applications operating within these narrower parameters. The EN3C6MX is suitable only for general purpose, instrumentation, marine, and medical applications that do not require the extended temperature or voltage specifications of the main part. The bayonet lock fastening and keyed orientation differ from the latch lock and 80° orientation of the 1-1877846-0, requiring mechanical design verification.

EN3L6MX Incompatibility:

The Switchcraft EN3L6MX is a receptacle connector with male pins and cannot function as a direct substitute for the plug connector configuration of the 1-1877846-0. These parts represent complementary halves of a mating pair and serve different functional roles in connector assemblies.

Compliance Status:

Both Switchcraft parts maintain active product status and RoHS compliance (ROHS3 level), with REACH unaffected status. The TE Connectivity part carries RoHS Compliant designation. All three parts are classified under ECCN EAR99 and HTSUS 8536.69.4020.

Frequently Asked Questions (FAQ)

Q: Can the EN3C6MX directly replace the 1-1877846-0 in all applications?

A: No. The EN3C6MX operates within a reduced temperature range (-40°C to 65°C) and lower voltage rating (250VAC/DC) compared to the 1-1877846-0 (-50°C to 170°C, 300VAC). Substitution is limited to applications operating within the EN3C6MX specifications. Additionally, the fastening mechanism differs (bayonet lock versus latch lock), requiring mechanical design review.

Q: What is the functional difference between the EN3L6MX and the 1-1877846-0?

A: The EN3L6MX is a receptacle connector, while the 1-1877846-0 is a plug connector. These are complementary connector halves designed to mate with each other. The EN3L6MX cannot replace the 1-1877846-0 in applications requiring a plug connector.

Q: Are all three parts RoHS compliant?

A: Yes. The 1-1877846-0 is RoHS Compliant. The EN3C6MX and EN3L6MX are both ROHS3 Compliant, representing a higher level of RoHS compliance. All parts meet environmental compliance requirements.

Q: What is the primary reason to consider substitution?

A: Substitution is considered when the primary part (1-1877846-0) becomes unavailable or when alternative sourcing is required. The Switchcraft parts offer higher current ratings (7.5A versus 6A) and enhanced ingress protection (IP66/IP68), but only the EN3C6MX shares the plug connector type. Substitution decisions must account for the specific operating parameters of the target application.

Q: How do the cable opening specifications compare?

A: The 1-1877846-0 specifies cable opening of 0.209" to 0.256" (5.30mm to 6.50mm). The EN3C6MX and EN3L6MX both specify 0.160" to 0.265" (4.06mm to 6.73mm), providing a wider range. Cable diameter compatibility must be verified for the specific application.

Q: What packaging options are available?

A: The 1-1877846-0 is available in unspecified packaging with 687 units in current inventory. The EN3C6MX and EN3L6MX are supplied in bulk packaging with 2649 and 2840 units respectively in current inventory.

Q: Are the insert materials compatible?

A: The 1-1877846-0 uses Polyphenylene Sulfide (PPS) insert material, while the EN3C6MX and EN3L6MX use elastomer insert material. These material differences may affect mechanical properties and environmental resistance in specific applications.