TE Connectivity AMP Connectors 6-1877846-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 6-1877846-4 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 1101 pieces 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 become necessary when original inventory is depleted, when alternative sourcing reduces lead times, or when application requirements permit use of functionally equivalent connectors with comparable electrical and mechanical specifications.

Substiute Parts

6-1877846-4

TE Connectivity AMP ConnectorsIn Stock: 12006-1877846-4 Datasheet

Current PartRFQ

EN3C6MX

Switchcraft Inc.In Stock: 2741EN3C6MX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 6-1877846-4 is determined by the following critical parameters:

Primary Substitution Criteria:

• Connector type must be Plug with Male Pins
• Position count must equal 6
• Termination must be Solder Cup
• Contact finish must be Gold
• Shell material must be Thermoplastic
• Contact material must be Copper Alloy
• Mounting type must be Free Hanging (In-Line)

Secondary Compatibility Parameters:

• Current rating must meet or exceed 6A
• Voltage rating must meet or exceed 300VAC
• Operating temperature range must encompass or overlap the -50°C to 170°C specification
• RoHS compliance status must be maintained

The substitute part EN3C6MX from Switchcraft Inc. satisfies the primary substitution criteria across all connector topology and termination specifications. Secondary parameter variations exist in fastening type (Bayonet Lock versus Latch Lock), orientation configuration (Keyed versus 80°), and ingress protection rating (IP66/IP68 versus unspecified). These variations do not preclude substitution when application requirements permit.

Parameter Comparison

Engineering Selection Recommendations

6-1877846-4 (TE Connectivity AMP Connectors) is the primary component for applications requiring the specified Medical CPC series connector with latch lock fastening and 80° orientation. This part maintains Active product status with established inventory availability and RoHS compliance certification.

EN3C6MX (Switchcraft Inc.) serves as a functional substitute when the following conditions are met:

1. Application does not require the specific 80° orientation; keyed orientation is acceptable
2. Bayonet lock fastening mechanism is compatible with the mechanical interface
3. Operating temperature range of -40°C to 65°C satisfies thermal requirements (note: does not extend to the -50°C lower limit or 170°C upper limit of the primary part)
4. Voltage rating of 250VAC/DC is sufficient for the circuit (note: does not meet the 300VAC specification of the primary part)
5. Enhanced ingress protection (IP66/IP68) provides additional environmental sealing when required

Both parts maintain RoHS compliance and EAR99 export classification. The EN3C6MX carries ROHS3 certification and REACH Unaffected status, while the 6-1877846-4 carries RoHS Compliant status with Vendor Undefined REACH status.

Frequently Asked Questions (FAQ)

Q: Can EN3C6MX replace 6-1877846-4 in all medical applications?

A: EN3C6MX shares the core connector topology (6-position plug, male pins, solder cup termination, gold contacts, copper alloy contacts, thermoplastic shell) required for functional substitution. However, the operating temperature range of EN3C6MX (-40°C to 65°C) does not extend to the full -50°C to 170°C range of the 6-1877846-4. Substitution is valid only when the application operates within the -40°C to 65°C envelope.

Q: What are the mechanical differences between these connectors?

A: The primary mechanical differences are fastening type and orientation. The 6-1877846-4 uses latch lock fastening with 80° orientation, while the EN3C6MX uses bayonet lock fastening with keyed orientation. These differences affect mating interface compatibility and mechanical coupling method. Verify that the mating receptacle accommodates bayonet lock and keyed orientation before substitution.

Q: Are there voltage rating differences that affect substitution?

A: Yes. The 6-1877846-4 is rated for 300VAC, while the EN3C6MX is rated for 250VAC/DC. The EN3C6MX does not meet the 300VAC specification. Substitution is valid only when circuit voltage does not exceed 250VAC or when DC operation is employed.

Q: Does EN3C6MX provide better environmental protection?

A: The EN3C6MX includes IP66/IP68 ingress protection rating (dust tight, water resistant, waterproof), while the 6-1877846-4 does not specify an ingress protection rating. When environmental sealing is required, EN3C6MX provides documented protection. The 6-1877846-4 may be suitable for general indoor applications where ingress protection is not specified as a requirement.

Q: What is the current rating difference?

A: The EN3C6MX is rated for 7.5A, exceeding the 6A rating of the 6-1877846-4. This difference does not preclude substitution; the higher current rating of EN3C6MX provides additional margin for applications operating at or below 6A.

Q: Are both parts RoHS compliant?

A: Yes. The 6-1877846-4 carries RoHS Compliant certification, and the EN3C6MX carries ROHS3 Compliant certification. Both parts meet RoHS requirements. The EN3C6MX additionally carries REACH Unaffected status, while the 6-1877846-4 carries Vendor Undefined REACH status.

Q: What packaging differences exist?

A: The 6-1877846-4 is supplied in unspecified packaging with 1101 pieces in current inventory. The EN3C6MX is supplied in bulk packaging with 2649 pieces in current inventory. Packaging format may affect handling, storage, and integration into assembly processes.