TE Connectivity AMP Connectors 7-1877846-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 7-1877846-1 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. 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 is unavailable or when alternative sourcing is required.

Substiute Parts

7-1877846-1

TE Connectivity AMP ConnectorsIn Stock: 9067-1877846-1 Datasheet

Current PartRFQ

EN3C6MX

Switchcraft Inc.In Stock: 2741EN3C6MX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 7-1877846-1 are identified based on alignment of core electrical and mechanical parameters that define functional equivalency. The substitution logic is based on the following criteria:

Primary Matching Parameters:

• Connector type: Plug with male pins
• Position count: 6 positions
• Termination method: Solder cup
• Contact finish: Gold plating
• Contact material: Copper alloy
• Shell material: Thermoplastic
• Mounting configuration: Free hanging (in-line)
• RoHS compliance status

Acceptable Parameter Variations: Substitute parts may differ in fastening type (latch lock versus bayonet lock), orientation specification, color, ingress protection rating, and operating temperature range, provided the core electrical ratings and termination method remain compatible. Current and voltage ratings of substitute parts must meet or exceed the main part specifications to ensure safe operation in the intended application.

Parameter Comparison

Engineering Selection Recommendations

TE Connectivity AMP Connectors 7-1877846-1: This part is the primary specification for applications requiring the Medical CPC series connector. It maintains Active product status and RoHS Compliant certification. The operating temperature range of -50°C to 170°C supports extended thermal environments. The 300VAC voltage rating and 6A current capacity define the electrical performance envelope. This part is suitable for medical device applications where the specific series designation and temperature performance are required.

Switchcraft Inc. EN3C6MX: This substitute part is Active and ROHS3 Compliant, providing enhanced ingress protection (IP66/IP68) suitable for environments requiring dust and water resistance. The EN3C6MX delivers higher current capacity (7.5A) compared to the main part. However, the operating temperature range (-40°C to 65°C) is more limited, and the voltage rating (250VAC/DC) is lower than the main part specification. The bayonet lock fastening and keyed orientation differ from the latch lock and 80° orientation of the main part. The EN3C6MX is applicable in general purpose, instrumentation, marine, and medical applications where the reduced temperature range and lower voltage rating are acceptable.

Selection Basis: Both parts share identical core specifications: 6-position male pin plug configuration, solder cup termination, gold-plated copper alloy contacts, and thermoplastic shell construction. Both maintain MSL 1 (Unlimited) moisture sensitivity and EAR99 export classification. Selection between these parts depends on application-specific requirements for operating temperature range, voltage rating, ingress protection level, and fastening mechanism compatibility.

Frequently Asked Questions (FAQ)

Q: Can the EN3C6MX substitute for the 7-1877846-1 in all medical applications?

A: The EN3C6MX shares the core connector architecture (6-position male plug, solder cup, gold contacts, copper alloy) and is rated for medical applications. However, the operating temperature range (-40°C to 65°C) is narrower than the main part (-50°C to 170°C), and the voltage rating (250VAC/DC) is lower than the main part (300VAC). Substitution is valid only when the application operates within the EN3C6MX temperature and voltage specifications.

Q: What are the differences in fastening mechanisms between these connectors?

A: The 7-1877846-1 uses a latch lock fastening type with 80° orientation, while the EN3C6MX uses a bayonet lock with keyed orientation. These mechanical differences affect mating and unmating procedures and connector positioning. Physical compatibility with existing mating connectors must be verified before substitution.

Q: Are both parts RoHS compliant?

A: Yes. The 7-1877846-1 is RoHS Compliant, and the EN3C6MX is ROHS3 Compliant. Both parts meet regulatory requirements for hazardous substance restrictions.

Q: What is the significance of the cable opening specifications?

A: The 7-1877846-1 accepts cable diameters of 0.157" to 0.205" (4.00mm to 5.20mm), while the EN3C6MX accepts 0.160" to 0.265" (4.06mm to 6.73mm). The EN3C6MX provides a wider cable diameter range. Cable compatibility must be verified to ensure proper strain relief and electrical connection.

Q: Does the EN3C6MX provide better environmental protection?

A: Yes. The EN3C6MX is rated IP66/IP68 (dust tight, water resistant, waterproof), while the 7-1877846-1 does not specify an ingress protection rating. The EN3C6MX is suitable for applications requiring enhanced environmental sealing. The 7-1877846-1 is appropriate for controlled environments where ingress protection is not a primary requirement.

Q: What is the current capacity difference between these parts?

A: The 7-1877846-1 is rated at 6A, while the EN3C6MX is rated at 7.5A. Both parts can handle the 6A requirement of the main part specification. The EN3C6MX provides additional current capacity margin.

Q: Are the insert materials compatible?

A: The 7-1877846-1 uses Polyphenylene Sulfide (PPS) insert material, while the EN3C6MX uses Elastomer insert material. Both materials are suitable for the solder cup termination method and support the electrical specifications of their respective connectors.