Phoenix Contact 1843253 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1843253 is a 5-position vertical terminal block header with male pins, designed for solder termination through-hole mounting. This component is part of the COMBICON MCV series and is actively manufactured. Terminal block headers are essential interconnection components in industrial control systems, power distribution, and signal routing applications where reliable, field-replaceable connections are required. Equivalent substitute parts may be necessary due to supply chain constraints, regional availability, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

1843253

Phoenix ContactIn Stock: 6851843253 Datasheet

Current PartRFQ

0395056005

MolexIn Stock: 29480395056005 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1843253 is determined by strict alignment of the following critical parameters:

• Electrical Compatibility: Current rating (8 A minimum), voltage rating (300 V minimum per UL standard)
• Physical Compatibility: 5-position configuration, 0.138" (4.60mm) pitch, vertical orientation, male pin header with 4-side shrouding
• Termination Compatibility: Solder termination, through-hole mounting
• Mechanical Dimensions: Contact tail length 0.138" (4.60mm), insulation height within tolerance range
• Regulatory Compliance: UL94 V-0 flammability rating, ROHS3 compliance, EAR99 classification

The Molex 0395056005 (Eurostyle ESE 39505 series) meets all critical substitution criteria and is classified as an equivalent substitute part.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0395056005 is a direct electrical and mechanical equivalent to the Phoenix Contact 1843253. Both components are active products with identical current and voltage ratings, matching pitch and position configurations, and equivalent flammability certifications. Both parts maintain ROHS3 compliance and EAR99 export classification. The minor variance in insulation height (0.362" versus 0.360") falls within standard manufacturing tolerances and does not affect functional compatibility or PCB layout requirements. Selection between these parts should be based on availability, lead time, and procurement preferences, as both meet all specified electrical and mechanical requirements for terminal block header applications.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0395056005 be used as a direct replacement for the Phoenix Contact 1843253 in existing designs?

A: Yes. Both components share identical electrical ratings (8 A, 300 V), mechanical configuration (5-position, 4.60mm pitch, vertical orientation), and termination method (solder through-hole). The insulation height difference of 0.02" is within standard manufacturing tolerance and does not affect PCB compatibility or mating performance.

Q: Are there any differences in housing material between these parts?

A: The Phoenix Contact 1843253 uses Polybutylene Terephthalate (PBT), while the Molex 0395056005 uses Polyamide (PA66), Nylon 6/6. Both materials meet UL94 V-0 flammability requirements and are suitable for industrial terminal block applications. Material selection may affect operating temperature range and chemical resistance in specific environments.

Q: Do both parts have the same contact material?

A: The Phoenix Contact 1843253 does not specify contact material in the provided data. The Molex 0395056005 uses brass contacts with tin mating finish. Both parts feature tin contact mating finish for solder compatibility.

Q: What is the operating temperature range for these components?

A: The Phoenix Contact 1843253 does not specify an operating temperature range in the provided data. The Molex 0395056005 operates from -40°C to 105°C. Verify specific temperature requirements for your application before final component selection.

Q: Are both parts RoHS compliant?

A: Yes. Both the Phoenix Contact 1843253 and Molex 0395056005 are ROHS3 compliant and suitable for applications requiring lead-free component specifications.

Q: What is the moisture sensitivity level for these parts?

A: Both components have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no special moisture handling or storage requirements during assembly and deployment.