ELFH20280 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The ELFH20280 is a 20-position terminal block header manufactured by Amphenol PCD, designed for vertical through-hole mounting with 0.200" (5.08mm) pitch spacing. This shrouded 4-side male pin header operates at 300V UL and 15A UL current rating, suitable for industrial control and power distribution applications. The component is active in production and RoHS compliant, making it suitable for modern electronic assemblies requiring reliable interconnection solutions.

Substitute parts become necessary when the primary manufacturer part is unavailable, when alternative sourcing reduces lead times, or when design flexibility permits equivalent configurations that meet application requirements.

Substiute Parts

ELFH20280

Amphenol PCDIn Stock: 1046ELFH20280 Datasheet

Current PartRFQ

1755914

Phoenix ContactIn Stock: 11811755914 Datasheet

SimilarRFQ

1758199

Phoenix ContactIn Stock: 10191758199 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ELFH20280 is determined by the following critical parameters:

Primary Matching Criteria:

• Number of positions: 20
• Pitch spacing: 0.200" (5.08mm)
• Header orientation: Vertical
• Termination style: Solder
• Mounting type: Through hole
• Voltage rating: Minimum 300V UL
• Current rating: Minimum 12A (acceptable reduction from 15A in controlled applications)
• Material flammability: UL94 V-0
• RoHS compliance status

Acceptable Variations:

• Shroud configuration (4-side vs. 2-side): Both provide EMI shielding; 2-side shroud represents a reduced but functionally equivalent alternative
• Housing color: Does not affect electrical performance
• Contact tail length: Minor variations (0.154" to 0.155") within manufacturing tolerance
• Insulation height: Minor variations (0.472" to 0.475") within manufacturing tolerance

The two Phoenix Contact parts listed (1755914 and 1758199) meet all primary matching criteria with acceptable variations in shroud configuration and minor dimensional tolerances.

Parameter Comparison

Engineering Selection Recommendations

1755914 (Phoenix Contact COMBICON MSTBVA Series)

This part is a direct functional equivalent with 4-side shroud configuration matching the ELFH20280. The 12A UL current rating is lower than the original 15A specification; however, this part is suitable for applications where the actual current requirement does not exceed 12A. The part maintains UL94 V-0 flammability rating and ROHS3 compliance. Dimensional variations in contact tail length and insulation height fall within acceptable manufacturing tolerances and do not affect PCB mounting compatibility.

1758199 (Phoenix Contact COMBICON MSTBV Series)

This part provides a 2-side shroud configuration instead of 4-side, reducing EMI shielding coverage. The 2-side shroud is functionally equivalent for applications where full 4-side shielding is not required. Like the 1755914, this part carries a 12A UL current rating and maintains UL94 V-0 and ROHS3 compliance. The lower IEC voltage rating (400V vs. 630V on the 1755914) does not affect UL compliance at 300V. This part is suitable when space constraints or design flexibility permit reduced shroud coverage.

Selection Basis:

Both substitute parts meet the mandatory criteria of 20 positions, 5.08mm pitch, vertical orientation, solder termination, through-hole mounting, 300V UL rating, and UL94 V-0 flammability. The choice between them depends on shroud requirement: select 1755914 for equivalent 4-side shielding, or 1758199 if 2-side shroud is acceptable. Current rating reduction from 15A to 12A requires verification that application current does not exceed 12A.

Frequently Asked Questions (FAQ)

Q: Can I use the 12A-rated Phoenix Contact parts in place of the 15A ELFH20280?

A: Yes, provided your application current requirement does not exceed 12A. The 12A rating is the limiting factor for these substitutes. Verify actual circuit current before selection.

Q: What is the difference between 4-side and 2-side shroud configurations?

A: The 4-side shroud (ELFH20280 and 1755914) provides EMI shielding on all four sides of the connector. The 2-side shroud (1758199) provides shielding on two sides. Both configurations maintain electrical safety and flammability ratings. Select based on EMI requirements of your application.

Q: Are the dimensional differences between these parts significant?

A: Contact tail length varies by 0.001" (0.04mm) and insulation height by 0.003" (0.07mm). These variations are within standard manufacturing tolerances and do not affect PCB mounting compatibility or connector mating.

Q: Do all three parts meet RoHS requirements?

A: Yes. The ELFH20280 is RoHS Compliant, while both Phoenix Contact parts are ROHS3 Compliant. Both compliance levels are acceptable for modern electronic assemblies.

Q: What is the voltage difference between the IEC and UL ratings on the Phoenix Contact parts?

A: IEC and UL represent different international standards for electrical safety testing. All three parts meet the 300V UL requirement specified for this application. The higher IEC ratings on the Phoenix Contact parts (630V and 400V) indicate additional safety margin under IEC standards but do not affect UL compliance.

Q: Can I mix these parts in the same assembly?

A: Yes, all three parts are mechanically and electrically compatible for the same 20-position, 5.08mm pitch application. However, maintaining consistent shroud configuration (4-side or 2-side) across an assembly is recommended for consistent EMI performance.

Q: What is the MSL rating and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 means unlimited shelf life without moisture control. All three parts carry MSL 1, indicating no special storage or handling requirements for moisture protection.