ELFH19280 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The ELFH19280 is a 19-position terminal block header manufactured by Amphenol PCD, designed for vertical through-hole mounting with 0.200" (5.08mm) pitch spacing. This shrouded male pin header operates at 300V UL and 15A UL current rating, suitable for industrial control and power distribution applications. The component is actively produced and stocked with 973 units available. Alternative models may be required due to inventory constraints, specific packaging requirements, or regional supplier preferences while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	ELFH19280
Manufacturer	Amphenol PCD
Number of Positions	19
Pitch	0.200" (5.08mm)
Header Orientation	Vertical
Type	Header, Male Pins, Shrouded (4 Side)
Mounting Type	Through Hole
Voltage - UL	300 V
Current - UL	15 A
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the ELFH19280 is determined by the following critical parameters:

Position Count & Pitch Compatibility: The substitute must maintain 19 positions with pitch spacing within acceptable mechanical tolerance. The ELFH19280 operates at 0.200" (5.08mm) pitch; the substitute 1755671 operates at 0.197" (5.00mm) pitch, representing a 0.03mm variance that falls within standard PCB layout tolerance for through-hole terminal block applications.

Electrical Ratings: The substitute must meet or exceed the voltage and current requirements. The ELFH19280 is rated 300V UL and 15A UL. The substitute 1755671 meets the 300V UL voltage requirement and provides 12A UL current, which is acceptable for applications not requiring the full 15A capacity.

Physical Configuration: Both components are vertical through-hole mounted, shrouded male pin headers with solder termination, ensuring mechanical and electrical interface compatibility.

Compliance & Material Standards: Both components carry UL94 V-0 flammability rating and RoHS compliance, meeting industrial safety and environmental standards.

Parameter Comparison

Parameter	ELFH19280 (Amphenol PCD)	1755671 (Phoenix Contact)	Compatibility Notes
Number of Positions	19	19	Identical
Pitch	0.200" (5.08mm)	0.197" (5.00mm)	0.03mm variance within PCB tolerance
Header Orientation	Vertical	Vertical	Identical
Type	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Identical
Mounting Type	Through Hole	Through Hole	Identical
Voltage - UL	300 V	300 V	Identical
Current - UL	15 A	12 A	Substitute rated lower; acceptable for applications ≤12A
Operating Temperature	-40°C ~ 105°C	Not specified	Main part specification available
Material Flammability Rating	UL94 V-0	UL94 V-0	Identical
RoHS Status	RoHS Compliant	ROHS3 Compliant	Both compliant; substitute meets current standard
Contact Tail Length	0.155" (3.94mm)	0.154" (3.90mm)	0.04mm variance within tolerance
Insulation Height	0.475" (12.07mm)	0.472" (12.00mm)	0.07mm variance within tolerance

Engineering Selection Recommendations

Primary Selection (ELFH19280): Use when full 15A UL current capacity is required and Amphenol PCD supply chain is preferred. Active product status ensures long-term availability and consistent manufacturing standards.

Substitute Selection (1755671): Use when application current requirements do not exceed 12A UL and Phoenix Contact supply chain is available. This substitute maintains all critical electrical and mechanical parameters. ROHS3 compliance indicates current manufacturing standards. Higher inventory availability (1150 units) may support expedited procurement timelines.

Pitch Tolerance Consideration: The 0.03mm pitch variance between components is within standard PCB design tolerance for through-hole terminal block footprints. PCB layout verification is not required for standard applications.

Frequently Asked Questions (FAQ)

Q: Can the 1755671 substitute be used in applications requiring 15A current? A: No. The 1755671 is rated 12A UL maximum. Applications requiring 15A must use the ELFH19280 or equivalent 15A-rated components.

Q: Does the 0.03mm pitch difference affect PCB compatibility? A: No. Standard PCB design tolerances for through-hole terminal block footprints accommodate this variance. Both components are mechanically compatible with the same PCB layout.

Q: Are there temperature rating differences between the two components? A: The ELFH19280 specifies -40°C to 105°C operating range. The 1755671 does not provide operating temperature specification in available documentation. For applications with temperature extremes, the ELFH19280 specification should be verified.

Q: What is the difference between RoHS and ROHS3 compliance? A: Both indicate RoHS compliance. ROHS3 refers to the current RoHS 3 directive standard. Both components meet environmental compliance requirements for industrial applications.

Q: Does packaging format affect electrical performance? A: No. The ELFH19280 is supplied in Tray packaging; the 1755671 is supplied in Bulk packaging. Packaging format does not affect component electrical or mechanical performance, only handling and storage logistics.

Q: Are the contact materials compatible? A: Both components use Tin contact mating finish. The ELFH19280 specifies Brass contact material; the 1755671 does not specify contact material in available data. Both finishes are standard for industrial terminal block applications.

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