Phoenix Contact 1937619 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1937619 is a 3-position terminal block header with male pins, shrouded design, and 4.6mm pitch for vertical through-hole mounting. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The part operates at 8A per position (IEC) and 300V (UL), with solder termination suitable for PCB assembly in industrial control and power distribution circuits.

Substiute Parts

1937619

Phoenix ContactIn Stock: 11161937619 Datasheet

Current PartRFQ

0395011003

MolexIn Stock: 203060395011003 Datasheet

SimilarRFQ

0395011503

MolexIn Stock: 9630395011503 Datasheet

SimilarRFQ

OQ0312500000G

Amphenol AnytekIn Stock: 8594OQ0312500000G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Phoenix Contact 1937619 are qualified based on the following critical parameters:

• Electrical Compatibility: Current rating (UL) of 8A minimum, voltage rating (UL) of 300V minimum
• Physical Compatibility: 3 positions, 4.6mm pitch, vertical orientation, through-hole mounting
• Mechanical Compatibility: Male pins with 4-side shrouded design, solder termination
• Regulatory Compliance: UL94 V-0 flammability rating, RoHS compliance

All three substitute parts meet these core requirements. Variations in contact mating finish, housing material composition, and contact tail length fall within acceptable tolerances for direct substitution in the same application circuit.

Parameter Comparison

Engineering Selection Recommendations

Molex 0395011003 and Molex 0395011503 are direct functional equivalents with active product status and ROHS3 compliance. Both parts maintain the 8A current rating and 300V voltage specification. The primary distinction is contact mating finish: 0395011003 features tin plating, while 0395011503 features gold plating. Gold-plated contacts (0395011503) provide enhanced corrosion resistance in high-humidity or chemically aggressive environments.

Amphenol Anytek OQ0312500000G offers superior current capacity at 10A per position, exceeding the original specification. This part is suitable for applications requiring higher current margins or future design upgrades. The green housing color distinguishes it visually from the original black design. All three substitutes maintain UL94 V-0 flammability compliance and are ROHS3 compliant.

For direct replacement in existing designs, Molex 0395011003 provides the closest electrical and physical match. For enhanced reliability in harsh environments, Molex 0395011503 is recommended. For applications requiring higher current capacity, Amphenol Anytek OQ0312500000G is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Can Molex 0395011003 be used as a direct replacement for Phoenix Contact 1937619?

A: Yes. Both parts share identical electrical ratings (8A, 300V), pitch (4.6mm), position count (3), orientation (vertical), and mounting method (through-hole solder). Both meet UL94 V-0 flammability requirements and RoHS compliance standards.

Q: What is the difference between Molex 0395011003 and 0395011503?

A: The parts are electrically and mechanically identical. The sole difference is contact mating finish: 0395011003 uses tin plating, while 0395011503 uses gold plating. Gold plating provides superior corrosion resistance in corrosive or high-humidity applications.

Q: Why does Amphenol Anytek OQ0312500000G have a 10A rating instead of 8A?

A: The Amphenol part is rated for 10A per position, exceeding the original 8A specification. This higher rating does not prevent substitution; it indicates greater current capacity. The part remains compatible with circuits designed for 8A operation.

Q: Does the green housing color of the Amphenol part affect compatibility?

A: No. Housing color is a visual identifier only and does not affect electrical or mechanical function. The green color distinguishes the Amphenol part from the black original but does not impact circuit performance or PCB assembly.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All three substitute parts carry ROHS3 compliance certification. The original Phoenix Contact part is RoHS Compliant (ROHS2 equivalent). All parts meet current environmental and hazardous substance restrictions.

Q: What is the significance of Moisture Sensitivity Level (MSL) differences?

A: The original part has MSL 3 (168-hour limit), while all substitutes have MSL 1 (unlimited). Lower MSL ratings indicate reduced moisture absorption and longer shelf life without baking. Substitutes offer superior storage stability.

Q: Can these parts be used interchangeably in the same PCB design?

A: Yes, provided the PCB footprint accommodates the minor variations in contact tail length and insulation height. Molex parts have contact tail length of 0.140" (4.66mm) versus the original 0.134" (3.40mm). Amphenol maintains 0.138" (4.60mm), matching the original specification more closely. Verify PCB hole depth and spacing before assembly.