Phoenix Contact 1704372 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1704372 is a 7-position terminal block header with male pins and partial shroud, designed for 90° right-angle through-hole mounting with 5.00mm pitch spacing. This component is classified as obsolete, making identification of functionally equivalent substitute parts essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Key Parameters

Parameter	Value
Manufacturer Part Number	1704372
Manufacturer	Phoenix Contact
Category	Terminal Blocks
Series	COMBICON PST
Number of Positions	7
Pitch	0.197" (5.00mm)
Header Orientation	90°, Right Angle
Type	Header, Male Pins, Partial Shroud
Mounting Type	Through Hole
Termination Style	Solder
Current - IEC	14.6A
Voltage - IEC	400 V
Current - UL	10 A
Voltage - UL	300 V
Contact Mating Finish	Tin
Material Flammability Rating	UL94 V-0
Housing Material	Polyamide (PA), Nylon
Contact Tail Length	0.138" (4.60mm)
Insulation Height	0.441" (11.20mm)
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1704372 is determined by the following critical parameters:

Position Count & Pitch: 7 positions at 0.197" (5.00mm) spacing (non-negotiable for mechanical fit)
Orientation: 90° right-angle configuration (determines PCB mounting compatibility)
Electrical Ratings: Minimum IEC 400V / 14.6A or UL 300V / 10A compliance
Termination: Solder-based connection method
Shrouding: Partial or full shroud acceptable (both provide pin protection)
Contact Material & Finish: Tin-plated contacts for corrosion resistance
Flammability: UL94 V-0 or equivalent material rating
RoHS Compliance: Required for modern supply chain integration

The On Shore Technology Inc. OSTOQ077051 qualifies as a functional substitute based on matching position count, pitch, orientation, voltage rating, contact finish, and RoHS compliance status. Differences in shroud design (2-side shrouded vs. partial shroud) and contact tail length represent acceptable variations within the terminal block category.

Parameter Comparison

Parameter	Phoenix Contact 1704372	On Shore Technology OSTOQ077051
Number of Positions	7	7
Pitch	0.197" (5.00mm)	0.197" (5.00mm)
Header Orientation	90°, Right Angle	90°, Right Angle
Type	Header, Male Pins, Partial Shroud	Header, Male Pins, Shrouded (2 Side)
Voltage - UL	300 V	300 V
Contact Mating Finish	Tin	Tin
RoHS Status	RoHS Compliant	ROHS3 Compliant
Contact Tail Length	0.138" (4.60mm)	0.157" (4.00mm)
Insulation Height	0.441" (11.20mm)	0.157" (4.00mm)
Product Status	Obsolete	Active

Engineering Selection Recommendations

The On Shore Technology OSTOQ077051 is the identified substitute for the obsolete Phoenix Contact 1704372 based on the following engineering criteria:

Compliance & Availability: The OSTOQ077051 maintains active product status with current manufacturing support, ensuring long-term supply chain viability. Both components meet RoHS requirements (RoHS Compliant vs. ROHS3 Compliant), satisfying modern regulatory standards.

Electrical Compatibility: Both parts support 300V UL rating, meeting the specified voltage requirement. The OSTOQ077051 does not specify IEC current rating in the provided data; however, the UL 300V rating aligns with the main part's electrical envelope.

Mechanical Fit: Identical 7-position configuration at 5.00mm pitch and 90° orientation ensures direct PCB mounting compatibility. The 2-side shroud design on the substitute provides enhanced pin protection compared to the partial shroud of the original part.

Physical Dimensions: The contact tail length difference (0.157" vs. 0.138") and insulation height variation (0.157" vs. 0.441") require PCB layout verification to confirm solder pad depth and clearance compatibility during implementation.

Frequently Asked Questions (FAQ)

Q: Can the OSTOQ077051 directly replace the Phoenix Contact 1704372 without PCB modification?

A: Mechanical compatibility is confirmed for position count, pitch, and orientation. However, the contact tail length (0.157" vs. 0.138") and insulation height (0.157" vs. 0.441") differences require verification against your PCB solder pad design and component clearance specifications. Direct substitution may require minor PCB layout adjustment.

Q: What is the significance of the shroud design difference?

A: The Phoenix Contact 1704372 features a partial shroud, while the OSTOQ077051 has 2-side shrouding. Both designs provide pin protection; the 2-side shroud offers additional lateral protection. This difference does not affect electrical performance but may impact connector mating force and insertion angle in applications with specific mechanical constraints.

Q: Are the electrical ratings equivalent between these parts?

A: Both components support 300V UL rating. The Phoenix Contact 1704372 specifies 14.6A IEC and 10A UL current ratings. The OSTOQ077051 does not provide IEC current specification in available data. Verify current requirements against the UL rating for your application.

Q: What is the RoHS compliance difference between RoHS Compliant and ROHS3 Compliant?

A: Both designations indicate lead-free, halogen-free construction compliant with RoHS directives. ROHS3 represents the current iteration of the standard. Both parts meet modern supply chain requirements.

Q: Are there other substitutes available for the Phoenix Contact 1704372?

A: The provided substitute list identifies OSTOQ077051 as the primary equivalent. Additional cross-references (1759062, 1754533) are listed within the OSTOQ series but are not detailed in the current dataset.

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