Phoenix Contact 1944796 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1944796 is a 3-position terminal block header with male pins, shrouded on 4 sides, featuring 90° right-angle through-hole mounting and 5.00mm pitch. This component is part of the COMBICON MSTBA series and maintains active product status. Substitute parts are necessary to address supply chain flexibility, regional availability, or specific application requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	1944796
Manufacturer	Phoenix Contact
Category	Terminal Blocks
Number of Positions	3
Pitch	0.197" (5.00mm)
Header Orientation	90°, Right Angle
Type	Header, Male Pins, Shrouded (4 Side)
Mounting Type	Through Hole
Termination Style	Solder
Current - UL	15 A
Voltage - UL	300 V
Material Flammability Rating	UL94 V-0
Housing Material	Polybutylene Terephthalate (PBT)
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following critical parameters:

Number of Positions: Must be 3
Header Orientation: Must be 90°, Right Angle
Type: Must be Header, Male Pins, Shrouded (4 Side)
Mounting Type: Must be Through Hole or compatible solder mounting
Pitch: 0.197" (5.00mm) or 0.200" (5.08mm) are mechanically compatible within standard PCB tolerances
Voltage - UL: Minimum 300 V
Material Flammability Rating: UL94 V-0
RoHS Status: ROHS3 Compliant

The substitute parts listed below meet these criteria and are therefore electrically and mechanically interchangeable with the Phoenix Contact 1944796 in standard applications.

Parameter Comparison

Parameter	Phoenix Contact 1944796	Würth Elektronik 691313510003	Amphenol Anytek OQ0354510000G	Amphenol Anytek OQ0371510000G	On Shore Technology OSTOQ035451
Number of Positions	3	3	3	3	3
Pitch	0.197" (5.00mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.197" (5.00mm)	0.200" (5.08mm)
Header Orientation	90°, Right Angle	90°, Right Angle	90°, Right Angle	90°, Right Angle	90°, Right Angle
Type	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Solder
Termination Style	Solder	Solder	Solder	Solder	Not Specified
Current - UL	15 A	20 A	12 A	12 A	Not Specified
Voltage - UL	300 V	300 V	300 V	300 V	300 V
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	Not Specified
Housing Material	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Thermoplastic Resin	Thermoplastic Resin	Thermoplastic
Contact Tail Length	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)	0.157" (4.00mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment with the Phoenix Contact 1944796.

Würth Elektronik 691313510003: Offers higher current capacity (20 A UL) and specified operating temperature range (-40°C to 105°C). Pitch tolerance of 0.200" (5.08mm) is within standard PCB manufacturing tolerances relative to the 5.00mm specification.

Amphenol Anytek OQ0354510000G: Provides extended operating temperature range (-40°C to 115°C) and highest inventory availability (17,918 pcs). Pitch specification of 0.200" (5.08mm) is mechanically compatible. Current rating of 12 A meets or exceeds typical application requirements.

Amphenol Anytek OQ0371510000G: Maintains exact pitch specification of 0.197" (5.00mm), matching the Phoenix Contact 1944796 precisely. Extended operating temperature range (-40°C to 115°C) and active product status support long-term deployment.

On Shore Technology OSTOQ035451: Meets voltage and compliance requirements. Contact tail length of 0.157" (4.00mm) differs from the standard 0.138" (4.60mm), requiring PCB layout verification before selection.

Frequently Asked Questions (FAQ)

Q: Can I substitute a 5.08mm pitch part for the 5.00mm Phoenix Contact 1944796?

A: Yes. The 0.008" (0.08mm) pitch difference is within standard PCB manufacturing tolerances (typically ±0.010"). Both Würth Elektronik 691313510003, Amphenol Anytek OQ0354510000G, and On Shore Technology OSTOQ035451 are mechanically compatible with 5.00mm pitch PCB layouts.

Q: What is the difference between the two Amphenol Anytek options?

A: OQ0354510000G uses 0.200" (5.08mm) pitch, while OQ0371510000G uses 0.197" (5.00mm) pitch. Both share identical electrical ratings and operating temperature ranges. Select OQ0371510000G for exact pitch matching with the original specification.

Q: Does the On Shore Technology OSTOQ035451 have a different contact tail length?

A: Yes. OSTOQ035451 specifies 0.157" (4.00mm) contact tail length compared to the standard 0.138" (4.60mm) on all other parts. This difference requires PCB hole depth and solder pad design verification before implementation.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, ensuring regulatory alignment with the Phoenix Contact 1944796 across all markets.

Q: Which substitute offers the highest current capacity?

A: Würth Elektronik 691313510003 provides 20 A UL current rating, exceeding the Phoenix Contact 1944796 specification of 15 A.

Q: Can I use these substitutes interchangeably on the same PCB?

A: Substitution depends on pitch tolerance and contact tail length. Parts with 5.08mm pitch (691313510003, OQ0354510000G, OSTOQ035451) are compatible with 5.00mm PCB layouts within standard tolerances. OQ0371510000G matches the exact 5.00mm pitch. OSTOQ035451 requires PCB design verification due to its 0.157" contact tail length.

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