OSTTJ165153 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The OSTTJ165153 is a 16-position terminal block plug manufactured by On Shore Technology Inc., featuring female sockets with 0.200" (5.08mm) pitch spacing and screw termination. This component is classified as Active product status and is designed for free-hanging (in-line) mounting applications requiring secure wire connections in industrial and control systems.

Substitute parts become necessary when the primary component experiences extended lead times, inventory constraints, or when design requirements permit alternative manufacturers meeting equivalent electrical and mechanical specifications. The parts listed below maintain functional compatibility based on matching position count, pitch, termination method, voltage/current ratings, and wire gauge compatibility.

Key Parameters

Parameter	OSTTJ165153 Specification
Number of Positions	16
Pitch	0.200" (5.08mm)
Type	Plug, Female Sockets
Termination Style	Screw
Mounting Type	Free Hanging (In-Line)
Voltage - UL	300 V
Current - UL	15 A
Wire Gauge - AWG	12-24 AWG
Wire Gauge - mm²	0.34-2.5mm²
Operating Temperature	-30°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters that must match or exceed the main part specifications:

Primary Matching Criteria:

16-position configuration
0.200" (5.08mm) pitch or 0.197" (5.00mm) pitch (within tolerance for mechanical compatibility)
Screw termination method
Free-hanging (in-line) mounting orientation
Female socket type
UL voltage rating of 300 V minimum
UL current rating of 12 A minimum
Wire gauge range compatibility with 12-24 AWG
UL94 V-0 flammability rating
ROHS3 compliance

Substitute Categories:

Category 1: Direct Pitch Match (5.08mm)

EDZ950/16 (On Shore Technology Inc.)
1781124 (Phoenix Contact COMBICON MSTBT)
TJ1651560000G (Amphenol Anytek 01-508)

Category 2: Equivalent Pitch (5.00mm tolerance)

1754724 (Phoenix Contact COMBICON MSTB)
TJ1671560000G (Amphenol Anytek 01-500)

All listed substitutes maintain the 16-position, female socket, screw-terminated, free-hanging configuration required for functional equivalence.

Parameter Comparison

Parameter	OSTTJ165153	EDZ950/16	1754724	1781124	TJ1651560000G	TJ1671560000G
Manufacturer	On Shore Technology Inc.	On Shore Technology Inc.	Phoenix Contact	Phoenix Contact	Amphenol Anytek	Amphenol Anytek
Series	OSTTJ	EDZ950	COMBICON MSTB	COMBICON MSTBT	01-508	01-500
Number of Positions	16	16	16	16	16	16
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	0.197" (5.00mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.197" (5.00mm)
Type	Plug, Female Sockets	Plug, Female Sockets	Plug, Female Sockets	Plug, Female Sockets	Plug, Female Sockets	Plug, Female Sockets
Termination Style	Screw	Screw	Screw - Rising Cage Clamp	Screw - Rising Cage Clamp	Screw - Rising Cage Clamp	Screw - Rising Cage Clamp
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Voltage - UL	300 V	300 V	300 V	300 V	300 V	300 V
Current - UL	15 A	Not specified	15 A	15 A	12 A	12 A
Wire Gauge - AWG	12-24 AWG	12-22 AWG	12-30 AWG	12-30 AWG	12-24 AWG	12-24 AWG
Wire Gauge - mm²	0.34-2.5mm²	2.5mm²	0.2-2.5mm²	0.2-2.5mm²	1-2.5mm²	1-2.5mm²
Operating Temperature	-30°C ~ 105°C	-30°C ~ 105°C	Not specified	Not specified	-40°C ~ 115°C	-40°C ~ 115°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Torque - Screw	0.56 Nm (5.0 Lb-In)	0.5 Nm (4.4 Lb-In)	0.5-0.6 Nm (4.4-5.3 Lb-In)	0.5-0.6 Nm (4.4-5.3 Lb-In)	0.56 Nm (5.0 Lb-In)	0.56 Nm (5.0 Lb-In)
Features	Retention Latches (Non-Wire Side)	Not specified	Retention Latches (Non-Wire Side)	Retention Latches (Non-Wire Side)	Retention Latches (Non-Wire Side)	Retention Latches (Non-Wire Side)

Engineering Selection Recommendations

Direct Substitutes (Preferred - Identical Pitch 5.08mm):

1754724, 1781124, and TJ1651560000G maintain the exact 0.200" (5.08mm) pitch specification of the OSTTJ165153. These parts are suitable for direct replacement in applications where the connector interface is already established for 5.08mm spacing. All three alternatives carry ROHS3 compliance and UL94 V-0 flammability certification, meeting the regulatory requirements of the original component.

Equivalent Substitutes (Pitch Tolerance 5.00mm):

1754724 and TJ1671560000G operate at 0.197" (5.00mm) pitch, representing a 0.08mm deviation from the primary specification. These parts are mechanically compatible within standard connector tolerances and are suitable for applications where pitch flexibility is permitted by the system design. Both maintain full compliance with ROHS3 and UL94 V-0 standards.

Manufacturer-Specific Considerations:

Phoenix Contact COMBICON series (1754724, 1781124) employ rising cage clamp termination, providing enhanced wire retention compared to standard screw terminals. Amphenol Anytek 01-500 and 01-508 series (TJ1671560000G, TJ1651560000G) extend the operating temperature range to -40°C ~ 115°C, offering broader environmental capability than the OSTTJ165153 specification of -30°C ~ 105°C.

EDZ950/16 represents the closest alternative from the original manufacturer (On Shore Technology Inc.), maintaining identical pitch, operating temperature, and torque specifications while preserving design continuity within the same product family.

Frequently Asked Questions (FAQ)

Q: Can I use a 5.00mm pitch connector (1754724, TJ1671560000G) as a direct replacement for the 5.08mm OSTTJ165153?

A: Yes, within standard mechanical tolerances. The 0.08mm pitch difference falls within acceptable connector interface tolerances. However, verify that your mating header or socket is designed to accommodate both pitch specifications. If your system is hard-tooled for 5.08mm spacing, confirm compatibility before substitution.

Q: What is the difference between screw termination and screw rising cage clamp termination?

A: The OSTTJ165153 uses standard screw termination, where wire insertion and screw tightening occur in the same operation. Phoenix Contact and Amphenol Anytek alternatives employ rising cage clamp technology, which automatically opens a cage mechanism during wire insertion and closes upon screw tightening, providing improved wire retention and reduced insertion force. Both methods are functionally equivalent for electrical connection.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitutes carry ROHS3 Compliant or RoHS Compliant certification. The OSTTJ165153 and all direct substitutes (EDZ950/16, 1754724, 1781124, TJ1651560000G, TJ1671560000G) meet ROHS3 requirements.

Q: Which substitute offers the widest operating temperature range?

A: TJ1651560000G and TJ1671560000G (Amphenol Anytek) extend operation to -40°C ~ 115°C, compared to the OSTTJ165153 specification of -30°C ~ 105°C. This provides an additional 10°C lower temperature capability and 10°C higher temperature capability.

Q: Can I use EDZ950/16 as a drop-in replacement?

A: Yes. EDZ950/16 is manufactured by the same company (On Shore Technology Inc.) and maintains identical pitch (5.08mm), operating temperature (-30°C ~ 105°C), and torque specifications (0.56 Nm). It is the most direct alternative within the original manufacturer's product line.

Q: What wire gauge compatibility should I verify before substitution?

A: The OSTTJ165153 accepts 12-24 AWG (0.34-2.5mm²). Verify that your wire gauge falls within the substitute part's range. EDZ950/16 accepts 12-22 AWG, which is narrower than the original. Phoenix Contact and Amphenol Anytek alternatives accept 12-30 AWG or 12-24 AWG respectively, providing equal or broader compatibility.

Q: Are retention latches present on all substitute parts?

A: Retention latches (non-wire side) are specified for OSTTJ165153, 1754724, 1781124, TJ1651560000G, and TJ1671560000G. EDZ950/16 does not specify this feature. If retention latches are critical to your application, confirm their presence before selecting EDZ950/16.

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