OSTE2241100 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The OSTE2241100 is a 24-position terminal block plug manufactured by On Shore Technology Inc., featuring female sockets with 0.138" (3.50mm) pitch spacing and screw-type rising cage clamp termination. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations.

The primary reason for identifying substitute parts is the obsolete product status of the OSTE2241100. Active equivalent components with identical or compatible electrical and mechanical specifications ensure design continuity and supply chain reliability.

Key Parameters

Parameter	OSTE2241100 Specification
Number of Positions	24
Pitch	0.138" (3.50mm)
Type	Plug, Female Sockets
Termination Style	Screw - Rising Cage Clamp
Mounting Type	Free Hanging (In-Line)
Voltage - UL	300 V
Wire Gauge - AWG	14-28 AWG
Operating Temperature	-40°C ~ 115°C
Torque - Screw	0.2 Nm (1.7 Lb-In)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the OSTE2241100 is determined by the following critical parameters:

Position Count & Pitch: 24 positions at 0.138" (3.50mm) spacing (non-negotiable for mechanical fit)
Connector Type: Plug with female sockets (functional requirement)
Termination Method: Screw-type rising cage clamp (installation compatibility)
Mounting Configuration: Free hanging in-line orientation (board/system integration)
Electrical Ratings: Minimum 300 V UL voltage rating and wire gauge compatibility (14-28 AWG minimum support)
Environmental Compliance: RoHS compliance status and operating temperature range

The substitute part 2-284506-4 (TE Connectivity AMP Connectors, Buchanan series) meets all critical substitution criteria while maintaining active product status and enhanced compliance certifications.

Parameter Comparison

Parameter	OSTE2241100	2-284506-4	Compatibility Assessment
Number of Positions	24	24	Identical
Pitch	0.138" (3.50mm)	0.138" (3.50mm)	Identical
Type	Plug, Female Sockets	Plug, Female Sockets	Identical
Termination Style	Screw - Rising Cage Clamp	Screw - Rising Cage Clamp	Identical
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Identical
Voltage - UL	300 V	300 V	Identical
Wire Gauge - AWG	14-28 AWG	14-30 AWG	Compatible (substitute supports extended range)
Operating Temperature	-40°C ~ 115°C	-40°C ~ 110°C	Compatible (5°C difference at upper limit)
Torque - Screw	0.2 Nm (1.7 Lb-In)	0.31 Nm (2.7 Lb-In)	Compatible (higher torque specification)
RoHS Status	ROHS3 Compliant	RoHS Compliant	Compatible
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical

Engineering Selection Recommendations

The 2-284506-4 terminal block plug is a direct functional substitute for the obsolete OSTE2241100. Selection of the active substitute is justified on the following basis:

Product Status: The 2-284506-4 maintains active manufacturing status, ensuring long-term availability and supply chain continuity.
Compliance Certifications: The substitute meets RoHS compliance requirements and carries REACH affected status, indicating current regulatory alignment.
Electrical & Mechanical Compatibility: All critical parameters—position count, pitch, termination method, and voltage rating—are identical or exceed the original specification.
Wire Gauge Support: The substitute accommodates the original 14-28 AWG range with extended support to 30 AWG, providing design flexibility without compromising compatibility.
Environmental Performance: Operating temperature range (-40°C to 110°C) covers the majority of industrial applications; the 5°C reduction at the upper limit is negligible for most thermal environments.

For applications requiring the full 115°C upper temperature limit of the original part, thermal performance validation is necessary before final component selection.

Frequently Asked Questions (FAQ)

Q: Can the 2-284506-4 be used as a direct replacement for the OSTE2241100 in existing designs?

A: Yes. The 2-284506-4 is mechanically and electrically compatible with the OSTE2241100. Both components feature identical 24-position, 3.50mm pitch configurations with screw-type rising cage clamp termination. No design modifications are required for mechanical fit or electrical function.

Q: What is the significance of the wire gauge range difference (14-28 AWG vs. 14-30 AWG)?

A: The 2-284506-4 supports an extended wire gauge range that includes the original 14-28 AWG specification. This extended capability does not affect compatibility with existing wire sizes; it provides additional flexibility for future applications using smaller gauge conductors (29-30 AWG).

Q: How does the operating temperature difference affect component selection?

A: The OSTE2241100 operates to 115°C, while the 2-284506-4 operates to 110°C. For applications operating below 110°C, this difference is not a limiting factor. Applications requiring sustained operation above 110°C should evaluate thermal requirements against the substitute's specification.

Q: Are there packaging or inventory considerations for the 2-284506-4?

A: The 2-284506-4 is supplied in bulk packaging with 1,146 units in current stock, compared to the OSTE2241100's obsolete status. Bulk packaging is standard for this component category and does not affect electrical or mechanical performance.

Q: What compliance certifications apply to the 2-284506-4?

A: The 2-284506-4 is RoHS compliant and REACH affected. Both certifications align with current regulatory requirements for electronic components in industrial and commercial applications.

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