OSTHM059081 Terminal Block - Equivalent & Substitute Parts

Part Overview

The OSTHM059081 is a 5-position wire-to-board terminal block manufactured by On Shore Technology Inc., designed for vertical mounting with 7.5mm pitch spacing. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing production and maintenance applications. The terminal block accommodates wire gauges from 12-28 AWG with a rated current of 8A at 250V, utilizing screwless push-in spring termination for reliable wire connections.

Substiute Parts

OSTHM059081

On Shore Technology Inc.In Stock: 992OSTHM059081 Datasheet

Current PartRFQ

HM0590810000G

Amphenol AnytekIn Stock: 878HM0590810000G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OSTHM059081 is determined by strict equivalence across the following critical parameters:

• Electrical Specifications: Current rating (8A), voltage rating (250V), and wire gauge compatibility (12-28 AWG) must remain identical
• Physical Configuration: 5 positions per level with 0.295" (7.50mm) pitch spacing and vertical board orientation are non-negotiable
• Termination Method: Screwless push-in spring wire termination must be maintained
• Material Compatibility: Thermoplastic housing with brass contacts and stainless steel clamp material ensure mechanical and electrical performance
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status must be preserved

The substitute part HM0590810000G from Amphenol Anytek meets all these criteria while offering active product status and extended operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

The HM0590810000G from Amphenol Anytek is the direct functional equivalent for OSTHM059081 applications. Selection of this substitute is supported by:

• Regulatory Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring compatibility with current environmental standards
• Active Product Status: HM0590810000G is actively manufactured, providing supply chain continuity and long-term availability compared to the obsolete OSTHM059081
• Enhanced Operating Range: The substitute offers extended temperature capability (-40°C ~ 115°C versus -30°C ~ 105°C), providing additional thermal margin for demanding applications
• Identical Electrical and Mechanical Specifications: All critical parameters including current, voltage, pitch, positions, and termination method are preserved
• Mounting Flexibility: The HM0590810000G supports both through-hole and press-fit mounting, accommodating various PCB design requirements

Frequently Asked Questions (FAQ)

Q: Can HM0590810000G be used as a direct replacement for OSTHM059081?

A: Yes. Both parts share identical electrical ratings (8A, 250V), physical configuration (5 positions, 7.5mm pitch), wire gauge compatibility (12-28 AWG), and termination method (screwless push-in spring). The substitute maintains all regulatory certifications and material specifications required for functional equivalence.

Q: What is the difference in mounting type between these parts?

A: OSTHM059081 is specified as press-fit only, while HM0590810000G supports both through-hole and press-fit mounting. This additional flexibility in HM0590810000G does not affect compatibility with existing press-fit PCB designs.

Q: Does the tin plating on HM0590810000G contacts affect compatibility?

A: No. Tin plating on brass contacts is a standard enhancement that improves corrosion resistance and solderability. This does not alter the electrical or mechanical interface with the wire termination system.

Q: Are there any temperature-related limitations when substituting?

A: The HM0590810000G operates across a wider temperature range (-40°C ~ 115°C) compared to OSTHM059081 (-30°C ~ 105°C). This provides additional thermal margin and does not introduce any compatibility constraints for applications within the original part's temperature specification.

Q: Do both parts maintain the same regulatory compliance?

A: Yes. Both OSTHM059081 and HM0590810000G are ROHS3 compliant and REACH unaffected, ensuring compatibility with current environmental and safety regulations.