OSTHM154081 Equivalent & Substitute Parts

Part Overview

The OSTHM154081 is a 15-position wire-to-board terminal block manufactured by On Shore Technology Inc., designed for vertical mounting with 0.300" (7.62mm) pitch spacing. This component features press-fit termination and is rated for 8A at 250V, supporting wire gauges from 12-28 AWG. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

OSTHM154081

On Shore Technology Inc.In Stock: 1168OSTHM154081 Datasheet

Current PartRFQ

HM1540810000G

Amphenol AnytekIn Stock: 1079HM1540810000G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the OSTHM154081 is determined by strict alignment of the following critical parameters:

• Position Count & Pitch: 15 positions at 0.300" (7.62mm) spacing (non-negotiable for PCB layout compatibility)
• Mating Orientation: Vertical with Board configuration
• Current & Voltage Ratings: Minimum 8A at 250V (substitute may exceed these values)
• Wire Gauge Compatibility: 12-28 AWG support
• Wire Termination Type: Screwless push-in spring mechanism
• Mounting Technology: Press-fit capability for PCB integration
• Regulatory Compliance: ROHS3 and REACH status alignment

The substitute part HM1540810000G from Amphenol Anytek meets all critical substitution criteria while offering enhanced specifications in voltage rating and operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

The HM1540810000G from Amphenol Anytek is a direct functional substitute for the obsolete OSTHM154081. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for applications requiring environmental standards adherence.

The substitute part offers enhanced electrical performance with 300V rating versus the original 250V specification, and extends the operating temperature range to -40°C ~ 115°C compared to the original -30°C ~ 105°C. These improvements provide additional design margin without compromising original application requirements.

The HM1540810000G supports both through-hole and press-fit mounting options, providing installation flexibility. The tin-plated brass contact material in the substitute enhances corrosion resistance compared to the unplated brass in the original component.

Product status transition from obsolete to active ensures long-term availability and supply chain stability for ongoing production and field replacement scenarios.

Frequently Asked Questions (FAQ)

Q: Can HM1540810000G be used as a direct replacement for OSTHM154081 in existing PCB designs?

A: Yes. Both components share identical pitch (0.300"), position count (15), mating orientation (vertical with board), and wire termination characteristics. PCB footprints designed for OSTHM154081 are compatible with HM1540810000G when using press-fit mounting.

Q: What is the difference between press-fit and through-hole mounting options offered by HM1540810000G?

A: Press-fit mounting uses mechanical interference to secure the component to plated PCB holes without solder, matching the original OSTHM154081 installation method. Through-hole mounting allows solder-based attachment. Both mounting methods are available on HM1540810000G, providing installation flexibility.

Q: Are there any electrical performance differences between the original and substitute part?

A: The substitute HM1540810000G exceeds original specifications in voltage rating (300V vs. 250V) and operating temperature range (-40°C ~ 115°C vs. -30°C ~ 105°C). Current rating (8A) and wire gauge support (12-28 AWG) remain identical. These enhancements provide additional design margin without affecting compatibility.

Q: Does the tin plating on HM1540810000G contacts affect compatibility?

A: No. Tin plating on brass contacts enhances corrosion resistance and is a standard upgrade in terminal block manufacturing. This does not affect electrical or mechanical compatibility with the original component specifications.

Q: What is the inventory status for HM1540810000G?

A: HM1540810000G is currently in active production status with 978 pieces available in new original condition, ensuring supply availability for both new designs and field replacement applications.