OSTHM109080 Equivalent & Substitute Parts

Part Overview

The OSTHM109080 is a 10-position wire-to-board terminal block manufactured by On Shore Technology Inc., designed for vertical PCB mounting with 7.5mm pitch spacing. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The terminal block accommodates wire gauges from 12 to 28 AWG with a rated current capacity of 8A at 250V, utilizing screwless push-in spring termination technology.

Key Parameters

Parameter	Value
Manufacturer Part Number	OSTHM109080
Manufacturer	On Shore Technology Inc.
Category	Terminal Blocks
Positions Per Level	10
Pitch	0.295" (7.50mm)
Mating Orientation	Vertical with Board
Current Rating	8 A
Voltage Rating	250 V
Wire Gauge	12-28 AWG
Mounting Type	Through Hole
Wire Termination	Screwless - Leg Spring, Push-In Spring
Operating Temperature Range	-30°C ~ 105°C
Housing Material	Thermoplastic
Contact Material	Brass
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the OSTHM109080 is determined by strict equivalence across the following critical parameters:

Position Count & Pitch: 10 positions at 0.295" (7.50mm) spacing
Electrical Ratings: 8A current capacity and 250V voltage rating
Wire Compatibility: 12-28 AWG wire gauge acceptance
Termination Method: Screwless push-in spring technology
Mounting Configuration: Through-hole vertical PCB orientation
Environmental Compliance: ROHS3 compliance and MSL 1 rating

The substitute part HM1090800000G meets all these criteria, providing functional and mechanical equivalence for direct replacement applications.

Parameter Comparison

Parameter	OSTHM109080	HM1090800000G	Compatibility
Positions Per Level	10	10	Equivalent
Pitch	0.295" (7.50mm)	0.295" (7.50mm)	Equivalent
Mating Orientation	Vertical with Board	Vertical with Board	Equivalent
Current Rating	8 A	8 A	Equivalent
Voltage Rating	250 V	250 V	Equivalent
Wire Gauge	12-28 AWG	12-28 AWG	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Wire Termination	Screwless - Leg Spring, Push-In Spring	Screwless - Leg Spring, Push-In Spring	Equivalent
Operating Temperature Range	-30°C ~ 105°C	-40°C ~ 115°C	HM1090800000G exceeds range
Housing Material	Thermoplastic	Thermoplastic	Equivalent
Contact Material	Brass	Brass - Tin Plated	Compatible
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Product Status	Obsolete	Active	Substitute is active

Engineering Selection Recommendations

The HM1090800000G manufactured by Amphenol Anytek is a direct functional equivalent for the obsolete OSTHM109080. Both components maintain identical electrical specifications, mechanical dimensions, and termination characteristics. The substitute part carries active product status with current manufacturing support, addressing the obsolescence of the original component.

Both parts maintain ROHS3 compliance and MSL 1 moisture sensitivity ratings, ensuring compatibility with standard PCB assembly and storage protocols. The HM1090800000G provides an extended operating temperature range (-40°C to 115°C versus -30°C to 105°C), offering improved thermal performance margins for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can HM1090800000G be used as a direct replacement for OSTHM109080?

A: Yes. Both components share identical position count, pitch spacing, electrical ratings, wire gauge compatibility, and termination technology. PCB footprints and mounting hole patterns are equivalent.

Q: Are there differences in contact plating between these parts?

A: The OSTHM109080 uses brass contacts, while the HM1090800000G uses brass with tin plating. Tin plating provides enhanced corrosion resistance and is compatible with standard solder reflow processes.

Q: What is the significance of the extended temperature range in HM1090800000G?

A: The substitute part operates from -40°C to 115°C compared to the original -30°C to 105°C range. This extended range provides additional thermal margin for applications subject to extreme environmental conditions.

Q: Are both parts RoHS compliant?

A: Yes. Both OSTHM109080 and HM1090800000G are ROHS3 compliant and carry MSL 1 (unlimited moisture sensitivity level) ratings.

Q: What packaging is available for the substitute part?

A: HM1090800000G is supplied in bulk packaging, with 905 pieces currently in stock.

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