OSTH405705C Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The OSTH405705C is a 5-position terminal block plug manufactured by On Shore Technology Inc., featuring female sockets with 0.197" (5.00mm) pitch spacing and 90° wire entry orientation. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and procurement planning. The part operates within a temperature range of -30°C to 105°C and supports wire gauges from 12-26 AWG with a rated voltage of 300 V UL.

Key Parameters

Parameter	Value
Manufacturer Part Number	OSTH405705C
Manufacturer	On Shore Technology Inc.
Category	Terminal Blocks
Type	Plug, Female Sockets
Number of Positions	5
Pitch	0.197" (5.00mm)
Plug Wire Entry	90°
Termination Style	Screwless - Leg Spring, Push-In Spring
Mounting Type	Free Hanging (In-Line)
Voltage - UL	300 V
Wire Gauge - AWG	12-26 AWG
Operating Temperature	-30°C ~ 105°C
Contact Material	Phosphor Bronze
Housing Material	Thermoplastic
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the OSTH405705C is determined by strict alignment across the following critical parameters:

Core Compatibility Parameters:

Number of positions: 5
Pitch spacing: 0.197" (5.00mm)
Connector type: Plug with female sockets
Termination method: Screwless push-in spring mechanism
Mounting configuration: Free hanging (in-line)
Contact material: Phosphor bronze
Housing material: Thermoplastic
Flammability rating: UL94 V-0
Voltage rating: 300 V UL minimum
Wire gauge support: 12-26 AWG minimum

The HW0570020000G from Amphenol Anytek meets all core compatibility requirements. The primary difference is wire entry orientation (180° straight entry versus 90° angled entry on the original), which represents a mechanical accommodation variation rather than a functional incompatibility. Both parts maintain identical electrical specifications, contact materials, and termination mechanisms.

Parameter Comparison

Parameter	OSTH405705C	HW0570020000G
Manufacturer	On Shore Technology Inc.	Amphenol Anytek
Type	Plug, Female Sockets	Plug, Female Sockets
Number of Positions	5	5
Pitch	0.197" (5.00mm)	0.197" (5.00mm)
Plug Wire Entry	90°	180°
Termination Style	Screwless - Leg Spring, Push-In Spring	Screwless - Leg Spring, Push-In Spring
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
Voltage - UL	300 V	300 V
Wire Gauge - AWG	12-26 AWG	12-26 AWG
Operating Temperature	-30°C ~ 105°C	-40°C ~ 115°C
Contact Material	Phosphor Bronze	Phosphor Bronze
Housing Material	Thermoplastic	Thermoplastic
Material Flammability Rating	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The HW0570020000G qualifies as a direct functional substitute for the OSTH405705C based on electrical and mechanical parameter alignment. Both components maintain identical voltage ratings (300 V UL), wire gauge specifications (12-26 AWG), contact materials (phosphor bronze), and flammability certifications (UL94 V-0). Both are ROHS3 compliant and REACH unaffected.

The HW0570020000G offers an extended operating temperature range (-40°C to 115°C versus -30°C to 105°C), providing broader environmental tolerance. The substitute part is currently in active production status, ensuring long-term availability and supply chain continuity compared to the obsolete OSTH405705C.

The wire entry orientation difference (180° straight versus 90° angled) requires mechanical accommodation assessment within the specific application. This variation does not affect electrical performance or contact integrity but necessitates evaluation of physical space constraints and cable routing in the target assembly.

Frequently Asked Questions (FAQ)

Q: Can HW0570020000G directly replace OSTH405705C without modification?

A: Electrical and contact specifications are fully compatible. Physical installation requires assessment of the 90° to 180° wire entry orientation change. Cable routing and connector positioning must be evaluated for the specific application.

Q: Are the contact materials and termination mechanisms identical?

A: Yes. Both parts use phosphor bronze contacts with screwless push-in spring termination. Contact mating finish is tin on both components.

Q: What is the significance of the extended temperature range on HW0570020000G?

A: The HW0570020000G operates from -40°C to 115°C compared to -30°C to 105°C on the OSTH405705C. This provides additional margin for applications requiring lower minimum or higher maximum operating temperatures.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both OSTH405705C and HW0570020000G are ROHS3 compliant and REACH unaffected.

Q: What is the primary difference between these two parts?

A: Wire entry orientation. The OSTH405705C features 90° angled entry, while HW0570020000G features 180° straight entry. Electrical specifications, contact materials, and termination methods are identical.

Q: Is the HW0570020000G currently available?

A: Yes. HW0570020000G is in active production status with current inventory availability, unlike the obsolete OSTH405705C.

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