OSTH404705B Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The OSTH404705B is a 4-position terminal block plug manufactured by On Shore Technology Inc., featuring female sockets with 0.197" (5.00mm) pitch spacing and free-hanging in-line mounting. This component is classified as obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations. The part operates within a 300V UL rating and supports wire gauges from 12-26 AWG, utilizing screwless push-in spring termination technology.

Substiute Parts

OSTH404705B

On Shore Technology Inc.In Stock: 977OSTH404705B Datasheet

Current PartRFQ

1910377

Phoenix ContactIn Stock: 51031910377 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OSTH404705B is determined by strict alignment of the following critical parameters:

• Position Count & Pitch: Both main and substitute parts must maintain 4 positions at 0.197" (5.00mm) pitch to ensure mechanical and electrical compatibility with mating connectors
• Socket Type: Female socket configuration is required for plug-to-receptacle interface compatibility
• Mounting Configuration: Free-hanging in-line mounting must be preserved for identical installation geometry
• Termination Method: Screwless push-in spring termination ensures compatibility with existing wire termination procedures
• Voltage Rating: Minimum 300V UL rating maintains electrical safety compliance
• Wire Gauge Support: 12-26 AWG range accommodates the same conductor sizes
• Flammability & Compliance: UL94 V-0 and ROHS3 compliance ensure regulatory equivalence

The substitute part 1910377 (Phoenix Contact COMBICON FKC series) satisfies all critical substitution criteria while offering enhanced electrical specifications and active product status.

Parameter Comparison

Engineering Selection Recommendations

The OSTH404705B is classified as obsolete, necessitating transition to an active equivalent for new procurements and long-term supply chain continuity. The substitute part 1910377 from Phoenix Contact maintains full electrical and mechanical compatibility across all critical parameters while offering the advantage of active product status and established supply availability.

Both parts comply with ROHS3 and REACH requirements, ensuring regulatory equivalence for applications subject to environmental compliance mandates. The tin contact mating finish is consistent across both parts, preserving electrical contact characteristics and corrosion resistance properties.

The Phoenix Contact 1910377 provides enhanced current ratings (12A IEC / 10A UL) compared to the OSTH404705B specification, offering superior electrical capacity within the same physical form factor and voltage envelope. This represents a direct functional upgrade suitable for replacement in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the 1910377 directly replace the OSTH404705B in existing assemblies?

A: Yes. Both parts share identical pitch (5.00mm), position count (4), socket configuration (female), mounting type (free-hanging in-line), and termination method (screwless push-in spring). Mechanical and electrical interfaces are fully compatible.

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

A: The OSTH404705B is obsolete with limited inventory, while the 1910377 is an active product with established supply. The 1910377 additionally provides higher current ratings (12A IEC / 10A UL) and includes wire strip length specification (10mm).

Q: Are there compliance differences between the two parts?

A: No. Both parts maintain UL94 V-0 flammability rating, ROHS3 compliance, and REACH unaffected status, ensuring regulatory equivalence for applications requiring environmental and safety certifications.

Q: Does the 180° plug wire entry orientation of the 1910377 affect compatibility?

A: The wire entry angle describes the connector's approach geometry during assembly but does not affect mating compatibility with standard 5.00mm pitch receptacles. Installation procedures may differ, but electrical and mechanical interface compatibility remains unchanged.

Q: What wire gauges are supported by the substitute part?

A: The 1910377 supports 12-26 AWG (0.2-2.5mm²), matching the OSTH404705B specification and accommodating the same conductor size range for termination.