OSTEX040000 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The OSTEX040000 is a 4-position terminal block header manufactured by On Shore Technology Inc., designed for vertical solder mounting applications. This component features male pins with partial shroud protection and operates across a temperature range of -30°C to 105°C with a rated voltage of 300V UL. The part maintains active product status with 723 units currently in stock.

Terminal block headers are essential interconnection components in industrial control systems, power distribution modules, and signal routing applications. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and access to alternative sourcing options when the primary component becomes unavailable or when design requirements necessitate enhanced electrical or mechanical specifications.

Substiute Parts

OSTEX040000

On Shore Technology Inc.In Stock: 802OSTEX040000 Datasheet

Current PartRFQ

1838230000

WeidmüllerIn Stock: 66681838230000 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the OSTEX040000 is determined by the following critical parameters:

Position Count & Pitch Compatibility: The substitute part must maintain 4 positions with pitch specifications within acceptable mechanical tolerance. The OSTEX040000 operates at 0.197" (5.00mm) pitch; the substitute part 1838230000 operates at 0.200" (5.08mm) pitch, representing a 0.03mm variance that falls within standard PCB layout tolerance for terminal block applications.

Electrical Ratings: Both parts must meet or exceed the 300V UL voltage requirement. The substitute part 1838230000 provides 300V UL rating, matching the primary specification.

Mounting & Orientation: Both components feature vertical orientation and solder-based termination, ensuring mechanical and electrical compatibility within the same application footprint.

Temperature Operating Range: The substitute part operates across -50°C to 100°C, which encompasses the primary part's -30°C to 105°C range within acceptable overlap for most industrial applications.

Regulatory Compliance: Both parts maintain RoHS compliance status and REACH unaffected designation, satisfying modern electronics manufacturing directives.

Parameter Comparison

Engineering Selection Recommendations

Both the OSTEX040000 and 1838230000 maintain active product status with established supply availability. The primary part offers RoHS3 compliance, representing the most current regulatory standard. The substitute part provides RoHS compliance with enhanced shrouding (4-side) and superior insulation height (0.472" vs. 0.130"), offering increased creepage distance and mechanical protection in applications requiring additional isolation.

The pitch variance of 0.03mm between components requires PCB layout verification to confirm compatibility with existing footprints. The substitute part's through-hole mounting contrasts with the primary part's solder mounting, necessitating assembly process evaluation.

Selection between these components should be based on specific application requirements regarding shroud configuration, mounting methodology, and thermal operating envelope overlap.

Frequently Asked Questions (FAQ)

Q: Can the 1838230000 directly replace the OSTEX040000 on existing PCBs?

A: Direct replacement requires PCB layout verification. The pitch difference of 0.03mm (5.00mm vs. 5.08mm) may exceed existing pad tolerances. Additionally, the mounting type differs (solder vs. through-hole), requiring assembly process compatibility assessment.

Q: What are the key differences in shroud design between these parts?

A: The OSTEX040000 features partial shroud protection, while the 1838230000 provides full 4-side shrouding. The substitute part's increased insulation height (0.472" vs. 0.130") provides greater creepage distance and mechanical protection, beneficial in high-voltage or densely populated applications.

Q: Are both parts compliant with current regulatory standards?

A: Both parts maintain RoHS compliance and REACH unaffected status. The OSTEX040000 achieves RoHS3 compliance, representing the most current standard. Both parts satisfy modern electronics manufacturing directives.

Q: How do the operating temperature ranges compare?

A: The OSTEX040000 operates from -30°C to 105°C, while the 1838230000 operates from -50°C to 100°C. The ranges overlap from -30°C to 100°C. Applications requiring operation above 100°C must use the primary part; applications requiring operation below -30°C must use the substitute part.

Q: What is the significance of the housing material difference?

A: The OSTEX040000 uses brass housing, while the 1838230000 uses liquid crystal polymer (LCP) with glass filling. LCP provides superior electrical insulation properties and dimensional stability, while brass offers enhanced thermal conductivity and mechanical durability in high-vibration environments.

Q: Are there current rating differences between these components?

A: The OSTEX040000 does not specify IEC or UL current ratings in the provided data. The 1838230000 provides 27.5A IEC and 18.5A UL ratings. Applications requiring specific current handling capacity should reference the substitute part's electrical specifications.