OSTH413505C Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The OSTH413505C is a 13-position terminal block plug manufactured by On Shore Technology Inc., featuring female sockets with 0.200" (5.08mm) pitch spacing. This component is designed for free-hanging (in-line) applications with screwless push-in spring termination. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance, repair, and component sourcing.

Key Parameters

Parameter	OSTH413505C
Manufacturer	On Shore Technology Inc.
Category	Terminal Blocks
Type	Plug, Female Sockets
Number of Positions	13
Pitch	0.200" (5.08mm)
Mounting Type	Free Hanging (In-Line)
Termination Style	Screwless - Leg Spring, Push-In Spring
Wire Gauge Range	12-26 AWG
Voltage - UL	300 V
Operating Temperature	-30°C ~ 105°C
Contact Mating Finish	Tin
Material Flammability Rating	UL94 V-0
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the OSTH413505C is based on strict alignment of the following critical parameters:

Position Count & Pitch: Both parts must maintain 13 positions at 0.200" (5.08mm) pitch to ensure mechanical and electrical compatibility with mating connectors
Connector Type: Both must be plug-type connectors with female sockets for direct replacement
Mounting Configuration: Both must support free-hanging (in-line) mounting without additional hardware
Termination Method: Both must utilize screwless push-in spring termination for wire insertion
Electrical Ratings: Substitute must meet or exceed the 300 V UL rating and support 12-26 AWG wire gauge
Flammability & Compliance: Substitute must maintain UL94 V-0 material rating and RoHS compliance

The Phoenix Contact 1975370 satisfies all substitution criteria as a direct functional equivalent.

Parameter Comparison

Parameter	OSTH413505C	1975370 (Phoenix Contact)	Compatibility
Number of Positions	13	13	Match
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	Match
Type	Plug, Female Sockets	Plug, Female Sockets	Match
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Match
Termination Style	Screwless - Leg Spring, Push-In Spring	Screwless - Leg Spring, Push-In Spring	Match
Wire Gauge Range	12-26 AWG	12-26 AWG	Match
Voltage - UL	300 V	300 V	Match
Contact Mating Finish	Tin	Tin	Match
Material Flammability Rating	UL94 V-0	UL94 V-0	Match
RoHS Status	ROHS3 Compliant	RoHS Compliant	Match
Product Status	Obsolete	Active	Substitute is actively manufactured

Engineering Selection Recommendations

The Phoenix Contact 1975370 is the qualified substitute for the obsolete OSTH413505C based on the following engineering criteria:

Mechanical Compatibility: Both connectors share identical position count (13), pitch spacing (5.08mm), and mounting configuration (free-hanging in-line). The 1975370 maintains the same screwless push-in spring termination method, ensuring wire insertion and retention compatibility.

Electrical Equivalence: The 1975370 meets the 300 V UL voltage requirement and supports the full 12-26 AWG wire gauge range specified for the original part. The tin contact mating finish ensures consistent electrical performance.

Regulatory Compliance: Both parts maintain UL94 V-0 material flammability rating. The 1975370 carries active RoHS compliance, meeting current regulatory standards for new component sourcing.

Product Availability: The OSTH413505C is obsolete with no ongoing manufacturing. The 1975370 is actively produced by Phoenix Contact, ensuring long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 1975370 directly replace the OSTH413505C in existing assemblies?

A: Yes. Both connectors share identical position count, pitch, mounting type, and termination method. The 1975370 is mechanically and electrically compatible for direct substitution in applications requiring 13-position, 5.08mm pitch terminal block plugs with push-in spring termination.

Q: Are there any differences in wire gauge compatibility?

A: No. Both parts support 12-26 AWG wire gauge range. Wire insertion and retention characteristics remain consistent between the two connectors.

Q: What is the significance of the 180° plug wire entry specification for the 1975370?

A: The 180° wire entry angle describes the orientation at which wires enter the connector body. This is a design feature of the 1975370 and does not affect compatibility with mating connectors or wire gauge acceptance. The original OSTH413505C does not specify wire entry angle in the provided data.

Q: Do both connectors meet current regulatory requirements?

A: The OSTH413505C carries ROHS3 compliance. The 1975370 carries current RoHS compliance. Both maintain UL94 V-0 flammability rating. For new designs or long-term sourcing, the 1975370 is recommended due to its active product status and current regulatory certifications.

Q: Is the color difference between the parts significant?

A: The OSTH413505C color is not specified in the available data. The 1975370 is green. Color is a visual identifier and does not affect electrical or mechanical function. Component selection should be based on the specified electrical and mechanical parameters.

Q: What is the moisture sensitivity level for both parts?

A: Both the OSTH413505C and 1975370 carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage or handling.

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