CTX100-1 Equivalent & Substitute Parts Reference

Part Overview

The CTX100-1 is an unshielded 2-coil inductor array manufactured by Eaton - Electronics Division in the OCTA-PAC® series. This surface mount component provides dual inductance configurations: 396.9 µH in series connection and 99.23 µH in parallel connection, with a maximum DC resistance of 784 mOhm in parallel configuration. The CTX100-1 is classified as obsolete product status, necessitating identification of active equivalent components for new designs and ongoing production requirements. The primary substitute maintains identical electrical and mechanical specifications while offering improved product lifecycle status and regulatory compliance.

Substiute Parts

CTX100-1

Eaton - Electronics DivisionIn Stock: 895CTX100-1 Datasheet

Current PartRFQ

CTX100-1-R

Eaton - Electronics DivisionIn Stock: 3189CTX100-1-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CTX100-1 with the CTX100-1-R is based on strict equivalence of electrical and mechanical parameters. Both components share identical specifications across all critical functional criteria:

Electrical Equivalence Parameters:

• Inductance values in both series and parallel configurations
• DC resistance specifications for both connection modes
• Current rating specifications
• Inductance tolerance
• Operating temperature range

Mechanical Equivalence Parameters:

• Surface mount mounting type
• Physical dimensions and height
• Nonstandard package classification
• Moisture sensitivity level

Substitution Basis: The CTX100-1-R functions as a direct equivalent to the CTX100-1 because all electrical performance parameters and mechanical form factors are identical. The primary distinction between these components is packaging format and product lifecycle status. The CTX100-1-R is supplied in Tape & Reel (TR) packaging and maintains active product status, whereas the CTX100-1 is obsolete and supplied in standard packaging.

Parameter Comparison

Engineering Selection Recommendations

For New Designs: The CTX100-1-R is the appropriate selection for new circuit designs. This component maintains active product status with Eaton - Electronics Division, ensuring long-term availability and supply chain continuity. The CTX100-1-R provides RoHS3 compliance, meeting current regulatory requirements for electronic component manufacturing and distribution.

For Existing Inventory Management: The CTX100-1 remains functionally equivalent to the CTX100-1-R across all electrical and mechanical parameters. Existing stock of CTX100-1 components can be utilized in applications where RoHS non-compliance does not present regulatory constraints. However, transition to CTX100-1-R is recommended for production continuity given the obsolete status of the CTX100-1.

Packaging Considerations: The CTX100-1-R is supplied in Tape & Reel (TR) format, which is standard for automated assembly operations. If the original CTX100-1 was supplied in alternative packaging, assembly process parameters may require adjustment to accommodate the TR format. Physical dimensions and mounting characteristics remain identical, requiring no PCB layout modifications.

Compliance and Certification: The CTX100-1-R carries RoHS3 compliance certification, whereas the CTX100-1 is RoHS non-compliant. Both components share identical ECCN (EAR99) and HTSUS (8504.50.4000) classifications. Selection between these components should account for end-product regulatory requirements and customer compliance specifications.

Frequently Asked Questions (FAQ)

Q: Can CTX100-1-R be used as a direct replacement for CTX100-1 in existing assemblies?

A: Yes. The CTX100-1-R is electrically and mechanically equivalent to the CTX100-1. All inductance values, current ratings, DC resistance specifications, operating temperature range, physical dimensions, and mounting characteristics are identical. The components are interchangeable from a functional standpoint.

Q: What is the primary difference between CTX100-1 and CTX100-1-R?

A: The primary differences are packaging format and product lifecycle status. The CTX100-1-R is supplied in Tape & Reel (TR) packaging and maintains active product status. The CTX100-1 is obsolete and supplied in standard packaging. Additionally, the CTX100-1-R is RoHS3 compliant while the CTX100-1 is RoHS non-compliant.

Q: Does the Tape & Reel packaging of CTX100-1-R affect circuit performance?

A: No. Tape & Reel packaging is a supply format used for automated assembly operations. It does not affect the electrical performance or mechanical characteristics of the component itself. The component specifications remain identical regardless of packaging format.

Q: Are there any PCB layout modifications required when switching from CTX100-1 to CTX100-1-R?

A: No. Both components share identical physical dimensions (11.43 × 11.43 × 4.19 mm) and surface mount mounting type. PCB footprints and layout designs remain unchanged. Assembly process parameters may require adjustment to accommodate Tape & Reel feeding systems if not previously used.

Q: What is the significance of RoHS3 compliance on the CTX100-1-R?

A: RoHS3 compliance indicates that the CTX100-1-R meets current regulatory requirements for restricted hazardous substances in electrical and electronic equipment. This certification is required for products sold in regulated markets. The CTX100-1 does not carry this certification, which may restrict its use in certain applications or geographic regions.

Q: Can both components be used interchangeably in series and parallel configurations?

A: Yes. Both the CTX100-1 and CTX100-1-R provide identical inductance values in series configuration (396.9 µH) and parallel configuration (99.23 µH), with matching current ratings and DC resistance specifications for each configuration. Configuration selection depends on circuit requirements, not component selection.

Q: What inventory considerations apply when transitioning from CTX100-1 to CTX100-1-R?

A: The CTX100-1 is classified as obsolete, indicating limited future availability. The CTX100-1-R maintains active product status with ongoing manufacturing and distribution. For production continuity and supply chain reliability, transition to CTX100-1-R is recommended. Existing CTX100-1 inventory can be utilized concurrently during transition periods.