CS1005U Current Sensor Equivalent & Substitute Parts

Part Overview

The CS1005U is an active current sensor manufactured by CUI Devices designed for AC current measurement applications. This open-loop, unidirectional current sensor module provides ratiometric voltage output with a 10A sensing range and operates across a frequency spectrum from DC to 40kHz. The device is classified as Active product status and maintains full compliance with ROHS3 and REACH standards. Substitute parts are identified when equivalent electrical and mechanical parameters align with application requirements, allowing for component interchangeability in circuit designs where the primary sensing specifications remain constant.

Substiute Parts

CS1005U

CUI DevicesIn Stock: 953CS1005U Datasheet

Current PartRFQ

CS0505U

CUI DevicesIn Stock: 939CS0505U Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CS1005U is determined by alignment across the following critical parameters: sensor type classification (Open Loop), output configuration (Ratiometric Voltage), frequency response capability (DC ~ 40kHz), supply voltage range (4.75V ~ 5.25V), response time (7µs), linearity tolerance (±0.5%), accuracy specification (±4.2%), polarization method (Unidirectional), mounting configuration (Through Hole), package type (Module), and series designation (CSXX05U).

The CS0505U qualifies as a parametric equivalent within the CSXX05U series. This substitute maintains identical electrical characteristics across sensor type, output configuration, frequency response, supply voltage, response time, linearity, accuracy, polarization, mounting type, and package classification. The primary distinction between these components is the current sensing range: the CS1005U provides 10A sensing capacity while the CS0505U provides 5A sensing capacity. This difference establishes a unidirectional substitution relationship where the CS0505U functions as an equivalent only in applications requiring current measurement within the 5A maximum range.

Parameter Comparison

Engineering Selection Recommendations

Both the CS1005U and CS0505U maintain Active product status classification, ensuring continued manufacturing support and availability. Both components satisfy ROHS3 compliance requirements and REACH regulatory standards, making them suitable for applications subject to environmental and hazardous substance restrictions.

Selection between these components is determined by application current measurement requirements. The CS1005U is specified for applications requiring measurement of currents up to 10A. The CS0505U is specified for applications requiring measurement of currents up to 5A. When the maximum current to be measured in an application does not exceed 5A, the CS0505U provides equivalent functionality with identical electrical performance characteristics. When the application requires measurement capability beyond 5A up to 10A, the CS1005U is the appropriate selection.

Both components share identical supply voltage requirements, frequency response characteristics, response time specifications, and thermal operating ranges, ensuring seamless integration into circuit designs where current sensing range permits substitution.

Frequently Asked Questions (FAQ)

Q: Can the CS0505U substitute for the CS1005U in all applications?

A: The CS0505U functions as an equivalent substitute only in applications where the maximum current to be measured does not exceed 5A. The CS0505U is rated for 5A sensing while the CS1005U is rated for 10A sensing. Applications requiring current measurement between 5A and 10A require the CS1005U.

Q: Are the electrical output characteristics identical between CS1005U and CS0505U?

A: Yes. Both components provide ratiometric voltage output with identical linearity (±0.5%), accuracy (±4.2%), frequency response (DC ~ 40kHz), response time (7µs), and supply voltage requirements (4.75V ~ 5.25V). The output scaling differs proportionally to the current sensing range.

Q: Do both parts require identical mounting and PCB layout considerations?

A: Yes. Both the CS1005U and CS0505U utilize Through Hole mounting configuration and Module package type. PCB layout and mounting procedures are identical between these components.

Q: Are there compliance or regulatory differences between these parts?

A: No. Both the CS1005U and CS0505U maintain identical ROHS3 compliance status and REACH regulatory classification. Both components are classified as Active products with equivalent environmental and hazardous substance certifications.

Q: What is the primary technical difference between CS1005U and CS0505U?

A: The primary difference is current sensing range. The CS1005U provides 10A sensing capacity while the CS0505U provides 5A sensing capacity. All other electrical, mechanical, and regulatory parameters are identical.

Q: Can the CS1005U substitute for the CS0505U?

A: The CS1005U is not a substitute for the CS0505U. While the CS1005U provides higher current sensing capability, substitution in the reverse direction introduces unnecessary cost and component complexity when 5A sensing capacity is sufficient for the application.