CS1005B Current Sensor Equivalent & Substitute Parts

Part Overview

The CS1005B is an open-loop current sensor manufactured by CUI Devices, designed for AC current measurement applications. This module provides bidirectional sensing capability with a 10A current range and ratiometric voltage output. The part is classified as Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent electrical and mechanical parameters align within the allowed specifications for this sensor category, enabling direct functional replacement in applications where current sensing range requirements permit.

Substiute Parts

CS1005B

CUI DevicesIn Stock: 839CS1005B Datasheet

Current PartRFQ

CS0305B

CUI DevicesIn Stock: 1151CS0305B Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CS1005B are identified based on strict alignment of electrical and mechanical parameters within the CSXX05B series. The substitution logic is determined by the following critical parameters:

Series Alignment: Both the main part and substitute must belong to the CSXX05B series, ensuring compatibility with the same mechanical form factor and interface specifications.

Sensor Type & Output Configuration: Open-loop topology with ratiometric voltage output must be maintained across all substitute parts.

Electrical Interface Parameters: Supply voltage range (4.75V ~ 5.25V), response time (7µs), and maximum supply current (25mA) must remain identical.

Performance Characteristics: Linearity (±0.5%), accuracy (±2.2%), and frequency response (DC ~ 40kHz) must be consistent.

Mechanical & Environmental Specifications: Through-hole mounting, module package type, operating temperature range (-10°C ~ 75°C), and bidirectional polarization must be preserved.

Regulatory Compliance: RoHS3 compliance and REACH unaffected status must be maintained.

The primary variable parameter permitting substitution is the current sensing range, which may differ based on application requirements. The CS0305B substitute part operates within a 3A current sensing range, making it suitable for applications requiring lower current measurement capacity while maintaining all other electrical and mechanical characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the CS1005B and CS0305B maintain Active product status with identical regulatory compliance certifications (RoHS3 compliant, REACH unaffected). Selection between these parts is determined by application current measurement requirements.

The CS1005B is specified for applications requiring measurement of currents up to 10A. The CS0305B operates within a 3A current sensing range and is suitable for applications with lower current measurement demands. Both parts share identical electrical interface specifications, performance characteristics, and environmental operating parameters, enabling direct substitution when current range compatibility is confirmed.

Component selection should be based on the maximum current value that requires measurement in the target application. Selecting a part with insufficient current range results in output saturation and measurement error. Selecting a part with excess current range capacity does not degrade performance but may introduce unnecessary cost or board space considerations.

Frequently Asked Questions (FAQ)

Q: Can the CS0305B substitute for the CS1005B in all applications?

A: The CS0305B can substitute for the CS1005B only in applications where the maximum measured current does not exceed 3A. Both parts share identical electrical interface, output characteristics, and performance specifications. If the application requires measurement of currents exceeding 3A, the CS0305B is not suitable.

Q: Are the mechanical packages identical between CS1005B and CS0305B?

A: Yes. Both parts use through-hole mounting with module package type, ensuring identical PCB footprint and mechanical compatibility.

Q: Do the supply voltage requirements differ between these parts?

A: No. Both the CS1005B and CS0305B require identical supply voltage of 4.75V ~ 5.25V and draw maximum supply current of 25mA.

Q: Is the output signal format the same for both parts?

A: Yes. Both parts provide ratiometric voltage output with identical linearity (±0.5%), accuracy (±2.2%), and response time (7µs).

Q: What is the frequency response capability of both sensors?

A: Both the CS1005B and CS0305B support frequency response from DC to 40kHz, enabling measurement of AC and DC current components within this bandwidth.

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

A: No. Both parts maintain identical RoHS3 compliance and REACH unaffected status, suitable for equivalent regulatory environments.

Q: Can these parts be used interchangeably in existing designs?

A: Interchangeability is limited to applications where current measurement range requirements align with the CS0305B 3A specification. Existing designs specified for 10A measurement require the CS1005B.