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CS0512B Current Sensor Equivalent & Substitute Parts
Part Overview
The CS0512B is an active current sensor manufactured by CUI Devices designed for AC current measurement applications. This open-loop, bidirectional current sensor module provides ratiometric voltage output with a 5A sensing range and operates from a +12V supply. The device is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters align with application requirements, allowing for component interchangeability within specified operational constraints.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | CS0512B |
| Manufacturer | CUI Devices |
| Series | CSXX12B |
| Sensor Type | Open Loop |
| Current - Sensing | 5A |
| Number of Channels | 1 |
| Output Type | Ratiometric, Voltage |
| Frequency Range | DC ~ 40kHz |
| Linearity | ±0.5% |
| Accuracy | ±4.2% |
| Voltage - Supply | 11.4V ~ 12.6V |
| Response Time | 3µs |
| Current - Supply (Max) | 25mA |
| Operating Temperature | -10°C ~ 75°C |
| Polarization | Bidirectional |
| Mounting Type | Through Hole |
| Package / Case | Module |
| RoHS Status | ROHS3 Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute parts for the CS0512B are identified based on strict parametric alignment within the CSXX12B series. The primary substitution criterion is membership in the same product series with identical electrical interface characteristics: open-loop sensor topology, ratiometric voltage output, single-channel configuration, DC to 40kHz frequency response, ±0.5% linearity, ±4.2% accuracy, 11.4V to 12.6V supply voltage, 3µs response time, 25mA maximum supply current, bidirectional polarization, and through-hole mounting. The key differentiating parameter is current sensing range. The CS0312B operates with a 3A sensing range, making it suitable for applications requiring lower current measurement thresholds while maintaining all other electrical and mechanical specifications identical to the CS0512B.
Parameter Comparison
| Parameter | CS0512B (Main Part) | CS0312B (Substitute) |
|---|---|---|
| Manufacturer Part Number | CS0512B | CS0312B |
| Manufacturer | CUI Devices | CUI Devices |
| Series | CSXX12B | CSXX12B |
| Sensor Type | Open Loop | Open Loop |
| Current - Sensing | 5A | 3A |
| Number of Channels | 1 | 1 |
| Output Type | Ratiometric, Voltage | Ratiometric, Voltage |
| Frequency Range | DC ~ 40kHz | DC ~ 40kHz |
| Linearity | ±0.5% | ±0.5% |
| Accuracy | ±4.2% | ±4.2% |
| Voltage - Supply | 11.4V ~ 12.6V | 11.4V ~ 12.6V |
| Response Time | 3µs | 3µs |
| Current - Supply (Max) | 25mA | 25mA |
| Operating Temperature | -10°C ~ 75°C | -10°C ~ 75°C |
| Polarization | Bidirectional | Bidirectional |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Module | Module |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the CS0512B and CS0312B maintain Active product status with ROHS3 compliance and REACH unaffected designation. Selection between these parts is determined by the maximum current measurement requirement of the application. The CS0512B is specified for applications requiring measurement of currents up to 5A, while the CS0312B is specified for applications requiring measurement of currents up to 3A. Both parts share identical electrical interface characteristics, supply voltage requirements, frequency response, accuracy specifications, and thermal operating range. Component selection must be based on whether the application current measurement range aligns with the 3A or 5A sensing specification. Substitution of the CS0312B for the CS0512B is valid only when the measured current does not exceed 3A. Substitution of the CS0512B for the CS0312B is valid for all applications within the 3A measurement range.
Frequently Asked Questions (FAQ)
Q: Can the CS0312B substitute for the CS0512B in all applications?
A: The CS0312B can substitute for the CS0512B only in applications where the measured current does not exceed 3A. The CS0312B has a lower current sensing range (3A versus 5A). If the application requires measurement of currents between 3A and 5A, the CS0512B must be used.
Q: Can the CS0512B substitute for the CS0312B?
A: Yes. The CS0512B can substitute for the CS0312B in all applications. The CS0512B has a higher current sensing range (5A versus 3A) and maintains all other electrical and mechanical specifications identical to the CS0312B.
Q: Are the output voltage characteristics identical between CS0512B and CS0312B?
A: Both parts provide ratiometric voltage output with identical linearity (±0.5%) and accuracy (±4.2%) specifications. The output voltage scaling differs based on the current sensing range, with the CS0312B providing full-scale output at 3A and the CS0512B providing full-scale output at 5A.
Q: Do both parts have the same mounting and package specifications?
A: Yes. Both the CS0512B and CS0312B use through-hole mounting with module package type and are supplied in tray packaging.
Q: What is the frequency response capability of both parts?
A: Both the CS0512B and CS0312B operate across the DC to 40kHz frequency range with identical 3µs response time.
Q: Are there any compliance or regulatory differences between these parts?
A: No. Both parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS coding (9030.33.3400).
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