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HO 25-NP-0000 Equivalent & Substitute Parts
Part Overview
The HO 25-NP-0000 is a Hall Effect current sensor manufactured by LEM USA Inc., designed for AC/DC current measurement applications. This open-loop, bidirectional module provides a 25A sensing range with ratiometric voltage output and operates across industrial temperature ranges. The part is Active status and RoHS Compliant, making it suitable for modern electronic applications requiring current monitoring in power management, motor control, and industrial automation systems.
Substitute parts are necessary when application requirements differ in current-sensing range, supply voltage compatibility, or when inventory constraints require alternative configurations within the same product series.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | HO 25-NP-0000 |
| Manufacturer | LEM USA Inc. |
| Series | HO-NP-0000 |
| Sensor Type | Hall Effect, Open Loop |
| Current - Sensing | 25A |
| For Measuring | AC/DC |
| Number of Channels | 1 |
| Output Type | Ratiometric, Voltage |
| Frequency Range | DC ~ 250kHz |
| Linearity | ±0.5% |
| Accuracy | ±1% |
| Voltage - Supply | 5V |
| Response Time | 3.5µs |
| Current - Supply (Max) | 25mA |
| Operating Temperature | -40°C ~ 105°C |
| Polarization | Bidirectional |
| Mounting Type | Through Hole |
| Package / Case | Module |
| Packaging | Tray |
| Product Status | Active |
| RoHS Status | RoHS Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution within the HO-NP-0000 series is determined by three critical parameters:
1. Current-Sensing Range: The primary differentiator. Available ratings are 8A, 15A, and 25A. Selection depends on the maximum current to be measured in the application circuit.
2. Supply Voltage: Two configurations exist—5V and 3.3V variants. The supply voltage must match the available power rail in the target application. Parts designated with "/SP33" indicate 3.3V supply compatibility; unmarked parts operate at 5V.
3. Electrical and Mechanical Compatibility: All parts in this series share identical electrical characteristics (frequency response, linearity, accuracy, response time, operating temperature, polarization, and output type) and mechanical specifications (through-hole mounting, module package, tray packaging).
Parts are substitutable when the application current requirement does not exceed the sensor's rated sensing range and the supply voltage matches the available system voltage.
Parameter Comparison
| Parameter | HO 25-NP-0000 | HO 25-NP/SP33-1000 | HO 15-NP-0000 | HO 15-NP/SP33-1000 | HO 8-NP-0000 | HO 8-NP/SP33-1000 |
|---|---|---|---|---|---|---|
| Current - Sensing | 25A | 25A | 15A | 15A | 8A | 8A |
| Voltage - Supply | 5V | 3.3V | 5V | 3.3V | 5V | 3.3V |
| Sensor Type | Hall Effect, Open Loop | Hall Effect, Open Loop | Hall Effect, Open Loop | Hall Effect, Open Loop | Hall Effect, Open Loop | Hall Effect, Open Loop |
| For Measuring | AC/DC | AC/DC | AC/DC | AC/DC | AC/DC | AC/DC |
| Number of Channels | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Type | Ratiometric, Voltage | Ratiometric, Voltage | Ratiometric, Voltage | Ratiometric, Voltage | Ratiometric, Voltage | Ratiometric, Voltage |
| Frequency Range | DC ~ 250kHz | DC ~ 250kHz | DC ~ 250kHz | DC ~ 250kHz | DC ~ 250kHz | DC ~ 250kHz |
| Linearity | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
| Accuracy | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| Response Time | 3.5µs | 3.5µs | 3.5µs | 3.5µs | 3.5µs | 3.5µs |
| Current - Supply (Max) | 25mA | 25mA | 25mA | 25mA | 25mA | 25mA |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C |
| Polarization | Bidirectional | Bidirectional | Bidirectional | Bidirectional | Bidirectional | Bidirectional |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Module | Module | Module | Module | Module | Module |
| Product Status | Active | Active | Active | Active | Active | Active |
| RoHS Status | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
Engineering Selection Recommendations
For 5V Supply Systems:
Use HO 25-NP-0000 when the application requires 25A current sensing with 5V supply voltage. This part is Active status and RoHS Compliant. Use HO 15-NP-0000 for applications requiring 15A sensing at 5V supply. Use HO 8-NP-0000 for applications requiring 8A sensing at 5V supply.
For 3.3V Supply Systems:
Use HO 25-NP/SP33-1000 when the application requires 25A current sensing with 3.3V supply voltage. This part is Active status and RoHS Compliant. Use HO 15-NP/SP33-1000 for applications requiring 15A sensing at 3.3V supply. Use HO 8-NP/SP33-1000 for applications requiring 8A sensing at 3.3V supply.
All substitute parts maintain identical electrical performance characteristics (frequency response, linearity, accuracy, response time) and mechanical compatibility (through-hole mounting, module package format). Selection is determined solely by matching the application's current-sensing requirement and available supply voltage to the appropriate part number variant.
Frequently Asked Questions (FAQ)
Q: Can HO 25-NP-0000 be replaced with HO 15-NP-0000?
A: No. The HO 15-NP-0000 has a maximum sensing range of 15A. It cannot be used in applications requiring 25A current measurement. The HO 25-NP-0000 must be used for 25A applications.
Q: Can HO 25-NP-0000 be replaced with HO 25-NP/SP33-1000?
A: Only if the application power supply is 3.3V. The HO 25-NP/SP33-1000 is configured for 3.3V supply voltage, while HO 25-NP-0000 operates at 5V. Verify the available supply voltage before substitution.
Q: What is the difference between HO 25-NP-0000 and HO 25-NP/SP33-1000?
A: The only difference is the supply voltage. HO 25-NP-0000 requires 5V supply; HO 25-NP/SP33-1000 requires 3.3V supply. All other electrical and mechanical specifications are identical.
Q: Can I use HO 8-NP-0000 in place of HO 25-NP-0000?
A: No. The HO 8-NP-0000 has a maximum sensing range of 8A and cannot measure currents up to 25A. Use only the HO 25-NP-0000 or HO 25-NP/SP33-1000 for 25A applications.
Q: Are all parts in this series RoHS Compliant?
A: Yes. All substitute parts listed (HO 25-NP-0000, HO 25-NP/SP33-1000, HO 15-NP-0000, HO 15-NP/SP33-1000, HO 8-NP-0000, HO 8-NP/SP33-1000) are RoHS Compliant and REACH Unaffected.
Q: Do all parts have the same mounting type?
A: Yes. All parts use through-hole mounting in module package format with tray packaging. PCB layout compatibility is maintained across all variants.
Q: What determines if a substitute part is acceptable?
A: Two factors determine substitution: (1) the application current requirement must not exceed the sensor's rated sensing range, and (2) the available system supply voltage must match the part's supply voltage specification (5V or 3.3V).
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