PCB MOUNT CURRENT SENSORS
Precision AC/DC Current Measurement with ±0.5% Linearity, Customization Available
UL94 V0
REACH
RoHS
Permanent Magnets Ltd. (PML) designs and manufactures next-generation, board-level current sensors engineered for high-power density applications. Featuring built-in galvanic isolation, superior thermal stability, and ultra-low response times, our sensors provide an ideal, locally-manufactured alternative to standard global transducers.
Whether you are designing EV traction inverters, smart grid infrastructure, or heavy-duty motor drives, PML current sensors ensure precise measurement under extreme conditions.
Explore our range of sensors
Choose from our standard off-the-shelf modules or request a custom sensor tailored to your application.
Find comprehensive information about PML's HNCX and HNRX series of PCB-mounted current sensors here:
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Applications
Our sensors are trusted in critical systems across industries:
Electric Vehicles
Motor control units, DC-DC converters, onboard chargers, BMS.
Industrial Automation
Drives, robotics, and precision motor control.
Solar & Renewable Energy
MPPT tracking, solar inverters, charging stations.
Appliances & White Goods
Compact, efficient current sensing for home and industrial appliances.
Your applications demand accuracy, safety, and compliance. We design our sensors to exceed these requirements:
| Feature | PML PCB Mount Sensors | Competitor Sensors |
|---|---|---|
| Accuracy | Up to ±0.5% linearity for high-efficiency power management | ±1–2% linearity |
| Mounting | Direct PCB mounting — simplified design, reduced cost | Requires extra daughter boards or bulky connectors |
| Reliability | Automotive-grade, ISO-certified, tested for EV | May not meet full automotive standards |
| Compliance | Full global compliance: REACH, RoHS, AEC Q-100 ready | Limited compliance |
| Cost | Cost effective | High initial investment, high long-term costs |
| Performance Stability | Low drift, pre-calibrated output for long-term consistency | Drift over time or temperature |
| Customization | Standard + Custom options tailored to your application | Limited standard modules |
RANGE OF CURRENT SENSORS
HNCA Series
High-accuracy PCB-mounted current sensors from 300A to 1000A with 5V/3.3V support, <1% FS Error, and built-in Over-Current Detection (OCD).
- Rated Currents: 300A to 1000A
- Supply Voltage: 5V or 3.3V (L)
- FS Error: <1%
- Feature: OCD
- Measurement: AC / DC / Pulsed DC
HNRA Series
Robust sensors for harsh environments, 300A–1000A, with 5V/3.3V options, <1% FS Error and integrated OCD for system safety.
- Rated Currents: 300A to 1000A
- Supply Voltage: 5V or 3.3V (L)
- FS Error: <1%
- Feature: OCD
- Measurement: AC / DC / Pulsed DC
HNCB Series
Engineered for extremely fast response, 100A–1001A, with industry-leading <1% FS Error and dedicated fast-response architecture.
- Rated Currents: 100A to 1001A
- Supply Voltage: 5V
- FS Error: <1%
- Feature: Fast Response
- Measurement: AC / DC / Pulsed DC
HNRB Series
High-speed response and robust performance in 500A, 800A, 1000A, and 1001A variants — ideal for rapid transient measurement.
- Rated Currents: 300A to 1001A
- Supply Voltage: 5V
- FS Error: <1%
- Feature: Fast Response
- Measurement: AC / DC / Pulsed DC
HNCC Series
Cost-effective PCB-mounted sensors in 5V and 3.3V versions, 300A–1000A, with strong <1.5% FS Error performance.
- Rated Currents: 300A to 1000A
- Supply Voltage: 5V or 3.3V (L)
- FS Error: <1.5%
- Feature: Cost Effective
- Measurement: AC / DC / Pulsed DC
HNRC Series
Cost-optimised with <1.5% FS Error across 300A–1000A in both 5V and 3.3V versions — ideal for scalable, price-sensitive applications.
- Rated Currents: 300A to 1000A
- Supply Voltage: 5V or 3.3V (L)
- FS Error: <1.5%
- Feature: Cost Effective
- Measurement: AC / DC / Pulsed DC
Why Choose PML?
Years of Expertise in magnetic and sensing solutions
ISO-Certified Manufacturing with stringent quality control
Global Compliance: RoHS, REACH, UL94 V0 standards met
Trusted by Industry Leaders in EV, renewable energy, and automation
Ready to Power Your Next Innovation?
Our engineering team can help you select the right sensor or develop a custom solution.
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