Current Sense Magnetics,also known as current sense transformers or current sense coils, are components used in electronic circuits to measure electric current flowing through a conductor. They work based on the principle of magnetic induction, where the current passing through a conductor generates a magnetic field around it.
Current sense magnetics typically consist of a coil of wire wound around a magnetic core. When current flows through the conductor passing through the center of the coil, it creates a magnetic field that induces a voltage in the coil. This induced voltage is proportional to the current passing through the conductor and can be measured to determine the current value.
These components are commonly used in applications where accurate current monitoring is required, such as in power supplies, motor control systems, battery management systems, and energy monitoring devices. By using current sense magnetics, engineers can measure and control the current flow in a circuit accurately, helping to ensure the safety and efficiency of the system.
| Product families | 1. PCB mount ✉ | 2. SMD ✉ | 3. Split core ✉ | 4.CP Series ✉ |
1. PCB mount Family
PCB-mounted current transformers
PCB-mounted current transformers are available in a variety of sizes and materials to meet any AC current sensing needs. 
Our universal design is made from the highest quality silicon steel core and meets the needs of most common AC current measurements
FEATURES:
- 3750VDC insolation between winding to winding
- Frequency range: 10kHz to 1MHz
- Designed for use with switching power supplies meet UL/CSA/IEC 60950 Reinforced Insulation specification and provide 3 mm creepage/clearance between primary and
- secondary windings
- Reinforced insulation per IEC 380
- Epoxy encapsulated construction
- Materials meet requirement of UL94V-0
| Product Series | Sec.Inductance(mH) | Sec.DCR(Ω) | |
| ACST-19XX | 8-5200 | 0.198-220 | ✉ |
| ACST014 | - | - | ✉ |
| ACST02 | 5-1260 | 0.6-21.5 | ✉ |
| ACST11 | 40-360 | 1.1-7.5 | ✉ |
| ACST19 | 5-80 | 0.65-4.5 | ✉ |
| ACST20 | 5-80 | 0.65-4.5 | ✉ |
| ACST2019 | 5-180 | 0.7-11.0 | ✉ |
| CT05 | 5-76 | 1.7 | ✉ |
| CT11XX | 4.7-1900 | 0.5-50 | ✉ |
| ACST00X | - | 0.7-11 | ✉ |
| ACST010F/FH | - | - | ✉ |
2. SMD Family
SMD Mount Current Transformer
FEATURES: 
- Very low DC resistance
- Different turns ratios
- Small package
- Customizable
- RoHS compatible
APPLICATION:
- Switching power supplies
- Feedback control
- Overload sensing
- Load drop/shut down detection
3. Split core Family
Split Core Current Transformer
Split Core Current Transformer hall effect current sensor measure DC, AC and complex current wave forms with galvanic isolation. 
The advantages include low cost, small size, lightweight and low power consumption and are especially advantageous when measuring high currents. This sensor can be clamped on to the existing cable without interruption of the primary circuit.
FEATURES:
- Small size, low cost
- High secondary turns
- Secure locking hinge
- Frequency Range: 50 Hz to 400 Hz
- Operating Temperature: -15C to 60C.
- Leads: 4Foot(105cm), UL 1015, Twisted Pair, 24AWG
- CE ,UL recognized, and RoHS compliant
- Output and leads can be customized
APPLICATIONS:
- PV Inverters,PV monitoring,Energy storage solutions
- Smart energy
- Digital Fault Recorders
- Smart Grid Application Features ,Load Center
- Three Phase Balance Control
- In-Factory Display ,In-Home Display
- Inverters for Solar & Wind Turbine Systems
- Power Measurement Device For PLC
Low Voltage Current Transformers
The Current Sense Magnetics Transformer is designed for precise AC current measurement and monitoring in power electronic systems. It provides a low-loss solution for sensing current while ensuring reliable electrical isolation between the primary circuit and measurement system.
With stable performance and high accuracy, this transformer converts high current signals into proportional low-level outputs suitable for control, protection, and monitoring circuits. Its compact structure and reliable insulation make it ideal for modern high-frequency and high-efficiency power applications.
FEATURES:
- Low loss current sensing design
- High dielectric strength insulation
- Wide current measurement range
- High reliability and long-term stability
- Suitable for high-frequency applications
APPLICATIONS:
- Switching power supplies
- DC/DC converters
- AC/DC power systems
- Industrial power monitoring
- Inverters and UPS systems
- Smart energy management systems
SHINHOM is dedicated to setting a high bar of excellence for industries that integrate or utilize magnetics technologies in our Current Sense Magnetics products.
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