News
Newly Launched | High Frequency Response & Low Internal Resistance Sinomags Chip-Level Current Sensor STK-626C
December 26, 2025

SINOMAGS STK-626C


200 ns & 1 MHz

0.1 mΩ Low Internal Resistance


High-Frequency Response &

Low Internal Resistance

Chip-Level Current Sensor


Officially Launched!


With the wide application of third-generationpower semiconductor devices in power electronicssystems,the system switching frequency and operat-ing current frequency continue to rise. As the core ofsystem control, current detection has put forwardhigher requirements for the frequency response,bandwidth, internal resistance and accuracy ofsensors. Sinomags has launched the new chip-levelSTK-626C current sensor,with core parameters suchas step response time within 200 ns, 1 MHz band-width(-3dB), and 0.1 mΩ ultra-low internal resistance,to help the industry achieve technological break-throughs and inject new momentum into the powerelectronics field.
 
Performance Diagram:
Step Response Time Within 200 ns

 
1 MHz Bandwidth (-3dB)

 
Triangle Wave Current Sampling Delay @ 100 kHz

 
Temperature Rise of 40℃ Under 100A Rated Current for Long-Term Operation

 
Performance Parameters
• Step response within 200 ns
• 1 MHz bandwidth (-3dB): Quickly capture high-frequency current signals, suitable for high-frequency working scenarios.
• 200 kHz triangular wave delay < 200 ns: Low signal transmission delay, ensuring timely detection response.
• 0.1 mΩ internal resistance: Extremely low internal resistance, effectively reducing energy loss.
• 100 A rated current, temperature rise of 40℃: Excellent heat dissipation during long-term operation, high stability.
• 300 A current range: Wide range coverage, meeting AC/DC detection needs in multiple scenarios.
• 5 kVrms isolation withstand voltage: High-strength isolation protection, excellent safety performance.
• With OCD overcurrent protection function: Respond to overcurrent risks in a timely manner.
• 3.3 V/5 V power supply: High adaptability.
• TMR (Tunnel Magnetoresistance) technology, reliable performance.

Typical Applications:
High-Frequency Switching Power Supply
New Energy Vehicle Electronic Control System
Charging Pile and Energy Storage System
Photovoltaic Inverter