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Product Detailed Parameters
- Description：CURR SENSE XFMR 25A T/H
- Series：CST
- Mfr：Triad Magnetics
- Package：Bulk
- Frequency Range：50/60Hz
- Type：Non-Invasive (Solid Core)
- Inductance：-
- ET (Volt-Time)：-
- Current Ratio：1000:01:00
- DC Resistance (DCR)：46Ohm
- Ratings：-
- Mounting Type：Through Hole
- Size / Dimension：1.189" L x 0.563" W (30.20mm x 14.30mm)
- Height - Seated (Max)：1.189" (30.20mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：-
- Current Rating (Amps)：25 A
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Overview
The Triad Magnetics CST-1025 is a through-hole current sense transformer designed for detecting primary currents up to 25 A. It operates within a frequency range of 50 Hz to 60 Hz and features a secondary resistance of 46 Ohms. The component utilizes a bobbin core with dimensions of 11.4 mm, suitable for PCB mounting applications requiring reliable current monitoring.
Feature Summary
- Detects primary current flow using transformer coupling
- Designed for through-hole PCB installation
- Operates at standard power line frequencies
Applications
- Current monitoring in AC power systems
- Industrial equipment protection circuits
- Power supply feedback loops
Procurement Notes
Verify the specific datasheet version for the CST-1025 model to confirm exact electrical tolerances and thermal ratings. Ensure the application environment supports the specified operating frequency range. Cross-reference mechanical drawings for hole spacing and pin configuration before finalizing the PCB layout design.
Selection Notes
Select this component when a robust solution for low-frequency current sensing is required. The 25 A rating suits moderate power applications. Verify that the secondary load impedance matches the 46 Ohm specification to ensure accurate signal transmission without saturation or excessive voltage drop.
Part Context
This part belongs to the CST series of current sense transformers from Triad Magnetics. These components are engineered for industrial and commercial power management tasks. The series provides various ratios and current ratings to accommodate different circuit requirements while maintaining high isolation standards.
Replacement Considerations
Consult official substitution lists for equivalent current sense transformers with matching 25 A ratings and 50/60 Hz operation. Verify that alternative parts maintain identical physical dimensions and pinout configurations to ensure compatibility with existing PCB footprints.
FAQ
What is the maximum primary current rating?
The CST-1025 is rated for a maximum primary current of 25 A.
What is the secondary resistance value?
The secondary winding resistance is specified as 46 Ohms.
