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Product Detailed Parameters
- Description：CURRENT SENSE TRANSFORMERS, WOUN
- Series：VST
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Frequency Range：-
- Type：Invasive
- Inductance：12.4 mH
- ET (Volt-Time)：-
- Current Ratio：-
- DC Resistance (DCR)：-
- Ratings：-
- Mounting Type：Surface Mount
- Size / Dimension：0.476" L x 0.425" W (12.10mm x 10.80mm)
- Height - Seated (Max)：0.394" (10.00mm)
- Termination Style：Gull Wing
- Turns Ratio - Primary:Secondary：0.180555556
- Current Rating (Amps)：20 A
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Overview
The VST10/9EE-205S1C2 is a surface-mount current sense transformer manufactured by TDK Corporation. It features a rated input current of 20A and a secondary side inductance of 12.4mH with a resistance of 1mOhm. The component has a turns ratio of 1:200 and is designed for board mounting applications. It complies with the AEC-Q200 qualification standard, ensuring reliability for automotive environments.
Feature Summary
- Provides galvanic isolation between primary and secondary circuits for accurate current monitoring.
- Complies with AEC-Q200 automotive electronic component qualification standards.
Applications
- Automotive power management systems
- Current sensing in motor control circuits
- Battery management system monitoring
Procurement Notes
Verify the specific suffix '205' against official TDK documentation to confirm the exact inductance value of 12.4mH. Ensure the procurement channel provides valid traceability for AEC-Q200 certified components intended for automotive use. Cross-reference the package dimensions with the latest datasheet to confirm compatibility with the target PCB footprint.
Selection Notes
Select this component when a 20A rated current sense transformer with high isolation is required. The 1:200 turns ratio suits applications needing precise current feedback. Consider the 12.4mH secondary inductance for filtering requirements. Verify that the surface-mount form factor fits within the available board space constraints.
Part Context
This part belongs to TDK's VST series of current sense transformers. These devices are engineered for high-frequency switching applications where electrical isolation and compact size are critical. The series supports various current ratings and inductance values to accommodate different circuit designs.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided data. Consult TDK technical support for alternative recommendations if this specific model is unavailable.
FAQ
What is the maximum rated input current for this transformer?
The maximum rated input current is 20A.
Does this component meet automotive qualification standards?
Yes, it is qualified under the AEC-Q200 standard.
