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Product Detailed Parameters
- Description：CURR SENSE XFMR 40:1 7A SMD
- Series：ECSTA
- Mfr：Eaton - Electronics Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Frequency Range：50kHz ~ 1MHz
- Type：Invasive
- Inductance：132 µH
- ET (Volt-Time)：-
- Current Ratio：-
- DC Resistance (DCR)：3Ohm Primary, 1.6Ohm Secondary Max
- Ratings：AEC-Q200
- Mounting Type：Surface Mount
- Size / Dimension：0.189" L x 0.144" W (4.80mm x 3.65mm)
- Height - Seated (Max)：0.140" (3.55mm)
- Termination Style：J Lead
- Turns Ratio - Primary:Secondary：40:01:00
- Current Rating (Amps)：7:00 AM
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Overview
The ECSTA1V0504-1040-R is a surface-mount current sense transformer manufactured by Eaton Electronics. It features a 1:40 turns ratio and supports a maximum primary current of 7 A. The device operates within a frequency range of 50 kHz to 1 MHz. Electrical characteristics include a primary resistance of 3 Ohms, a secondary resistance of 1.6 Ohms, and a maximum magnetizing inductance of 132 µH. The component is designed for board-mount applications and complies with AEC-Q standards.
Feature Summary
- Provides galvanic isolation between primary and secondary circuits for accurate current monitoring
- Optimized for high-frequency operation suitable for switching power supply topologies
- Surface-mount package design facilitates automated assembly and compact PCB layouts
Applications
- Current sensing in automotive electronics systems
- Overcurrent protection circuits in DC-DC converters
- Feedback control loops in switch-mode power supplies
Procurement Notes
Verify the specific ordering suffix to ensure correct turns ratio and electrical parameters. Confirm RoHS compliance status and lead-free requirements against project specifications. Check for AEC-Q qualification if automotive application is intended. Ensure soldering temperature profiles do not exceed specified limits to prevent damage.
Selection Notes
Select this component when a 1:40 transformation ratio is required for current sensing. Ensure the operating frequency falls within the 50 kHz to 1 MHz range. Verify that the primary current does not exceed 7 A under normal and peak conditions. Consider the physical footprint and mounting style for PCB integration.
Part Context
This part belongs to the ECSTA series of current sense transformers from Eaton Electronics. These components are engineered for reliable performance in demanding electronic environments. The series offers various ratios and current ratings to suit different power management needs.
Replacement Considerations
The ECSTA1V0504-1050-R is a related variant with a 50:1 turns ratio. Verify if the increased ratio meets the system's sensing requirements before substitution.
