ECST1V0703 SMT Current Sense Transformer
The ECST1V0703 is an SMT current sense transformer designed for various power electronics applications. It features a compact EE4.6 SMT package, very low DC resistance, and a wide selection of turns ratios. With a primary rated for 9 A and a frequency range of 50 kHz to 1 MHz, it is suitable for switching power supplies, feedback control, overload sensing, and load drop/shut down detection.
Product Attributes
- Brand: Eaton
- Product Code: ECST1V0703
- Package: EE4.6 SMT (7.2 mm x 5.2 mm x 3.0 mm)
- Environmental Compliance: Pb HALOGEN HF FREE
- Moisture Sensitivity Level (MSL): 1
- Operating Temperature Range: -40 C to +125 C
- Solder Reflow Temperature: J-STD-020 compliant
Technical Specifications
| Part Number | Turns Ratio (sec:pri) | Secondary Inductance (mH) @ 100 kHz, 0.1 V min. | DCR Secondary () max. | DCR Primary (m) ref. | Hi-pot Pri to Sec @ 2 mA, 3 sec, 50 Hz | Sensed Current (A) max. |
| ECST1V0703-1020-R | 20:1 | 0.053 | 0.42 | 1.5 | 500 Vac | 9 |
| ECST1V0703-1050-R | 50:1 | 0.333 | 2.76 | 1.5 | 500 Vac | 9 |
| ECST1V0703-1070-R | 70:1 | 0.652 | 5.04 | 1.5 | 500 Vac | 9 |
| ECST1V0703-1100-R | 100:1 | 1.33 | 10.68 | 1.5 | 500 Vac | 9 |
| ECST1V0703-1150-R | 150:1 | 2.99 | 22.3 | 1.5 | 500 Vac | 9 |
2411200012_EATON-ECST1V0703-1150-R_C6612106.pdf
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