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Specifications
Rated input Current:
7A
Frequency Range:
50kHz~1MHz
DCR Primary Side (Max):
3mΩ
Mfr. Part #:
ECST1V0504-1050-R
Key Attributes
Model Number:
ECST1V0504-1050-R
Product Description
ECST1V0504 SMT Current Sense Transformer
The ECST1V0504 is a surface-mount current sense transformer designed for various power electronics applications. It offers very low DC resistance, a wide selection of turns ratios, and a high sensed current capability of up to 7 A. Its compact EE4.4 SMT package makes it suitable for space-constrained designs. This transformer is ideal for use in switching power supplies, feedback control systems, overload sensing, and load drop/shut down detection.
Product Attributes
- Brand: Eaton
- Product Code: ECST1V0504
- Package: EE4.4 SMT (4.8 mm x 3.65 mm x 3.55 mm)
- Environmental Compliance: Pb HALOGEN HF FREE, J-STD-020 compliant
- 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 (H) @ 100 kHz, 0.1 V min. | Max. Secondary DCR () | Max. Primary DCR (m) | Hi-Pot (pri to sec @ 2 mA, 3 sec, 50 Hz) | Max. Sensed Current (A) |
| ECST1V0504-1020-R | 20:1 | 33 | 0.35 | 3 | 500 Vac | 7 |
| ECST1V0504-1030-R | 30:1 | 74 | 0.8 | 3 | 500 Vac | 7 |
| ECST1V0504-1040-R | 40:1 | 132 | 1.6 | 3 | 500 Vac | 7 |
| ECST1V0504-1050-R | 50:1 | 205 | 2.5 | 3 | 500 Vac | 7 |
| ECST1V0504-1060-R | 60:1 | 295 | 3.6 | 3 | 500 Vac | 7 |
| ECST1V0504-1070-R | 70:1 | 400 | 4.6 | 3 | 500 Vac | 7 |
| ECST1V0504-1100-R | 100:1 | 820 | 9.5 | 3 | 500 Vac | 7 |
| ECST1V0504-1125-R | 125:1 | 1280 | 13 | 3 | 500 Vac | 7 |
| ECST1V0504-1150-R | 150:1 | 1800 | 21 | 3 | 500 Vac | 7 |
Mechanical Parameters
| Dimension | Value (mm) |
| A | 4.80 maximum |
| B | 3.65 maximum |
| C | 3.55 maximum |
| E | 0.4 |
| F | 0.85 |
| G | 2.10 |
| H | 2.50 |
Note: Electrical specifications are at +25 C. Primary current of 7 A causes less than 40C temperature rise @ +25C ambient.
2411192348_EATON-ECST1V0504-1050-R_C7270777.pdf
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