ECST1V1308 SMT Current Sense Transformer
The ECST1V1308 is an SMT current sense transformer designed for high-frequency applications. It features a compact EE8.3 package, very low DC resistance, and a wide selection of turns ratios. This transformer is rated for a primary sensed current of 15 A and operates within a frequency range of 50 kHz to 1 MHz. It is ideal for use in switching power supplies, feedback control systems, overload sensing, and load drop/shut down detection.
Product Attributes
- Brand: Eaton
- Package: EE8.3 SMT (13 mm x 11 mm x 7.8 mm)
- Environmental Compliance: Pb HALOGEN HF FREE, J-STD-020 compliant solder reflow temperature
- Moisture Sensitivity Level (MSL): 1
- Operating Temperature Range: -40 C to +125 C
Technical Specifications
| Part Number | Turns Ratio (sec:pri) | Secondary Inductance (mH) @ 100 kHz (min) | DCR sec () (max) | DCR pri (m) (ref) | Hi-pot pri to sec (Vac) @ 3 mA, 50 Hz, 3 seconds | Sensed Current (A) (max) |
| ECST1V1308-1020-R | 20:1 | 0.22 | 0.21 | 3.9 | 500 | 15 |
| ECST1V1308-1030-R | 30:1 | 0.5 | 0.32 | 3.9 | 500 | 15 |
| ECST1V1308-1040-R | 40:1 | 0.88 | 0.5 | 3.9 | 500 | 15 |
| ECST1V1308-1050-R | 50:1 | 1.4 | 0.65 | 3.9 | 500 | 15 |
| ECST1V1308-1060-R | 60:1 | 2 | 0.81 | 3.9 | 500 | 15 |
| ECST1V1308-1070-R | 70:1 | 2.7 | 1 | 3.9 | 500 | 15 |
| ECST1V1308-1080-R | 80:1 | 3.5 | 1.3 | 3.9 | 500 | 15 |
| ECST1V1308-1100-R | 100:1 | 5.6 | 2 | 3.9 | 500 | 15 |
| ECST1V1308-1125-R | 125:1 | 8.7 | 5.2 | 3.9 | 500 | 15 |
| ECST1V1308-1150-R | 150:1 | 12.6 | 6.5 | 3.9 | 500 | 15 |
| ECST1V1308-1200-R | 200:1 | 22 | 8 | 3.9 | 500 | 15 |
Mechanical Parameters
| Dimension | Value |
| A (max) | 11.00 mm |
| B (max) | 13.00 mm |
| C (max) | 7.80 mm |
| E | 0.7 mm |
| F (ref) | 0.25 mm |
| G | 0.8 0.2 mm |
| H | 2.5 0.3 mm |
Packaging Information
| Dimension | Value |
| W | 24.0 0.3 mm |
| P1 | 20.0 0.1 mm |
| E1 | 1.75 0.1 mm |
| F | 11.50 0.05 mm |
| P2 | 2.0 0.05 mm |
| D0 | 1.5 +0.1/-0 mm |
| D1 | 1.5 +0.1/-0 mm |
| B0 | 11.7 0.1 mm |
| A0 | 13.3 0.1 mm |
| K0 | 8.2 0.1 mm |
| P0 | 4.0 0.1 mm |
| T | 0.40 0.05 mm |
| A | 330 3.0 mm |
| N | 100 1.0 |
| C | 13+0.5/-0.2 mm |
| W1 | 24.4+2.0/-0.0 mm |
2411192343_EATON-ECST1V1308-1060-R_C6548082.pdf
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