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EE4.4
INF
This EE4.4 offline transformer features a slim and compact structure that fits well in miniaturized circuit designs. It supports standard SMD assembly for automated production, with a wide operating frequency up to 1 MHz and a high primary current rating up to 40A. Its wide temperature range ensures stable and consistent performance in various industrial and power supply environments.
Physical Properties
| Order Code | L(μH) | n | lR(A) | ∫Udt(μVs) | VT(V(AC)) | RDC1(mΩ) | RDC2(Ω) |
| INF-EE4.4-33μH | 33 | 1:20 | 7 | 9 | 750 | 3 | 0.35 |
| INF-EE4.4-74μH | 74 | 1:30 | 7 | 13.5 | 750 | 3 | 0.8 |
| INF-EE4.4-132μH | 132 | 1:40 | 7 | 18 | 750 | 3 | 1.6 |
| INF-EE4.4-205μH | 205 | 1:50 | 7 | 22.5 | 750 | 3 | 2.5 |
| INF-EE4.4-295μH | 295 | 1:60 | 7 | 27 | 750 | 3 | 3.6 |
| INF-EE4.4-400μH | 400 | 1:70 | 7 | 31.5 | 750 | 3 | 4.6 |
| INF-EE4.4-820μH | 820 | 1:100 | 7 | 45 | 750 | 3 | 9.5 |
| INF-EE4.4-1280μH | 1280 | 1:125 | 7 | 56.2 | 750 | 3 | 13 |
| INF-EE4.4-1800μH | 1800 | 1:150 | 7 | 67.5 | 750 | 3 | 21 |
Technical Specifications

| Item | Details |
| Brand | INF |
| Core Certifications | ISO9001,RoHS,UL |
| UL Flammability Rating | 94V-0 |
| Customization Services | ODM/OEM supported,Logo customization available, exclusive design services provided |
| Lead Time | 15-30 days |
| Packaging Method | Carton box,customization supported |
| Minimum Order Quantity(MOQ) | No minimum order |
| Product Name | EE4.4 |
| Product Range | Transformers,inductors,coils,bobbins,ferrite cores |
| Application Scenarios | AC current detection, switch mode power supply, overload sensing, load drop/shutdown detection metering, load measurements, high frequency current sensing |
| Sample Policy | 5 customized samples provided free of charge;7-10 days for customized items,3-5 days for standard items |
| Shipping Methods | Air freight,sea freight,etc. |
| Key Specifications | Compact and low profile, suitable for SMD assembly, with frequency up to 1 MHz, primary current rating to 40 A, and operating temperature from -40 °C to +130 °C |