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EE13/7/4 Offline Transformers
This unit has a 45kHz–200kHz switching frequency, compact form factor, extended rails, and reinforced insulation; it is UL-compliant and operates at -40°C to +125°C. It is widely used in 15.5W SMPS, auxiliary power supplies, and universal-input SMPS with 50VAC–265VAC input.
Physical Properties
| Order Code | Input Voltage (V) | Vout1 (V) | lout1 (A) | Auxilary Voltage (V) | Switching Frequency (kHz) | Inductance (mH) | Turns Ratio | Saturation Current (mA) | Insulation TestVoltage (V(AC)) |
| INF-EE13-0.59mH | 55-265V(AC) | 15 | 0.31 | 16 | 150 | 0.592 | 4.6:1:1.05 | 725 | 3000 |
| INF-EE13-1.99mH | 55-265V(AC) | 15 | 0.21 | 16 | 50 | 1.99 | 4.63:1:1.06 | 360 | 3000 |
| INF-EE13-0.49mH | 55-265V(DC) | 12 | 0.42 | 16 | 150 | 0.491 | 5.75:1:1.31 | 860 | 3000 |
| INF-EE13-1.99mH | 55-265V(AC) | 12 | 0.3 | 16 | 50 | 1.99 | 5.79:1:1.32 | 365 | 3800 |
| INF-EE13-0.49mH | 55-265V(AC) | 5 | 0.9 | 16 | 150 | 0.491 | 13.14:1:3 | 875 | 3000 |
| INF-EE13-1.84mH | 55-265V(AC) | 5 | 0.7 | 16 | 50 | 1.84 | 13:1:3 | 375 | 3000 |
Technical Specifications
EE13/7/4 Offline Transformers Offline Flyback Transformers
This product has a nominal input voltage of 85–265VAC (120–375VDC), operates within a temperature range of -40°C to +125°C, offers an isolation voltage from 2kVA to 5kVA, features multiple output options, supports fixed-frequency or quasi-resonant mode operation, and most models meet reinforced insulation requirements. It is mainly used in offline switch-mode power supplies, as well as auxiliary power supplies, home appliances, consumer electronics and other fields.
Physical Properties
Technical Specifications
Physical Properties
Technical Specifications
EE13/7/4 Offline Transformers
This product features a compact low-profile form factor compatible with SMD assembly, has a maximum operating frequency of 1 MHz and a primary current rating of 40 A, and operates within a temperature range of -40 °C to +130 °C. It is mainly used for current detection (AC current, high-frequency current), load monitoring (overload sensing, load drop/shutdown detection, load measurement sensing), as well as switch-mode power supply and metering applications.
Physical Properties
Technical Specifications
| Main Category | Subcategory | Details |
| MOQ | Prototyping & Small-batch | 10 piece minimum order |
| Sample Service | Free proofing & custom service, 5 free samples (shipping at buyer’s cost) | |
| Bulk Order | 5,000 pieces and above with bulk pricing | |
| Lead Time | All Standard Components | Shipped within 5–7 working days |
| Custom Inductance / Pin Design (Sample) | Sample order confirmed within 5–7 working days | |
| Custom Inductance / Pin Design (Mass Order) | Shipped within 15–30 working days | |
| Payment Terms | Main Payment Term | T/T in advance, L/C at sight |
| Procurement Standard | Complies with global enterprise procurement standard for passive components | |
| Quality Deposit | No quality security deposit required | |
| Accepted Terms | FOB Shanghai / Nanjing / Hong Kong, T/T Advance | |
| Quality Assurance | Manufacturing Defects | Free replacement for issues caused by manufacturing defects |
| Inspection Report | Batch inspection reports available as certification upon customer request | |
| Packaging Specifications | Updated Packaging (2026) | Blister tray packaging; Sealed Tape & Reel for SMD products |
| Optional Packaging | Vacuum sealed packaging for customers with strict moisture-proof requirements |
