1. Compact SMD Package
13.5×13.5×6.0mm footprint, compatible with reflow soldering (J-STD-020).
2. High-Frequency Operation
Optimized for 200kHz–2MHz (Mn-Zn ferrite, PC95 material).
3. Low Loss Design
Core loss <25mW/cm³ @ 500kHz, 100°C.
4. High Isolation
Reinforced insulation (3kV AC, 1min) per IEC 60664.
5. Automation-Friendly
Tape-and-reel packaging for pick-and-place assembly.
DC-DC Converters: LLC resonant topologies (30–100W).
Server Power: 48V→12V intermediate bus converters.
EV Charging: On-board charger auxiliary power.
Medical Devices: Isolated power for patient monitoring.
Note: Ideal for high-power-density, high-reliability designs.
YET focus in custom development and low volume methodology allow us to be one of the most flexible and agile manufacturers in the industry.
Our engineering staff has a vast wealth of professional knowledge.YET can deliver custom magnetics products on time to any country.
YET can design and build magnetics from customer design prints, re-engineer to enhance magnetics products to support customer needs, and reverse engineer magnetics products.
| ITEM | YET' P/N | Equivalent Substitutes | ||
| EP13 series transformer | TDK | Würth | ||
| Electrical Parameters | Operating Frequency | 50kHz-500kHz | 50kHz-500kHz | 50kHz-500kHz |
| Rated Power | 5～25W | 5～25W | 5～20W | |
| Input Voltage | DC：5V～36V | DC：5V～36V | DC：3.3V～36V | |
| Output Voltage | 3.3VDC～24VDC | 3.3VDC～24VDC | 3.3VDC～24VDC | |
| Inductance (Primary) | 10μH～200μH | 10μH～200μH | 10μH～200μH | |
| Hi-pot | 2k～3kVAC (Pri.-Sec.) | 1.5~3kVAC/60s (Pri.-Sec.) | 3kVAC/60s (Pri.-Sec.) | |
| Efficiency | 85~94% | 85~92% | 85~92% | |
| Core Characteristics | Core Material | PC95 Ferrite | PC40 oe PC44 | N87 or N92 Ferrite |
| Structure & Thermal Management | Cooling Method | Air | Air | Air |
| Insulation Class | Class F | Class F | Class F | |
| Temperature Range | -40℃~+125℃ | -40℃~+125℃ | -40℃~+125℃ | |
| Certifications & Compliance | Safety Certifications | CQC、3C | UL、CE、VDE | UL、CE |
| Environmental Certifications | RoHS、REACH | RoHS、REACH | RoHS、REACH | |
EP13 SERIES SMD TRANSFORMER.pdf
