Planar Transformers
High-Performance Planar Transformers
Compact, high-reliability alternatives to wire-wound magnetics — higher power density, efficiency, and thermal performance. Optimized for HB-LLC, LLC, DAB, push-pull & forward topologies, 100 kHz–3 MHz.
Key Advantages
- ▭ Low-profile, lightweight construction
- ⤢ High power density
- ⚡ High-frequency efficiency
- ↘ Reduced AC losses
- ◯ Low leakage inductance
- 🌡 Excellent thermal management
- ⟳ Highly repeatable manufacturing
- ⇄ Flexible winding & terminal options
Applications
- ✈ Aerospace & defense
- 🚗 Electric vehicles & transportation
- 📡 Telecommunications infrastructure
- 🏭 Industrial power systems
- ☀ Renewable energy systems
- ✚ Medical electronics
Series Products
16 Standard Planar Series
Organized by component size. Listed power ranges are application-dependent and vary with switching frequency and input/output voltage. Click any image to enlarge, or download its datasheet.
E27 Series
50 W – 55 W
E30 Series
75 W – 150 W
E34 Series
145 W – 280 W
E38 Series
160 W – 550 W
E46 Series
280 W – 1.1 kW
E55 Series
560 W – 1.1 kW
E57 Series
320 W – 1.2 kW
E65 Series
550 W – 1.7 kW
E80 Series
500 W – 2.2 kW
E141 Series
630 W – 2.9 kW
E179 Series
3.4 kW – 10.2 kW
E220 Series
4.2 kW – 30.6 kW
E260 Series
4.7 kW – 74.7 kW
E289 Series
21 kW – 102 kW
E331 Series
120 kW – 155 kW+
E381 Series
41 kW
⚙ Custom Planar Magnetic Solutions
Don’t see your spec? Every series is a starting point — we design to order for your exact frequency, voltage, and footprint.