P055 50W-200W Planar Transformer

The P055 Planar Transformer series is a high-efficiency magnetic component optimized for power levels between 50W and 200W. Its larger form factor supports increased current handling while maintaining a slim profile and reliable thermal management. The patented header design improves co-planarity and solder joint integrity, making the P055 suitable for modern automated assembly processes. Available in surface mount and through-hole versions, this transformer delivers stable electrical performance across a wide switching frequency range and is engineered for flexibility in compact power architectures.
- High current capacity with low winding resistance
- Large core geometry enables efficient power transfer
- Reduced electromagnetic interference through compact planar design
- Low leakage inductance for fast switching topologies
- Excellent thermal conduction for extended operating life
- Compatible with both forward and flyback power stages
- Consistent manufacturing tolerances improve reliability
- Supports both SMD and TH configurations for flexible layout options
- Power Rating: 50W–200W
- Max Load Current: 40A (SMD), 60A (TH)
- Frequency Range: ~20kHz–1MHz+
- Isolation Voltage: 500–2000VDC
- Topologies Supported: Forward, Flyback
- Typical Dimensions (LxWxH): 29.5 x 27.2 x 8.0 mm
- Primary Resistance (SMD): ~3.5mOhm max
- Leakage Inductance (Pri/Sec): ~0.2uH typ.
- Efficiency (48V in / 100W out): ~97.5 percent
- Operating Ambient Temperature: -20C to +85C
The P055 transformer series is well-suited for high-power, space-constrained applications that require efficient energy conversion and thermal performance. Common use cases include industrial motor drives, telecom base stations, automotive battery management systems, DC-DC converters, and aerospace electronics. Its robust construction and high isolation ratings make it ideal for demanding environments where reliability is critical.