WE-BAL Multilayer SMD Chip Baluns Würth Elektronik WE-BAL Multilayer SMD Chip Baluns feature low loss multilayer baluns with balanced impedance 50Ω to 200Ω. They offer a 2W maximum power capacity and operate in a -40°C to +85°C temperature range. Würth Elektronik WE-BAL Multilayer SMD Chip Baluns are ideally suited for RF applications and wireless communication systems.