Bourns sdr series smd power inductor design kits bourns sdr lab1 the sdr lab1 smd power inductor design kit features the sdr series of non shielded low cost high saturation current power inductors ideal for high power high switching frequency applications such as dcdc converters consumer electronics communication equipment industrial instrumentation medical devices emi noise suppression etc bourns sdr lab1 inductor assortment smd 160 pieces