Low-profile, surface-mount power inductors suit high-frequency switching applications
Murata announced the Murata Power Solutions 3000A and 3000B series of low-profile power inductors for use in noise reduction circuits of high-frequency and high-current switching power supplies, DC-DC converters, and voltage regulator modules.
The 3000A series is available with 80, 100, 150 or 200 nH inductance values. Maximum rated peak current is 57 Amps for the 80 nH device.
Typical Rdc is only 0.20 mOhm across the series. The 3000B series has inductance values of 85, 100, 120, 150 or 200 nH and a maximum rated current of 78 A for the 85 nH inductor. Rdc is also extremely low and is typically 0.29 mOhm.
Using a low-loss core material, combined with low series resistance (Rdc), gives the inductors a high overall efficiency. The low inductance values suit high frequency applications while their compact low profile dimensions, 7.1 x 7.0 x 4.96 mm for the 3000A series, are ideal for designs where available board space is at a premium.
Both series are available in surface mount packages suiting high volume manufacturing. Pricing at 1,000 pieces is approximately $0.59, with lead-times from stock up to 14 weeks, depending on the model.