SMU1971 Series
Drum Core Inductors

Features:

  • High energy storage and low resistance
  • Ideal for DC-DC step-up or step-down conversion
  • Reliable surface mounting, flat top for pick and place
  • Robust temperature deflection to help prevent damage during solder reflow
  • Operating temperature -40°C to +85°C
  • Lead Free and RoHS compliant
 
  Maximum Dimensions Reference Dimensions
Series Number Units L W H Y Z A B C
SMU1971 Inches 0.730 0.600 0.291 0.500 0.100 0.110 0.115 0.490
  (mm) (18.51) (15.24) (7.40) (12.70) (2.54) (2.79) (2.92) (12.45)

 Part NumberL
µH
DCR
O
ISAT
A
IMAX
A
IRMS
A
ToleranceQuantity
SMU1971-0012.20.01416.0 7.10±20%
SMU1971-0023.30.01814.0 6.20±20%
SMU1971-0035.60.02012.0 5.30±20%
SMU1971-004100.03110.0 4.30±20%
SMU1971-005150.0368.00 4.00±20%
SMU1971-006220.0477.00 3.50±20%
SMU1971-007330.0665.50 3.00±20%
SMU1971-008470.0864.50 2.60±20%
SMU1971-009680.1303.50 2.30±20%
SMU1971-0101000.1903.00 1.80±20%
SMU1971-0111500.2502.60 1.50±20%
SMU1971-0122200.3802.40 1.20±20%
SMU1971-0133300.5601.90 1.00±20%
SMU1971-0144700.8501.40 0.82±20%
SMU1971-0156801.1001.20 0.72±20%
SMU1971-01610001.8001.00 0.56±20%
 
  • Inductance measured at 100kHz, 100mVrms at 20°C
  • DCR is a maximum @20°C
  • ISAT is the current applied to produce a typical 10% drop in nominal inductance
  • IRMS is the current applied to produce a typical 30°C temperature rise from nominal inductance

 

 

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