Electrical / Environmental Self-Shielding Molded High-Current Inductors St RCoomH a i l p n • Operating Temperature Range • Ambient Temperature, Maximum • Temperature Rise, Maximum -40°C to +155°C 100°C 50°C Specifications 100 kHz @ 0 Adc µH ±10% Part Number HM55A-16R30LF HM55A-16R56LF Notes: Inductance 100 kHz, 0.1 V @ Irated µH Min. µH Typ. 0.28 0.56 0.21 0.46 Irated (1) (Adc) Heating(2) Current (Adc) ∆T=50°C DCR (3) mΩ±5% Dim D. (mm±0.5) Dim.E (mm±0.1) 40 40 32.8 27.4 0.72 1.15 12.8 12.8 1.48 1.38 0.25 0.51 (1) Rate current, Irated, is the approximate current at which inductance will be decreased by 20% from its initial (zero DC) value. (2) The heating current is the DC current, which causes the component temperature to increase by approximately 50°C. This current is determined by soldering the component on a typical application PCB, and then apply the current to the device for 30 minutes. (3) DC resistance is measured at 25°C. Outline Dimensions (Inch / mm) C MAX Part Number Dim. A Dim.B HM55A-16R30LF .630 .394 16.0 10.0 HM55A-16R56LF .630 .394 16.0 10.0 .197± .02 5.0 ±0.5 D E B ± .012 0.3 Dim.C .354 9.0 .453 11.5 Refer to Specifications table for ‘D’ & ‘E’ dimensions of each model. A ± .012 0.3 Packaging Standard: Vacuum Tray Case Size 16 Capacity Per Tray Capacity Per Carton (Units) (Units) 44 660 Ordering Information Model Series Case Size HM55A 16 R30 LF Lead-Free Inductance Code: First 2 digits are significant. Last digit denotes the number of trailing zeros. For values below 10µH, ”R” denotes the decimal point. 22 MAGNETIC COMPONENTS SELECTOR GUIDE 2006 EDITION We reserve the right to change specifications without prior notice. www.bitechnologies.com Electrical Characteristics @ 25°C 2006 EDITION MAGNETIC COMPONENTS SELECTOR GUIDE www.bitechnologies.com We reserve the right to change specifications without prior notice 23