HM90-27141

Electrical / Environmental  Surface Mount Planar Transformers • Operating Temperature Range • Ambient Temperature, Maximum -25°C to +125°C 85°C Specifications Part Number Power Rating Turns Ratio Pri Sec Pri, P1 Inductance(1) (µH) Min. Leakage Inductance(2) (µH) Typ. DCR(3) mΩ Max. P1 S1 S2 Pri-Sec Isolation HM90-24240 HM90-29240 HM90-27141 HM90-30181 Flyback 300kHz 60W 48V to 23V 5A Flyback 300kHz 60W 48V to 23V 5A Half Bridge 100kHz 125W 48V to 5V 25A Forward 300kHz 55W 48V to 5V 8A/3.3V 4.5A 5 5 8 10 1 1 1:1 2:3 23.5 23.5 140.0 180.0 0.47 0.47 0.40 0.40 100.0 100.0 35.0 54.0 10.0 10.0 3.5 5.0 – – 3.5 9.0 1000Vac 1000Vac 1200Vdc 1500Vdc Notes: (1) Inductance is measured at 100kHz. 0.1V without DC current. (2) Leakage inductance is measured at P1 with all other windings shorted. (3) DC resistance is measured at 25°C. Outline Dimensions (mm) / Schematics HM90-24240 Top View Side View Recommended PCB Pattern Schematic HM90-29240 Top View Side View Recommended PCB Pattern Schematic 66 MAGNETIC COMPONENTS SELECTOR GUIDE 2006 EDITION We reserve the right to change specifications without prior notice. www.bitechnologies.com Outline Dimensions (mm) / Schematics HM90-27141 Top View Side View Recommended PCB Pattern Schematic HM90-30181 Top View Side View Recommended PCB Pattern Schematic Ordering Information HM90 Model Series Case Size: 24 240 TR Tape & 13” Reel (150 Units/Reel) Inductance Code: First 2 digits are significant. Last digit denotes the number of trailing zeros. For values below 10µH, ‘R’ denotes the decimal point 2006 EDITION MAGNETIC COMPONENTS SELECTOR GUIDE www.bitechnologies.com We reserve the right to change specifications without prior notice 67