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