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  Datasheet File OCR Text:
 Electrical / Environmental
Surface Mount Planar Transformers
* Operating Temperature Range * Ambient Temperature, Maximum -25C to +125C 85C
Specifications
Part Number Power Rating Turns Ratio
Pri Sec Pri, P1 Inductance(1) (H) Min. Leakage Inductance(2) (H) Typ. DCR(3) m 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 25C.
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 10H, `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


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