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MAGNETIC COMPONENTS SELECTOR GUIDE 2006 EDITION

We reserve the right to change specifications without prior notice.

66

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

(

(

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

Schematic

Recommended PCB Pattern

Part Number

Power Rating

Turns Ratio