HPH Series

www.murata-ps.com

Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other

technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply

the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without

notice.

© 2008 Murata Power Solutions, Inc.

USA:

Mansfield (MA), Tel: (508) 339-3000, email: sales@murata-ps.com

Canada:

Toronto, Tel: (866) 740-1232, email: toronto@murata-ps.com

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Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com

Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com

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Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com

Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com

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Parkway Centre, Tel: +65 6348 9096, email: singapore@murata-ps.com

Murata Power Solutions, Inc.

11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.

Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356

www.murata-ps.com email: sales@murata-ps.com ISO 9001 and 14001 REGISTERED

02/19/09

MDC_HPH_A12 Page 12 of 12

Typical Performance Curves, Continued

70

75

80

85

90

95

100

3

6

9

1215

1821242730

0

8

16

24

32

40

48

HPH-12/30-D48

Efficiency and Power Dissipation Vs. Line Voltage and Load Current @ +25ºC

Load Current (Amps)

VIN = 75V

VIN = 48V

VIN = 36V

Power Dissipation @ Vin = 48V

0

5

10

15

20

25

30

35

30

35

40

45

50

55

60

65

70

75

80

85

Ambient Temperature (ºC)

HPH-12/30-D48 Maximum Current Temperature Derating at Sea Level

(Vin = 48V, Airflow is from input to output, baseplate is installed)

Natural convection

100 LFM

200 LFM

300 LFM

400 LFM