Notes

1

Natural convection cooled, 40W maximum.

2

Peak output current lasting less than 30 seconds with duty cycle less than

10%. During peak loading, outputs may go outside of total regulation

limits. Peak total power must not exceed 60W.

3

Forced air, 20 CFM at 1 atmosphere, 50W maximum.

4

Figure is peak-to-peak. Output noise is measured across a 50MHz

bandwidth using a 12 inch twisted pair, terminated with a 47µF capacitor.

5

Total regulation is defined as the static output regulation at 25°C, including

initial tolerance, line voltage within stated limits, load currents within stated

limits, and output voltages adjusted to their factory settings. Also,

0.25<I(A)/I(B)<5.0 to maintain stated regulation. This does not apply to

NFS40-7628 and NFN40-7628 power supplies as both have regulated

auxiliary outputs.

6

A minimum load of 0.5A is required on the +5V output to obtain full current

from the negative output.

7

The NFS40 offers the possibility of power sharing between outputs.

Consult factory for details.

8

Derating curve is application specific for ambient temperatures >50°C, for

9

A 4W minimum load is required to achieve the NFS design MTBF. This

restriction does not apply to the NFN series.

10 Caution: Allow a minimum of 1 second after disconnecting the power when

making thermal measurements.

11 Three orthogonal axes, sweep at 1 octave/minute, 5 minute dwell at four

major resonances.

12 The NFS40-7628 and NFN40-7628 have separately linear regulated +12V

and -12V outputs. The loading conditions in note 5 and note 6 do not

apply.

13 This product is only for inclusion by professional installers within other

equipment and must not be operated as a stand alone product.

Output Power (Watts)

20W

40W

4W MIN LOAD REQ. TO ACHIEVE NFS DESIGN MTBF

50W

4W

20 CFM FORCED AIR COOLING

25W

NATURAL

CONVECTION

COOLING

40 to 50 Watt

AC/DC universal input switch mode power supplies

LOW TO MEDIUM POWER AC/DC POWER SUPPLIES

|

40-50W AC/DC

International Safety Standard Approvals

NFS40: VDE0805/EN60950/IEC950/IEC1010 File No. 10401-3336-1044

Licence No. 4389, 2559, 1651 and 1044

NFN40: VDE0805/EN60950/IEC950/IEC1010 File No. 10401-3336-1067

Licence No. 4389, 2559, 1651 and 1044

UL1950 File No. E136005

CSA C22.2 No. 950 File No. LR41062C

PAGE 25

http://www.artesyn.com

OUTPUT

OUTPUT CURRENTS

TOTAL

VOLTAGE

+5.1V (A)

3A

7A

5A

50mV

±2.0%

+12.0V (B)

2A

3A

2A

120mV

±5.0%

–12.0V (C)

0.35A

1A

0.5A

120mV

±5.0%

+5.1V (A)

4A

7A

5A

50mV

±2.0%

+12.0V (B)

0.35A

1A

0.5A

120mV

±5.0%

–12.0V (C)

0.35A

1A

0.5A

120mV

±5.0%

+5.1V (A)

3A

7A

5A

50mV

±2.0%

+12.0V (B)

2A

3A

2A

120mV

±5.0%

–5.0V (C)

0.35A

1A

0.5A

50mV

±5.0%

+5.1V (A)

3A

7A

5A

50mV

±2.0%

+15.0V (B)

2A

2.5A

2A

150mV

+10.0%/–3.0%

–15.0V (C)

0.35A

1A

0.5A

150mV

±5.0%

+5.1V

6A

12A

8A

100mV

±2.0%

NFS40-7605

NFN40-7605

+12.0V

3.3A

5A

4A

120mV

±2.0%

NFS40-7612

NFN40-7612

+15.0V

2.6A

4A

3.3A

150mV

±2.0%

NFS40-7615

NFN40-7615

+24.0V

1.6A

2.5A

2A

240mV

±2.0%

NFS40-7624

NFN40-7624

1