SPECIFICATION

MODEL

DCVOLTAGE

RATEDCURRENT

CURRENTRANGE

RATEDPOWER

OUTPUT

VOLTAGE ADJ.RANGE

LINEREGULATION

LOADREGULATION

SETUP,RISETIME

HOLDUP TIME (Typ.)

VOLTAGERANGE

FREQUENCY RANGE

EFFICIENCY (Typ.)

INPUT

INRUSHCURRENT (Typ.)

WITHSTANDVOLTAGE

ISOLATIONRESISTANCE

WORKINGHUMIDITY

WORKINGTEMP.

STORAGETEMP.,HUMIDITY

TEMP.COEFFICIENT

VIBRATION

MTBF

DIMENSION

OTHERS

NOTE

PACKING

OVERLOAD

OVERVOLTAGE

ACCURRENT (Typ.)

500ms,20ms/230VAC500ms,20ms/115VACatfullload

50ms/230VAC16ms/115VACatfullload

85~264VAC120~370VDC

47~440Hz

75%

71%

81%

13.8~16.2V

83%

17.25~20.25V

84%

27.6~32.4V

0.6A/115VAC0.4A/230VAC

COLDSTART 30A/115VAC65A/230VAC

5.75~6.75V

3.8~4.46V

Protectiontype: Hiccupmode,recoversautomaticallyafterfaultconditionisremoved

Protectiontype: Shutdowno/pvoltage,recoversautomaticallyaftertemperaturegoesdown

20~90%RHnon-condensing

-20~+60

(Refertooutputloadderatingcurve)

-40~+85

,10~95%RH

0.03%/

(0~50

)

10~500Hz,2G10min./1cycle,periodfor60min. eachalongX, Y,Zaxes

487.8Khrsmin.MIL-HDBK-217F(25

)

89*51*19.3mm(L*W*H)

0.09Kg;105pcs/10.5Kg/0.97CUFT

FileName:NFM-20-SPEC2009-06-29

1.5%

1.5%

0.5%

0.5%

0.5%

0.5%

0.5%

0.5%

1.0%

1.0%

2.0%

2.0%

1.0%

1.0%

1.0%

80mVp-p

80mVp-p

150mVp-p

150mVp-p

240mVp-p

3.3V

12V

15V

24V

4.4A

4.5A

1.8A

1.4A

0.92A

0~4.4A

0~4.5A

0~1.8A

0~1.4A

0~0.92A

22W

14.85W

21.6W

21W

22.08W

NFM-20-5

NFM-20-12

NFM-20-15

NFM-20-24

NFM-20-3.3

SAFETY STANDARDS

20WOutputSwitchingPowerSupply

Features :

EMICONDUCTION&RADIATION

1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25

of ambient temperature.

2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.

3. Tolerance : includes set up tolerance, line regulation and load regulation.

4. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets

EMC directives.

5. The over temperature protection (OTP) is the built-in function of the control IC (U1). The activating level described above is based on the specification

provided by the IC manufacturer.

ENVIRONMENT

SAFETY &

EMC

(Note4)

PROTECTION

Tj160

typically(U1)detectonmaincontrolIC

Protectiontype: Shutoffo/pvoltage,clampingbyzenerdiode

10.8~13.2V

13.5~16.5V

21.6~26.4V

4.5~5.4V

3.1~3.6V

CompliancetoEN55011

,EN55022(CISPR22)ClassB

(CISPR11)

LEAKAGECURRENT

<200uA /240VAC

HARMONICCURRENT

EMSIMMUNITY

Complianceto EN61000-3-2,-3

CompliancetoEN61000-4-2,3,4,5,6,8,11;ENV50204,EN55024,EN60601-1-2,EN61204-3,medicallevel,criteria A

I/P-O/P:4KVACI/P-FG:1.5KVACO/P-FG:1.5KVAC

I/P-O/P,I/P-FG,O/P-FG:100MOhms/500VDC

UL60601-1,TUVEN60601-1,IEC60601-1approved

Universal AC input / Full range

Protections: Short circuit / Overload / Over voltage / Over temperature

Ultra-miniature size, light weight

Cooling by free air convection

UL60601-1/IEC60601-1/EN60601-1 medical safety approved

No load power consumption<0.75W

100% full load burn-in test

Optional on-board type version available

Fixed switching frequency at 90KHz

High reliability

3 years warranty

5V

EN60601-1

IEC60601-1