web statistics
  • NFM-20-3.3 Mean Well Power Supply


Mean Well Authorized Distributor since 1997

Model No.  NFM-20-3.3

Max Output Wattage (W) - 20 Watts

Output Voltage (VDC) - 3.3 Volts

Model No. NFM-20-3.3 NFM-20-5 NFM-20-12- NFM-20-15 NFM-20-24
Output:  DC Voltage 3.3V 5V 12V 15V 24V
Rated Current 4.5A 4.4A 1.8A 1.4A 0.92A
Current Range 0~4.5A 0~4.4A 0~1.8A 0~1.4A 0~0.92A
Rated Power 14.85W 22W 21.6W 21W 22.08W
Ripple & Noise (max.) 80mVp-p 80mVp-p 150mVp-p 150mVp-p 240mVp-p
Voltage ADJ. Range 3.1 ~ 3.6V 4.5 ~ 5.4V 10.8 ~ 13.2V 13.5 ~ 16.5V 21.6 ~ 26.4V
Voltage Tolerance ±2.0% ±2.0% ±1.0% ±1.0% ±1.0%
Line Regulation ±1.0% ±1.0% ±0.5% ±0.5% ±0.5%
Load Regulation ±1.5% ±1.5% ±0.5% ±0.5% ±0.5%
Setup, Rise Time 500ms, 20ms / 230VAC  ---- 500ms, 20ms / 115VAC at full load
Hold up Time 50ms/230VAC - - -16ms/115VAC at full load
Input: Voltage Range 85~264VAC 120~370VDC

Frequency Range

47~440Hz
Efficiency (Typ.) 71% 75% 81% 83% 84%
AC Current (Typ.) 0.6A / 115VAC------0.4A / 230VAC
Inrush Current (Typ.) COLD START 30A/115VAC-----65A/230VAC
Leakage Current Earth leakage current<300 A / 264VAC Touch current <100/A/264/VAC
Protection Overload Above 105% rated output power
Protection type: Hiccup mode, recovers automatically after fault condition is removed
Over Voltage 3.8 ~ 4.46V 5.75 ~ 6.75V 13.8 ~ 16.2V 17.25 ~ 20.25V 27.6 ~ 32.4V
Protection type: Shut off o/p voltage, clamping by zener diode
Over Temperature
Tj160C typically (U1) detect on main control IC
Protection type: Shut down o/p voltage, recovers automatically after temperature goes down.
Environment: Working Temp. -20 ~ +60°C (Refer to "Derating Curve")
Working Humidity 20 ~ 90% RH non-condensing
Storage Temp., Humidity -40 ~ +85°C, 10 ~ 95% RH
Temp. Coefficient ±0.03%/°C (0 ~ 50°C)
Vibration  10 ~ 500Hz, 2G 10min. / 1cycle, period for 60min. each along X, Y, Z axes
Safety & EMC Safety Standards ANSI/AAMI ES60601-1,TUV EN60601-1, IEC60601-1, approved
Withstand Voltage I/P - O/P : 4KVAC I/P-FG:2KVAC O/P-FG:1.5KVAC
Isolation Resistance I/P - O/P, I/P-FG ,O/P-FG:100M Ohms / 500VDC / 25°C / 70% RH
EMC Emission Compliance to EN55011(CISPR11) EN55022(CISPR22), Class B, EN61000-3-2,-3
EMC Immunity Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, EN60601-1-2, EN61204-3, medical level, criteria A
Others:  MTBF 487.8Khrs min. MIL-HDBK-217F (25°C)
Dimension 89 x 51 x 19.3mm (LxWxH)
Packing 0.09Kg; 105pcs / 10.5Kg / 0.97CUFT
Electrical Specifications
Dimensions 89 x 51 x 19.3 mm
Input Voltage 85~264VAC
Number of Outputs 1
Output Voltage 3.3V
PDF Specs View Spec Sheet
Wattage 20
General
Industry Aliases new

NFM-20-3.3 Mean Well Power Supply

  • Brand: Mean Well
  • Product Code: NFM_20-3.3
  • Availability: 86
  • $13.70

  • Ex Tax: $13.70

©2024 Peak to Peak Power, Inc. All Rights Reserved. Marketing by Digital Lightbridge.