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Mean Well

Mean Well NFM-15-15 Power Supply 15W 15V 1A

SKU NFM-15-15
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End of Life, Succeeded by MFM-15-15
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Overview

NFM-15-15 is the 15V output model of this series: rated current 1A, rated power 15W, typical efficiency 79%.

Features

  • Universal AC input / Full range
  • Protections: Short circuit / Over load / Over voltage / Over temperature
  • Ultra-miniature size, light weight
  • Cooling by free air convection
  • Isolation classⅡ
  • Medical safety approved (2 x MOPP between primary to secondary)
  • No load power consumption<0.5W
  • 100% full load burn-in test
  • Fixed switching frequency at 67KHz
  • High reliability
  • Suitable for BF application with appropriate system consideration
  • 3 years warranty

Specifications

NFM-15-15Specifications from the official datasheet (2022-09-20 edition)

OUTPUT

DC VOLTAGE
15V
RATED CURRENT
1A
CURRENT RANGE
0 ~ 1A
RATED POWER
15W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ. RANGE
13.5 ~ 16.5V
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIME
1000ms, 20ms/230VAC 1000ms, 20ms/115VAC at full load
HOLD UP TIME (Typ.)
100ms/230VAC 24ms/115VAC at full load

INPUT

VOLTAGE RANGE
85 ~ 264VAC 120 ~ 370VDC
FREQUENCY RANGE
47 ~ 440Hz
EFFICIENCY (Typ.)
79%
AC CURRENT (Typ.)
0.35A/115VAC 0.2A/230VAC
INRUSH CURRENT (Typ.)
COLD START 30A/115VAC 50A/230VAC
LEAKAGE CURRENTNote.6
Touch current < 80μA/264VAC

PROTECTION

OVERLOAD
Above 105% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
17.25 ~ 20.25V Protection type : Shut off o/p voltage, clamping by zener diode
OVER TEMPERATURENote.5
Tj 140℃ typically (U1) detect on main control IC Protection type : Shut down o/p voltage, recovers automatically after temperature goes down

ENVIRONMENT

WORKING TEMP.
-20 ~ +70℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC (Note 4)

SAFETY STANDARDS
ANSI/AAMI ES60601-1,TUV EN60601-1, IEC60601-1, UL60950-1, EAC TP TC 004 approved
ISOLATION LEVEL
Primary-Secondary: 2xMOPP
WITHSTAND VOLTAGE
I/P-O/P:4KVAC
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to EN55011(CISPR11), EN55032 (CISPR32) Class B, EN61000-3-2,-3, EAC TP TC 020
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8,11, EN55035, EN60601-1-2, EN61204-3, medical level, EAC TP TC 020

OTHERS

MTBF
499.7Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
70*48*22mm (L*W*H)
PACKING
0.065Kg; 120pcs/8.8Kg/0.94CUFT
Test conditions and notes7
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 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. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 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. 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.
  6. 6. Touch current was measured from primary input to DC output.
  7. 7. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

NFM-15-15 Mechanical Specification
Mechanical Specification
NFM-15-15 Block Diagram
Block Diagram
NFM-15-15 Derating Curve
Derating Curve

Downloads

FAQ

Can I use the NFM-15-15 for 15V instrumentation or analog control electronics?

It can be used for equipment that requires a constant 15V supply and stays within 1A and 15W. That makes it suitable for lower-power instrumentation, signal-conditioning, or control electronics that run on 15V. The load must remain within the rated output current and power.

Is the NFM-15-15 appropriate for embedded industrial devices that need 15V DC?

Yes, when the device is designed for 15V constant-voltage input and draws no more than 1A. With a wide 85-264VAC input range, it can support use in equipment intended for different AC mains conditions. It is better suited to modest embedded or automation loads than to higher-power 15V hardware.

Can this model power small 15V actuator control or interface circuits?

It can fit small 15V control or interface circuits as long as total demand remains at or below 15W and 1A. That makes it useful for auxiliary electronics in automation equipment where a regulated 15V rail is needed. It is not sized for larger 15V loads beyond its rating.

Is the NFM-15-15 suitable for outdoor or high-temperature equipment use?

The specified operating temperature range is -20C to +70C, so it covers a broad temperature span. No IP rating is listed in the provided product data, so the specs do not state protection against dust or water ingress. Based on the available specs, environmental suitability is defined by temperature range, not by an outdoor-rated enclosure.

How does the NFM-15-15 compare with other 15V NFM models?

The NFM-15 series includes models with different output voltages such as 3.3V, 5V, 12V, 15V, and 24V. The NFM-15-15 is the 15V variant, rated at 15W and 1A. Other models in the series have different current ratings and output voltages, so the NFM-15-15 is the specific choice for 15V applications within this 15W family.

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Mean Well

Mean Well NFM-15-15 Power Supply 15W 15V 1A

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NFM-15-15 is the 15V output model of this series: rated current 1A, rated power 15W, typical efficiency 79%.

Features

  • Universal AC input / Full range
  • Protections: Short circuit / Over load / Over voltage / Over temperature
  • Ultra-miniature size, light weight
  • Cooling by free air convection
  • Isolation classⅡ
  • Medical safety approved (2 x MOPP between primary to secondary)
  • No load power consumption<0.5W
  • 100% full load burn-in test
  • Fixed switching frequency at 67KHz
  • High reliability
  • Suitable for BF application with appropriate system consideration
  • 3 years warranty
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