At a glance
- Output Voltage
- 5 V
- Rated Output Current
- 4.4 A
- Rated Output Power
- 22 W
- Input Voltage Range
- 85 to 264 V AC, 120 to 370 V DC
- Isolation Level
- Primary to secondary: 2 x MOPP
- Efficiency (typ.)
- 75%
Model NFM-20-5Current modelMEAN WELL NFM-20-5 Open Frame Power Supply, 5 V, 4.4 A, 22 W
Price on request
At a glance
- Output Voltage
- 5 V
- Rated Output Current
- 4.4 A
- Rated Output Power
- 22 W
- Input Voltage Range
- 85 to 264 V AC, 120 to 370 V DC
- Isolation Level
- Primary to secondary: 2 x MOPP
- Efficiency (typ.)
- 75%
Small medical grade open frame board built into equipment that needs a low leakage, double isolated DC supply from the mains. Open frame power supply, 5 V, 4.4 A, 22 W. Universal AC input, full range.
Include the required quantity and configuration in your quote request. Price and availability will be confirmed in the quotation.
- WarrantyManufacturer warranty under MEAN WELL's terms: 3 years. Warranty claims
- DeliveryPrice, availability and delivery charges are confirmed in your quotation. Shipping and delivery
Overview
What it is
The MEAN WELL NFM-20-5 is a open frame power supply from the NFM-20 series (20 W Single Output Medical Grade Switching Power Supply), rated 5 V, 4.4 A, 22 W.
What it is used for
A compact open frame supply built into medical and other equipment that needs medical grade isolation. It is a component and must be mounted inside a final enclosure.
Key features
- Universal AC input, full range.
- Protection against short circuit, overload, over voltage and over temperature.
- Medical safety approval with 2 x MOPP between primary and secondary.
- No load power consumption below 0.75 W.
- Cooling by free air convection.
- Fixed switching frequency of 90 kHz.
Key Specifications
- Output Voltage: 5 V.
- Rated Output Current: 4.4 A.
- Rated Output Power: 22 W.
- Input Voltage Range: 85 to 264 V AC, 120 to 370 V DC.
- Isolation Level: Primary to secondary: 2 x MOPP.
Buying considerations
Size the unit with headroom above the connected load and check the derating information in the datasheet for high ambient temperature or low input voltage. Other models in the same series are listed on this page.
Installation considerations
MEAN WELL treats this unit as a component of the final equipment, so approvals and EMC performance should be confirmed for the complete installation. Wiring and safety details are in the official datasheet linked below.
Features
Size and fit
- Dimensions
- 89 x 51 x 19.3 mm (L x W x H)
- Weight
- 0.09 kg
- Mounting
- Open Frame
Technical specifications
Key facts
- What is it?
- Open frame power supplyBrand MEAN WELL, model NFM-20-5
- What does it output?
- 5 V, 4.4 A, 22 W
- What input does it accept?
- 85 to 264 V AC, 120 to 370 V DC
- How does it mount?
- Open Frame
- Which documents are available?
- Datasheet Open documents
Output
- Output Voltage
- 5 V
- Rated Output Current
- 4.4 A
- Output Current Range
- 0 to 4.4 A
- Rated Output Power
- 22 W
- Output Voltage Adjustment Range
- 4.5 to 5.4 V
- Output Voltage Tolerance
- ±2.0%
- Ripple and Noise (max.)
- 80 mVp-p
- Efficiency (typ.)
- 75%
Input
- Input Voltage Range
- 85 to 264 V AC, 120 to 370 V DC
- Input Frequency Range
- 47 to 440 Hz
Protection
- Withstand Voltage
- I/P-O/P: 4 kV AC, I/P-FG: 2 kV AC, O/P-FG: 1.5 kV AC
- Isolation Level
- Primary to secondary: 2 x MOPP
Environment
- Operating Temperature
- -20 to +60 °C (refer to derating curve)
- Operating Humidity
- 20 to 90% RH non-condensing
- Cooling
- Free air convection
Physical
- Dimensions
- 89 x 51 x 19.3 mm (L x W x H)
- Weight
- 0.09 kg
- Mounting
- Open Frame
Approvals
- MTBF
- 487.8 K hours min. (MIL-HDBK-217F, 25 °C)
Other
- Series
- NFM-20
- Warranty
- Manufacturer warranty under MEAN WELL's terms: 3 years. How claims work
Product attributes and shipping details
| Brand | MEAN WELL |
|---|---|
| Power Output | 22 W |
Downloads
Documentation
- NFM-20 series datasheetDatasheet · Family · meanwell.comDownload
Series documents can differ from your exact model. Report a wrong or missing file
Questions about this product
What input voltage does the NFM-20-5 accept?
MEAN WELL lists 85 to 264 V AC, 120 to 370 V DC for this model.
Ask about this modelSetup, compatibility, what is in the box
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Looking for an alternative?
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