MEANWELL Pulse Power Supply, 3.3V 20A, 66W

Chargers > 2.4 - 3V - Single cell
1 2 3 4
Manufacturer: MEANWELL
Art.#: MW-LRS-100-3.3
24.20$Price without VAT:
Stock status : Out of stock!
Available in 15 days


Individual pricing for large scale projects and wholesale demands is available.
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phone: +420 277 007 550
email: [email protected]

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Shipping weight: 0.47 kg
Single output switching power supply 3.3V, with regulated current range 0~20A, 66W

Product description

In addition to the high efficiency up to 91%, the design of the metallic mesh case enhances the heat dissipation of LRS-100 that the product operates from -30 °C through +70 °C under air convection without a fan. Delivering an extremely low no-load power consumption (less than 0.3W), it allows the end system to easily meet the worldwide energy requirement. It complies with safety regulations such as TUV EN60950-1, EN60335-1, EN61558-1/-2-16, UL60950-1, and GB4943. It serves as a high price-to-performance power supply solution for various industrial applications.


FAQ When the cell voltage (3.65 V) is reached, the charger must be manually disconnected from the terminals. Disconnecting the charger from the mains only will cause the cell to discharge it.

Product features

  • Universal AC input / Fulll range
  • Protection: Short circuit / Over voltage / Over load
  • Cooling by free air convection
  • 100% full load burn-in test
  • No load power consumption <0.3W
  • Withstand 5 G vibration test
  • Whistand 300VAC surge input for 5 seconds
  • High operating temperature up to +70 °C
  • High efficiency, long life and high reliability
  • Comply with IEC/EN 60335-1 (PD3) and IEC/EN61558-1, 2-16 for household appliances

    • Technical specification

  • DC voltage: 3.3V
  • Current range: 0 ~ 20A
  • Voltage adj. range: 2.97 ~ 3.6V
  • Rated current: 20A
  • Rated power: 66W
    • PowerAssist

    Block diagram


    Derating curve and static characteristics




    FAQ Manual about detailed product description, operation, installation and technical specification can be found here.


    Weight (kg) 0.34
    Height (mm) 30
    Width (mm) 97
    Depth (mm) 129
    Nominal Voltage (V) 3.3
    Max. voltage (V) 3.6
    Charging current (A) 20
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