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JMT External Receiver Power Supply UBEC Module 3A 2-5s 5A for RC Helicopter Airplane Muiti Rotor Drone Item NO.: F11315-D2 F11315-D3

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Product Name	JMT External Receiver Power Supply UBEC Module 3A 2-5s 5A for RC Helicopter Airplane Muiti Rotor Drone
Item NO.	F11315-D2 F11315-D3
Weight	0.055 kg = 0.1213 lb = 1.9401 oz
Category	DIY RC Drone Accessories > Receiver
Creation Time	2021-09-08

External Receiver Power Supply UBEC Module 3A 2-5s 5A for RC Helicopter Airplane Muiti Rotor Drone

Features:
1 Adopting switching power supply structure design, the switching power supply main control chip frequency is 300KHz, and it has over-current and over-temperature protection functions, and the chip efficiency is as high as 92%;
2 Body is small and light;
3 The electronic device is protected by the shielding cover, and the output line is equipped with a magnetic ring, which greatly reduces electromagnetic interference and ensures the normal operation of the receiver
4 It has a protection function to prevent the polarity of the power supply from being reversed. If the power supply is accidentally reversed, it will not cause damage to the UBEC
Advantages compared with traditional BEC:
Compared with BEC with linear voltage regulator, the advantages of BEC using switching power supply are mainly reflected in: when using more than 3 strings (11.1V) batteries, it can greatly reduce the heating of BEC and improve the overall efficiency.
For example: when using 4 strings of lithium batteries, the voltage is about 14.8V in normal use.
●Using the transmission linear voltage stabilization method, to output a current of 5V/1A, the power supply terminal must also input a current of 1A. Therefore, there will be 14.8V×1A= 14.8W power consumption on BEC, but the actual useful output of BEC is only 5V×1A=5W, so the overall efficiency is only 5/14.8= 33.8%, and the power consumption of 9.8W is converted into Heat, so it will cause the BEC to overheat, and the chip will enter the protection state and cannot work;
●Using the switching power supply mode, to output 5V/1A current, our actual test shows that the power supply terminal only needs to input 0.38A current, that is, 14.8V×0.38A= 5.6W power