Power adapters and transformers are both devices used to convert and transmit electrical energy, but there are some important differences in how they work and function:

1. Working principle:

Power adapter: A power adapter is a device that converts alternating current to direct current. It converts alternating current into direct current required by the equipment through an internal rectifier circuit and a voltage regulator circuit. Power adapters usually have built-in over current, over voltage, short circuit and overload protection functions to ensure user safety.

Transformer: Transformer is a device that converts the original voltage into the target voltage through magnetic induction. It is mainly composed of an iron core and a coil, and the original current interacts with the input coil and the magnetic field of the iron core to generate electromagnetic induction, which outputs the target voltage on the output coil. The input and output voltages of transformers are usually different, but there are some special types of transformers that have the same input and output voltages.

2. Functions and Applications:

Power adapter: The main function of the power adapter is to provide stable direct current for various electronic devices. It is commonly used in a variety of devices that require direct current, such as mobile phones, laptops, tablets, electronic watches, etc. The output voltage and current of the power adapter must match the specifications of the device; otherwise, the device may be damaged.

Transformer: The main function of the transformer is to change the voltage of the alternating current. It is commonly used for voltage conversion in power systems, as well as for isolating and regulating power supplies in electronic devices. The input and output voltages of transformers are usually different, but there are special types of transformers that have the same input and output voltages.

3. Appearance and composition:

Power adapter: A power adapter is usually a small electronic device that looks similar to a small charger or block. It usually consists of a shell, transformer, inductor, capacitor, control IC, PCB board and other components. Some high-quality power adapters may also be equipped with over current, over voltage, short circuit, overload and anti-static protection.

Transformer: A transformer is usually a larger device used for voltage conversion in a power system. It is mainly composed of iron core, copper wire and skeleton. The input and output ends of a transformer usually have different voltages and currents, but there are some special types of transformers that have the same input and output voltages and currents.

4. Conclusion

In short, although adapters and transformers are components in electronic devices, their functions and use scenarios are different, and it is necessary to choose which component to use according to the specific situation. For the average consumer, understanding the differences between adapters and transformers helps to correctly select and use electronic devices.

Our certified transformer models are as follows:

JV-1205000VS

JV-1204166VS

JV-1203333VS

JV-1202500VS

JV-1202083VS

JV-1201670VS

JV-1200833VS