The 15kV high-frequency transformer with UU magnetic core is much larger and more powerful than the 10kV high-frequency transformer with EE magnetic core.

Note: the high-voltage winding of the transformer is in the inner layer, which is wound with segmented skeleton and encapsulated with epoxy resin, and the low-voltage winding is in the outer layer. Please do not mistakenly think that the high-voltage winding of the transformer is wound in the same way as the low-voltage winding.

Approximate size: 29 × twenty-four × 18mm long × wide × Height, irregular size, measuring the most protruding part)

Purpose: middle school science popularization experiment, electronic instrument, anion generator, science small production, etc. When this circuit works, it produces a stable high-frequency arc with extremely high temperature, which can easily ignite combustibles. Therefore, it is called plasma lighter (* endnote).

The transformer has two primary windings, one main winding and one feedback winding. The secondary output is high voltage.

When the secondary high-voltage output of the transformer is not connected to the high-voltage rectifier diode and capacitor, the output is high-frequency high-voltage electricity. When it breaks down in the air, it is a light purple arc without crackle, but the temperature is very high. It can easily ignite paper, plastic and even very thin iron wire (such as the scene of thin iron wire burning in oxygen in junior high school chemical test, but it is not as violent as oxygen.)

If several high-voltage capacitors and high-voltage rectifiers are connected to the output end to form a voltage doubling circuit, DC high voltage can be generated and a negative ion generator can be made.

Note: This transformer is also applicable to 12V voltage, but the base feedback resistance needs to be increased to about 150 Ω ~ 1.5k Ω. The resistance value should be adjusted from large to small. It should not be too small. Otherwise, it should not be too large to burn the triode or transformer, which will affect the output effect or make the triode work in non switching state and cause serious heating.

In addition：The transformer is designed with a maximum output of 15kV, and the maximum limit output shall not exceed 15kV, that is, 1.5cm arc. Higher output voltage is likely to damage the transformer. For reliable and long-term continuous operation, it is recommended to completely seal it with insulating wax or epoxy resin. No load is allowed when it is not sealed!

Package Included:
1 x Voltage Inverter