2026-15-C2LF

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Gas Discharge Tube Arresters (GDT) are devices used to protect sensitive electronic equipment from transient voltage surges. They do this by absorbing and containing the surge, dissipating the energy into the ground, and then allowing the protected circuit to return to normal. The GDT device consists of two main components: a spark gap assembly and a voltage-dependent resistor (VDR). The spark gap interrupts and short-circuits the surge, while the VDR dissipates the surge current.

The 2021-15-C2LF application field is the protection of electrical and electronic circuits from transient voltage surges. The surge can originate from lightning strikes, or other sources such as switching power supplies and industrial machines. The C2LF is rated to handle surges up to 12 kV of transient current. The device has a multi-stage design that works in five stages: spark gap, voltage down-converter, external resistor, commutator tube, and an external capacitor. The spark gap works as an interruptor to short the surge, while the voltage down-converter converts the high voltage to a lower one. This lower voltage is then dissipated by the external resistor. The commutator tube then disconnects the device from the circuit, thus preventing current from flowing back through the device. Finally, the external capacitor is used to store the energy from the transient surge.

The working principle for this device is fairly straightforward. When the surge reaches the spark gap, the gap opens and interrupts the surge, which is then directed to the down-converter. Here the voltage of the surge is reduced for safe operation. This lower voltage is then dissipated by the external resistor, and the commutator tube then disconnects the device from the circuit. Finally, the energy is stored by the external capacitor. The device is effective in giving instantaneous protection against transient voltage surges.

In conclusion, the 2021-15-C2LF is an effective transient voltage surge protection device. It is designed to protect electrical and electronic circuits from transient voltage surges, and its multi-stage design works in five stages to safely absorb and dissipate surge energy. The device is effective in providing instantaneous protection. As such, it is an essential component for the protection of sensitive electronic equipment.

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