High Voltage Resistor (30kV, 50W, 1kΩ-100kΩ)

This 30kV, 50W High Voltage Resistor is designed for demanding high-voltage applications where reliability, stability, and controlled current limiting are essential. Available in resistor values from 1kΩ to 100kΩ, it is well suited for use in high-voltage pulse circuits, discharge circuits, voltage limiting networks, damping circuits, and general high-voltage power electronics.

The resistor uses a robust high-voltage glass glaze construction with a low-inductance design, making it an excellent choice for fast pulse applications where ordinary resistors may introduce unwanted ringing, overshoot, or parasitic effects. Its non-inductive characteristics are especially valuable when working with MOSFET switches, stacked MOSFET switches, pulse generators, capacitor discharge circuits, and other fast-switching high-voltage systems.

One of the most important use cases for this high voltage resistor is as a ballast resistor in pulse applications. When used together with a MOSFET switch or stacked MOSFET switch, the resistor can help limit peak current so the switching device stays within its safe operating range. This makes it highly useful for spark-gap testing, plasma experiments, pulsed electric field systems, high-voltage capacitor discharge setups, and other applications where controlled current limiting is required.

The 50W power rating allows the resistor to absorb significant energy in high-voltage environments, while the 30kV voltage rating makes it suitable for compact but demanding HV circuits. It can be used for capacitor charging and discharging, surge limiting, pulse shaping, high-voltage damping, arc suppression, dummy loads, load balancing, and protection of sensitive high-voltage components.

This resistor is also suitable for high-voltage measurement and voltage divider applications when combined with the correct resistor network and measurement equipment. It can be used in scientific instruments, laboratory test setups, X-ray equipment, electrostatic systems, high-voltage power supplies, pulse modulators, and experimental energy research where dependable high-voltage resistor performance is required.

Whether you are building a high-voltage pulse generator, protecting a MOSFET switch, limiting capacitor discharge current, or designing a reliable HV test circuit, this high voltage resistor provides a practical and robust solution for controlled energy handling in demanding electrical environments.

Detailed technical specifications, including resistor value options, voltage rating, power rating, tolerance, temperature coefficient, dimensions, and operating temperature range, are available under the Specification tab on this product page.

Available resistor values include 1 kΩ, 2 kΩ, 3 kΩ, 5 kΩ, 10 kΩ, 20 kΩ, 30 kΩ, 50 kΩ, and 100 kΩ, making it easy to select the correct high voltage resistor value for current limiting, ballast resistor use, damping, pulse testing, and HV circuit protection.