The Power of Ceramic Non-Inductive Resistors in Modern Electronics

 


Bulk Ceramic Non-Inductive Resistors

When traditional resistors just won't do for your tough design problem, Kanthal Globar bulk ceramic non-inductive resistors offer the solution. We offer a full line of rugged, reliable bulk ceramic resistors — including custom designs — to meet the high voltage and high energy requirements of the most demanding applications.

Key Applications

  • Capacitor Charge Resistor
  • Capacitor Discharge Resistor
  • Snubber Resistor
  • In-Rush Current Limit Resistor
  • Soft Start Resistor
  • High Power Resistor
  • High Voltage Resistor
  • Dynamic Braking Resistor
  • RF Dummy Load Resistor
  • Test Load Resistor
  • Inverter Resistor
  • Rectifier Resistor
  • Power Converter Resistor
  • Transformer Protection Resistor
  • Harmonic Filter Resistor
  • Chopper Resistor
  • Carbon Composition Replacement Resistor
  • Pulse Waveform Load Resistor
  • Relay Protection Resistor

Application Matrix

RF Amplifiers
✅
✅
Broadcast Equipment
✅
✅
Welding Equipment
✅
✅
Motor Controls
✅
✅
✅
✅
✅
✅
Power Conditioning
✅
✅
✅
✅
X-Ray / CAT Scan Equipment
✅
✅
Defibrillator / Patient Monitor
✅
✅
Semiconductor Deposition
✅
✅
Relays / Circuit Breakers
✅
✅
✅
RF Power Generators / Metal Forming / Induction Heating
✅
✅
Laser Power Supplies
✅
✅
High Voltage Power Supplies
✅
✅
Transient Suppressor / Gas Tube
✅
✅

Pulse Test Equipment

Advantages of Non-Inductive Bulk Ceramic Resistors

Bulk ceramic resistors from Kanthal Globar are superior to non-inductive wire wound, film, and composition resistors in demanding design situations involving high voltage, current, or energy. Features include:

  • High reliability – no film or wire that can fail
  • Able to withstand short-time overloads and high peak power
  • Chemically inert and thermally stable
  • Available in flexible geometries and a wide range of sizes – from 1/2 watt to 1,000 watts in a single component
  • High power and energy dissipation in space-saving designs
  • Simple construction allows for uniform energy absorption throughout the resistor body , enabling a highly reliable resistive characteristic

Construction Components

  • Metal Terminations
  • Bulk Resistive Material
  • Conductive Particles
  • Inert Matrix

Bulk Resistor Concept

The bulk resistor concept consists of:

  • Metal terminations
  • Bulk resistive material
  • Conductive particles
  • Inert matrix

This structure ensures excellent performance under high-voltage, high-energy, and high-frequency conditions.

Full Product Line to Meet Your Needs

Whether your application involves RF dummy loads, high-energy pulse work, circuit protection, or other high-stress environments, Kanthal Globar has a cost-effective solution. Our full product line consists of three basic types of bulk ceramic materials:

Type AS Resistors

Designed to absorb high energy at high voltage while remaining non-inductive.

Ideal for:

  • Capacitor charge and discharge resistors
  • Capacitor crowbar resistors
  • Impulse voltage generator resistors
  • Pulse-forming network resistors
  • Voltage snubber resistors
  • High voltage power supply resistors
  • Laser imaging equipment resistors

Type SP Resistors

Provide excellent non-inductive power handling capability — even at frequencies into the GHz range.

Ideal for:

  • Snubber resistors
  • High power / high frequency resistors
  • Current limiting resistors
  • Current sensing resistors
  • Parasitic suppression resistors
  • Harmonic filter resistors

Type A Resistors

Offer non-inductive performance with high power dissipation and energy absorption at high voltage when high resistance values are required.

Applications include:

  • Capacitor charge and discharge resistors
  • Bleeder resistors
  • High voltage power supplies

  • https://www.eak.sg/blogs/the-power-of-ceramic-non-inductive-resistors-in-modern-electronics/

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