Custom high-voltage resistive element

High Voltage Thick Film Resistor

High voltage thick film resistors use long, drawing-controlled resistive paths on ceramic to distribute voltage while meeting resistance, power, and package constraints. Chipsimple reviews working and overload voltage, value, tolerance, TCR, geometry, voltage gradient, creepage, terminals, protection, pulse duty, mounting, contamination, and validation together.

  • Serpentine geometry for voltage distribution
  • Working and overload conditions separated
  • Creepage, terminals, and protection reviewed
  • Pulse and environmental tests by duty
10 Ω–10 MΩCategory value typical
By geometryWorking-voltage release
5Five selected verified views
By testOverload and pulse release

Quick Specifications

The thick film resistor table gives category selection values. For high-voltage use, substrate, resistor and conductor systems, path geometry, value, tolerance, TCR, working and overload voltage, power, pulse energy, creepage, protection, terminals, mounting, pollution conditions, and test methods are released together.

Final values confirmed against customer drawing.

Substrate / Thickness96% / 99% Alumina / AlN; 0.25–3.0 mm
Resistor SystemRuO₂ / Cermet
Sheet Resistance1 Ω/□–1 MΩ/□ paste-family reference
Conductor SystemAg / Ag-Pd / Au
Resistor Film Thickness8–15 µm fired typical
Firing TemperatureUp to 850°C
Resistance Value10 Ω–10 MΩ typical
Resistance Tolerance±1% standard (±0.5% available)
TCR±100–200 ppm/°C typical
Laser TrimmingPassive / Active
Power / Working VoltageBy geometry and thermal design
ProtectionGlass overglaze / Passivation

Engineering Capabilities

High-voltage review begins with the voltage waveform and insulation environment. Engineering connects resistor sheet family and path, local voltage gradient, conductor overlap, trim geometry, creepage and clearance, edge condition, protective coating, terminal field concentration, power and pulse heating, mounting, humidity, contamination, altitude, and safe test fixtures.

Ceramic and resistor system

Confirm substrate grade and thickness, resistor paste, conductor and terminal route, film build, firing, trim allowance, protection, edge finish, and material compatibility.

Voltage-distribution geometry

Release path width and spacing, turns, overlaps, trim area, terminal separation, edge distance, creepage route, coating windows, and dimensional tolerances.

Voltage, power, and pulse duty

Separate continuous working voltage, overload, surge or pulse waveform, energy, repetition, resistance, current, power, ambient, altitude, mounting, and cooling.

High-voltage validation

Specify resistance, visual and dimensional checks, working and overload tests, leakage or isolation, pulse verification, temperature rise, humidity, coating, fixture safety, sampling, and limits.

Typical Applications

High-voltage resistors fit dividers, bleeders, sensing, and discharge functions only after waveform, insulation environment, mounting, protection, and fault conditions are defined.

View all applications

Verified Product Views

Five selected verified photographs show real long ceramic resistor strips with black serpentine paths, green areas, conductor overlaps, and end terminals. Surface geometry does not prove resistance, TCR, working voltage, overload, pulse energy, creepage performance, coating chemistry, power, or environmental reliability.

Controlled detail crop of a verified high voltage thick film resistor showing the serpentine path and end terminal
Serpentine path and terminal detail
Visible geometry
Long meander paths, ceramic strips, conductor overlaps, and end terminals are visible.
Voltage boundary
Working voltage, overload, pulse, leakage, and field distribution require the released waveform and design.
Creepage boundary
Surface distance alone does not establish suitability without coating, edges, mounting, pollution, humidity, and altitude.
Thermal boundary
Power and pulse capability depend on resistance, geometry, substrate, mounting, ambient, duty, and temperature limits.

Manufacturing & Quality

Chipsimple supports resistor printing, controlled firing, laser trimming, and laboratory inspection in Dongguan. High-voltage projects release the material stack, artwork, trim instruction, voltage and pulse fixtures, protection, loading, sampling, traceability, and acceptance records together; final ratings require project-specific electrical and environmental validation.

View Full Capabilities
Chipsimple thick film resistor screen-printing workshop
Resistor Printing
Chipsimple controlled firing workshop for compatible thick film systems
Controlled Firing
Chipsimple laser-trimming workshop with enclosed equipment
Laser Trimming
Chipsimple laboratory used for resistance and dimensional checks
Electrical Inspection

Technical FAQ

Short answers for quotation planning; released drawings and validation requirements remain controlling.

What should be defined first for a custom High Voltage Thick Film Resistor?

Define resistance, tolerance, TCR, continuous working voltage, overload, surge or pulse waveform and energy, repetition, power, current, ambient, altitude, pollution or contamination, creepage and clearance, protection, terminals, mounting, cooling, fault conditions, derating, and required safety or reliability tests.

Are the quick specification values guaranteed for every design?

No. They are practical category-level selection values, not a released product specification. Material compatibility, geometry, print build, electrical loading, assembly, environment, inspection method, and expected volume can narrow the usable window. Final values are confirmed against the controlled drawing and approved project conditions.

How should High Voltage Thick Film Resistor performance be validated?

Verify resistance and dimensions, then continuous voltage, overload or pulse behavior, leakage or isolation as applicable, temperature rise, coating and terminal condition, humidity, contamination, altitude or pressure effects, and cycling using guarded fixtures, controlled waveforms, derating, sampling, and failure limits.

What should be included with an RFQ?

Send the controlled drawing or artwork, dimensions and tolerances, material preference, electrical targets, assembly interface, operating environment, validation requirements, prototype quantity, annual volume, and schedule. Include working and overload voltage, pulse waveform and energy, repetition, derating, creepage environment, altitude, protection, mounting, and safe test limits.

Request a High Voltage Thick Film Resistor Quote

Send the complete voltage waveform and insulation environment with the resistor drawing. Working voltage, overload, pulse energy, path geometry, creepage, protection, terminals, power, mounting, altitude, contamination, and test safety determine the route; resistance value alone cannot release a high-voltage design.

  • Drawing-led DFM and material-route feedback
  • Prototype and repeat-production route review
  • Confidential handling of customer files
  • Project-specific inspection and validation planning
  • Ceramic, outline, thickness, terminals, edges, and tolerances
  • Resistor artwork, spacing, trim area, protection, and creepage
  • Resistance, tolerance, TCR, current, power, and derating
  • Working voltage, overload, pulse waveform, energy, and repetition
  • Mounting, cooling, ambient, altitude, pollution, and humidity
  • Leakage, voltage, pulse, temperature, and reliability tests
  • Quantity, schedule, sampling, traceability, and packing
  1. 1We review the drawing, application, material route, and missing acceptance inputs.
  2. 2You receive DFM questions and a prototype route for approval.
  3. 3Repeat production follows the released revision, inspection plan, and packing requirement.

Submit RFQ and upload files

PDF, DWG, DXF, STEP, Gerber, ZIP, Excel, Word, or sample photos are accepted.

Customer drawings are handled as confidential quotation inputs and used only for engineering review, communication, and project follow-up.