Compact printed power resistor element

Thick Film Power Resistor

Thick film power resistors place a broad printed resistive element on ceramic to dissipate drawing-defined electrical power through a controlled thermal path. Chipsimple reviews resistance, tolerance, TCR, continuous and pulse loading, voltage, geometry, terminals, protection, mounting pressure, interface material, heat sink, ambient, temperature rise, and lifecycle together.

  • Resistance and heat path engineered together
  • Continuous and pulse duty separated
  • Terminals, mounting, and interface reviewed
  • Temperature rise validated in assembly
By geometryPower rating basis
By thermal designWorking-voltage basis
5Verified product views
By testPulse and lifecycle release

Quick Specifications

The thick film resistor values below support early route selection. For power use, substrate, resistor system, geometry, value, tolerance, TCR, voltage, continuous and pulse duty, terminals, protection, mounting, heat sink, interface, ambient, temperature rise, and validation 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

Power-resistor design starts with the real heat path and load waveform. Engineering connects resistor area and paste family, current density, voltage gradient, conductor overlap, terminal heating, ceramic thickness, protection, contact area, mounting pressure, interface resistance, heat sink, airflow, ambient, overload, pulse energy, cycling, and derating.

Resistor and ceramic construction

Confirm ceramic grade and thickness, resistor and conductor systems, printed area, firing, protection, terminal metallurgy, edge condition, and material compatibility.

Current and heat-spreading geometry

Release resistor shape, conductor overlap, current-entry regions, terminals, clearances, mounting contact area, trim margin if used, and dimensional tolerances.

Load and thermal interface

Define resistance, voltage, continuous power, overload or pulse waveform, duty, ambient, maximum temperature, mounting pressure, interface material, heat sink, and airflow.

Temperature-rise validation

Specify resistance, terminal integrity, power, surface temperature map, hot spots, overload or pulse test, cycling, mounting fixture, derating, sampling, and failure limits.

Typical Applications

Compact power resistors support braking, discharge, balancing, limiting, and load functions when the waveform, mounting, heat sink, derating, and fault conditions are defined.

View all applications

Verified Product Views

The verified photographs show real compact rectangular ceramic resistors with broad dark printed films and metal-colored terminal regions in single and grouped arrangements. The clean pink work surface is part of the original photography. Appearance does not establish resistance, power, pulse energy, voltage, TCR, protection, mounting, temperature rise, or lifetime.

Controlled detail crop of a verified thick film power resistor showing the broad printed film and end terminals
Broad resistor film and terminal detail
Visible construction
Rectangular ceramic bodies, broad dark resistor films, and opposing terminal regions are visible.
Power boundary
Continuous power, overload, pulse energy, and derating require the released load and thermal assembly.
Thermal boundary
Temperature rise and hot spots depend on contact area, pressure, interface, heat sink, airflow, and ambient.
Electrical boundary
Resistance, tolerance, TCR, voltage, and terminal current require controlled measurement and design data.

Manufacturing & Quality

Chipsimple supports resistor printing, controlled firing, laser trimming, and laboratory inspection in Dongguan. Power-resistor projects release the material stack, artwork, terminals, load waveform, mounting fixture, thermal test, protection, sampling, traceability, and acceptance records together; final ratings require validated assembly and derating conditions.

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 Thick Film Power Resistor?

Define resistance, tolerance, TCR, working voltage, continuous power, overload and pulse waveform, energy, repetition, duty, ambient, maximum temperature, terminals, protection, mounting surface, contact area, pressure, interface material, heat sink, airflow or cooling, derating, fault conditions, and target life.

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 Thick Film Power Resistor performance be validated?

Measure resistance and terminal integrity, then power, surface temperature map, hot spots, terminal temperature, overload or pulse response, thermal cycling, mounting sensitivity, environmental exposure, and drift in the production-intent heat sink and interface. Control waveform, fixture, sensors, sampling, derating, 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 continuous and pulse load waveforms, derating, mounting pressure and contact area, interface material, heat sink, cooling, and maximum temperature.

Request a Thick Film Power Resistor Quote

Send the load waveform and production-intent thermal stack with the resistor drawing. Continuous and pulse power, mounting pressure, interface, heat sink, cooling, ambient, terminals, protection, maximum temperature, derating, and lifecycle determine the practical route; wattage cannot be released from package size alone.

  • 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, and tolerances
  • Resistor artwork, conductor overlap, protection, and trim margin
  • Resistance, tolerance, TCR, voltage, and continuous power
  • Overload or pulse waveform, energy, repetition, and duty
  • Mounting area, pressure, interface, heat sink, and cooling
  • Temperature map, cycling, derating, drift, 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.