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 geometry
Power rating basis
By thermal design
Working-voltage basis
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Verified product views
By test
Pulse and lifecycle release
Product Categories

Verified capability review

Quick Specifications

Thick Film Power Resistor is shown against approved company capability control sheets.

Capability source: approved company category control sheets. Final values remain drawing- and sample-controlled.

ParameterStandard capabilityEngineering review rangeFinal release
Substrate / Thickness96% / 99% Alumina / AlN; 0.25–3.0 mm96%/99% alumina or AlN within 0.25–3.0 mm, selected for thermal path, voltage, flatness, assembly, and firingApproved material specification, drawing, and incoming criteria
Resistor SystemRuO₂ / CermetRuO₂ or cermet selected for value, sheet resistance, TCR, load, stability, conductor, and firing compatibilityReleased drawing and approved sample
Sheet Resistance1 Ω/□–1 MΩ/□ paste-family referenceSelect within the 1 Ω/□–1 MΩ/□ paste-family reference after value, geometry, aspect ratio, and trim reviewReleased electrical limits, measurement method, and approved sample
Conductor SystemAg / Ag-Pd / AuAg, Ag-Pd, or Au selected for termination, bonding, soldering, voltage, environment, and firingApproved material stack, assembly interface, and sample
Resistor Film Thickness8–15 µm fired typicalWithin 8–15 µm fired typical, print build, firing, geometry, value distribution, and trimming are controlledReleased drawing, DFM approval, and first-article inspection
Firing TemperatureUp to 850°CPeak up to 850°C; the actual profile, atmosphere, dwell, and refire sequence follow the selected paste systemApproved material-process route and production traveler
View 6 additional engineering review checks
ParameterStandard capabilityEngineering review rangeFinal release
Resistance Value10 Ω–10 MΩ typicalWithin 10 Ω–10 MΩ typical, nominal, ratio, reference temperature, voltage, and measurement method are definedReleased electrical limits, measurement method, and approved sample
Resistance Tolerance±1% standard±0.5% available after paste, geometry, trim allowance, TCR, stability, and measurement reviewReleased electrical limits, measurement method, and approved sample
TCR±100–200 ppm/°C typicalWithin ±100–200 ppm/°C typical, define temperature interval, tracking, stabilization, and measurement methodReleased electrical limits, measurement method, and approved sample
Laser TrimmingPassive / ActivePassive or active trimming with approved kerf, cut geometry, stopping rule, test condition, and post-trim protectionReleased drawing and approved sample
Power / Working VoltageBy geometry and thermal designReleased from geometry, substrate, heat path, ambient, duty, pulse, clearance, field grading, and protectionApproved electrical-thermal design and instrumented prototype validation
ProtectionGlass overglaze / PassivationGlass overglaze or passivation selected for trim access, assembly, moisture, contamination, voltage, and temperatureApproved material stack, assembly interface, and sample

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

Application images are engineering illustrations, not customer projects, production records, or evidence of a released design. Suitability is confirmed only after the drawing, interfaces, operating conditions, risks, and validation plan are reviewed.

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.
View 2 additional evidence boundaries
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.

Read the shared manufacturing-control scope

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.

RFQ inputs and review sequence
  • 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.

The drawing-upload form loads as you reach this section.