Float-sender resistive level element

Fuel Level Sensor Resistor Card

A fuel level sensor resistor card is engineered around the sender mechanism and its required output rather than selected from resistance alone. Chipsimple reviews float travel, curve data, track geometry, contact mechanics, terminals, material route, fuel-side isolation, electronics, and validation before release.

  • Float or linkage travel mapped to curve data
  • Segmented and nonlinear response review
  • Wiper path, terminals, and support integration
  • Sender-level environmental and lifecycle planning
Linear / Nonlinear / SegmentedCategory curve routes
1–4 tracks typicalCategory track-count reference
By drawingFloat travel and active geometry
By project reviewFuel-side integration

Quick Specifications

Category-level selection values cover substrate, sensor geometry, printed systems, track count, resistance behavior, contact route, and operating environment. Final values are confirmed against the customer drawing, mating contact, electronics, and validation method.

Final values confirmed against customer drawing.

Substrate MaterialAlumina / FR-4 / PI
Sensor GeometryRotary / Linear / Arc
Resistor SystemRuO₂ / Carbon
Conductor SystemAg / Ag-Pd / Au / Ag-C
Track Count1–4 tracks typical
Nominal Resistance100 Ω–1 MΩ typical
Resistance CurveLinear / Nonlinear / Segmented
Resistance Tolerance±1–10% by material system
Linearity±0.5–2% FS typical
TCR±100–200 ppm/°C ceramic reference
Contact SystemPrecious metal / Carbon
Operating Temperature-40 to +125°C, system-dependent

Engineering Capabilities

The resistor card, float mechanism, wiper, wiring, and readout electronics form one level-sensing chain. Engineering review therefore connects the mechanical conversion to printed artwork and measurable sender-level acceptance limits.

Fuel Level Sensor Resistor Card verified printed-feature detail for level-to-output mapping

Level-to-output mapping

Translate float or linkage position into active travel, empty/full references, curve breakpoints, reserve points, resistance or voltage targets, and allowable output error.

Fuel Level Sensor Resistor Card verified printed-feature detail for segment and conductor layout

Segment and conductor layout

Release the resistor segments, collector paths, overlaps, inactive margins, terminal pads, and mechanical reference features as controlled drawing data.

Fuel Level Sensor Resistor Card verified printed-feature detail for wiper and sender integration

Wiper and sender integration

Review contact material, force, path width, support, pivot tolerance, terminals, loading, sealing boundary, media isolation, and assembly stack together.

Fuel Level Sensor Resistor Card verified printed-feature detail for curve and lifecycle validation

Curve and lifecycle validation

Define output versus travel, repeatability, contact stability, temperature, vibration, contamination, cycling, calibration, and end-of-line checks for the complete sender.

Typical Applications

Representative level-sensing directions require application-specific float mechanics, media isolation, electrical response, contact design, environment, and lifecycle validation.

View all applications

Verified Product Views

The verified photographs show complete white cards with visible segmented arc patterns, conductor paths, black printed zones, and terminal pads. They verify surface appearance only, not the intended fuel, material, curve, or qualification status.

Verified complete fuel level sensor resistor card with segmented arc pattern and terminal pads
Complete fuel level sensor resistor-card view
Visible format
Complete rectangular cards appear in single, paired, stacked, and six-piece arrangements.
Track pattern
Segmented arc regions, dark printed bars, conductor routes, and terminal pads are visible.
Surface condition
The photographs support visual review of the exposed face only; no hidden assembly is shown.
Evidence boundary
Material, resistance, output curve, fuel compatibility, temperature, contact wear, vibration, and lifecycle remain unverified by photographs.

Manufacturing & Quality

Chipsimple supports drawing-led printed sensor elements with controlled printing, resistance adjustment where applicable, dimensional and electrical inspection, and protected handling. The exact route depends on substrate, resistor system, contact design, and validation plan; these photographs show general company capability, not evidence of the displayed product batch.

View Full Capabilities
Chipsimple screen-printing workshop with controlled printing stations
Controlled Printing
Chipsimple laser-trimming workshop with enclosed equipment
Resistance Adjustment
Chipsimple laboratory for dimensional and electrical inspection
Laboratory Inspection
Chipsimple production site in Dongguan
Dongguan Production Site

Technical FAQ

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

What should be defined first for a custom Fuel Level Sensor Resistor Card?

Define tank or vessel geometry, float and linkage mechanics, pivot and stops, active travel, required output versus level or volume, reserve and endpoint values, electronics, contact, terminals, media isolation, environment, lifecycle, and calibration method first.

Are the Quick Specifications guaranteed for every resistor card?

No. These are category-level selection values, not a released part specification. Substrate, resistor and conductor systems, geometry, resistance, tolerance, linearity, TCR, contact route, and operating temperature are narrowed against the drawing, mating mechanics, electronics, and validation plan.

How should Fuel Level Sensor Resistor Card performance be validated?

Correlate the complete sender output to production-intent float position and liquid level or volume. Add repeatability, contact stability, hysteresis, temperature, vibration, contamination, cycling, harness loading, calibration, and end-of-line checks defined by the project.

What should be included with the RFQ?

Send the controlled drawing or artwork, dimensions and tolerances, active travel or angle, resistance and output-curve data, track count, mating contact, electrical loading, environment, validation method, quantity, and schedule. Provide the full level- or volume-to-output table and sender geometry; endpoint resistance alone is not enough to define a nonlinear tank response.

Request a Fuel Level Sensor Resistor Card Quote

Send the vessel and sender drawing, float-travel data, curve table, mating contact, electrical circuit, media boundary, environment, and validation plan for a coordinated resistor-card review.

  • Drawing-led DFM and curve-definition review
  • Substrate, resistor, conductor, and contact-system selection
  • Prototype and validation-route planning
  • Confidential handling of customer drawings and data
  • Controlled drawing, artwork, dimensions, tolerances, and active travel or angle
  • Resistance range, output curve or table, linearity target, and track count
  • Mating wiper or contact details, force window, connector, and assembly stack
  • Substrate and printed-system preference, or permission for engineering selection
  • Electrical loading, temperature, vibration, fluids, contamination, and lifecycle targets
  • Prototype quantity, annual volume, inspection method, validation plan, and schedule
  1. 1We check the drawing, motion, electrical response, contact interface, environment, and missing acceptance inputs.
  2. 2You receive DFM questions and a proposed material, artwork, prototype, and validation route for review.
  3. 3Production follows the approved revision, inspection plan, traceability requirement, and packing instruction.

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.