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PTV09A-4020S-B503

BOURNS · Potentiometers, Variable Resistors · THT

PTV09A-4020S-B503 from BOURNS, in a THT. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Terminal 1 passive Terminal 1 is one end of the carbon resistive element, and the datasheet defines the input voltage as measured between Terminal 1 and Terminal 3, with a maximum operating voltage of 20 VDC or 50 VAC and a power rating of 0.05 W for linear and audio tapers.
2 2 passive Terminal 2 is the output (wiper) terminal, and the taper graphs plot the output voltage measured between Terminal 1 and Terminal 2 against rotational travel.
3 3 passive Terminal 3 is the other end of the resistive element, forming the input reference with Terminal 1 in the Terminal 1-3 input voltage definition, with a maximum operating voltage of 20 VDC or 50 VAC.

Key specifications

Parameter Value
Manufacturer BOURNS
Package THT
Category Resistors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Residual Resistance 500 ohms Printed as 500 ohms or ±1 % max. 1
Residual Resistance 1 % Alternative to 500 ohms, as printed 1
Maximum Operating Voltage (Linear and Audio) 20 VDC Linear and Audio 1
Maximum Operating Voltage (Linear and Audio) 50 VAC Linear and Audio 1
Sliding Noise 100 mV 1
Operating Temperature -10 50 °C 1
Rotational Torque 10 100 g-cm 1
Stop Strength 2 kg-cm 1
Standard Resistance Tolerance -20 20 % Standard resistance tolerance 1
Nominal Resistance R 50000 ohms Resistance code 503 per How To Order (B503 suffix) 1
Rotational Life 10000 cycles 1

CAD (KiCad official)

  • Symbol: PTV09A-4020S-B503
  • Footprint: Adom_Gen:Bourns_PTV09_4df4a4
  • 3D model: THT (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: BOURNS datasheet (5 pp, sha256 411cdb6a62e61f9c, retrieved 2026-11-05, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF