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PWR03FTFV49R9

Viking Tech · Current Sense Resistors / Shunt Resistors · 0603

PWR03FTFV49R9 from Viking Tech, in a 0603. 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 1 passive One of the two interchangeable end terminals (external electrode) of the 0603 PWR03 chip resistor, 1.60 mm x 0.80 mm body, max operating voltage 50V (75V for the 1/4W version) and max overload voltage 100V (150V for the 1/4W version).
2 2 passive The other interchangeable end terminal (external electrode) of the 0603 PWR03 chip resistor, non-polar, operating temperature range -55 to +155C.

Key specifications

Parameter Value
Manufacturer Viking Tech
Package 0603
Category Resistors
Pins 2

Electrical characteristics

Limits from the LCSC catalog entry for this part (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Resistance 49.9 Ω nominal, catalog attribute (LCSC C5120079) catalog
Tolerance -1 1 % catalog attribute (LCSC C5120079) catalog
Temperature coefficient TCR -200 200 ppm/°C catalog description (LCSC C5120079) catalog

CAD (KiCad official)

  • Symbol: PWR03FTFV49R9
  • Footprint: Resistor_SMD:R_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: pwr03ftfv49r9-etched.step / pwr03ftfv49r9-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pwr03ftfv49r9.step / pwr03ftfv49r9.glb are the bare package body.

Provenance

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

  • Datasheet: Viking Tech datasheet (12 pp, sha256 4e1813ff49d67d6d, retrieved 2026-11-01, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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