Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

SMF12M1FR041T

SART Nanjing Sart Tech · Current Sense Resistors / Shunt Resistors · 1206

SMF12M1FR041T from SART Nanjing Sart Tech, in a 1206. 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 One end termination of the 1206 current-sense resistor (A = 0.50±0.20 mm for R≥5 mΩ), non-polarized and interchangeable with the other terminal; rated 1.0 W at 70℃ with 200 mm² total solder pad trace size.
2 Terminal 2 passive Opposite end termination of the 1206 current-sense resistor, non-polarized and interchangeable with the other terminal; operating temperature range -55℃ to +170℃.

Key specifications

Parameter Value
Manufacturer SART Nanjing Sart Tech
Package 1206
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 41 mΩ nominal, catalog attribute (LCSC C845289) catalog
Tolerance -1 1 % catalog attribute (LCSC C845289) catalog
Rated power 1 W catalog attribute (LCSC C845289) catalog
Temperature coefficient TCR -50 50 ppm/°C catalog description (LCSC C845289) catalog

CAD (KiCad official)

  • Symbol: SMF12M1FR041T
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: smf12m1fr041t-etched.step / smf12m1fr041t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smf12m1fr041t.step / smf12m1fr041t.glb are the bare package body.

Provenance

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

  • Datasheet: SART Nanjing Sart Tech datasheet (7 pp, sha256 8ece06e9735a9059, retrieved 2026-11-07, 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