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4D03WGF499JT5E

UNI ROYAL Uniroyal Elec · Resistor Networks, Arrays · 0603x4

4D03WGF499JT5E from UNI ROYAL Uniroyal Elec, in a 0603x4. 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 R1_A passive Terminal of resistor R1 (paired with pin 8); R1=R2=R3=R4, 1/16W per element, max working voltage 50V, max overload voltage 100V.
2 R2_A passive Terminal of resistor R2 (paired with pin 7); R1=R2=R3=R4, 1/16W per element, max working voltage 50V, max overload voltage 100V.
3 R3_A passive Terminal of resistor R3 (paired with pin 6); R1=R2=R3=R4, 1/16W per element, max working voltage 50V, max overload voltage 100V.
4 R4_A passive Terminal of resistor R4 (paired with pin 5); R1=R2=R3=R4, 1/16W per element, max working voltage 50V, max overload voltage 100V.
5 R4_B passive Opposite terminal of resistor R4 (paired with pin 4); 1/16W per element, dielectric withstanding voltage 300V.
6 R3_B passive Opposite terminal of resistor R3 (paired with pin 3); 1/16W per element, dielectric withstanding voltage 300V.
7 R2_B passive Opposite terminal of resistor R2 (paired with pin 2); 1/16W per element, dielectric withstanding voltage 300V.
8 R1_B passive Opposite terminal of resistor R1 (paired with pin 1); 1/16W per element, dielectric withstanding voltage 300V.

Key specifications

Parameter Value
Manufacturer UNI ROYAL Uniroyal Elec
Package 0603x4
Category Resistors
Pins 8

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 C54832) catalog
Tolerance -1 1 % catalog attribute (LCSC C54832) catalog
Rated power 62.5 mW catalog attribute (LCSC C54832) catalog
Temperature coefficient TCR -200 200 ppm/°C catalog description (LCSC C54832) catalog

CAD (KiCad official)

  • Symbol: 4D03WGF499JT5E
  • Footprint: Resistor_SMD:R_Array_Convex_4x0603
  • 3D model: 0603x4 (KiCad packages3D, STEP)
  • 3D model files: 4d03wgf499jt5e-etched.step / 4d03wgf499jt5e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 4d03wgf499jt5e.step / 4d03wgf499jt5e.glb are the bare package body.

Provenance

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

  • Datasheet: UNI ROYAL Uniroyal Elec datasheet (14 pp, sha256 6fc9dd06b3e4137a, retrieved 2026-10-26, 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