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Ray Publish 0.1.0 66231c7 11d ago

YC164-FR-078K2L

YAGEO · Global Sourcing Parts · 0603x4

YC164-FR-078K2L from YAGEO, 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 1 of isolated resistor R1 (other end on pin 5); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.
2 R2_A passive Terminal 1 of isolated resistor R2 (other end on pin 6); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.
3 R3_A passive Terminal 1 of isolated resistor R3 (other end on pin 7); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.
4 R4_A passive Terminal 1 of isolated resistor R4 (other end on pin 8); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.
5 R1_B passive Terminal 2 of isolated resistor R1 (other end on pin 1); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.
6 R2_B passive Terminal 2 of isolated resistor R2 (other end on pin 2); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.
7 R3_B passive Terminal 2 of isolated resistor R3 (other end on pin 3); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.
8 R4_B passive Terminal 2 of isolated resistor R4 (other end on pin 4); R1 = R2 = R3 = R4, 1/16 W per package at 70°C, max working voltage 50 V.

Key specifications

Parameter Value
Manufacturer YAGEO
Package 0603x4
Category Global Sourcing Parts
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Resistance tolerance (code F = ±1%) -1 1 % Part-number tolerance code F; E24/E96 range 1Ω ≤ R ≤ 1MΩ 2
Temperature coefficient of resistance -200 200 ppm/°C Resistance range 1Ω ≤ R ≤ 1MΩ 7
Max working voltage MWV 50 V 7
Rated continuous overload voltage RCOV 100 V 7
Dielectric withstanding voltage DWV 100 V 7
Operating temperature range -55 155 °C YC164 operating temperature range (derating per Fig. 14) 7
Operational life ΔR (percent part) -2 2 % 1,000 h at 70±5°C, RCWV applied 1.5 h on / 0.5 h off, still air 9
Operational life ΔR (absolute part) -0.05 0.05 Ω 1,000 h at 70±5°C, RCWV applied 1.5 h on / 0.5 h off, still air 9
High temperature exposure ΔR (percent part) -1 1 % 1,000 h at maximum operating temperature, unpowered 9
High temperature exposure ΔR (absolute part) -0.05 0.05 Ω 1,000 h at maximum operating temperature, unpowered 9
Moisture resistance ΔR (percent part) -2 2 % 10 days, 25°C/65°C 95% R.H., unpowered; measured 24±2 h after test 9
Moisture resistance ΔR (absolute part) -0.05 0.05 Ω 10 days, 25°C/65°C 95% R.H., unpowered; measured 24±2 h after test 9
Thermal shock ΔR (percent part) -1 1 % -55/+125°C, 300 cycles, air-air 9
Thermal shock ΔR (absolute part) -0.05 0.05 Ω -55/+125°C, 300 cycles, air-air 9
Short time overload ΔR (percent part) -2 2 % 2.5 times RCWV or maximum overload voltage whichever is less, 5 s, room temperature 9
Short time overload ΔR (absolute part) -0.05 0.05 Ω 2.5 times RCWV or maximum overload voltage whichever is less, 5 s, room temperature 9
Board flex/bending ΔR (percent part) -1 1 % 3 mm bending, 60±5 s 9
Board flex/bending ΔR (absolute part) -0.05 0.05 Ω 3 mm bending, 60±5 s 9
Resistance to soldering heat ΔR (percent part) -1 1 % Lead-free solder, 260°C, 10 s immersion 10
Resistance to soldering heat ΔR (absolute part) -0.05 0.05 Ω Lead-free solder, 260°C, 10 s immersion 10

CAD (KiCad official)

  • Symbol: YC164-FR-078K2L
  • Footprint: Resistor_SMD:R_Array_Convex_4x0603
  • 3D model: 0603x4 (KiCad packages3D, STEP)
  • 3D model files: yc164-fr-078k2l-etched.step / yc164-fr-078k2l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); yc164-fr-078k2l.step / yc164-fr-078k2l.glb are the bare package body.

Provenance

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

  • Datasheet: YAGEO datasheet (12 pp, sha256 6feddc41c4b0a670, retrieved 2026-10-22, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF