# YC164-FR-0720KL

**YAGEO** · Global Sourcing Parts · 0603x4

YC164-FR-0720KL 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 on the bottom edge, one end of resistor R1, which is paired with pin 8 across the package. |
| 2 | R2_A | passive | Terminal 2 on the bottom edge, one end of resistor R2, which is paired with pin 7 across the package. |
| 3 | R3_A | passive | Terminal 3 on the bottom edge, one end of resistor R3, which is paired with pin 6 across the package. |
| 4 | R4_A | passive | Terminal 4 on the bottom edge, one end of resistor R4, which is paired with pin 5 across the package. |
| 5 | R4_B | passive | Terminal 5 on the top edge, the other end of resistor R4, which is paired with pin 4. |
| 6 | R3_B | passive | Terminal 6 on the top edge, the other end of resistor R3, which is paired with pin 3. |
| 7 | R2_B | passive | Terminal 7 on the top edge, the other end of resistor R2, which is paired with pin 2. |
| 8 | R1_B | passive | Terminal 8 on the top edge, the other end of resistor R1, which is paired with pin 1. |

## 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 |  | -1 |  | 1 | % | F = ±1% | 2 |
| Temperature coefficient of resistance | T.C.R. | -200 |  | 200 | ppm/°C | YC164 | 7 |
| Operating temperature range |  | -55 |  | 155 | °C | YC164 | 7 |
| Max. working voltage | MWV |  |  | 50 | V | YC164 | 7 |
| Max. overload voltage | RCOV |  |  | 100 | V | YC164 | 7 |
| Dielectric withstanding voltage | DWV |  |  | 100 | V | YC164 | 7 |
| Life test resistance change |  |  |  | 2 | %+Ω | ±(2%+0.05 Ω), 1,000 hours at 70±5 °C applied RCWV, 1.5 h on / 0.5 h off | 9 |
| High temperature exposure resistance change |  |  |  | 1 | %+Ω | ±(1%+0.05 Ω), 1,000 hours at maximum operating temperature, unpowered | 9 |
| Short time overload resistance change |  |  |  | 2 | %+Ω | ±(2%+0.05 Ω), 2.5 times RCWV or max overload voltage whichever is less, 5 sec | 9 |

## CAD (KiCad official)

- Symbol: `YC164-FR-0720KL`
- Footprint: `Resistor_SMD:R_Array_Convex_4x0603`
- 3D model: 0603x4 (KiCad packages3D, STEP)
- 3D model files: `yc164-fr-0720kl-etched.step` / `yc164-fr-0720kl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `yc164-fr-0720kl.step` / `yc164-fr-0720kl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [YAGEO datasheet](https://yageogroup.com/content/Resource%20Library/Datasheet/PYU-YC_TC_GROUP_51_ROHS_L.pdf) (12 pp, sha256 `6feddc41c4b0a670`, retrieved 2026-10-23, 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](docs/yc164-fr-0720kl-datasheet.pdf)