# 4D03WGJ0104T5E

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

4D03WGJ0104T5E 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 on the bottom row, paired with pin 8; R1=R2=R3=R4, 1/16W per the 4D03 rating at 70°C. |
| 2 | R2_A | passive | Terminal of resistor R2 on the bottom row, paired with pin 7; max working voltage 50V and max overload voltage 100V for 4D03. |
| 3 | R3_A | passive | Terminal of resistor R3 on the bottom row, paired with pin 6; operating temperature -55°C to +155°C for 4D03. |
| 4 | R4_A | passive | Terminal of resistor R4 on the bottom row, paired with pin 5; dielectric withstanding voltage 300V for 4D03. |
| 5 | R4_B | passive | Terminal of resistor R4 on the top row, paired with pin 4; resistance range 1Ω to 1MΩ for 4D03. |
| 6 | R3_B | passive | Terminal of resistor R3 on the top row, paired with pin 3; temperature coefficient ±200 ppm/°C for 10Ω and above, ±400 ppm/°C below 10Ω. |
| 7 | R2_B | passive | Terminal of resistor R2 on the top row, paired with pin 2; jumper (0Ω) version is rated 1A with resistance below 50mΩ. |
| 8 | R1_B | passive | Terminal of resistor R1 on the top row, paired with pin 1; the four resistors are independent and equal in value. |

## 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 |  |  | 100 |  | kΩ | nominal, catalog attribute (LCSC C1996) | catalog |
| Tolerance |  | -5 |  | 5 | % | catalog attribute (LCSC C1996) | catalog |
| Rated power |  |  |  | 62.5 | mW | catalog attribute (LCSC C1996) | catalog |
| Temperature coefficient | TCR | -200 |  | 200 | ppm/°C | catalog description (LCSC C1996) | catalog |

## CAD (KiCad official)

- Symbol: `4D03WGJ0104T5E`
- Footprint: `Resistor_SMD:R_Array_Convex_4x0603`
- 3D model: 0603x4 (KiCad packages3D, STEP)
- 3D model files: `4d03wgj0104t5e-etched.step` / `4d03wgj0104t5e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `4d03wgj0104t5e.step` / `4d03wgj0104t5e.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UNI ROYAL Uniroyal Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579710181997142016) (14 pp, sha256 `6fc9dd06b3e4137a`, retrieved 2026-10-12, 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/4d03wgj0104t5e-datasheet.pdf)