# RC03N06B

**RealChip(正芯半导体)** · MOSFETs · SOT-23

RC03N06B from RealChip(正芯半导体), in a SOT-23. 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 | G | input | Gate; gate-source voltage limited to ±16 V, with threshold VGS(th) of 0.65 V min, 0.95 V typ and 1.55 V max at ID=250 µA. |
| 2 | S | passive | Source; connects to the body diode anode, with continuous drain current of 3 A at TA=25 °C and diode forward voltage of 1.2 V max at IS=3 A. |
| 3 | D | passive | Drain; drain-source voltage rated 60 V, continuous current 3 A at TA=25 °C, pulsed 12 A, RDS(ON) under 100 mΩ at VGS=10 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | RealChip(正芯半导体) |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-source Voltage | VDS |  |  | 60 | V |  | 1 |
| Gate-source Voltage | VGS | -16 |  | 16 | V |  | 1 |
| Drain Current | ID |  |  | 3 | A | TA=25℃ | 1 |
| Drain Current | ID |  |  | 2.4 | A | TA=70℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 12 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 1.2 | W | TA=25℃ Steady State | 1 |
| Junction and Storage Temperature Range | TJ ,TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-to-Ambient | RθJA |  |  | 105 | ℃/W | Mounted on 1 in² pad of 2oz copper (footnote B) | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 60 |  |  | V | VGS=0V, ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS= 60V,VGS=0V | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±16V, VDS=0V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.65 | 0.95 | 1.55 | V | VDS= VGS, ID= 250μA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 65 | 100 | mΩ | VGS= 10V, ID= 3A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 75 | 120 | mΩ | VGS= 4.5V, ID= 2A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 100 | 200 | mΩ | VGS= 2.5V, ID= 1A | 2 |
| Diode Forward Voltage | VSD |  | 0.8 | 1.2 | V | IS= 3.0A,VGS=0V | 2 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper |  | mounting surface of the drain pins. RθJL is guaranteed by design, while RθJA is determined by the board design. The maximum rating presented here is based on mounting on a 1 in 2 pad of 2oz copper. | 2 |

## CAD (KiCad official)

- Symbol: `RC03N06B`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `rc03n06b-etched.step` / `rc03n06b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rc03n06b.step` / `rc03n06b.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [RealChip(正芯半导体) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603166794307674112) (6 pp, sha256 `68f746bcd70b099e`, retrieved 2026-10-17, 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/rc03n06b-datasheet.pdf)