# BRCS3400MC

**Foshan Blue Rocket Elec** · MOSFETs · SOT-23-3

BRCS3400MC from Foshan Blue Rocket Elec, in a SOT-23-3. 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 of the N-channel MOSFET, rated for a gate-source voltage VGS of ±12 V. |
| 2 | S | passive | Source of the N-channel MOSFET; the body diode forward voltage VSD is 0.77 V typical and 1 V maximum at IS = 1 A. |
| 3 | D | passive | Drain of the N-channel MOSFET, rated for a drain-source voltage VDS of 30 V and a continuous drain current ID of 5.8 A at Ta = 25 ℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Foshan Blue Rocket Elec |
| Package | SOT-23-3 |
| 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 |  |  | 30 | V | Ta=25℃ | 2 |
| Drain Current – Continuous | ID |  |  | 5.8 | A | Ta=25℃ | 2 |
| Drain Current – Continuous (Ta=70℃) | ID |  |  | 4.9 | A | Ta=70℃ | 2 |
| Pulsed Drain Current | IDM |  |  | 30 | A | Ta=25℃ | 2 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V | Ta=25℃ | 2 |
| Total Power Dissipation | PD |  |  | 1.4 | W | Ta=25℃ | 2 |
| Total Power Dissipation (Ta=70℃) | PD |  |  | 1 | W | Ta=70℃ | 2 |
| Operating and Storage Junction Temperature Range | TJ, TSTG | -55 |  | 150 | ℃ | Ta=25℃ | 2 |
| Gate Threshold Voltage | VGS(th) | 0.65 | 1.1 | 1.45 | V | VDS=VGS ID=250μA | 2 |
| Gate–Body Leakage | IGSS | -0.1 |  | 0.1 | μA | VGS=±12V VDS=0V | 2 |
| Static Drain–Source On–Resistance | RDS(on)(1) |  | 29 | 32 | mΩ | VGS=10V ID=5.8A | 2 |
| Static Drain–Source On–Resistance | RDS(on)(3) |  | 32 | 36 | mΩ | VGS=4.5V ID=5A | 2 |
| Static Drain–Source On–Resistance | RDS(on)(4) |  | 40 | 56 | mΩ | VGS=2.5V ID=4A | 2 |
| Forward Transconductance | gFS |  | 10 | 15 | S | VDS=5V ID=5A | 2 |
| Drain–Source Diode Forward Voltage | VSD |  | 0.77 | 1 | V | VGS=0V IS=1A | 2 |
| Input Capacitance | Ciss |  | 823 | 1030 | pF | VDS=15V VGS=0V f=1MHz | 2 |
| Gate resistance | Rg |  | 1.2 | 3.6 | Ω | VGS=0V VDS=0V, f=1MHz | 3 |
| Total Gate Charge | Qg |  | 9.7 | 12 | nC | VGS=4.5V, VDS=15V, ID=5.8A | 3 |
| Turn–On Delay Time | td(on) |  | 3.3 | 5 | ns | VGS=10V RL=2.7Ω VDS=15V RGEN=3Ω | 2 |
| Turn–On Rise Time | tr |  | 4.8 | 7 | ns |  | 2 |
| Turn–Off Delay Time | td(off) |  | 26.3 | 40 | ns |  | 2 |
| Turn–Off Fall Time | tf |  | 4.1 | 6 | ns |  | 2 |
| Body Diode Reverse Recovery Time | trr |  | 16 | 20 | ns | IF=5A dI/dt=100A/μs | 3 |
| Body Diode Reverse Recovery Charge | Qrr |  | 8.9 | 12 | nC | IF=5A dI/dt=100A/μs | 3 |

## CAD (KiCad official)

- Symbol: `BRCS3400MC`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files: `brcs3400mc-etched.step` / `brcs3400mc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `brcs3400mc.step` / `brcs3400mc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Foshan Blue Rocket Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893741478793216) (7 pp, sha256 `99e474ed5ce1f82c`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/brcs3400mc-datasheet.pdf)