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BRCS139WS

Public Made by Adom

by adom

Foshan Blue Rocket Elec MOSFETs, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BRCS139WS

Foshan Blue Rocket Elec · MOSFETs · SOT-363

BRCS139WS from Foshan Blue Rocket Elec, in a SOT-363. 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 S1 passive Source of the first N-channel MOSFET; the device is rated for a drain-source voltage (VDSS) of 50 V and continuous drain current of 200 mA.
2 G1 input Gate of the first N-channel MOSFET; gate-source voltage is limited to ±20 V (VGSS).
3 D2 passive Drain of the second N-channel MOSFET; drain-source voltage is rated at 50 V and continuous drain current at 200 mA.
4 S2 passive Source of the second N-channel MOSFET; the device is rated for a drain-source voltage (VDSS) of 50 V and continuous drain current of 200 mA.
5 G2 input Gate of the second N-channel MOSFET; gate-source voltage is limited to ±20 V (VGSS).
6 D1 passive Drain of the first N-channel MOSFET; drain-source voltage is rated at 50 V and continuous drain current at 200 mA.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package SOT-363
Category Transistors/Thyristors
Pins 6

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 VDSS 50 V 2
Gate-Source Voltage VGSS -20 20 V 2
Drain Current, Continuous ID 200 mA 2
Peak Drain Current IDM 800 mA 2
Power Dissipation PD 380 mW 2
Thermal Resistance, Junction-to-Ambient RθJA 328 /W ℃ 2
Storage Temperature Range Tstg -55 150 ℃ 2
Drain-to-Source Breakdown Voltage V(BR)DSS 50 V VGS = 0V ID = 250 uA 2
Zero Gate Voltage Drain Current IDSS(1) 0.1 μA VGS=0 VDS=25V 2
Zero Gate Voltage Drain Current IDSS(2) 0.5 μA VGS=0 VDS=50V 2
Gate-Body Leakage IGSS -10 10 μA VDS=0V VGS=±20 2
Gate Threshold Voltage VGS(th) 0.5 1.5 V VDS=VGS ID=1.0mA 2
Static Drain-Source On-Resistance RDS(on)(1) 2.5 3.5 Ω VGS=10V ID=200mA 2
Static Drain-Source On-Resistance RDS(on)(2) 3.1 5 Ω VGS=4.5V ID=200mA 2
Static Drain-Source On-Resistance RDS(on)(3) 5.6 10 Ω VGS=2.75V ID<200mA Ta=-40℃ to +85℃ 2
Turn-Off Delay Time td(off) 19 36 ns 2
Forward Transconductance gFS 100 mS VDS=25V ID=200mA 2
Input Capacitance Ciss 22.8 pF VDS = 25V VGS = 0 f = 1.0 MHz 2
Output Capacitance Coss 3.5 pF VDS = 25V VGS = 0 f = 1.0 MHz 2
Transfer Capacitance Crss 2.9 pF VDS = 25V VGS = 0 f = 1.0 MHz 2
Turn-On Delay Time td(on) 3.8 ns VDS = 30 V IDS = 0.5 A 2

CAD (KiCad official)

  • Symbol: BRCS139WS
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: brcs139ws-etched.step / brcs139ws-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); brcs139ws.step / brcs139ws.glb are the bare package body.

Provenance

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

  • Datasheet: Foshan Blue Rocket Elec datasheet (8 pp, sha256 6b059ae0a34f8e9c, retrieved 2026-10-18, 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