main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 6d ago
viewers br4953: viewers · Ray 6d ago
br4953-etched.glb Publish 0.1.0 · Ray 6d ago
br4953-etched.step br4953: factory component page (tier=lcsc) · Ray 6d ago
br4953-hero.glb br4953: hero GLB from the etched model (keeps the MPN mark) · Ray 6d ago
br4953-hero.overlay.json Publish 0.1.0 · Ray 6d ago
br4953.glb Publish 0.1.0 · Ray 6d ago
br4953.kicad_mod Publish 0.1.0 · Ray 6d ago
br4953.kicad_sym Publish 0.1.0 · Ray 6d ago
br4953.lbr Publish 0.1.0 · Ray 6d ago
br4953.step Publish 0.1.0 · Ray 6d ago
package.json Publish 0.1.0 · Ray 6d ago
page.json Set visibility: public · Ray 6d ago
README.md Publish 0.1.0 · Ray 6d ago
verification.json Verified: Published by the parts factory: tier lcsc, 8 pins · Ray 6d ago

BR4953

Foshan Blue Rocket Elec · MOSFETs · SOP-8

BR4953 from Foshan Blue Rocket Elec, in a SOP-8. 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 terminal of the first P-channel MOSFET, rated for a drain-source voltage VDSS of -30 V.
2 G1 passive Gate terminal of the first P-channel MOSFET, with gate-source voltage VGSS rated at ±20 V.
3 S2 passive Source terminal of the second P-channel MOSFET, rated for a drain-source voltage VDSS of -30 V.
4 G2 passive Gate terminal of the second P-channel MOSFET, with gate-source voltage VGSS rated at ±20 V.
5 D2 passive Drain terminal of the second P-channel MOSFET, with continuous drain current ID rated at -4.9 A.
6 D2 passive Drain terminal of the second P-channel MOSFET, with continuous drain current ID rated at -4.9 A.
7 D1 passive Drain terminal of the first P-channel MOSFET, with continuous drain current ID rated at -4.9 A.
8 D1 passive Drain terminal of the first P-channel MOSFET, with continuous drain current ID rated at -4.9 A.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package SOP-8
Category Triode/MOS Tube/Transistor
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
Drain-Source Voltage VDSS -30 V 2
Gate-Source Voltage VGSS -20 20 V 2
Continuous Drain Current ID -4.9 A Surface mounted on 1in² pad, t≤10 s 2
Pulsed Drain Current IDM -20 A 2
Diode Continuous Forward Current IS -2 A 2
Power Dissipation for Single Operation PD 2 W Ta=25℃; surface mounted on 1in² pad, t≤10 s 2
Power Dissipation for Single Operation PD 0.8 W Ta=100℃; surface mounted on 1in² pad, t≤10 s 2
Maximum Junction Temperature Tj 150 ℃ 2
Storage Temperature Range Tstg -55 150 ℃ 2
Thermal Resistance-Junction to Ambient RθJA 62.5 ℃/W Surface mounted on 1in² pad, t≤10 s 2
Drain-Source Breakdown Voltage BVDSS -30 V VGS=0V IDS=-250μA 2
Zero Gate Voltage Drain Current IDSS -1 μA VDS=-24V VGS=0V 2
Zero Gate Voltage Drain Current (TJ=85°C) IDSS -30 μA VDS=-24V VGS=0V TJ=85°C 2
Gate Threshold Voltage VGS(th) -1 -1.45 -2 V VDS=VGS IDS=-250μA 2
Gate Leakage Current IGSS -100 100 nA VGS=±20V VDS=0V 2
Drain-Source On-state Resistance RDS(ON) 53 60 mΩ VGS=-10V IDS=-4.9A 2
Drain-Source On-state Resistance RDS(ON) 80 95 mΩ VGS=-4.5V IDS=-3.6A 2
Diode Forward Voltage VSD -0.7 -1.3 V VGS=0V ISD=-3.0A 2
Total Gate Charge Qg 22.6 30 nC VDS=-15V VGS=-10V IDS=-4.9A 2
Turn-on Delay Time td(ON) 10 18 ns VDD=-15V RL=15Ω IDS=-1A VGEN=-10V RG=6Ω 3
Turn-on Rise Time Tr 15 20 ns VDD=-15V RL=15Ω IDS=-1A VGEN=-10V RG=6Ω 3
Turn-off Delay Time Td(OFF) 22 38 ns VDD=-15V RL=15Ω IDS=-1A VGEN=-10V RG=6Ω 3
Turn-off Fall Time Tf 15 25 ns VDD=-15V RL=15Ω IDS=-1A VGEN=-10V RG=6Ω 3
Gate-Source Charge Qgs 4.7 nC 2
Gate-Drain Charge Qgd 2 nC 2
Gate Resistance RG 11 Ω VGS=0V VDS=0V F=1MHz 3
Input Capacitance Ciss 1260 pF VGS=0V VDS=-25V Frequency=1.0MHz 3
Output Capacitance Coss 400 pF 3
Reverse Transfer Capacitance Crss 220 pF 3

CAD (KiCad official)

  • Symbol: BR4953
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: br4953-etched.step / br4953-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); br4953.step / br4953.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 6330a5cbf372d5fd, retrieved 2026-11-05, 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