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IRL3103PBF-VB

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VBsemi Elec MOSFETs, TO-220AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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IRL3103PBF-VB

VBsemi Elec · MOSFETs · TO-220AB

IRL3103PBF-VB from VBsemi Elec, in a TO-220AB. 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 ±20 V, with threshold VGS(th) of 1.0 V min to 2.5 V max at ID = 250 µA.
2 D passive Drain (also connected to the mounting tab); VDS rated 30 V with continuous drain current of 70 A at TC = 25 °C and pulsed drain current of 250 A.
3 S passive Source; continuous source current (diode conduction) is 70 A, with RDS(on) of 0.007 Ω at VGS = 10 V and 0.010 Ω at VGS = 4.5 V.

Key specifications

Parameter Value
Manufacturer VBsemi Elec
Package TO-220AB
Category Triode/MOS Tube/Transistor
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 Breakdown Voltage VDS 30 V VGS = 0 V, ID = 250 μA 2
Gate-Source Threshold Voltage VGS(th) 1 2.5 V VDS = VGS, ID = 250 μA 2
Gate-Source Leakage IGSS -100 100 nA VDS = 0 V, VGS = ± 20 V 2
Zero Gate Voltage Drain Current IDSS 1 μA VGS = 0 V, VDS = 30 V 2
Zero Gate Voltage Drain Current IDSS 50 μA VGS = 0 V, VDS = 30 V, TJ = 125 °C 2
Zero Gate Voltage Drain Current IDSS 150 μA VGS = 0 V, VDS = 30 V, TJ = 175 °C 2
On-State Drain Current ID(on) 70 A VGS = 10 V, VDS ≥ 5 V 2
Input Capacitance Ciss 1500 pF VGS = 0 V, VDS = 25 V, f = 1 MHz 2
Output Capacitance Coss 260 pF VGS = 0 V, VDS = 25 V, f = 1 MHz 2
Reverse Transfer Capacitance Crss 95 pF VGS = 0 V, VDS = 25 V, f = 1 MHz 2
Total Gate Charge Qg 46 75 nC VGS = 10 V, VDS = 20 V, ID = 50 A 2
Gate Resistance Rg 1.3 2.8 4.5 Ω f = 1 MHz 2
Turn-On Delay Time td(on) 9 15 ns VDD = 20 V, RL = 0.4 Ω, ID ≅ 50 A, VGEN = 10 V, Rg = 1 Ω 2
Rise Time tr 19 30 ns VDD = 20 V, RL = 0.4 Ω, ID ≅ 50 A, VGEN = 10 V, Rg = 1 Ω 2
Turn-Off Delay Time td(off) 26 40 ns VDD = 20 V, RL = 0.4 Ω, ID ≅ 50 A, VGEN = 10 V, Rg = 1 Ω 2
Fall Time tf 10 15 ns VDD = 20 V, RL = 0.4 Ω, ID ≅ 50 A, VGEN = 10 V, Rg = 1 Ω 2
Pulsed Source Current ISM 200 A 2
Forward Voltage VSD 0.87 1.5 V IF = 30 A, VGS = 0 V 2
Drain-Source Voltage VDS 30 V TC = 25 °C 1
Gate-Source Voltage VGS -20 20 V TC = 25 °C 1
Continuous Drain Current ID 70 A TC = 25 °C, package limited 1
Continuous Drain Current ID 50 A TC = 125 °C 1
Continuous Source Current (Diode Conduction) IS 70 A TC = 25 °C 1
Pulsed Drain Current IDM 250 A TC = 25 °C 1
Single Pulse Avalanche Current IAS 33 A L = 0.1 mH 1
Single Pulse Avalanche Energy EAS 54 mJ L = 0.1 mH 1
Maximum Power Dissipation PD 71 W TC = 25 °C 1
Maximum Power Dissipation PD 23 W TC = 125 °C 1
Operating Junction and Storage Temperature Range TJ, Tstg -55 175 °C 1
Junction-to-Ambient Thermal Resistance RthJA 50 °C/W PCB mount, 1" square FR4 1
Drain-Source On-State Resistance RDS(on) 0.007 Ω VGS = 10 V, ID = 20 A 2
Drain-Source On-State Resistance RDS(on) 0.01 Ω VGS = 10 V, ID = 20 A, TJ = 125 °C 2
Drain-Source On-State Resistance RDS(on) 0.014 Ω VGS = 10 V, ID = 20 A, TJ = 175 °C 2
Forward Transconductance gfs 100 S VDS = 15 V, ID = 15 A 2
Gate-Source Charge Qgs 10 nC VGS = 10 V, VDS = 20 V, ID = 50 A 2
Gate-Drain Charge Qgd 8 nC VGS = 10 V, VDS = 20 V, ID = 50 A 2

CAD (KiCad official)

  • Symbol: IRL3103PBF-VB
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB (KiCad packages3D, STEP)
  • 3D model files: irl3103pbf-vb-etched.step / irl3103pbf-vb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); irl3103pbf-vb.step / irl3103pbf-vb.glb are the bare package body.

Provenance

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

  • Datasheet: VBsemi Elec datasheet (8 pp, sha256 404c9ba58e9893a6, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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