component

2SK208-R

Public Made by Adom

by adom

TOSHIBA JFETs, TO-236-3(SOT-23-3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SK208-R

TOSHIBA · JFETs · TO-236-3(SOT-23-3)

2SK208-R from TOSHIBA, in a TO-236-3(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 SOURCE passive Source terminal of the N-channel junction FET.
2 DRAIN passive Drain terminal of the N-channel junction FET; IDSS is 0.3 to 6.5 mA at VDS = 10 V, VGS = 0.
3 GATE passive Gate terminal; gate-drain voltage VGDS is -50 V, gate current IG max 10 mA, and IGSS is -1.0 nA max at VGS = -30 V.

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package TO-236-3(SOT-23-3)
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
Gate-drain voltage VGDS -50 V Ta = 25°C 1
Gate current IG 10 mA Ta = 25°C 1
Drain power dissipation PD 100 mW Ta = 25°C 1
Junction temperature Tj 125 °C Ta = 25°C 1
Storage temperature range Tstg -55 125 °C Ta = 25°C 1
Gate cut-off current IGSS -1 nA VGS = −30 V, VDS = 0 1
Gate-drain breakdown voltage V(BR)GDS -50 V VDS = 0, IG = −100 μA 1
Drain current (R grade) IDSS 0.3 0.75 mA VDS = 10 V, VGS = 0; IDSS classification R 1
Drain current (all grades) IDSS 0.3 6.5 mA VDS = 10 V, VGS = 0 1
Gate-source cut-off voltage VGS(OFF) -0.4 -5 V VDS = 10 V, ID = 0.1 μA 1
Forward transfer admittance /Yfs/ 1.2 mS VDS = 10 V, VGS = 0, f = 1 kHz 1
Input capacitance Ciss 8.2 pF VDS = 10 V, VGS = 0, f = 1 MHz 1
Reverse transfer capacitance Crss 2.6 pF VGD = −10 V, ID = 0, f = 1 MHz 1
Noise figure NF 0.5 dB VDS = 15 V, VGS = 0, RG = 100 kΩ, f = 120 Hz 1

CAD (KiCad official)

  • Symbol: 2SK208-R
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
  • 3D model files: 2sk208-r-etched.step / 2sk208-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sk208-r.step / 2sk208-r.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (4 pp, sha256 84a99e5e3a8b07e4, retrieved 2026-10-22, tier: manufacturer)
  • 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