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CRST049N08N

CRMICRO · MOSFETs · TO-220

CRST049N08N from CRMICRO, in a TO-220. 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 is rated at ±20 V maximum, with a typical gate threshold of 3 V (2 to 4 V) at ID=250 µA.
2 D passive Drain, also connected to the tab; drain-source voltage is rated at 85 V maximum and continuous current at 120 A (package limit) at TC=25°C.
3 S passive Source; connects to the body diode anode, and the diode forward voltage is 1.4 V maximum at ISD=50A.

Key specifications

Parameter Value
Manufacturer CRMICRO
Package TO-220
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 breakdown voltage BVDSS 85 V VGS=0V, ID=250uA 2
Zero gate voltage drain current (Tj=25°C) IDSS 0.05 1 µA VDS=80V, VGS=0V, Tj=25°C 2
Zero gate voltage drain current (Tj=125°C) IDSS 5 µA VDS=80V, VGS=0V, Tj=125°C 2
Gate threshold voltage VGS(th) 2 3 4 V VDS=VGS, ID=250uA 2
Drain-source on-state resistance (TO-220) RDS(on) 4.1 4.9 mΩ VGS=10V, ID=50A 2
Gate-source leakage current IGSS 10 100 nA VGS=±20V, VDS=0V 2
Body diode forward voltage VSD 0.9 1.4 V VGS=0V, ISD=50A 3
Drain-source voltage VDS 85 V 1
Gate-source voltage VGS -20 20 V 1
Continuous drain current (silicon limit) ID 150 A TC = 25°C (Silicon limit) 1
Continuous drain current (package limit) ID 120 A TC = 25°C (Package limit) 1
Continuous drain current (silicon limit) ID 95 A TC = 100°C (Silicon limit) 1
Pulsed drain current ID pulse 480 A TC = 25°C, tp limited by Tjmax 1
Power dissipation Ptot 189 W TC = 25°C 1
Operating junction and storage temperature Tj, Tstg -55 150 °C 1
Avalanche energy, single pulse EAS 784 mJ EAS(max) under IAS(max)=56A and above conditions (Note 1: L=0.5mH, Rg=25Ω) 1
Thermal resistance, junction to case RthJC 0.66 °C/W 2
Thermal resistance, junction to ambient RthJA 58 °C/W Min. footprint 2

CAD (KiCad official)

  • Symbol: CRST049N08N
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: crst049n08n-etched.step / crst049n08n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); crst049n08n.step / crst049n08n.glb are the bare package body.

Provenance

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

  • Datasheet: CRMICRO datasheet (10 pp, sha256 ee9ee4315d5c988b, retrieved 2026-10-19, tier: lcsc)
  • 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