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STTH4L06

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STMicroelectronics Fast Recovery / High Efficiency Diodes, DO-201AD. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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STTH4L06

STMicroelectronics · Fast Recovery / High Efficiency Diodes · DO-201AD

STTH4L06 from STMicroelectronics, in a DO-201AD. 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 K passive Cathode, marked by the band on the DO-201AD package; the 600 V VRRM diode blocks reverse voltage with this terminal positive relative to A.
2 A passive Anode of the Turbo 2 ultrafast rectifier, rated for 4 A average forward current (IF(AV)) and 10 A forward rms current.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package DO-201AD
Category Diodes
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Repetitive peak reverse voltage VRRM 600 V 2
Forward rms current IF(RMS) 10 A 2
Average forward current IF(AV) 4 A 2
Surge non repetitive forward current IFSM 80 A tp = 8.3 ms sinusoidal 2
Storage temperature range Tstg -65 175 °C 2
Maximum operating junction temperature Tj 175 °C 2
Junction to lead thermal resistance Rth(j-l) 20 °C/W Terminal length = 10 mm 2
Junction to ambient thermal resistance Rth(j-a) 75 °C/W 2
Reverse leakage current IR 3 µA Tj = 25 °C, VR = VRRM 2
Reverse leakage current IR 15 100 µA Tj = 150 °C, VR = VRRM 2
Forward voltage drop VF 1.3 V Tj = 25 °C, IF = 3 A 2
Forward voltage drop VF 0.85 1.05 V Tj = 150 °C, IF = 3 A 2
Forward voltage drop VF 0.9 1.1 V Tj = 150 °C, IF = 4 A 2
Reverse recovery time trr 55 75 ns IF = 1 A, dIF/dt = -50 A/μs, VR = 30 V 3
Reverse recovery time trr 40 55 ns IF = 1 A, dIF/dt = -100 A/μs, VR = 30 V 3
Reverse recovery current IRM 3 4 A Tj = 25 °C, IF = 4 A, dIF/dt = -100 A/μs, VR = 400 V 3
Reverse recovery current IRM 5 6.5 A Tj = 150 °C, IF = 4 A, dIF/dt = -100 A/μs, VR = 400 V 3
Forward recovery time tfr 130 ns IF = 4 A, dIF/dt = -100 A/μs, VFR = 1.1 x VFmax 3
Forward recovery voltage VFP 7.5 V IF = 4 A, dIF/dt = 100 A/μs 3

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper versus copper surface under lead Figure 12: Thermal resistance versus lead length 5

CAD (KiCad official)

  • Symbol: STTH4L06
  • Footprint: Diode_THT:D_DO-201AD_P15.24mm_Horizontal
  • 3D model: DO-201AD (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: STMicroelectronics datasheet (8 pp, sha256 a1bab83cb8606766, retrieved 2026-10-22, tier: manufacturer)
  • 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