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STTH110

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STMicroelectronics Diodes - Fast Recovery Rectifiers, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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STTH110

STMicroelectronics · Diodes - Fast Recovery Rectifiers · DO-41

STTH110 from STMicroelectronics, in a DO-41. 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-41 package; the diode blocks up to VRRM of 1000 V in reverse.
2 A passive Anode of the diode; average forward current IF(AV) is 1 A at TL = 125 °C with VF max 1.42 V at 1 A, Tj = 150 °C.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package DO-41
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 1000 V Tj = 25 °C 2
Voltage rms V(RMS) 700 V Tj = 25 °C 2
Average forward current (DO-41) IF(AV) 1 A TL = 125 °C δ = 0.5 2
Forward surge current (DO-41) IFSM 20 A t = 8.3 ms 2
Storage temperature range Tstg -50 175 °C 2
Maximum operating junction temperature Tj 175 °C 2
Reverse leakage current IR 10 µA Tj = 25 °C, VR = 1000 V 2
Reverse leakage current IR 50 µA Tj = 125 °C, VR = 1000 V 2
Forward voltage drop VF 1.7 V Tj = 25 °C, IF = 1 A 2
Forward voltage drop VF 0.98 1.42 V Tj = 150 °C, IF = 1 A 2
Reverse recovery time trr 75 ns Tj = 25 °C, IF = 0.5 A, Irr = 0.25 A, IR = 1 A 2
Forward recovery time tfr 300 ns Tj = 25 °C, IF = 1 A, dIF/dt = 50 A/ms, VFR = 1.1 x VFmax 2
Forward recovery voltage VFP 18 V Tj = 25 °C, IF = 1 A, dIF/dt = 50 A/ms 2
Thermal resistance junction to lead (DO-41) Rth(j-l) 45 °C/W Lead length = 10 mm 2
Thermal resistance junction to ambient (DO-41) Rth(j-a) 110 °C/W Lead length = 10 mm 2

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 ambient versus copper surface under each lead 3

CAD (KiCad official)

  • Symbol: STTH110
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-41 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: STMicroelectronics datasheet (8 pp, sha256 ab7951a9a837446f, retrieved 2026-10-23, 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