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STTH1R04QRL

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STMicroelectronics Diodes - Fast Recovery Rectifiers, DO-15. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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STTH1R04QRL

STMicroelectronics · Diodes - Fast Recovery Rectifiers · DO-15

STTH1R04QRL from STMicroelectronics, in a DO-15. 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package DO-15
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 400 V 2
Average forward current (DO-15) IF(AV) 1 A δ = 0.5, square wave, DO-15 TL = 105 °C 2
Surge non repetitive forward current IFSM 30 A tp = 10 ms sinusoidal 2
Storage temperature range Tstg -65 175 °C 2
Operating junction temperature Tj 175 °C 2
Junction to lead thermal resistance (DO-15) Rth(j-l) 50 °C/W Lead length = 10 mm on infinite heatsink 2
Reverse leakage current at 25 °C IR 5 µA Tj = 25 °C, VR = VRRM 2
Reverse leakage current at 125 °C IR 5 50 µA Tj = 125 °C, VR = VRRM 2
Forward voltage drop at 25 °C VF 1.5 V Tj = 25 °C, IF = 1 A 2
Forward voltage drop at 100 °C VF 1 1.25 V Tj = 100 °C, IF = 1 A 2
Forward voltage drop at 150 °C VF 0.9 1.15 V Tj = 150 °C, IF = 1 A 2
Reverse recovery time trr 30 ns IF = 1 A, dIF/dt = -50 A/μs, VR = 30 V 3
Reverse recovery time trr 14 20 ns IF = 1 A, dIF/dt = -100 A/μs, VR = 30 V 3
Reverse recovery current IRM 2.5 3.5 A IF = 1 A, dIF/dt = -200 A/μs, VR = 320 V, Tj = 125 °C 3
Forward recovery time tfr 50 ns IF = 1 A, dIF/dt = 100 A/μs, VFR = 1.1 x VF(max.) 3
Forward recovery voltage VFP 3.5 V IF = 1 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 copper surface under each lead (typical values) 6

CAD (KiCad official)

  • Symbol: STTH1R04QRL
  • Footprint: Diode_THT:D_DO-15_P12.70mm_Horizontal
  • 3D model: DO-15 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: STMicroelectronics datasheet (14 pp, sha256 77f6b943bfd73c40, retrieved 2026-10-21, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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