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Ray Publish 0.1.0 1704f4a 12d ago

BAT48

STMicroelectronics · Schottky Diodes · DO-35

BAT48 from STMicroelectronics, in a DO-35. 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-35
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 40 V 2
Continuous forward current IF 350 mA 2
Surge non repetitive forward current (DO-35) IFSM 7.5 A tp = 10 ms sinusoidal 2
Storage temperature range Tstg -65 150 °C 2
Maximum operating junction temperature range (DO-35) Tj -40 125 °C DO-35 2
Maximum temperature for soldering (DO-35) TL 230 °C DO-35 at 4 mm from case, during 10 s 2
Junction to lead thermal resistance (DO-35) Rth(j-l) 300 °C/W On infinite heatsink with 4 mm lead length 2
Breakdown reverse voltage VBR 40 V Tj = 25 °C, Ir = 25 µA 3
Reverse leakage current IR 1 µA Tj = 25 °C, VR = 1.5 V; pulse tp = 5 ms, δ < 2 % 3
Reverse leakage current IR 2 µA Tj = 25 °C, VR = 10 V; pulse tp = 5 ms, δ < 2 % 3
Reverse leakage current IR 5 µA Tj = 25 °C, VR = 20 V; pulse tp = 5 ms, δ < 2 % 3
Reverse leakage current IR 25 µA Tj = 25 °C, VR = 40 V; pulse tp = 5 ms, δ < 2 % 3
Reverse leakage current IR 10 µA Tj = 60 °C, VR = 1.5 V; pulse tp = 5 ms, δ < 2 % 3
Reverse leakage current IR 15 µA Tj = 60 °C, VR = 10 V; pulse tp = 5 ms, δ < 2 % 3
Reverse leakage current IR 50 µA Tj = 60 °C, VR = 40 V; pulse tp = 5 ms, δ < 2 % 3
Forward voltage drop VF 0.25 V Tj = 25 °C, IF = 0.1 mA; pulse tp = 380 µs, δ < 2 % 3
Forward voltage drop VF 0.3 V Tj = 25 °C, IF = 1 mA; pulse tp = 380 µs, δ < 2 % 3
Forward voltage drop VF 0.4 V Tj = 25 °C, IF = 10 mA; pulse tp = 380 µs, δ < 2 % 3
Forward voltage drop VF 0.5 V Tj = 25 °C, IF = 50 mA; pulse tp = 380 µs, δ < 2 % 3
Forward voltage drop VF 0.75 V Tj = 25 °C, IF = 200 mA; pulse tp = 380 µs, δ < 2 % 3
Forward voltage drop VF 0.9 V Tj = 25 °C, IF = 500 mA; pulse tp = 380 µs, δ < 2 % 3
Diode capacitance C 30 pF VR = 0 V, F = 1 MHz 3
Diode capacitance C 18 pF VR = 1 V, F = 1 MHz 3

CAD (KiCad official)

  • Symbol: BAT48
  • Footprint: Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal
  • 3D model: DO-35 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: STMicroelectronics datasheet (8 pp, sha256 f4789cce0cc2c7a4, retrieved 2026-10-13, 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