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BAT46
Public Made by Adomby adom
STMicroelectronics Schottky Diodes, DO-35. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBAT46
STMicroelectronics · Schottky Diodes · DO-35
BAT46 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 | 100 | V | 1 | |||
| Forward continuous current | IF | 150 | mA | Ta = 25°C | 1 | ||
| Repetitive peak forward current | IFRM | 350 | mA | tp ≤ 1s δ≤ 0.5 | 1 | ||
| Surge non repetitive forward current | IFSM | 750 | mA | tp = 10ms | 1 | ||
| Power dissipation | Ptot | 150 | mW | TI = 80°C | 1 | ||
| Storage temperature range | Tstg | -65 | 150 | °C | 1 | ||
| Junction temperature range | Tj | -65 | 125 | °C | 1 | ||
| Maximum temperature for soldering | TL | 230 | °C | during 10s at 4mm from case | 1 | ||
| Thermal resistance junction-ambient | Rth(j-a) | 300 | °C/W | Junction-ambient; on infinite heatsink with 4mm lead length | 1 | ||
| Breakdown voltage | VBR | 100 | V | Tj = 25°C IR = 100µA | 2 | ||
| Forward voltage | VF | 0.25 | V | Tj = 25°C IF = 0.1mA | 2 | ||
| Forward voltage | VF | 0.45 | V | Tj = 25°C IF = 10mA | 2 | ||
| Forward voltage | VF | 1 | V | Tj = 25°C IF = 250mA | 2 | ||
| Reverse leakage current | IR | 0.5 | µA | Tj = 25°C VR = 1.5V | 2 | ||
| Reverse leakage current | IR | 5 | µA | Tj = 60°C | 2 | ||
| Reverse leakage current | IR | 0.8 | µA | Tj = 25°C VR = 10V | 2 | ||
| Reverse leakage current | IR | 7.5 | µA | Tj = 60°C | 2 | ||
| Reverse leakage current | IR | 2 | µA | Tj = 25°C VR = 50V | 2 | ||
| Reverse leakage current | IR | 15 | µA | Tj = 60°C | 2 | ||
| Reverse leakage current | IR | 20 | µA | Tj = 60°C | 2 | ||
| Junction capacitance | C | 10 | pF | Tj = 25°C VR = 0V f = 1Mhz | 2 | ||
| Junction capacitance | C | 6 | pF | Tj = 25°C VR = 1V | 2 |
CAD (KiCad official)
- Symbol:
BAT46 - 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 (4 pp, sha256
240d1ff18a29e67d, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).