component
BAT54WT1G
Public Made by Adomby adom
onsemi Schottky Barrier Diodes (SBD), SOT-323. Pinout cross-checked by two models against the datasheet, 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
markdownBAT54WT1G
onsemi · Schottky Barrier Diodes (SBD) · SOT-323
BAT54WT1G from onsemi, in a SOT-323. 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 | ANODE | passive | Anode of the Schottky diode (CASE 419 Style 2, pin 1), 30 V maximum reverse voltage and 200 mA maximum DC forward current. |
| 2 | N.C. | unconnected | No connect pin per CASE 419 Style 2. |
| 3 | CATHODE | passive | Cathode of the Schottky diode (CASE 419 Style 2, pin 3), 30 V maximum reverse voltage. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-323 |
| Category | Diodes |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | 30 | V | IR = 10 µA | 2 | ||
| Total Capacitance | CT | 7.6 | 10 | pF | VR = 1.0 V, f = 1.0 MHz | 2 | |
| Reverse Leakage | IR | 0.2 | 2 | µAdc | VR = 25 V | 2 | |
| Forward Voltage | VF | 0.22 | 0.24 | V | IF = 0.1 mA | 2 | |
| Forward Voltage | VF | 0.29 | 0.32 | V | IF = 1.0 mA | 2 | |
| Forward Voltage | VF | 0.35 | 0.4 | V | IF = 10 mA | 2 | |
| Forward Voltage | VF | 0.41 | 0.5 | V | IF = 30 mA | 2 | |
| Forward Voltage | VF | 0.52 | 0.8 | V | IF = 100 mA | 2 | |
| Reverse Recovery Time | trr | 5 | ns | IF = IR = 10 mAdc, IR(REC) = 1.0 mAdc, Figure 1 | 2 | ||
| Reverse Voltage | VR | 30 | V | TJ = 125°C | 1 | ||
| Forward Power Dissipation | PF | 200 | mW | TA = 25°C | 1 | ||
| Power Dissipation Derating | 2 | mW/°C | Derate above 25°C | 1 | |||
| Forward Current (DC) | IF | 200 | mA | 1 | |||
| Non-Repetitive Peak Forward Current | IFSM | 600 | mA | tp < 10 msec | 1 | ||
| Repetitive Peak Forward Current | IFRM | 300 | mA | Pulse Wave = 1 sec, Duty Cycle = 66% | 1 | ||
| Junction Temperature | TJ | -55 | 125 | °C | 1 | ||
| Storage Temperature Range | Tstg | -55 | 150 | °C | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 285 | °C/W | 10 mm2 pad, 1 oz. Cu | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 216 | °C/W | 100 mm2 pad, 1 oz. Cu | 1 |
CAD (KiCad official)
- Symbol:
BAT54WT1G - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files:
bat54wt1g-etched.step/bat54wt1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bat54wt1g.step/bat54wt1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (5 pp, sha256
df43b03bf5c5fc73, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).