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BAT54CW-QX
Public Made by Adomby adom
Nexperia Schottky Diodes, SC-70. 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
markdownBAT54CW-QX
Nexperia · Schottky Diodes · SC-70
BAT54CW-QX from Nexperia, in a SC-70. 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 | A1 | passive | Anode of diode 1, one of the two Schottky diode anodes in the SC-70 (SOT323) package. |
| 2 | A2 | passive | Anode of diode 2, one of the two Schottky diode anodes in the SC-70 (SOT323) package. |
| 3 | K1, K2 | passive | Common cathode shared by diode 1 and diode 2. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SC-70 |
| 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 |
|---|---|---|---|---|---|---|---|
| VF forward voltage | VF | 240 | mV | IF = 0.1 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| VF forward voltage | VF | 320 | mV | IF = 1 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| VF forward voltage | VF | 400 | mV | IF = 10 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| VF forward voltage | VF | 500 | mV | IF = 30 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| VF forward voltage | VF | 800 | mV | IF = 100 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| IR reverse current | IR | 2 | µA | VR = 25 V; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| Cd diode capacitance | Cd | 10 | pF | VR = 1 V; f = 1 MHz; Tamb = 25 °C | 3 | ||
| trr reverse recovery time | trr | 5 | ns | IF = 10 mA; IR = 10 mA; IR(meas) = 1 mA; RL = 100 Ω; Tamb = 25 °C | 3 | ||
| VR reverse voltage | VR | 30 | V | Tj = 25 °C | 2 | ||
| IF forward current | IF | 200 | mA | 2 | |||
| IFRM repetitive peak forward current | IFRM | 300 | mA | tp ≤ 1 s; δ ≤ 0.5 | 2 | ||
| IFSM non-repetitive peak forward current | IFSM | 600 | mA | tp < 10 ms; Tj(init) = 25 °C | 2 | ||
| Ptot total power dissipation | Ptot | 200 | mW | Per device; one diode loaded; Tamb ≤ 25 °C | 2 | ||
| junction temperature | Tj | 150 | °C | 2 | |||
| ambient temperature | Tamb | -55 | 150 | °C | 2 | ||
| storage temperature | Tstg | -65 | 150 | °C | 2 | ||
| thermal resistance from junction to ambient | Rth(j-a) | 625 | K/W | in free air; per device; one diode loaded; device mounted on FR4 PCB | 2 |
CAD (KiCad official)
- Symbol:
BAT54CW-QX - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SC-70 (KiCad packages3D, STEP)
- 3D model files:
bat54cw-qx-etched.step/bat54cw-qx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bat54cw-qx.step/bat54cw-qx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (8 pp, sha256
dbcd4f7076488a89, retrieved 2026-10-26, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).