component
BAS40-07
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Nexperia Schottky Barrier Diodes (SBD), SOT-143. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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BAS40-07
Nexperia · Schottky Barrier Diodes (SBD) · SOT-143
BAS40-07 from Nexperia, in a SOT-143. 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 | K1 | passive | Cathode of diode 1; the device reverse voltage VR is rated at 40 V maximum at Tj = 25 °C. |
| 2 | K2 | passive | Cathode of diode 2; the device reverse voltage VR is rated at 40 V maximum at Tj = 25 °C. |
| 3 | A2 | passive | Anode of diode 2; the device forward current IF is rated at 120 mA maximum. |
| 4 | A1 | passive | Anode of diode 1; the device forward current IF is rated at 120 mA maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOT-143 |
| Category | Diodes |
| Pins | 4 |
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 voltage | VR | 40 | V | Tj = 25 °C | 2 | ||
| forward current | IF | 120 | mA | 2 | |||
| repetitive peak forward current | IFRM | 120 | mA | tp ≤ 1 s; δ ≤ 0.5 | 2 | ||
| non-repetitive peak forward current | IFSM | 200 | mA | tp ≤ 10 ms; Tj(init) = 25 °C | 2 | ||
| junction temperature | Tj | 150 | °C | 2 | |||
| ambient temperature | Tamb | -65 | 150 | °C | 2 | ||
| storage temperature | Tstg | -65 | 150 | °C | 2 | ||
| thermal resistance from junction to ambient | Rth(j-a) | 500 | K/W | in free air; device mounted on FR4 PCB, single-sided copper, standard footprint | 3 | ||
| forward voltage | VF | 380 | mV | IF = 1 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| forward voltage | VF | 500 | mV | IF = 10 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| forward voltage | VF | 1 | V | IF = 40 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 | ||
| reverse current | IR | 1 | µA | VR = 30 V; Tamb = 25 °C | 3 | ||
| reverse current | IR | 10 | µA | VR = 40 V; Tamb = 25 °C | 3 | ||
| diode capacitance | Cd | 5 | pF | VR = 0 V; f = 1 MHz; Tamb = 25 °C | 3 |
CAD (KiCad official)
- Symbol:
BAS40-07 - Footprint:
Package_TO_SOT_SMD:SOT-143 - 3D model: SOT-143 (KiCad packages3D, STEP)
- 3D model files:
bas40-07-etched.step/bas40-07-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bas40-07.step/bas40-07.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (8 pp, sha256
968546b7b9d7972d, retrieved 2026-10-28, 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).
# BAS40-07
**Nexperia** · Schottky Barrier Diodes (SBD) · SOT-143
BAS40-07 from Nexperia, in a SOT-143. 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 | K1 | passive | Cathode of diode 1; the device reverse voltage VR is rated at 40 V maximum at Tj = 25 °C. |
| 2 | K2 | passive | Cathode of diode 2; the device reverse voltage VR is rated at 40 V maximum at Tj = 25 °C. |
| 3 | A2 | passive | Anode of diode 2; the device forward current IF is rated at 120 mA maximum. |
| 4 | A1 | passive | Anode of diode 1; the device forward current IF is rated at 120 mA maximum. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOT-143 |
| Category | Diodes |
| Pins | 4 |
## 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 voltage | VR | | | 40 | V | Tj = 25 °C | 2 |
| forward current | IF | | | 120 | mA | | 2 |
| repetitive peak forward current | IFRM | | | 120 | mA | tp ≤ 1 s; δ ≤ 0.5 | 2 |
| non-repetitive peak forward current | IFSM | | | 200 | mA | tp ≤ 10 ms; Tj(init) = 25 °C | 2 |
| junction temperature | Tj | | | 150 | °C | | 2 |
| ambient temperature | Tamb | -65 | | 150 | °C | | 2 |
| storage temperature | Tstg | -65 | | 150 | °C | | 2 |
| thermal resistance from junction to ambient | Rth(j-a) | | | 500 | K/W | in free air; device mounted on FR4 PCB, single-sided copper, standard footprint | 3 |
| forward voltage | VF | | | 380 | mV | IF = 1 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 |
| forward voltage | VF | | | 500 | mV | IF = 10 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 |
| forward voltage | VF | | | 1 | V | IF = 40 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C | 3 |
| reverse current | IR | | | 1 | µA | VR = 30 V; Tamb = 25 °C | 3 |
| reverse current | IR | | | 10 | µA | VR = 40 V; Tamb = 25 °C | 3 |
| diode capacitance | Cd | | | 5 | pF | VR = 0 V; f = 1 MHz; Tamb = 25 °C | 3 |
## CAD (KiCad official)
- Symbol: `BAS40-07`
- Footprint: `Package_TO_SOT_SMD:SOT-143`
- 3D model: SOT-143 (KiCad packages3D, STEP)
- 3D model files: `bas40-07-etched.step` / `bas40-07-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bas40-07.step` / `bas40-07.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/BAS40-07.pdf) (8 pp, sha256 `968546b7b9d7972d`, retrieved 2026-10-28, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/bas40-07-datasheet.pdf)