component
1SS387
Public Made by Adomby adom
TOSHIBA Switching Diodes, SOD-523. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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1SS387
TOSHIBA · Switching Diodes · SOD-523
1SS387 from TOSHIBA, in a SOD-523. 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 | TOSHIBA |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum (peak) reverse voltage | VRM | 85 | V | 1 | |||
| Reverse voltage | VR | 80 | V | 1 | |||
| Maximum (peak) forward current | IFM | 200 | mA | 1 | |||
| Average forward current | IO | 100 | mA | 1 | |||
| Surge current (10ms) | IFSM | 1 | A | 1 | |||
| Power dissipation | PD | 150 | mW | Note 3, 4 | 1 | ||
| Junction temperature | Tj | 125 | °C | Note 3 | 1 | ||
| Storage temperature | Tstg | -55 | 125 | °C | Note 3 | 1 | |
| Forward voltage | VF (3) | 0.98 | 1.2 | V | IF = 100 mA | 2 | |
| Reverse current | IR (1) | 0.1 | μA | VR = 30 V | 2 | ||
| Reverse current | IR (2) | 0.5 | μA | VR = 80 V | 2 | ||
| Total capacitance | CT | 0.5 | 3 | pF | VR = 0 V, f = 1 MHz | 2 | |
| Reverse recovery time | trr | 1.6 | 4 | ns | IF = 10 mA, Fig.1 | 2 | |
| Forward voltage | VF (1) | 0.62 | V | IF = 1 mA | 2 | ||
| Forward voltage | VF (2) | 0.75 | V | IF = 10 mA | 2 |
CAD (KiCad official)
- Symbol:
1SS387 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
1ss387-etched.step/1ss387-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1ss387.step/1ss387.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TOSHIBA datasheet (4 pp, sha256
bc7fa9441a7dcdd7, retrieved 2026-10-26, 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).
# 1SS387
**TOSHIBA** · Switching Diodes · SOD-523
1SS387 from TOSHIBA, in a SOD-523. 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 | TOSHIBA |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum (peak) reverse voltage | VRM | | | 85 | V | | 1 |
| Reverse voltage | VR | | | 80 | V | | 1 |
| Maximum (peak) forward current | IFM | | | 200 | mA | | 1 |
| Average forward current | IO | | | 100 | mA | | 1 |
| Surge current (10ms) | IFSM | | | 1 | A | | 1 |
| Power dissipation | PD | | | 150 | mW | Note 3, 4 | 1 |
| Junction temperature | Tj | | | 125 | °C | Note 3 | 1 |
| Storage temperature | Tstg | -55 | | 125 | °C | Note 3 | 1 |
| Forward voltage | VF (3) | | 0.98 | 1.2 | V | IF = 100 mA | 2 |
| Reverse current | IR (1) | | | 0.1 | μA | VR = 30 V | 2 |
| Reverse current | IR (2) | | | 0.5 | μA | VR = 80 V | 2 |
| Total capacitance | CT | | 0.5 | 3 | pF | VR = 0 V, f = 1 MHz | 2 |
| Reverse recovery time | trr | | 1.6 | 4 | ns | IF = 10 mA, Fig.1 | 2 |
| Forward voltage | VF (1) | | 0.62 | | V | IF = 1 mA | 2 |
| Forward voltage | VF (2) | | 0.75 | | V | IF = 10 mA | 2 |
## CAD (KiCad official)
- Symbol: `1SS387`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `1ss387-etched.step` / `1ss387-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1ss387.step` / `1ss387.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [TOSHIBA datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603133343219806208) (4 pp, sha256 `bc7fa9441a7dcdd7`, retrieved 2026-10-26, tier: lcsc)
- **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](docs/1ss387-datasheet.pdf)