component
SS520BQ
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Yangzhou Yangjie Elec Tech Schottky Diodes, SMB(DO-214AA). 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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SS520BQ
Yangzhou Yangjie Elec Tech · Schottky Diodes · SMB(DO-214AA)
SS520BQ from Yangzhou Yangjie Elec Tech, in a SMB(DO-214AA). 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 | Yangzhou Yangjie Elec Tech |
| Package | SMB(DO-214AA) |
| 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 |
|---|---|---|---|---|---|---|---|
| Instantaneous forward voltage | VF | 0.82 | 0.9 | V | IF=5A, TJ=25℃ | 1 | |
| Instantaneous forward voltage | VF | 0.7 | 0.8 | V | IF=5A, TJ=125℃ | 1 | |
| Reverse current | IR | 1 | μA | Rated VR, TJ=25℃ | 1 | ||
| Reverse current | IR | 150 | μA | Rated VR, TJ=125℃ | 1 | ||
| Repetitive peak reverse voltage | VRRM | 200 | V | Ta=25℃ | 1 | ||
| Maximum RMS voltage | VRMS | 140 | V | Ta=25℃ | 1 | ||
| Maximum DC blocking voltage | VDC | 200 | V | Ta=25℃ | 1 | ||
| Maximum average forward rectified current | IO | 5 | A | at TL (Fig.1) | 1 | ||
| Surge (non-repetitive) forward current | IFSM | 120 | A | @60Hz half-sine wave, 1 cycle, TJ=25℃ | 1 | ||
| Voltage rate of change | dV/dt | 10000 | V/μs | rated VR | 1 | ||
| Storage temperature | Tstg | -55 | 175 | ℃ | 1 | ||
| Junction temperature | TJ | -55 | 175 | ℃ | 1 | ||
| Thermal resistance junction to lead | RθJ-L | 22 | ℃/W | mounted on P.C.B. with 0.6" x 0.6" (16 mm x 16 mm) copper pad areas | 2 | ||
| Typical junction capacitance | CJ | 100 | pF | VR=4V, f=1MHz | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
SS520BQ - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
ss520bq-etched.step/ss520bq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ss520bq.step/ss520bq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (4 pp, sha256
505e6afd62bae9c7, retrieved 2026-10-22, 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).
# SS520BQ
**Yangzhou Yangjie Elec Tech** · Schottky Diodes · SMB(DO-214AA)
SS520BQ from Yangzhou Yangjie Elec Tech, in a SMB(DO-214AA). 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 | Yangzhou Yangjie Elec Tech |
| Package | SMB(DO-214AA) |
| 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 |
|---|---|---|---|---|---|---|---|
| Instantaneous forward voltage | VF | | 0.82 | 0.9 | V | IF=5A, TJ=25℃ | 1 |
| Instantaneous forward voltage | VF | | 0.7 | 0.8 | V | IF=5A, TJ=125℃ | 1 |
| Reverse current | IR | | | 1 | μA | Rated VR, TJ=25℃ | 1 |
| Reverse current | IR | | | 150 | μA | Rated VR, TJ=125℃ | 1 |
| Repetitive peak reverse voltage | VRRM | | | 200 | V | Ta=25℃ | 1 |
| Maximum RMS voltage | VRMS | | | 140 | V | Ta=25℃ | 1 |
| Maximum DC blocking voltage | VDC | | | 200 | V | Ta=25℃ | 1 |
| Maximum average forward rectified current | IO | | | 5 | A | at TL (Fig.1) | 1 |
| Surge (non-repetitive) forward current | IFSM | | | 120 | A | @60Hz half-sine wave, 1 cycle, TJ=25℃ | 1 |
| Voltage rate of change | dV/dt | | | 10000 | V/μs | rated VR | 1 |
| Storage temperature | Tstg | -55 | | 175 | ℃ | | 1 |
| Junction temperature | TJ | -55 | | 175 | ℃ | | 1 |
| Thermal resistance junction to lead | RθJ-L | | 22 | | ℃/W | mounted on P.C.B. with 0.6" x 0.6" (16 mm x 16 mm) copper pad areas | 2 |
| Typical junction capacitance | CJ | | 100 | | pF | VR=4V, f=1MHz | 1 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
## CAD (KiCad official)
- Symbol: `SS520BQ`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files: `ss520bq-etched.step` / `ss520bq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ss520bq.step` / `ss520bq.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](docs/ss520bq-datasheet.pdf) (4 pp, sha256 `505e6afd62bae9c7`, retrieved 2026-10-22, 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/ss520bq-datasheet.pdf)