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YFW5V45 TB
Public Made by Adomby adom
YFW Schottky Diodes, DO-27. 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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YFW5V45 TB
YFW · Schottky Diodes · DO-27
YFW5V45 TB from YFW, in a DO-27. 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 | YFW |
| Package | DO-27 |
| 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 Repetitive Peak Reverse Voltage | VRRM | 45 | V | Per leg | 1 | ||
| Maximum RMS voltage | VRMS | 45 | V | Per leg | 1 | ||
| Maximum DC Blocking Voltage | VDC | 45 | V | Per leg | 1 | ||
| Maximum Average Forward Rectified Current | IF(AV) | 5 | A | Per diode | 1 | ||
| Peak Forward Surge Current | IFSM | 120 | A | 8.3ms single half sine-wave superimposed on rated load per diode | 1 | ||
| Operating Temperature Range | TJ | -40 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -40 | 150 | °C | 1 | ||
| Typical Thermal Resistance Per diode (junction to case, DO-27) | RθJC | 20 | °C/W | Per diode, mounted on FR-4 PCB, DO-27 | 1 | ||
| Instantaneous reverse current per diode | IR | 80 | 100 | uA | At rated reverse voltage, TA=25°C | 1 | |
| Instantaneous reverse current per diode | IR | 10 | mA | At rated reverse voltage, TA=125°C | 1 |
CAD (KiCad official)
- Symbol:
YFW5V45 TB - Footprint:
Diode_THT:D_DO-27_P15.24mm_Horizontal - 3D model: DO-27 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YFW datasheet (3 pp, sha256
9ee8504ab2687b23, retrieved 2026-10-16, 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).
# YFW5V45 TB
**YFW** · Schottky Diodes · DO-27
YFW5V45 TB from YFW, in a DO-27. 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 | YFW |
| Package | DO-27 |
| 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 Repetitive Peak Reverse Voltage | VRRM | | | 45 | V | Per leg | 1 |
| Maximum RMS voltage | VRMS | | | 45 | V | Per leg | 1 |
| Maximum DC Blocking Voltage | VDC | | | 45 | V | Per leg | 1 |
| Maximum Average Forward Rectified Current | IF(AV) | | | 5 | A | Per diode | 1 |
| Peak Forward Surge Current | IFSM | | | 120 | A | 8.3ms single half sine-wave superimposed on rated load per diode | 1 |
| Operating Temperature Range | TJ | -40 | | 150 | °C | | 1 |
| Storage Temperature Range | TSTG | -40 | | 150 | °C | | 1 |
| Typical Thermal Resistance Per diode (junction to case, DO-27) | RθJC | | 20 | | °C/W | Per diode, mounted on FR-4 PCB, DO-27 | 1 |
| Instantaneous reverse current per diode | IR | | 80 | 100 | uA | At rated reverse voltage, TA=25°C | 1 |
| Instantaneous reverse current per diode | IR | | | 10 | mA | At rated reverse voltage, TA=125°C | 1 |
## CAD (KiCad official)
- Symbol: `YFW5V45 TB`
- Footprint: `Diode_THT:D_DO-27_P15.24mm_Horizontal`
- 3D model: DO-27 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [YFW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603095821940641792) (3 pp, sha256 `9ee8504ab2687b23`, retrieved 2026-10-16, 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/yfw5v45-tb-datasheet.pdf)