component
20KP40A TB
Public Made by Adomby adom
YFW ESD And Surge Protection (TVS/ESD), R-6. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdown20KP40A TB
YFW · ESD And Surge Protection (TVS/ESD) · R-6
20KP40A TB from YFW, in a R-6. 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | R-6 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off voltage | VRWM | 40 | V | 2 | |||
| Breakdown voltage (min) | VBR | 44.7 | V | IT = 5 mA | 2 | ||
| Breakdown voltage (max) | VBR | 48.8 | V | IT = 5 mA | 2 | ||
| Maximum clamping voltage | VC | 67.8 | V | @IPP = 297.9 A | 2 | ||
| Maximum reverse leakage current | IR | 15 | µA | @VRWM = 40 V | 2 | ||
| Peak pulse power dissipation | PPPM | 20000 | W | 10/1000 µs waveform (NOTE 1) | 1 | ||
| Steady state power dissipation | PM(AV) | 8 | W | TL = 75 °C, lead lengths .375" (9.5mm) (NOTE 2) | 1 | ||
| Peak forward surge current | IFSM | 400 | A | 8.3 ms sine-wave superimposed on rated load, JEDEC method (NOTE 3) | 1 | ||
| Operating and storage temperature range | TJ, TSTG | -55 | 175 | °C | 1 |
CAD (KiCad official)
- Symbol:
20KP40A TB - Footprint:
Diode_THT:D_P600_R-6_P20.00mm_Horizontal - 3D model: R-6 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YFW datasheet (5 pp, sha256
49b401349d891bb6, retrieved 2026-10-29, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).