component
1.5KE20A
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), DO-201. 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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdown1.5KE20A
Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE20A from Littelfuse, in a DO-201. 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 | Littelfuse |
| Package | DO-201 |
| 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 Breakdown Voltage (min, 5% type) | VBR | 19 | V | IT = 1 mA | 2 | ||
| Reverse Breakdown Voltage (max, 5% type) | VBR | 21 | V | IT = 1 mA | 2 | ||
| Maximum Clamping Voltage | VC | 27.7 | V | @ Ipp = 54.9 A | 2 | ||
| Maximum Peak Pulse Current | Ipp | 54.9 | A | 2 | |||
| Maximum Reverse Leakage Current | IR | 1 | µA | @ VR = 17.10 V | 2 | ||
| Reverse Stand-off Voltage | VR | 17.1 | V | Maximum voltage that can be applied without operation (definition, page 3) | 2 | ||
| Peak Pulse Power Dissipation (single die) | PPPM | 1500 | W | 10/1000µs test waveform (Fig.4), Note 1, single die parts | 1 | ||
| Steady State Power Dissipation | PD | 6.5 | W | Infinite heat sink at TL = 75ºC | 1 | ||
| Peak Forward Surge Current | IFSM | 200 | A | 8.3ms single half sine wave, unidirectional only (Note 2) | 1 | ||
| Maximum Instantaneous Forward Voltage (single die) | VF | 3.5 | V | at 100A, unidirectional only (Note 3, single die part) | 1 | ||
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 | 175 | °C | 1 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 15 | °C/W | 1 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 75 | °C/W | 1 | |||
| VBR Temperature Coefficient (αT) | αT | 0.1 | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)); typical value | 1 |
CAD (KiCad official)
- Symbol:
1.5KE20A - Footprint:
Diode_THT:D_DO-201AD_P15.24mm_Horizontal - 3D model: DO-201 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
4290e23a327d9203, retrieved 2026-10-15, 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).