component
SMLJ33CA
Public Made by Adomby adom
BOURNS TVS, SMC(DO-214AB). 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
markdownSMLJ33CA
BOURNS · TVS · SMC(DO-214AB)
SMLJ33CA from BOURNS, in a SMC(DO-214AB). 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 | BOURNS |
| Package | SMC(DO-214AB) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (bidirectional SMLJ33CA) | VBR | 36.7 | 40.6 | V | @ IT = 1 mA | 2 | |
| Maximum Reverse Leakage @ VRWM (SMLJ33CA, VRWM = 33 V) | IR | 2 | μA | @ VRWM = 33 V | 2 | ||
| Maximum Clamping Voltage @ Ipp (10/1000 µs) | Vc | 53.3 | V | @ Ipp = 56.20 A, 10/1000 µs | 2 | ||
| Maximum Peak Pulse Current (10/1000 µs) | Ipp | 56.2 | A | 10/1000 µs | 2 | ||
| Maximum Clamping Voltage @ Ipp (8/20 µs) | Vc | 69.3 | V | @ Ipp = 281.50 A, 8/20 µs | 2 | ||
| Maximum Peak Pulse Current (8/20 µs) | Ipp | 281.5 | A | 8/20 µs | 2 | ||
| Minimum Peak Pulse Power Dissipation | PPK | 3000 | Watts | TP = 1 ms (Notes 1, 2) | 1 | ||
| Peak Forward Surge Current | IFSM | 300 | Amps | 8.3 ms single half sine wave superimposed on rated load, JEDEC method (Note 3) | 1 | ||
| Steady State Power Dissipation | PM(AV) | 5 | Watts | @ TL = 75 °C | 1 | ||
| Working Peak Reverse Voltage (SMLJ33CA) | VRWM | 33 | V | Bidirectional SMLJ33CA working peak reverse voltage | 2 | ||
| Operating Temperature Range | TJ | -55 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
SMLJ33CA - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
smlj33ca-etched.step/smlj33ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smlj33ca.step/smlj33ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (6 pp, sha256
42dea63b7010613e, retrieved 2026-10-29, 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).