component
1.5SMBJ30A
Public Made by Adomby adom
BOURNS ESD And Surge Protection (TVS/ESD), 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.
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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Contents
README
markdown1.5SMBJ30A
BOURNS · ESD And Surge Protection (TVS/ESD) · SMB(DO-214AA)
1.5SMBJ30A from BOURNS, 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 | BOURNS |
| Package | SMB(DO-214AA) |
| 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 (unidirectional 1.5SMBJ30A) | VBR | 33.3 | 36.8 | V | @ IT = 1 mA | 2 | |
| Maximum reverse leakage | IR | 1 | µA | @ VRWM = 30.0 V | 2 | ||
| Maximum clamping voltage (10/1000 µs) | VC | 48.4 | V | 10/1000 µs waveform, @ IPP = 31.0 A | 2 | ||
| Maximum peak pulse current (10/1000 µs) | IPP | 31 | A | 10/1000 µs waveform | 2 | ||
| Maximum clamping voltage (8/20 µs) | VC | 62.9 | V | 8/20 µs waveform, @ IPP = 155.0 A | 2 | ||
| Maximum peak pulse current (8/20 µs) | IPP | 155 | A | 8/20 µs waveform | 2 | ||
| Minimum peak pulse power dissipation | PPK | 1500 | Watts | TP = 1 ms (Note 1,2) | 1 | ||
| Peak forward surge current | IFSM | 100 | Amps | 8.3 ms single half sine wave superimposed on rated load (JEDEC method), unidirectional only (Note 3) | 1 | ||
| Operating temperature range | TJ | -55 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Working peak reverse voltage (standoff) | VRWM | 30 | V | Unidirectional 1.5SMBJ30A | 2 | ||
| Device voltage tolerance (suffix A) | -5 | 5 | % | Suffix A = 5 % tolerance unidirectional device | 2 | ||
| Typical temperature coefficient of breakdown voltage | DVBR | 0.1 | % x VBR @ 25 °C x ΔT | Typical, series feature statement | 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 | copper | 2. 8 mm x 8 mm copper pad on each terminal. | 1 |
CAD (KiCad official)
- Symbol:
1.5SMBJ30A - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
1-5smbj30a-etched.step/1-5smbj30a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1-5smbj30a.step/1-5smbj30a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (6 pp, sha256
9ea13bf98c605aa7, 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).