component
SMAJ48A-Q
Public Made by Adomby adom
BOURNS ESD And Surge Protection (TVS/ESD), SMA(DO-214AC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 16d ago |
| viewers | 16d ago |
| package.json | 16d ago |
| page.json | 16d ago |
| README.md | 16d ago |
| smaj48a-q-etched.glb | 16d ago |
| smaj48a-q-etched.step | 16d ago |
| smaj48a-q-hero.glb | 16d ago |
| smaj48a-q-hero.overlay.json | 16d ago |
| smaj48a-q.glb | 16d ago |
| smaj48a-q.kicad_mod | 16d ago |
| smaj48a-q.kicad_sym | 16d ago |
| smaj48a-q.lbr | 16d ago |
| smaj48a-q.step | 16d ago |
SMAJ48A-Q
BOURNS · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ48A-Q from BOURNS, in a SMA(DO-214AC). 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 | SMA(DO-214AC) |
| 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), minimum | VBR | 53.3 | V | @ IT 1.0 mA | 1 | ||
| Breakdown voltage (unidirectional), maximum | VBR | 58.9 | V | @ IT 1.0 mA | 1 | ||
| Maximum reverse leakage | IR | 1 | µA | @ VRWM | 1 | ||
| Maximum clamping voltage (10/1000 µs) | Vc | 77.4 | V | @ Ipp 5.2 A, 10/1000 µs | 1 | ||
| Maximum peak pulse current (10/1000 µs) | Ipp | 5.2 | A | 10/1000 µs | 1 | ||
| Maximum clamping voltage (8/20 µs) | Vc | 100.6 | V | @ Ipp 26.0 A, 8/20 µs | 1 | ||
| Maximum peak pulse current (8/20 µs) | Ipp | 26 | A | 8/20 µs | 1 | ||
| Working peak reverse voltage | VRWM | 48 | V | 1 | |||
| Tolerance, unidirectional device (suffix A) | -5 | 5 | % | Suffix 'A' denotes a 5 % tolerance unidirectional device | 1 | ||
| Minimum peak pulse power dissipation | PPK | 400 | Watts | TP = 1 ms (Note 1,2) | 1 | ||
| Peak forward surge current | IFSM | 40 | Amps | 8.3 ms single half sine wave superimposed on rated load (JEDEC method) (Note 3) | 1 | ||
| Operating temperature range | TJ | -55 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
SMAJ48A-Q - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj48a-q-etched.step/smaj48a-q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj48a-q.step/smaj48a-q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (6 pp, sha256
b88c3fa72464bcd9, 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).