component
SMAJ5.0CA-TR
Public Made by Adomby adom
STMicroelectronics TVS, 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.
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
markdownSMAJ5.0CA-TR
STMicroelectronics · TVS · SMA(DO-214AC)
SMAJ5.0CA-TR from STMicroelectronics, 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 | STMicroelectronics |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse leakage current at VRM, 25 °C | IRM | 20 | µA | @VRM, Tamb = 25 °C (Table 3, SMAJ5.0A/CA row) | 3 | ||
| Reverse leakage current at VRM, 85 °C | IRM | 50 | µA | @VRM, 85 °C (Table 3, SMAJ5.0A/CA row) | 3 | ||
| Breakdown voltage (minimum) | VBR | 6.4 | V | @IR = 10 mA; pulse test tp < 50 ms (Table 3 note 1) | 3 | ||
| Breakdown voltage (maximum) | VBR | 6.74 | V | @IR = 10 mA; pulse test tp < 50 ms (Table 3 note 1) | 3 | ||
| Clamping voltage at 10/1000 µs surge | VCL | 9.2 | V | @IPP = 43.5 A, 10/1000 µs | 3 | ||
| Dynamic resistance at 10/1000 µs surge | RD | 0.049 | Ω | 10/1000 µs | 3 | ||
| Clamping voltage at 8/20 µs surge | VCL | 13.4 | V | @IPP = 174 A, 8/20 µs | 3 | ||
| Dynamic resistance at 8/20 µs surge | RD | 0.036 | Ω | 8/20 µs | 3 | ||
| Voltage temperature coefficient | αT | 5.7 | 10^-4/°C | VBR/VCL temperature coefficient (Table 3 note 3) | 3 | ||
| Stand-off voltage | VRM | 5 | V | Table 3 column VRM for SMAJ5.0A/CA | 3 | ||
| Peak pulse power dissipation | PPP | 400 | W | 10/1000 µs, Tj initial = Tamb | 2 | ||
| Storage temperature range | Tstg | -65 | 150 | °C | 2 | ||
| Operating junction temperature range | Tj | -55 | 150 | °C | 2 | ||
| Maximum lead temperature for soldering | TL | 260 | °C | during 10 s | 2 | ||
| Thermal resistance junction to leads | Rth(j-l) | 30 | °C/W | Junction to leads | 2 | ||
| Thermal resistance junction to ambient | Rth(j-a) | 120 | °C/W | Junction to ambient on printed circuit on recommended pad layout | 2 |
CAD (KiCad official)
- Symbol:
SMAJ5.0CA-TR - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj5-0ca-tr-etched.step/smaj5-0ca-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj5-0ca-tr.step/smaj5-0ca-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (10 pp, sha256
4bb181453198810d, retrieved 2026-10-21, tier: manufacturer) - 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).