component
SMAJ7.5CA-13-F
Public Made by Adomby adom
Diodes Incorporated ESD And Surge Protection (TVS/ESD), SMA. Pinout reviewed by a person against the datasheet, 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
markdownSMAJ7.5CA-13-F
Diodes Incorporated · ESD And Surge Protection (TVS/ESD) · SMA
SMAJ7.5CA-13-F from Diodes Incorporated, in a SMA. 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 | Terminal 1 | passive | Bidirectional TVS terminal with no polarity indicator, interchangeable with the other terminal, VRWM 7.5V and max clamping voltage 12.9V at 31.0A peak pulse current. |
| 2 | Terminal 2 | passive | Bidirectional TVS terminal with no polarity indicator, interchangeable with the other terminal, VRWM 7.5V and max clamping voltage 12.9V at 31.0A peak pulse current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SMA |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power Dissipation (non-repetitive current pulse, derated above TA = +25°C, Note 5) | PPK | 400 | W | Non-repetitive current pulse, derated above TA = +25°C | 2 | ||
| Peak Forward Surge Current, 8.3ms single half sine wave | IFSM | 40 | A | 8.3ms single half sine wave superimposed on rated load (Notes 5, 6, 7) | 2 | ||
| Steady State Power Dissipation | PM(AV) | 1 | W | @ TL = +75°C | 2 | ||
| Instantaneous Forward Voltage | VF | 3.5 | V | @ IPP = 35A (Notes 5, 6, 7) | 2 | ||
| Operating Temperature Range | TJ | -55 | 150 | °C | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | 2 | ||
| Reverse Standoff Voltage | VRWM | 7.5 | V | SMAJ7.5(C)A row, bidirectional (C) variant | 3 | ||
| Breakdown Voltage Min | VBR | 8.33 | V | @ IT = 1.0 mA (Note 9: IT pulse 10ms to 15ms) | 3 | ||
| Breakdown Voltage Max | VBR | 9.21 | V | @ IT = 1.0 mA (Note 9: IT pulse 10ms to 15ms) | 3 | ||
| Test Current | IT | 1 | mA | Test current for VBR | 3 | ||
| Max Reverse Leakage Current | IR | 100 | µA | @ VRWM (Note 10) | 3 | ||
| Max Clamping Voltage | VC | 12.9 | V | @ IPP = 31.0 A | 3 | ||
| Max Peak Pulse Current | IPP | 31 | A | 3 |
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 | tin | Terminals: Lead-Free Plating (Matte Tin Finish). Solderable per MIL-STD-202, Method 208 | 1 |
CAD (KiCad official)
- Symbol:
SMAJ7.5CA-13-F - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
smaj7-5ca-13-f-etched.step/smaj7-5ca-13-f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj7-5ca-13-f.step/smaj7-5ca-13-f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (6 pp, sha256
70c17cee9c231f90, retrieved 2026-10-20, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).