component
SMA6J28CA
Public Made by Adomby adom
Littelfuse TVS, 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.
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SMA6J28CA
Littelfuse · TVS · DO-214AC
SMA6J28CA from Littelfuse, in a 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 | Terminal 1 | passive | Bidirectional TVS terminal (SMA6J28CA, VR 28 V, VBR 31.1-34.4 V at 1 mA, VC 45.4 V at 13.8 A Ipp) with no polarity, interchangeable with terminal 2. |
| 2 | Terminal 2 | passive | Bidirectional TVS terminal with no cathode band on the bipolar part, interchangeable with terminal 1 and rated for 600 W peak pulse power at 10/1000 µs. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | 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 | VBR | 31.1 | 34.4 | V | @ IT = 1 mA | 2 | |
| Maximum Clamping Voltage | VC | 45.4 | V | @ Ipp = 13.8 A | 2 | ||
| Maximum Peak Pulse Current | Ipp | 13.8 | A | 2 | |||
| Maximum Reverse Leakage | IR | 1 | µA | @ VR = 28 V | 2 | ||
| Reverse Stand-off Voltage | VR | 28 | V | 2 | |||
| Test Current | IT | 1 | mA | 2 | |||
| Peak Pulse Power Dissipation | PPPM | 600 | W | 10/1000μs waveform, TA=25°C | 1 | ||
| Power Dissipation on Infinite Heat Sink | PD | 3.3 | W | TL=50°C | 1 | ||
| Peak Forward Surge Current | IFSM | 60 | A | 8.3ms single half sine wave, unidirectional only | 1 | ||
| Operating Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 175 | °C | 1 | ||
| Thermal Resistance Junction to Lead | RθJL | 30 | °C/W | Typical | 1 | ||
| Thermal Resistance Junction to Ambient | RθJA | 120 | °C/W | Typical | 1 | ||
| Breakdown Voltage Temperature Coefficient | αT | 0.1 | % | typical value | 1 | ||
| Breakdown Voltage Tolerance | VBR | -5 | 5 | % | A suffix: 5% VBR voltage tolerance | 6 |
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. Mounted on 5.0x5.0mm copper pad to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMA6J28CA - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC (KiCad packages3D, STEP)
- 3D model files:
sma6j28ca-etched.step/sma6j28ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sma6j28ca.step/sma6j28ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
1da5c82ea9f17ba3, retrieved 2026-10-22, 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).
# SMA6J28CA
**Littelfuse** · TVS · DO-214AC
SMA6J28CA from Littelfuse, in a 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 | Terminal 1 | passive | Bidirectional TVS terminal (SMA6J28CA, VR 28 V, VBR 31.1-34.4 V at 1 mA, VC 45.4 V at 13.8 A Ipp) with no polarity, interchangeable with terminal 2. |
| 2 | Terminal 2 | passive | Bidirectional TVS terminal with no cathode band on the bipolar part, interchangeable with terminal 1 and rated for 600 W peak pulse power at 10/1000 µs. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | 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 | VBR | 31.1 | | 34.4 | V | @ IT = 1 mA | 2 |
| Maximum Clamping Voltage | VC | | | 45.4 | V | @ Ipp = 13.8 A | 2 |
| Maximum Peak Pulse Current | Ipp | | | 13.8 | A | | 2 |
| Maximum Reverse Leakage | IR | | | 1 | µA | @ VR = 28 V | 2 |
| Reverse Stand-off Voltage | VR | | 28 | | V | | 2 |
| Test Current | IT | | 1 | | mA | | 2 |
| Peak Pulse Power Dissipation | PPPM | | | 600 | W | 10/1000μs waveform, TA=25°C | 1 |
| Power Dissipation on Infinite Heat Sink | PD | | | 3.3 | W | TL=50°C | 1 |
| Peak Forward Surge Current | IFSM | | | 60 | A | 8.3ms single half sine wave, unidirectional only | 1 |
| Operating Temperature Range | TJ | -65 | | 150 | °C | | 1 |
| Storage Temperature Range | TSTG | -65 | | 175 | °C | | 1 |
| Thermal Resistance Junction to Lead | RθJL | | 30 | | °C/W | Typical | 1 |
| Thermal Resistance Junction to Ambient | RθJA | | 120 | | °C/W | Typical | 1 |
| Breakdown Voltage Temperature Coefficient | αT | | 0.1 | | % | typical value | 1 |
| Breakdown Voltage Tolerance | VBR | -5 | | 5 | % | A suffix: 5% VBR voltage tolerance | 6 |
## 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. Mounted on 5.0x5.0mm copper pad to each terminal. | 1 |
## CAD (KiCad official)
- Symbol: `SMA6J28CA`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: DO-214AC (KiCad packages3D, STEP)
- 3D model files: `sma6j28ca-etched.step` / `sma6j28ca-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sma6j28ca.step` / `sma6j28ca.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Littelfuse datasheet](docs/sma6j28ca-datasheet.pdf) (6 pp, sha256 `1da5c82ea9f17ba3`, retrieved 2026-10-22, 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).
[Datasheet PDF](docs/sma6j28ca-datasheet.pdf)