component
TPSMB30CA
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Littelfuse TVS, DO-214AA. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
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TPSMB30CA
Littelfuse · TVS · DO-214AA
TPSMB30CA from Littelfuse, in a 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 | Terminal 1 | passive | Bidirectional TVS terminal with no polarity, stand-off voltage VR 25.6 V, breakdown voltage 28.5 V to 31.5 V at 1 mA, and maximum clamping voltage 41.4 V at 14.7 A peak pulse current. |
| 2 | Terminal 2 | passive | Bidirectional TVS terminal with no polarity, stand-off voltage VR 25.6 V, breakdown voltage 28.5 V to 31.5 V at 1 mA, and maximum clamping voltage 41.4 V at 14.7 A peak pulse current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | 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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-off Voltage | VR | 25.6 | V | Bi-directional TPSMB30CA row; printed as Reverse Stand off Voltage (maximum voltage without operation) | 2 | ||
| Breakdown Voltage | VBR | 28.5 | 31.5 | V | IT = 1 mA | 2 | |
| Maximum Clamping Voltage | VC | 41.4 | V | @ Ipp = 14.7 A | 2 | ||
| Maximum Peak Pulse Current | Ipp | 14.7 | A | 2 | |||
| Maximum Reverse Leakage Current | IR | 1 | µA | @ VR (25.6 V) | 2 | ||
| Typical Reverse Leakage Current @150°C | IR | 8 | µA | @150°C | 2 | ||
| Maximum Temperature Coefficient of VBR | 0.093 | %/C | 2 | ||||
| VBR Voltage Tolerance | -5 | 5 | % | Part numbering system: 5% VBR voltage tolerance | 6 | ||
| Peak Pulse Power Dissipation | PPPM | 600 | W | 10/1000µs waveform (Fig.1)(Note 1),(Note 2) | 1 | ||
| Power Dissipation on infinite heat sink | PM(AV) | 5 | W | at TL = 50°C | 1 | ||
| Operating Junction Temperature Range | TJ | -65 | 175 | °C | VBR ≤ 91V | 1 | |
| Storage Temperature Range | TSTG | -65 | 175 | °C | 1 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 20 | °C/W | Typical | 1 | ||
| Typical Thermal Resistance Junction to Ambient | RθJA | 100 | °C/W | Typical | 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 | tin | seconds at terminals • Matte tin lead-free plated | 1 |
CAD (KiCad official)
- Symbol:
TPSMB30CA - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA (KiCad packages3D, STEP)
- 3D model files:
tpsmb30ca-etched.step/tpsmb30ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tpsmb30ca.step/tpsmb30ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
11f500633484b187, 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).
# TPSMB30CA
**Littelfuse** · TVS · DO-214AA
TPSMB30CA from Littelfuse, in a 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 | Terminal 1 | passive | Bidirectional TVS terminal with no polarity, stand-off voltage VR 25.6 V, breakdown voltage 28.5 V to 31.5 V at 1 mA, and maximum clamping voltage 41.4 V at 14.7 A peak pulse current. |
| 2 | Terminal 2 | passive | Bidirectional TVS terminal with no polarity, stand-off voltage VR 25.6 V, breakdown voltage 28.5 V to 31.5 V at 1 mA, and maximum clamping voltage 41.4 V at 14.7 A peak pulse current. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | 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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-off Voltage | VR | | | 25.6 | V | Bi-directional TPSMB30CA row; printed as Reverse Stand off Voltage (maximum voltage without operation) | 2 |
| Breakdown Voltage | VBR | 28.5 | | 31.5 | V | IT = 1 mA | 2 |
| Maximum Clamping Voltage | VC | | | 41.4 | V | @ Ipp = 14.7 A | 2 |
| Maximum Peak Pulse Current | Ipp | | | 14.7 | A | | 2 |
| Maximum Reverse Leakage Current | IR | | | 1 | µA | @ VR (25.6 V) | 2 |
| Typical Reverse Leakage Current @150°C | IR | | 8 | | µA | @150°C | 2 |
| Maximum Temperature Coefficient of VBR | | | | 0.093 | %/C | | 2 |
| VBR Voltage Tolerance | | -5 | | 5 | % | Part numbering system: 5% VBR voltage tolerance | 6 |
| Peak Pulse Power Dissipation | PPPM | | | 600 | W | 10/1000µs waveform (Fig.1)(Note 1),(Note 2) | 1 |
| Power Dissipation on infinite heat sink | PM(AV) | | | 5 | W | at TL = 50°C | 1 |
| Operating Junction Temperature Range | TJ | -65 | | 175 | °C | VBR ≤ 91V | 1 |
| Storage Temperature Range | TSTG | -65 | | 175 | °C | | 1 |
| Typical Thermal Resistance Junction to Lead | RθJL | | 20 | | °C/W | Typical | 1 |
| Typical Thermal Resistance Junction to Ambient | RθJA | | 100 | | °C/W | Typical | 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 | | tin | seconds at terminals • Matte tin lead-free plated | 1 |
## CAD (KiCad official)
- Symbol: `TPSMB30CA`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: DO-214AA (KiCad packages3D, STEP)
- 3D model files: `tpsmb30ca-etched.step` / `tpsmb30ca-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpsmb30ca.step` / `tpsmb30ca.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Littelfuse datasheet](docs/tpsmb30ca-datasheet.pdf) (6 pp, sha256 `11f500633484b187`, 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/tpsmb30ca-datasheet.pdf)