component
1.5SMBJ58A
Public Made by Adomby adom
BORN ESD And Surge Protection (TVS/ESD), DO-214AA(SMB). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
1.5SMBJ58A
BORN · ESD And Surge Protection (TVS/ESD) · DO-214AA(SMB)
1.5SMBJ58A from BORN, in a DO-214AA(SMB). 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 | BORN |
| Package | DO-214AA(SMB) |
| 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 (Uni 1.5SMBJ58A) | VBR | 64.4 | 71.2 | V | at IT = 1 mA (test current, mA column) | 3 | |
| Maximum Clamping Voltage (Uni 1.5SMBJ58A) | VC | 93.6 | V | at Ipp = 16.1 A | 3 | ||
| Maximum Peak Pulse Current (Uni 1.5SMBJ58A) | IPP | 16.1 | A | Ipp column for 1.5SMBJ58A; test conditions not stated in row | 3 | ||
| Maximum Reverse Leakage (Uni 1.5SMBJ58A) | IR | 1 | uA | at VR = 58 V | 3 | ||
| Peak Pulse Power Dissipation | PPPM | 1500 | W | 10/1000us non-repetitive pulse, TA=+25◦C (Notes 1,2) | 2 | ||
| Steady State Power Dissipation | PD | 5 | W | Infinite heatsink at TA=50◦C (Note 3) | 2 | ||
| Peak Forward Surge Current | IFSM | 150 | A | 8.3ms single half sine or equivalent square wave (Note 4) | 2 | ||
| Maximum Instantaneous Forward Voltage | VFM | 5 | V | at 50A, unidirectional only (Note 5) | 2 | ||
| Operating Temperature Range | TJ | -55 | 150 | ◦C | junction temperature | 2 | |
| Storage Temperature Range | TSTG | -55 | 150 | ◦C | storage | 2 | |
| Reverse Stand-Off Voltage (Uni 1.5SMBJ58A) | VR | 58 | V | rated peak off-state voltage, Uni 58A | 3 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 20 | ◦C/W | junction to lead, typical | 2 | ||
| Typical Thermal Resistance Junction to Ambient | RθJA | 100 | ◦C/W | junction to ambient, typical | 2 |
CAD (KiCad official)
- Symbol:
1.5SMBJ58A - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
1-5smbj58a-etched.step/1-5smbj58a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1-5smbj58a.step/1-5smbj58a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BORN datasheet (7 pp, sha256
62ec162cfcc3666d, retrieved 2026-10-13, 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).
# 1.5SMBJ58A
**BORN** · ESD And Surge Protection (TVS/ESD) · DO-214AA(SMB)
1.5SMBJ58A from BORN, in a DO-214AA(SMB). 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 | BORN |
| Package | DO-214AA(SMB) |
| 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 (Uni 1.5SMBJ58A) | VBR | 64.4 | | 71.2 | V | at IT = 1 mA (test current, mA column) | 3 |
| Maximum Clamping Voltage (Uni 1.5SMBJ58A) | VC | | | 93.6 | V | at Ipp = 16.1 A | 3 |
| Maximum Peak Pulse Current (Uni 1.5SMBJ58A) | IPP | | | 16.1 | A | Ipp column for 1.5SMBJ58A; test conditions not stated in row | 3 |
| Maximum Reverse Leakage (Uni 1.5SMBJ58A) | IR | | | 1 | uA | at VR = 58 V | 3 |
| Peak Pulse Power Dissipation | PPPM | | | 1500 | W | 10/1000us non-repetitive pulse, TA=+25◦C (Notes 1,2) | 2 |
| Steady State Power Dissipation | PD | | | 5 | W | Infinite heatsink at TA=50◦C (Note 3) | 2 |
| Peak Forward Surge Current | IFSM | | | 150 | A | 8.3ms single half sine or equivalent square wave (Note 4) | 2 |
| Maximum Instantaneous Forward Voltage | VFM | | | 5 | V | at 50A, unidirectional only (Note 5) | 2 |
| Operating Temperature Range | TJ | -55 | | 150 | ◦C | junction temperature | 2 |
| Storage Temperature Range | TSTG | -55 | | 150 | ◦C | storage | 2 |
| Reverse Stand-Off Voltage (Uni 1.5SMBJ58A) | VR | | 58 | | V | rated peak off-state voltage, Uni 58A | 3 |
| Typical Thermal Resistance Junction to Lead | RθJL | | 20 | | ◦C/W | junction to lead, typical | 2 |
| Typical Thermal Resistance Junction to Ambient | RθJA | | 100 | | ◦C/W | junction to ambient, typical | 2 |
## CAD (KiCad official)
- Symbol: `1.5SMBJ58A`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files: `1-5smbj58a-etched.step` / `1-5smbj58a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1-5smbj58a.step` / `1-5smbj58a.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BORN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757247961737121792) (7 pp, sha256 `62ec162cfcc3666d`, retrieved 2026-10-13, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/1-5smbj58a-datasheet.pdf)