component
1SMB5917B
Public Made by Adomby adom
GOODWORK Zener Diodes, 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
1SMB5917B
GOODWORK · Zener Diodes · DO-214AA(SMB)
1SMB5917B from GOODWORK, 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 | GOODWORK |
| Package | DO-214AA(SMB) |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage | VZ | 4.46 | 4.7 | 4.94 | V | at IZT | 3 |
| Zener voltage tolerance | -5 | 5 | % | B suffix | 1 | ||
| Maximum Zener impedance | ZZT | 5 | Ω | at IZT | 3 | ||
| Maximum Zener impedance at knee | ZZK | 500 | Ω | at IZK = 1 mA | 3 | ||
| Reverse leakage current | IR | 5 | µA | at VR = 1.5 V | 3 | ||
| Maximum DC Zener current | IZM | 319 | mA | 3 | |||
| Maximum instantaneous forward voltage | VF | 1.2 | V | at 200 mA for all types, pulse test 300 µs, 1% duty cycle | 1 | ||
| Forward voltage (table header) | VF | 1.5 | V | IF = 200 mA (DC) for all types, TL = 30°C | 3 | ||
| Steady state power dissipation at TL = 75 °C | Ptot | 2000 | mW | TL = 75 °C, 5.0 mm x 5.0 mm copper pads on each terminal | 1 | ||
| Steady state power dissipation at TA = 25 °C | Ptot | 550 | mW | TA = 25 °C, minimum recommended pad layout | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -65 | 150 | °C | 1 | ||
| Thermal resistance, junction to lead | RθJL | 226 | °C/W | typical, 5.0 mm x 5.0 mm copper pads | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 25 | °C/W | typical, minimum recommended pad layout | 1 | ||
| Zener test current | IZT | 79.8 | mA | 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 | copper | (1) Mounted on PCB with 5.0 mm x 5.0 mm copper pads attached to each terminal | 1 |
CAD (KiCad official)
- Symbol:
1SMB5917B - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
1smb5917b-etched.step/1smb5917b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1smb5917b.step/1smb5917b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GOODWORK datasheet (5 pp, sha256
84920b4979ad7aac, retrieved 2026-10-22, 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).
# 1SMB5917B
**GOODWORK** · Zener Diodes · DO-214AA(SMB)
1SMB5917B from GOODWORK, 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 | GOODWORK |
| Package | DO-214AA(SMB) |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage | VZ | 4.46 | 4.7 | 4.94 | V | at IZT | 3 |
| Zener voltage tolerance | | -5 | | 5 | % | B suffix | 1 |
| Maximum Zener impedance | ZZT | | | 5 | Ω | at IZT | 3 |
| Maximum Zener impedance at knee | ZZK | | | 500 | Ω | at IZK = 1 mA | 3 |
| Reverse leakage current | IR | | | 5 | µA | at VR = 1.5 V | 3 |
| Maximum DC Zener current | IZM | | | 319 | mA | | 3 |
| Maximum instantaneous forward voltage | VF | | | 1.2 | V | at 200 mA for all types, pulse test 300 µs, 1% duty cycle | 1 |
| Forward voltage (table header) | VF | | | 1.5 | V | IF = 200 mA (DC) for all types, TL = 30°C | 3 |
| Steady state power dissipation at TL = 75 °C | Ptot | | | 2000 | mW | TL = 75 °C, 5.0 mm x 5.0 mm copper pads on each terminal | 1 |
| Steady state power dissipation at TA = 25 °C | Ptot | | | 550 | mW | TA = 25 °C, minimum recommended pad layout | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -65 | | 150 | °C | | 1 |
| Thermal resistance, junction to lead | RθJL | | 226 | | °C/W | typical, 5.0 mm x 5.0 mm copper pads | 1 |
| Thermal resistance, junction to ambient | RθJA | | 25 | | °C/W | typical, minimum recommended pad layout | 1 |
| Zener test current | IZT | | 79.8 | | mA | | 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 | copper | | (1) Mounted on PCB with 5.0 mm x 5.0 mm copper pads attached to each terminal | 1 |
## CAD (KiCad official)
- Symbol: `1SMB5917B`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files: `1smb5917b-etched.step` / `1smb5917b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1smb5917b.step` / `1smb5917b.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [GOODWORK datasheet](docs/1smb5917b-datasheet.pdf) (5 pp, sha256 `84920b4979ad7aac`, retrieved 2026-10-22, 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/1smb5917b-datasheet.pdf)