component
1SMB5919BG
Public Made by Adomby adom
Shikues Zener Diodes, SMB. Pinout cross-checked by two models 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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README
markdown1SMB5919BG
Shikues · Zener Diodes · SMB
1SMB5919BG from Shikues, in a 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 of the zener diode (pin 1 per the PINNING table); for 1SMB5919BG, nominal zener voltage 5.6 V (5.32 to 5.88 V) at IZT 66.9 mA. |
| 2 | A | passive | Anode of the zener diode (pin 2 per the PINNING table); max total power dissipation 3.0 W, junction and storage temperature -55 to +150 °C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shikues |
| Package | 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 (min/max) | VZ | 5.32 | 5.6 | 5.88 | V | @ IZT = 66.9 mA | 3 |
| Zener Test Current | IZT | 66.9 | mA | 3 | |||
| Maximum Zener Impedance | ZZT | 2 | Ω | @ IZT | 3 | ||
| Maximum Zener Impedance at knee | ZZK | 250 | Ω | @ IZK = 1 mA | 3 | ||
| Reverse Leakage Current | IR | 5 | µA | @ VR = 3 V | 3 | ||
| Maximum DC Zener Current | IZM | 267 | mA | 3 | |||
| Forward Voltage | VF | 1.5 | V | IF = 200 mA(DC) | 2 | ||
| Zener voltage tolerance | -5 | 5 | % | type numbers indicate a tolerance of 5% | 2 | ||
| DC power dissipation | PD | 3 | W | TL=75°C, zero lead length, Cu-pad 5mm x 5mm | 1 | ||
| Steady state power dissipation | PD | 550 | mW | @ TA=25°C | 1 | ||
| Junction temperature range | TJ | -55 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Junction to ambient thermal resistance | RthJA | 226 | °C/W | 1 | |||
| Junction to lead thermal resistance | RthJL | 25 | °C/W | 1 |
CAD (KiCad official)
- Symbol:
1SMB5919BG - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
1smb5919bg-etched.step/1smb5919bg-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1smb5919bg.step/1smb5919bg.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shikues datasheet (4 pp, sha256
ce01d710c11674f4, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(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).