component
1SMB5926B
Public Made by Adomby adom
YFW Zener Diodes, DO-214AA(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
markdown1SMB5926B
YFW · Zener Diodes · DO-214AA(SMB)
1SMB5926B from YFW, 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 | Cathode | passive | Cathode of the zener diode; for 1SMB5926B the nominal zener voltage is 11 V (10.45 V to 11.55 V) at IZT = 34.1 mA, with 3 W maximum power dissipation. |
| 2 | Anode | passive | Anode of the zener diode; forward voltage is 1.5 V maximum at IF = 200 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| 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 | 10.45 | 11 | 11.55 | V | @ IZT, Ta=25°C | 3 |
| Zener Test Current | IZT | 34.1 | mA | 3 | |||
| Maximum Zener Impedance | ZZT | 5.5 | Ω | @ IZT | 3 | ||
| Maximum Zener Impedance | ZZK | 550 | Ω | @ IZK = 0.25 mA | 3 | ||
| Reverse Leakage Current | IR | 1 | μA | @ VR = 8.4 V | 3 | ||
| Maximum DC Zener Current | IZM | 136 | mA | 3 | |||
| Forward Voltage | VF | 1.5 | V | @ IF = 200 mA(DC), all types | 2 | ||
| DC power dissipation | PD | 3 | W | TL=75°C, zero lead length, Cu-Pad 5mm x 5mm | 1 | ||
| Derating above 75°C | PD | 40 | mW/°C | derate above 75°C | 1 | ||
| Maximum Steady State Power Dissipation | PD | 550 | mW | TA=25°C | 1 | ||
| Derating above 25°C | PD | 4.4 | mW/°C | derate above 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:
1SMB5926B - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
1smb5926b-etched.step/1smb5926b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1smb5926b.step/1smb5926b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YFW datasheet (4 pp, sha256
79c71a65b5def1bb, 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).