component
SS34BQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech Schottky Barrier Diodes (SBD), SMB(DO-214AA). 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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Contents
README
markdownSS34BQ
Yangzhou Yangjie Elec Tech · Schottky Barrier Diodes (SBD) · SMB(DO-214AA)
SS34BQ from Yangzhou Yangjie Elec Tech, in a SMB(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 | K | passive | Cathode, the end marked by the cathode line on the DO-214AA (SMB) package; SS34BQ has 40 V repetitive peak reverse voltage and 3.0 A average forward current. |
| 2 | A | passive | Anode terminal of the Schottky rectifier, the end opposite the cathode line, with VF max 0.5 V at IF=3 A, TJ=25℃. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SMB(DO-214AA) |
| 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 |
|---|---|---|---|---|---|---|---|
| Repetitive peak reverse voltage | VRRM | 40 | V | Ta=25℃ | 1 | ||
| Maximum RMS voltage | VRMS | 28 | V | Ta=25℃ | 1 | ||
| Maximum DC blocking voltage | VDC | 40 | V | Ta=25℃ | 1 | ||
| Maximum average forward rectified current | IO | 3 | A | at TL (Fig.1) | 1 | ||
| Surge (non-repetitive) forward current | IFSM | 80 | A | @60Hz half-sine wave, 1 cycle, TJ=25℃ | 1 | ||
| Voltage rate of change | dV/dt | 10000 | V/μs | rated VR | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Junction temperature | TJ | -55 | 150 | ℃ | 1 | ||
| Instantaneous forward voltage | VF | 0.48 | 0.5 | V | IF=3A, TJ=25℃ | 1 | |
| Instantaneous forward voltage | VF | 0.41 | 0.45 | V | IF=3A, TJ=125℃ | 1 | |
| Reverse current | IR | 15 | 100 | μA | Rated VR, TJ=25℃ | 1 | |
| Reverse current | IR | 30 | mA | Rated VR, TJ=125℃ | 1 | ||
| Typical junction capacitance | CJ | 150 | pF | VR=4V, f=1MHz | 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 | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
SS34BQ - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
ss34bq-etched.step/ss34bq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ss34bq.step/ss34bq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (4 pp, sha256
0158639f500e09f8, 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).