RB520S-40Q
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech Schottky Diodes, SOD-523(SC-79). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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README
markdownRB520S-40Q
Yangzhou Yangjie Elec Tech · Schottky Diodes · SOD-523(SC-79)
RB520S-40Q from Yangzhou Yangjie Elec Tech, in a SOD-523(SC-79). 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 | Yangzhou Yangjie Elec Tech |
| Package | SOD-523(SC-79) |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward Voltage | VF | 0.55 | V | IF=100mA | 2 | ||
| Reverse Leakage Current | IR | 1 | uA | VR=10V | 2 | ||
| Reverse Breakdown Voltage | VBR | 40 | V | IR=10uA | 2 | ||
| Junction Capacitance | CJ | 10 | pF | VR=1V, f =1MHZ | 2 | ||
| Reverse Recovery Time | trr | 6 | ns | IF=IR=10mA,Irr=1mA,RL=100Ω | 2 | ||
| Repetitive Peak Reverse Voltage | VRRM | 40 | V | 1 | |||
| DC Blocking Voltage | VR | 40 | V | 1 | |||
| Average Forward Current | IFAV | 200 | mA | 1 | |||
| Peak Forward Surge Current | IFSM | 2 | A | 8.3ms, half sine | 1 | ||
| Power Dissipation | Ptot | 150 | mW | 1 | |||
| Thermal Resistance Junction to Ambient | RthJA | 667 | K/W | 1 | |||
| Junction Temperature | TJ | -55 | 125 | ℃ | 1 | ||
| Storage Temperature Range | Tstg | -55 | 125 | ℃ | 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 |
|---|---|---|---|---|
| housing | black | 3. Body color: Black | 4 | |
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
RB520S-40Q - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523(SC-79) (KiCad packages3D, STEP)
- 3D model files:
rb520s-40q-etched.step/rb520s-40q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rb520s-40q.step/rb520s-40q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256
f7163a0f63361995, retrieved 2026-10-17, 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).