component
HRB521SM-30T2R
Public Made by Adomby adom
HXY MOSFET Schottky Barrier Diodes (SBD), SOD-523. 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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PCB Footprint
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Datasheet
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README
markdownHRB521SM-30T2R
HXY MOSFET · Schottky Barrier Diodes (SBD) · SOD-523
HRB521SM-30T2R from HXY MOSFET, in a SOD-523. 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 | HXY MOSFET |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse voltage (breakdown) | V(BR) | 40 | V | IR=100μA | 1 | ||
| Reverse current | IR | 5 | μA | VR=30V | 1 | ||
| Reverse current | IR | 2 | μA | VR=20V | 1 | ||
| Reverse current | IR | 1 | μA | VR=10V | 1 | ||
| Forward voltage | VF | 0.27 | V | IF=1mA | 1 | ||
| Forward voltage | VF | 0.32 | V | IF=5mA | 1 | ||
| Forward voltage | VF | 0.37 | V | IF=20mA | 1 | ||
| Forward voltage | VF | 0.6 | V | IF=200mA | 1 | ||
| Total capacitance | Ctot | 50 | pF | VR=0V,f=1MHz | 1 | ||
| Reverse recovery time | trr | 10 | ns | IF= IR=200mA, Irr=0.1×IR, RL=100Ω | 1 | ||
| Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage | VRRM/VRWM/VR | 40 | V | Ta=25 | 1 | ||
| RMS Reverse Voltage | VR(RMS) | 28 | V | Ta=25 | 1 | ||
| Forward Continuous Current | IFM | 350 | mA | Ta=25 | 1 | ||
| Non-Repetitive Peak Forward Surge Current | IFSM | 2 | A | t=8.3ms | 1 | ||
| Power Dissipation | PD | 150 | mW | Ta=25 | 1 | ||
| Junction Temperature | Tj | 125 | ℃ | Ta=25 | 1 | ||
| Storage Temperature | Tstg | -55 | 150 | ℃ | Ta=25 | 1 | |
| Thermal Resistance From Junction To Ambient | RΘJA | 667 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
HRB521SM-30T2R - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
hrb521sm-30t2r-etched.step/hrb521sm-30t2r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hrb521sm-30t2r.step/hrb521sm-30t2r.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HXY MOSFET datasheet (4 pp, sha256
c757de2c90d5b27c, retrieved 2026-10-23, 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).