component
EMA520
Public Made by Adomby adom
GOODWORK Diodes - General Purpose, SMA. 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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Contents
README
markdownEMA520
GOODWORK · Diodes - General Purpose · SMA
EMA520 from GOODWORK, in a SMA. 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 | GOODWORK |
| Package | SMA |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum Repetitive Peak Reverse Voltage | VRRM | 2000 | V | 1 | |||
| Maximum RMS Voltage | VRMS | 1400 | V | 1 | |||
| Maximum DC Blocking Voltage | VDC | 2000 | V | 1 | |||
| Average Rectified Output Current | IO | 2 | A | @60Hz sine wave, Resistance load, TL (FIG.1) | 1 | ||
| Forward Surge Current (Non-repetitive) | IFSM | 40 | A | @60Hz Half-sine wave, 1 cycle, Tj=25℃ | 1 | ||
| Forward Surge Current (Non-repetitive) | IFSM | 70 | A | @1ms, square wave, 1 cycle, Tj=25℃ | 1 | ||
| Current squared time | I2t | 6.64 | A2s | @1ms≤t≤8.3ms Tj=25℃ | 1 | ||
| Storage Temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Junction Temperature | Tj | -55 | 150 | ℃ | 1 | ||
| Maximum Instantaneous Forward Voltage | VF | 1.25 | V | IFM=2.0A | 1 | ||
| Maximum DC Reverse Current | IR | 5 | μA | Tj=25℃, at rated DC blocking voltage | 1 | ||
| Maximum DC Reverse Current | IR | 100 | μA | Tj=125℃, at rated DC blocking voltage | 1 | ||
| Typical Junction Capacitance | Cj | 7 | pF | Measured at 1MHz and Applied Reverse Voltage of 4.0 V.D.C | 1 | ||
| Typical Thermal Resistance Junction to Ambient | RθJ-A | 70 | ℃/W | P.C.B. with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas | 2 | ||
| Typical Thermal Resistance Junction to Lead | RθJ-L | 25 | ℃/W | P.C.B. with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas | 2 | ||
| Typical Thermal Resistance Junction to Case | RθJ-C | 15 | ℃/W | P.C.B. with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas | 2 |
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 | copper | (1) Thermal resistance from junction to ambient and from junction to lead mounted on P.C.B. with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper | 2 |
CAD (KiCad official)
- Symbol:
EMA520 - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
ema520-etched.step/ema520-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ema520.step/ema520.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GOODWORK datasheet (4 pp, sha256
9f808883b76d7705, 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).