BZT52C20 RHG
Public Made by Adomby adom
Taiwan Semiconductor(Taiwan Semicon) Zener Diodes, SOD-123F. 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
markdownBZT52C20 RHG
Taiwan Semiconductor(Taiwan Semicon) · Zener Diodes · SOD-123F
BZT52C20 RHG from Taiwan Semiconductor(Taiwan Semicon), in a SOD-123F. 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 | Taiwan Semiconductor(Taiwan Semicon) |
| Package | SOD-123F |
| 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 | 19 | 20 | 21 | V | IZT=5mA, TA=25°C | 2 |
| Zener voltage tolerance | VZ | -5 | 5 | % | standard tolerance on nominal zener voltage | 3 | |
| Test current | IZT | 5 | mA | 2 | |||
| Regular impedance | ZZT | 55 | Ω | @ IZT=5mA | 2 | ||
| Regular impedance | ZZK | 212 | Ω | @ IZK=1mA | 2 | ||
| Leakage current | IR | 0.045 | µA | @ VR=14.0V | 2 | ||
| Forward voltage | VF | 1 | V | IF=10mA | 1 | ||
| Power dissipation | PD | 500 | mW | TA=25°C | 1 | ||
| Junction temperature range | TJ | -65 | 150 | °C | TA=25°C | 1 | |
| Storage temperature range | TSTG | -65 | 150 | °C | TA=25°C | 1 | |
| Junction-to-ambient thermal resistance | RӨJA | 350 | °C/W | 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 | ● Terminal: Matte tin plated leads, solderable per J-STD-002 ● Polarity: Indicated by cathode band | 1 |
CAD (KiCad official)
- Symbol:
BZT52C20 RHG - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123F (KiCad packages3D, STEP)
- 3D model files:
bzt52c20-rhg-etched.step/bzt52c20-rhg-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52c20-rhg.step/bzt52c20-rhg.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Taiwan Semiconductor(Taiwan Semicon) datasheet (7 pp, sha256
836a3e82183226e3, retrieved 2026-10-24, 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).