component
TCMM5Z5V1
Public Made by Adomby adom
Tak Cheong Zener Diodes, 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.
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TCMM5Z5V1
Tak Cheong · Zener Diodes · SOD-523
TCMM5Z5V1 from Tak Cheong, 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 | Tak Cheong |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage (VZ) | VZ | 4.8 | 5.1 | 5.4 | Volts | IZT = 5 mA | 1 |
| Zener Impedance (ZZT) | ZZT | 60 | Ω | IZT = 5 mA | 1 | ||
| Zener Impedance at knee (ZZK) | ZZK | 500 | Ω | IZK = 1 mA | 1 | ||
| Reverse Leakage Current (IR) | IR | 2 | μA | VR = 2 Volts | 1 | ||
| Forward Voltage (VF) | VF | 1 | V | IF = 10 mA | 2 | ||
| Power Dissipation (PD) | PD | 200 | mW | TA = 25°C | 1 | ||
| Storage Temperature Range (TSTG) | TSTG | -55 | 150 | °C | TA = 25°C | 1 | |
| Operating Temperature Range (TOPR) | TOPR | -55 | 150 | °C | TA = 25°C | 1 |
CAD (KiCad official)
- Symbol:
TCMM5Z5V1 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
tcmm5z5v1-etched.step/tcmm5z5v1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tcmm5z5v1.step/tcmm5z5v1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Tak Cheong datasheet (5 pp, sha256
e8cd27777a272e97, retrieved 2026-10-15, 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).
# TCMM5Z5V1
**Tak Cheong** · Zener Diodes · SOD-523
TCMM5Z5V1 from Tak Cheong, 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 | Tak Cheong |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage (VZ) | VZ | 4.8 | 5.1 | 5.4 | Volts | IZT = 5 mA | 1 |
| Zener Impedance (ZZT) | ZZT | | | 60 | Ω | IZT = 5 mA | 1 |
| Zener Impedance at knee (ZZK) | ZZK | | | 500 | Ω | IZK = 1 mA | 1 |
| Reverse Leakage Current (IR) | IR | | | 2 | μA | VR = 2 Volts | 1 |
| Forward Voltage (VF) | VF | | | 1 | V | IF = 10 mA | 2 |
| Power Dissipation (PD) | PD | | | 200 | mW | TA = 25°C | 1 |
| Storage Temperature Range (TSTG) | TSTG | -55 | | 150 | °C | TA = 25°C | 1 |
| Operating Temperature Range (TOPR) | TOPR | -55 | | 150 | °C | TA = 25°C | 1 |
## CAD (KiCad official)
- Symbol: `TCMM5Z5V1`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `tcmm5z5v1-etched.step` / `tcmm5z5v1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tcmm5z5v1.step` / `tcmm5z5v1.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Tak Cheong datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603106689998868480) (5 pp, sha256 `e8cd27777a272e97`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/tcmm5z5v1-datasheet.pdf)