component
TCZM4747ATR
Public Made by Adomby adom
Tak Cheong Zener Diodes, LL-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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TCZM4747ATR
Tak Cheong · Zener Diodes · LL-41
TCZM4747ATR from Tak Cheong, in a LL-41. 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, marked by the color band (negative polarity); the TCZM4747A zener voltage is 20 V nominal at IZT = 12.5 mA. |
| 2 | A | passive | Anode terminal; the device dissipates 1.0 W total with a maximum junction temperature of +175 °C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Tak Cheong |
| Package | LL-41 |
| Category | Diodes |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
TCZM4747ATR - Footprint:
Diode_SMD:D_MELF - 3D model: LL-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Tak Cheong datasheet (3 pp, sha256
7bb75ebdfa147e19, retrieved 2026-10-13, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).