component
1SMA4753
Public Made by Adomby adom
PANJIT International Zener Diodes, SMA(DO-214AC). Pinout cross-checked by two models against the datasheet, 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
markdown1SMA4753
PANJIT International · Zener Diodes · SMA(DO-214AC)
1SMA4753 from PANJIT International, in a SMA(DO-214AC). 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 | Cathode | passive | Cathode terminal, identified by the color band at the cathode end of the DO-214AC (SMA) package. |
| 2 | Anode | passive | Anode terminal, at the end of the DO-214AC (SMA) package opposite the color-band cathode end. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal Zener voltage | VZ | 34.2 | 36 | 37.8 | V | Z @ IZT 7 mA | 2 |
| Zener voltage tolerance | -5 | 5 | % | Standard tolerance on nominal zener voltage (Note C) | 1 | ||
| Maximum Zener impedance | ZZT | 50 | Ω | @ IZT 7 mA | 2 | ||
| Maximum Zener impedance (knee) | ZZK | 1000 | Ω | @ IZK 0.25 mA | 2 | ||
| Maximum reverse leakage current | IR | 0.1 | uA | @ VR 27.4 V | 2 | ||
| Power dissipation | PD | 1 | W | Derated above 50°C; mounted on 5mm2 land areas (Note A) | 1 |
CAD (KiCad official)
- Symbol:
1SMA4753 - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
1sma4753-etched.step/1sma4753-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1sma4753.step/1sma4753.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (8 pp, sha256
111f0fccd725eac6, retrieved 2026-10-28, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).