component
1SMA5953BAT
Public Made by Adomby adom
Agertech Zener Diodes, 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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README
markdown1SMA5953BAT
Agertech · Zener Diodes · SMA
1SMA5953BAT from Agertech, 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 | Agertech |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage | VZT | 140 | 150 | 157 | V | at IZT = 2.5 mA | 2 |
| Zener Test Current | IZT | 2.5 | mA | 2 | |||
| Dynamic Impedance | ZZT | 600 | Ω | at IZT | 2 | ||
| Reverse Current | IR | 1 | uA | at VR = 114 V | 2 | ||
| Admissible Zener Current | IZM | 10 | mA | 2 | |||
| Forward Voltage | VF | 1.5 | V | IF = 200 mA | 2 | ||
| DC Power Dissipation | PD | 1.5 | W | TL = 75C, measured at zero lead length | 1 | ||
| Forward Voltage | VF | 1.5 | V | IF = 200 mA | 1 | ||
| Junction and Storage Temperature Range | TJ, Tstg | -55 | 150 | C | 1 | ||
| Zener Voltage Tolerance | -5 | 5 | % | Type numbers listed indicate a tolerance of 5% | 2 |
CAD (KiCad official)
- Symbol:
1SMA5953BAT - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
1sma5953bat-etched.step/1sma5953bat-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1sma5953bat.step/1sma5953bat.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Agertech datasheet (3 pp, sha256
e7ec70cde0d931f2, retrieved 2026-10-27, 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).