component
1SMA5921_R1_00001
Public Made by Adomby adom
PANJIT International Zener Diodes, DO-214AC. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
1SMA5921_R1_00001
PANJIT International · Zener Diodes · DO-214AC
1SMA5921_R1_00001 from PANJIT International, in a 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 | 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 | PANJIT International |
| Package | 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 | 6.46 | 6.8 | 7.14 | V | at IZT | 2 |
| Zener Test Current | IZT | 55.1 | mA | 2 | |||
| Maximum Zener Impedance | ZZT | 3 | Ω | at IZT | 2 | ||
| Maximum Zener Knee Impedance | ZZK | 200 | Ω | at IZK = 1 mA | 2 | ||
| Max. Reverse Leakage Current | IR | 5 | μA | at VR = 5.2 V | 2 | ||
| Pulse Power Dissipation | PD | 1.5 | W | TL=75°C (Note A) | 1 | ||
| Power Derating above 75°C | PD | 20 | mW/°C | Derate above 75°C | 1 | ||
| Peak Forward Surge Current | IFSM | 10 | A | 8.3ms single half sine-wave superimposed on rated load (Note B) | 1 | ||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
1SMA5921_R1_00001 - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC (KiCad packages3D, STEP)
- 3D model files:
1sma5921-r1-00001-etched.step/1sma5921-r1-00001-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1sma5921-r1-00001.step/1sma5921-r1-00001.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (7 pp, sha256
c4e0f02b7c928043, retrieved 2026-10-22, 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).
# 1SMA5921_R1_00001
**PANJIT International** · Zener Diodes · DO-214AC
1SMA5921_R1_00001 from PANJIT International, in a 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 | 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 | PANJIT International |
| Package | 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 | 6.46 | 6.8 | 7.14 | V | at IZT | 2 |
| Zener Test Current | IZT | | 55.1 | | mA | | 2 |
| Maximum Zener Impedance | ZZT | | | 3 | Ω | at IZT | 2 |
| Maximum Zener Knee Impedance | ZZK | | | 200 | Ω | at IZK = 1 mA | 2 |
| Max. Reverse Leakage Current | IR | | | 5 | μA | at VR = 5.2 V | 2 |
| Pulse Power Dissipation | PD | | | 1.5 | W | TL=75°C (Note A) | 1 |
| Power Derating above 75°C | PD | | | 20 | mW/°C | Derate above 75°C | 1 |
| Peak Forward Surge Current | IFSM | | | 10 | A | 8.3ms single half sine-wave superimposed on rated load (Note B) | 1 |
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | | 150 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `1SMA5921_R1_00001`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: DO-214AC (KiCad packages3D, STEP)
- 3D model files: `1sma5921-r1-00001-etched.step` / `1sma5921-r1-00001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1sma5921-r1-00001.step` / `1sma5921-r1-00001.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [PANJIT International datasheet](docs/1sma5921-r1-00001-datasheet.pdf) (7 pp, sha256 `c4e0f02b7c928043`, retrieved 2026-10-22, 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/1sma5921-r1-00001-datasheet.pdf)