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SMF45A_R1_00001
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PANJIT International TVS, SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SMF45A_R1_00001
PANJIT International · TVS · SOD-123FL
SMF45A_R1_00001 from PANJIT International, in a SOD-123FL. 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, marked by the color band; connects to the protected line, with VRWM of 45 V and breakdown voltage of 50 V min to 55.3 V max at 1 mA for SMF45A. |
| 2 | A | passive | Anode; connects to ground/return, and the part is a unidirectional 200 W TVS with 72.7 V max clamping voltage at 2.8 A peak pulse current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SOD-123FL |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off voltage | VRWM | 45 | V | 2 | |||
| Breakdown voltage | VBR | 50 | 55.3 | V | @ IT = 1 mA | 2 | |
| Reverse leakage current | IR | 1 | μA | @ VRWM | 2 | ||
| Clamping voltage | VC | 72.7 | V | @ IPP = 2.8 A | 2 | ||
| Peak pulse current | IPPM | 2.8 | A | tp=10/1000μs waveform | 2 | ||
| Peak pulse power dissipation | PPPM | 200 | W | TA=25°C, Notes 1,2,5, Fig.1 | 1 | ||
| Peak forward surge current | IFSM | 20 | A | 8.3ms single half sine-wave, Note 3 | 1 | ||
| Steady state power dissipation | PM(AV) | 1 | W | Note 4, TL=75°C | 1 | ||
| ESD IEC-61000-4-2 (Air) | VESD | 30 | kV | Air, printed +30 | 1 | ||
| ESD IEC-61000-4-2 (Contact) | VESD | 30 | kV | Contact, printed +30 | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | °C | 1 | ||
| Typical thermal resistance | RθJA | 180 | °C | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | 2.Mounted on 5mm2 copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMF45A_R1_00001 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
smf45a-r1-00001-etched.step/smf45a-r1-00001-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf45a-r1-00001.step/smf45a-r1-00001.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (5 pp, sha256
9d5f09229f93270c, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).
# SMF45A_R1_00001
**PANJIT International** · TVS · SOD-123FL
SMF45A_R1_00001 from PANJIT International, in a SOD-123FL. 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, marked by the color band; connects to the protected line, with VRWM of 45 V and breakdown voltage of 50 V min to 55.3 V max at 1 mA for SMF45A. |
| 2 | A | passive | Anode; connects to ground/return, and the part is a unidirectional 200 W TVS with 72.7 V max clamping voltage at 2.8 A peak pulse current. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SOD-123FL |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off voltage | VRWM | | 45 | | V | | 2 |
| Breakdown voltage | VBR | 50 | | 55.3 | V | @ IT = 1 mA | 2 |
| Reverse leakage current | IR | | | 1 | μA | @ VRWM | 2 |
| Clamping voltage | VC | | | 72.7 | V | @ IPP = 2.8 A | 2 |
| Peak pulse current | IPPM | | | 2.8 | A | tp=10/1000μs waveform | 2 |
| Peak pulse power dissipation | PPPM | | | 200 | W | TA=25°C, Notes 1,2,5, Fig.1 | 1 |
| Peak forward surge current | IFSM | | | 20 | A | 8.3ms single half sine-wave, Note 3 | 1 |
| Steady state power dissipation | PM(AV) | | | 1 | W | Note 4, TL=75°C | 1 |
| ESD IEC-61000-4-2 (Air) | VESD | | | 30 | kV | Air, printed +30 | 1 |
| ESD IEC-61000-4-2 (Contact) | VESD | | | 30 | kV | Contact, printed +30 | 1 |
| Operating junction and storage temperature range | TJ,TSTG | -55 | | 150 | °C | | 1 |
| Typical thermal resistance | RθJA | | 180 | | °C | | 1 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | | 2.Mounted on 5mm2 copper pads to each terminal. | 1 |
## CAD (KiCad official)
- Symbol: `SMF45A_R1_00001`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `smf45a-r1-00001-etched.step` / `smf45a-r1-00001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smf45a-r1-00001.step` / `smf45a-r1-00001.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [PANJIT International datasheet](docs/smf45a-r1-00001-datasheet.pdf) (5 pp, sha256 `9d5f09229f93270c`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/smf45a-r1-00001-datasheet.pdf)