# STPS3045CGY-TR

**STMicroelectronics** · Schottky Diodes · D2PAK

STPS3045CGY-TR from STMicroelectronics, in a D2PAK. 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 | A1 | passive | First anode of dual center-tap Schottky rectifier with 15 A average forward current per diode and 45 V repetitive peak reverse voltage. |
| 2 | K | passive | Common cathode (center tap) for dual Schottky rectifier with 15 A average forward current per diode and 45 V repetitive peak reverse voltage. |
| 3 | A2 | passive | Second anode of dual center-tap Schottky rectifier with 15 A average forward current per diode and 45 V repetitive peak reverse voltage. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | D2PAK |
| Category | Diodes |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Repetitive peak reverse voltage | VRRM |  |  | 45 | V |  | 2 |
| Forward rms voltage | IF(RMS) |  |  | 30 | A |  | 2 |
| Average forward current, per diode | IF(AV) |  |  | 10 | A | δ = 0.5, TC = 155 °C | 2 |
| Average forward current, per device | IF(AV) |  |  | 30 | A | δ = 0.5, TC = 155 °C | 2 |
| Surge non repetitive forward current | IFSM |  |  | 220 | A | tp = 10 ms sinusoidal | 2 |
| Repetitive peak avalanche power | PARM |  |  | 6000 | W | tp = 1 µs, Tj = 25 °C | 2 |
| Storage temperature range | Tstg | -65 |  | 175 | °C |  | 2 |
| Maximum operating junction temperature | Tj | -40 |  | 175 | °C |  | 2 |
| Critical rate of rise reverse voltage | dV/dt |  |  | 10000 | V/µs |  | 2 |
| Reverse leakage current | IR |  |  | 200 | µA | Tj = 25 °C, VR = VRRM | 2 |
| Reverse leakage current | IR |  | 11 | 40 | mA | Tj = 125 °C, VR = VRRM | 2 |
| Forward voltage drop | VF |  | 0.5 | 0.57 | V | Tj = 125 °C, IF = 15 A | 2 |
| Forward voltage drop | VF |  |  | 0.84 | V | Tj = 25 °C, IF = 30 A | 2 |
| Forward voltage drop | VF |  | 0.65 | 0.72 | V | Tj = 125 °C | 2 |
| Junction to case, per diode | Rth (j-c) |  | 1.6 |  | °C/W |  | 2 |
| Junction to case, total | Rth (j-c) |  | 0.85 |  | °C/W |  | 2 |
| Coupling | Rth (c) |  | 0.1 |  | °C/W |  | 2 |

## CAD (KiCad official)

- Symbol: `STPS3045CGY-TR`
- Footprint: `Package_TO_SOT_SMD:TO-263-2`
- 3D model: D2PAK (KiCad packages3D, STEP)
- 3D model files: `stps3045cgy-tr-etched.step` / `stps3045cgy-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stps3045cgy-tr.step` / `stps3045cgy-tr.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604420316899139584) (7 pp, sha256 `742ec87b4109aa81`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/stps3045cgy-tr-datasheet.pdf)