component
L7812-1.5A
Public Made by Adomby adom
TDSEMIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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L7812-1.5A
TDSEMIC · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220-3L
L7812-1.5A from TDSEMIC, in a TO-220-3L. 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 | IN | power_in | Unregulated input pin, with an absolute maximum input voltage of 35 V. |
| 2 | GND | power_in | Common ground pin that serves as the regulator reference terminal. |
| 3 | OUT | power_out | Regulated positive output pin, rated for a maximum output current of 1.5 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TDSEMIC |
| Package | TO-220-3L |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Input Voltage | Vi | 35 | V | 1 | |||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Operating Junction Temperature Range | TOPR | 0 | 150 | ℃ | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 83.3 | ℃/W | 1 | |||
| Thermal Resistance from Junction to Case | RθJC | 8.3 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
L7812-1.5A - Footprint:
Package_TO_SOT_THT:TO-220-3_Vertical - 3D model: TO-220-3L (KiCad packages3D, STEP)
- 3D model files:
l7812-1-5a-etched.step/l7812-1-5a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);l7812-1-5a.step/l7812-1-5a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TDSEMIC datasheet (2 pp, sha256
696f0aeda1123959, retrieved 2026-10-27, 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).
# L7812-1.5A
**TDSEMIC** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220-3L
L7812-1.5A from TDSEMIC, in a TO-220-3L. 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 | IN | power_in | Unregulated input pin, with an absolute maximum input voltage of 35 V. |
| 2 | GND | power_in | Common ground pin that serves as the regulator reference terminal. |
| 3 | OUT | power_out | Regulated positive output pin, rated for a maximum output current of 1.5 A. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TDSEMIC |
| Package | TO-220-3L |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Input Voltage | Vi | | | 35 | V | | 1 |
| Storage Temperature Range | TSTG | -55 | | 150 | ℃ | | 1 |
| Operating Junction Temperature Range | TOPR | 0 | | 150 | ℃ | | 1 |
| Thermal Resistance from Junction to Ambient | RθJA | | 83.3 | | ℃/W | | 1 |
| Thermal Resistance from Junction to Case | RθJC | | 8.3 | | ℃/W | | 1 |
## CAD (KiCad official)
- Symbol: `L7812-1.5A`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220-3L (KiCad packages3D, STEP)
- 3D model files: `l7812-1-5a-etched.step` / `l7812-1-5a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l7812-1-5a.step` / `l7812-1-5a.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [TDSEMIC datasheet](docs/l7812-1-5a-datasheet.pdf) (2 pp, sha256 `696f0aeda1123959`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/l7812-1-5a-datasheet.pdf)