Representative package image. See datasheet for exact dimensions.L7812ACV
12 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220
| Manufacturer | STMicroelectronics |
|---|---|
| Category | Voltage Regulators |
| Series | L78 |
| Package | TO-220 |
| Datasheet | L7812ACV PDF |
| Availability |
- Free DHL / FedEx / UPS shipping, no fixed MOQ
- Real part photos + date code with every quote
- Owner quotes on WhatsApp within 2 h (business hours)
L7812ACV Overview
The L7812ACV is a 12 V, 1.5 A fixed positive linear regulator from the ST L78 series in a TO-220 package, with internal current limiting, thermal shutdown and safe-area protection.
Key Features
- 12 V fixed output, up to 1.5 A
- Thermal overload protection
- Short-circuit protection
- Output transition SOA protection
Applications
- Local on-card regulation
- Industrial control power supplies
L7812ACV Specifications
| Part Number | L7812ACV |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Voltage Regulators |
| Series | L78 |
| Package / Case | TO-220 |
| Output voltage | 12 V |
| Output current | Up to 1.5 A |
| Protection | Thermal overload and short-circuit |
Specifications are taken from the manufacturer's public datasheet and are for reference. Confirm against the latest datasheet before design-in.
L7812ACV Datasheet
L7812ACV DatasheetPDF · STMicroelectronicsL7812ACV Pinout & Package
L7812ACV is supplied in a TO-220 package. The full pin configuration, pin descriptions and mechanical drawing are published in the STMicroelectronics datasheet (open L7812ACV datasheet PDF). Always check the footprint against the latest datasheet revision before layout.
L7812ACV Alternatives & Equivalents
| Part Number | Manufacturer | Compatibility | RFQ |
|---|---|---|---|
| L7805CV | STMicroelectronics | same L78 series, 5 V | |
| L7815CV | STMicroelectronics | same L78 series, 15 V |
Alternatives are for reference. Verify pinout, electrical characteristics and firmware against each datasheet before substituting.
L7812ACV Guides & Comparisons
More engineering notes on the PartVane blog.
L7812ACV FAQ
Who manufactures L7812ACV?
L7812ACV is manufactured by STMicroelectronics and belongs to the L78 series. It is listed under Voltage Regulators.
What is L7812ACV?
L7812ACV: 12 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220.
What package does L7812ACV come in?
L7812ACV comes in a TO-220 package.
Where can I download the L7812ACV datasheet and pinout?
The STMicroelectronics datasheet for L7812ACV is linked in the Datasheet section of this page (https://www.st.com/resource/en/datasheet/l78.pdf). The pin configuration and package drawing are in that datasheet.
What is the equivalent or alternative to L7812ACV?
Documented alternatives to L7812ACV: L7805CV (STMicroelectronics, same L78 series, 5 V); L7815CV (STMicroelectronics, same L78 series, 15 V). Always verify pinout and electrical characteristics against each datasheet before substituting.
Do you have L7812ACV in stock?
Yes. PartVane holds stock of L7812ACV. Send the quantity you need and we will confirm the available quantity, date code and delivery in the quotation.
How do I get a price and availability for L7812ACV?
Message the owner on WhatsApp (+86 139 3944 9974), use the quote form on this page or email sales@partvane.com with the quantity and target delivery date. On WhatsApp we quote within 2 hours during business hours (Mon–Sat, 09:00–18:00 China time (UTC+8)); every RFQ is answered within 24 hours. The quotation includes unit price, availability, lead time and photos of the actual parts with the date code / lot label.
Parts Related to L7812ACV: Voltage Regulators
| Part Number | Description | Package | Stock | Datasheet | RFQ | |
|---|---|---|---|---|---|---|
 | AMS1117-3.3 Advanced Monolithic Systems | 1 A low-dropout linear regulator, fixed 3.3 V output, SOT-223 | SOT-223 | |||
| LM2596S-5.0/NOPB Texas Instruments | SIMPLE SWITCHER 3 A step-down regulator, fixed 5 V output, 150 kHz, 4.5 V to 40 V input | TO-263-5 | |||
| LM317T onsemi | Adjustable 3-terminal positive linear voltage regulator, 1.2 V to 37 V output, 1.5 A, TO-220 | TO-220 | |||
| NCP1117ST33T3G onsemi | 1 A low-dropout positive linear regulator, fixed 3.3 V output, SOT-223 | SOT-223-4 |
Same series: L78
Other L78 part numbers we list. Compare memory, package and pin count in each specification table.
| Part Number | Description | Package | Stock | Datasheet | RFQ | |
|---|---|---|---|---|---|---|
| L7805ABV STMicroelectronics | 5 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7805ACV STMicroelectronics | 5 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7805CV STMicroelectronics | Fixed 5 V three-terminal positive linear voltage regulator, up to 1.5 A, TO-220 | TO-220 | |||
| L7806ACV STMicroelectronics | 6 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7806CV STMicroelectronics | Fixed 6 V positive linear voltage regulator, up to 1.5 A, TO-220 | TO-220 | |||
| L7808ACV STMicroelectronics | 8 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7808CV STMicroelectronics | 8 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7809ACV STMicroelectronics | 9 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7809CV STMicroelectronics | Fixed 9 V positive linear voltage regulator, up to 1.5 A, TO-220 | TO-220 | |||
| L7812CV STMicroelectronics | 12 V positive fixed voltage regulator, 1.5 A output current, TO-220 | TO-220 | |||
| L7815ACV STMicroelectronics | 15 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7815CV STMicroelectronics | Fixed 15 V positive linear voltage regulator, up to 1.5 A, TO-220 | TO-220 | |||
| L7818CV STMicroelectronics | 18 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7824ACV STMicroelectronics | 24 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7824CV STMicroelectronics | 24 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 | |||
| L7885CV STMicroelectronics | 8.5 V positive linear voltage regulator, up to 1.5 A, thermal and short-circuit protection, TO-220 | TO-220 |
L7812ACV is a documented alternative for
These part pages list L7812ACV as an alternative or equivalent. Verify pinout and electrical characteristics against both datasheets before substituting.
| Part Number | Description | Package | Stock | Datasheet | RFQ | |
|---|---|---|---|---|---|---|
| L7812CV STMicroelectronics | 12 V positive fixed voltage regulator, 1.5 A output current, TO-220 | TO-220 |
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