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L78M12ACDT-TR The STMicroelectronics L78M12ACDT-TR is a fixed 12V positive linear voltage regulator. It provides up to 500mA output current and is housed in a surface-mount DPAK package.
Mfr Part #:

L78M12ACDT-TR

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L78M12ACDT-TR is a fixed 12V positive linear voltage regulator. It provides up to 500mA output current and is housed in a surface-mount DPAK package.
✓ Total Stock: 42,341 pcs
$ Price Range: $0.28

L78M12ACDT-TR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
35,000 pcs
On Request
35000 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
4,341 pcs
On Request
4341 pcs On Request 1 On Request On Request 12+ On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

L78M12ACDT-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Industrial Grade
Input Voltage
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Package / Case
Protection Features
Quiescent Current
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Voltage
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L78M12ACDT-TR Description

Short technical summary and product information.

The STMicroelectronics L78M12ACDT-TR is a precision 500 mA positive voltage regulator designed for a wide range of applications. It features a fixed output voltage of 12V with a tolerance of ± 2% and can accept an input voltage up to 35V.

 

Key features include thermal overload protection, short circuit protection, and output transition SOA protection, making the device highly reliable. The regulator operates within an extended temperature range of 0°C to 125°C.

 

This device is available in a DPAK surface-mount package, suitable for on-card regulation to eliminate distribution problems. It requires minimal external components and can be used to obtain adjustable voltages and currents if needed, although it is primarily designed as a fixed voltage regulator.

L78M12ACDT-TR Quick Information

Product Type: Linear Voltage Regulator
Series: L78MxxA
Canonical Name: STMicroelectronics L78M12ACDT-TR Linear Voltage Regulator
Subcategory: Linear

L78M12ACDT-TR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L78M12ACDT-TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

L78M12ACDT-TR Features

  • Fixed 12V positive output voltage.
  • Output current up to 500mA.
  • Input voltage up to 35V.
  • Surface mount DPAK package.
  • Thermal and short circuit protection.

L78M12ACDT-TR Applications

  • On-card voltage regulation.
  • Power supply circuits.
  • Consumer electronics.
  • Industrial control systems.

L78M12ACDT-TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the L78M12ACDT-TR?

The fixed output voltage is 12V.

What is the maximum input voltage?

The maximum input voltage is 35V.

What is the output current rating?

The device is rated for a nominal output current of 500mA.

What is the operating temperature range?

The operating temperature range is 0°C to 125°C.

What protection features are included?

Over current, over temperature, and short circuit protection are included.

What package type is used?

The device is in a surface mount DPAK (TO-252-3) package.

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