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MC78M12BDTRKG The MC78M12BDTRKG is a 12V fixed output linear voltage regulator from On Semiconductor capable of delivering 500mA. It is housed in a surface-mount DPAK package and features over-temperature and short-circuit protection.
Mfr Part #:

MC78M12BDTRKG

Available from 5 distributors
Mfr Name: On Semiconductor
On Semiconductor
The MC78M12BDTRKG is a 12V fixed output linear voltage regulator from On Semiconductor capable of delivering 500mA. It is housed in a surface-mount DPAK package and features over-temperature and short-circuit protection.
✓ Total Stock: 404,292 pcs
$ Price Range: $0.28

MC78M12BDTRKG Available from 5 distributors

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✓ Non-Authorised
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MC78M12BDTRKG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Maximum Input Voltage
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Supplier Package
Voltage
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MC78M12BDTRKG Description

Short technical summary and product information.

The MC78M12BDTRKG is a fixed output positive linear voltage regulator manufactured by On Semiconductor. It provides a regulated 12V output with a maximum output current of 500mA. The input voltage can range up to 35V. The device features a power supply rejection ratio (PSRR) of 80dB at 120Hz, ensuring stable operation in noisy environments. Protection features include over-temperature shutdown and short-circuit current limiting. The operating temperature range spans from -40°C to 125°C, suitable for industrial applications.

 

The regulator is designed for surface-mount assembly, packaged in a TO-252-3 (DPAK) case. The package is compatible with standard reflow soldering processes and is moisture sensitivity level (MSL) 1, indicating unlimited floor life. The device is lead-free (Pb-Free) as per the datasheet.

 

Typical applications include powering digital circuits, microcontrollers, and other low-power logic systems requiring a stable 12V rail. The 500mA output current makes it ideal for peripheral power supplies and post-regulation in multi-rail systems.

MC78M12BDTRKG Quick Information

Product Type: Linear Voltage Regulator
Series: MC78M12
Canonical Name: 12V Fixed Output Positive Linear Voltage Regulator 500mA
Subcategory: Positive Fixed Output Regulator

MC78M12BDTRKG Compliance

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

MC78M12BDTRKG Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

MC78M12BDTRKG Features

  • Output voltage is fixed at 12V.
  • Maximum output current is 500mA.
  • Operating temperature range from -40°C to 125°C.
  • PSRR is 80dB at 120Hz.
  • Includes over-temperature and short-circuit protection.

MC78M12BDTRKG Applications

  • Used in industrial power supply circuits.
  • Ideal for microcontroller power rails.
  • Suitable for post-regulation in multi-rail systems.
  • Can drive peripheral loads up to 500mA.

MC78M12BDTRKG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the MC78M12BDTRKG?

12V fixed.

What is the maximum input voltage?

35V.

What is the output current rating?

500mA.

What is the package type?

TO-252-3 (DPAK) surface mount.

What is the operating temperature range?

-40°C to 125°C.

What protection features are included?

Over-temperature and short-circuit protection.

What is the PSRR?

80dB at 120Hz.

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