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MC78M12BDT The On Semiconductor MC78M12BDT is a 12V positive fixed linear voltage regulator. It provides up to 500mA output current and is housed in a surface-mount DPAK package.
Mfr Part #:

MC78M12BDT

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor MC78M12BDT is a 12V positive fixed linear voltage regulator. It provides up to 500mA output current and is housed in a surface-mount DPAK package.
✓ Total Stock: 13 pcs
$ Price Range: $0.28

MC78M12BDT Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
13 pcs
On Request
13 pcs On Request 1 On Request On Request 03+15 On Request On Request
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MC78M12BDT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Supplier Package
Voltage
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MC78M12BDT Description

Short technical summary and product information.

The MC78M12BDT from On Semiconductor is a 12V positive fixed linear voltage regulator designed for local on-card voltage regulation. It is capable of supplying up to 500mA of output current, making it suitable for various power management applications.

 

This device features internal current limiting, thermal shutdown circuitry, and safe-area compensation for the internal pass transistor, ensuring robustness under typical operating conditions. The regulator operates within a temperature range of -40°C to 125°C and offers a Power Supply Rejection Ratio (PSRR) of 80dB at 120Hz.

 

The MC78M12BDT is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package, designed for surface mounting. Its fixed output voltage and robust protection features make it a reliable choice for applications requiring stable voltage regulation.

MC78M12BDT Quick Information

Product Type: Voltage Regulator
Series: MC78M00
Canonical Name: MC78M12BDT Positive Fixed Voltage Linear Regulator
Subcategory: Linear Voltage Regulator

MC78M12BDT Compliance

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

MC78M12BDT Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

MC78M12BDT Features

  • Fixed 12V positive output voltage.
  • Maximum output current of 500mA.
  • Surface mount DPAK package.
  • Internal thermal overload protection.
  • Internal short circuit current limiting.

MC78M12BDT Applications

  • Power supplies for industrial control systems.
  • Clean 12V rail for consumer electronics.
  • Voltage regulation in low-power equipment.
  • Post-regulation in DC-DC converter designs.
  • Low-noise supply for instrumentation circuits.

MC78M12BDT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the MC78M12BDT?

The MC78M12BDT provides a fixed nominal output voltage of 12V.

What is the maximum voltage rating?

The maximum voltage rating is 35V.

What output current can the regulator deliver?

The regulator can deliver up to 500mA output current.

What is the operating temperature range?

-40°C to +125°C.

What package is the MC78M12BDT available in?

Available in DPAK surface-mount package (TO-252-3).

Does the MC78M12BDT include protection features?

Yes, it includes over-temperature and short-circuit protection.

What is the PSRR of this regulator?

Typical PSRR is 80dB at 120Hz.

MC78M12BDT Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
MC78M12BDTG
MC78M12BDTG
On Semiconductor
The ON Semiconductor MC78M12BDTG is a linear voltage regulator providing a fixed 12V output with a 500mA current capability. It is designed for surface mounting in a DPAK package.
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