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KA78RM33 The ON Semiconductor KA78RM33 is a 3.3V, 500mA linear voltage regulator in a TO-220-3 package. It offers essential protection features for reliable power supply.
Mfr Part #:

KA78RM33

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor KA78RM33 is a 3.3V, 500mA linear voltage regulator in a TO-220-3 package. It offers essential protection features for reliable power supply.
✓ Total Stock: 169 pcs
$ Price Range: $0.30

KA78RM33 Available from 1 distributor

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KA78RM33 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Voltage
Junction Temperature
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Package / Case
Protection Features
Supplier Device Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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KA78RM33 Description

Short technical summary and product information.

The KA78RM33 from ON Semiconductor is a low dropout voltage regulator designed for various electronic equipment. It provides a constant 3.3V output voltage with a maximum output current of 0.5A. This regulator is housed in a TO-220-3 package, suitable for through-hole mounting.

 

Key electrical characteristics include a low dropout voltage of 0.6V at 500mA, line and load regulation of 20mV, and a ripple rejection ratio of 55dB at 120Hz. The device operates over a wide temperature range of -25°C to 125°C.

 

For enhanced reliability, the KA78RM33 incorporates several protection features, including over-current protection, thermal shutdown, and short-circuit protection. These features help safeguard the device and the connected circuitry from potential damage during fault conditions.

 

This linear voltage regulator is a suitable choice for applications requiring a stable and regulated 3.3V power source. Its robust design and integrated protection make it a dependable component for power management in electronic systems.

KA78RM33 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: KA78RM33 Low Dropout Voltage Regulator
Subcategory: Linear

KA78RM33 Compliance

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

KA78RM33 Estimated Pricing

Qty Low High
1+ $0.30 $0.30

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

KA78RM33 Features

  • Provides a stable 3.3V output.
  • Maximum output current is 0.5A.
  • Low dropout voltage of 0.6V.
  • Includes over-current protection.
  • Operates from -25°C to 125°C.

KA78RM33 Applications

  • Suitable for general power regulation.
  • Used in various electronic equipment.
  • Provides stable voltage for sensitive circuits.
  • Ideal for applications needing 3.3V supply.

KA78RM33 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the KA78RM33?

The KA78RM33 provides a fixed 3.3V output voltage.

What is the maximum output current for the KA78RM33?

The maximum output current for the KA78RM33 is 0.5A.

What is the dropout voltage of the KA78RM33?

The dropout voltage of the KA78RM33 is a maximum of 0.6V at 0.5A.

What protection features are included in the KA78RM33?

The KA78RM33 includes over current, over temperature, and short circuit protection features.

What is the operating temperature range for the KA78RM33?

The operating temperature range for the KA78RM33 is -25°C to 125°C.

What package type is the KA78RM33 available in?

The KA78RM33 is available in a TO-220-3 package.

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