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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearKA7818ETU
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KA7818ETU - onsemi

Manufacturer Part Number
KA7818ETU
Manufacturer
onsemi
Allelco Part Number
32D-KA7818ETU
ECAD Model
Parts Description
IC REG LINEAR 18V 1A TO220-3
Package
TO-220-3
Data sheet
TO220B03 Pkg Drawing.pdf
KA78xx(A)E.pdf
Our certification
In stock: 7510

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Specifications

KA7818ETU Tech Specifications
onsemi - KA7818ETU technical specifications, attributes, parameters and parts with similar specifications to onsemi - KA7818ETU

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage Dropout (Max) 2V @ 1A (Typ)  
Voltage - Output (Min/Fixed) 18V  
Voltage - Output (Max) -  
Voltage - Input (Max) 35V  
Supplier Device Package TO-220-3  
Series -  
Protection Features Over Temperature, Short Circuit  
Package / Case TO-220-3  
Package Tube  
Product Attribute Attribute Value  
PSRR 69dB (120Hz)  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Through Hole  
Current - Quiescent (Iq) 8 mA  
Current - Output 1A  
Control Features -  
Base Product Number KA7818  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

KA7818ETU

Manufacturer

onsemi

Introduction

The KA7818ETU is a positive fixed voltage linear low dropout (LDO) regulator from onsemi. It is designed to provide a stable and regulated 18V output voltage from an input voltage of up to 35V. This regulator is suitable for a wide range of applications that require a reliable and efficient power supply.

Product Features and Performance

Fixed 18V output voltage

Maximum input voltage of 35V

Output current capability of up to 1A

Low voltage dropout of 2V at 1A (typical)

Quiescent current of 8mA (typical)

High power supply rejection ratio (PSRR) of 69dB at 120Hz

Over-temperature and short-circuit protection

Product Advantages

Robust design with protection features

Efficient power conversion with low voltage dropout

Suitable for a wide range of input voltages

Compact TO-220-3 package for easy integration

Key Reasons to Choose This Product

Reliable and stable 18V output for your power supply needs

Excellent thermal and electrical performance

Cost-effective solution for industrial and commercial applications

Proven track record of quality and safety from onsemi

Quality and Safety Features

Over-temperature protection to prevent overheating

Short-circuit protection to safeguard against excessive current

Designed and manufactured to onsemi's high-quality standards

Compatibility

The KA7818ETU is a through-hole mounted regulator in a TO-220-3 package, making it compatible with a variety of circuit board designs and applications.

Application Areas

Industrial equipment

Automotive electronics

Household appliances

Power supplies for electronic devices

Product Lifecycle

The KA7818ETU is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from our website's sales team or other manufacturers. Customers are advised to contact our website's sales team for more information on current product offerings and available alternatives.

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi KA7818ETU

Product Attribute KA7818ETU KA7818ETU KA7824E KA7815ETU
Part Number KA7818ETU KA7818ETU KA7824E KA7815ETU
Manufacturer onsemi Fairchild Semiconductor onsemi Fairchild Semiconductor
Voltage - Output (Max) - - - -
Voltage Dropout (Max) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ) 2V @ 1A (Typ)
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Voltage - Input (Max) 35V 35V 40V 35V
Voltage - Output (Min/Fixed) 18V 18V 24V 15V
Output Type Fixed Fixed Fixed Fixed
Current - Quiescent (Iq) 8 mA 8 mA 8 mA 8 mA
Package / Case TO-220-3 TO-220-3 TO-220-3 TO-220-3
Supplier Device Package TO-220-3 TO-220-3 TO-220-3 TO-220-3
Mounting Type Through Hole Through Hole Through Hole Through Hole
Package Tube Bulk Bulk Bulk
Output Configuration Positive Positive Positive Positive
Current - Output 1A 1A 1A 1A
Protection Features Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit
Base Product Number KA7818 KA7818 KA7824 KA7815
Number of Regulators 1 1 1 1
Control Features - - - -
Series - - - -
PSRR 69dB (120Hz) 69dB (120Hz) 67dB (120Hz) 70dB (120Hz)

KA7818ETU Datasheet PDF

Download KA7818ETU pdf datasheets and onsemi documentation for KA7818ETU - onsemi.

Datasheets
TO220B03 Pkg Drawing.pdf KA78xx(A)E.pdf
Environmental Information
onsemi RoHS.pdf
PCN Design/Specification
Logo 17/Aug/2017.pdf Materials 09/Oct/2007.pdf
PCN Packaging
Mult Devices 24/Oct/2017.pdf
PCN Obsolescence/ EOL
Mult Dev EOL 18/Oct/2018.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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KA7818ETU

onsemi
32D-KA7818ETU

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