View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersKA3844B
KA3844B Image
Image may be representation.
See specifications for product details.
EXPRESS OPTION
Payment method

KA3844B - Fairchild Semiconductor

Manufacturer Part Number
KA3844B
Manufacturer
Fairchild (onsemi)
Allelco Part Number
32D-KA3844B
ECAD Model
Parts Description
IC OFFLINE SWITCH 8DIP
Package
8-DIP (0.300", 7.62mm)
Data sheet
KA3844B.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 125050

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity
EXPRESS OPTION
Payment method
Our certification

Specifications

KA3844B Tech Specifications
Fairchild Semiconductor - KA3844B technical specifications, attributes, parameters and parts with similar specifications to Fairchild Semiconductor - KA3844B

Product Attribute Attribute Value  
Manufacturer Fairchild (onsemi)  
Voltage - Supply (Vcc/Vdd) 12V ~ 25V  
Voltage - Start Up 16 V  
Voltage - Breakdown -  
Topology -  
Supplier Device Package 8-DIP  
Series -  
Package / Case 8-DIP (0.300", 7.62mm)  
Package Bulk  
Product Attribute Attribute Value  
Output Isolation -  
Operating Temperature 0°C ~ 70°C (TA)  
Mounting Type Through Hole  
Internal Switch(s) No  
Frequency - Switching Up to 500kHz  
Fault Protection -  
Duty Cycle 48%  
Control Features Frequency Control  
Base Product Number KA3844  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

KA3844B

Manufacturer

onsemi

Introduction

The KA3844B is a power management integrated circuit (PMIC) that functions as an offline AC-DC converter and switch. It is designed to provide reliable and efficient power conversion in a wide range of applications.

Product Features and Performance

Start-up voltage range: 16V

Supply voltage range: 12V to 25V

Switching frequency: Up to 500kHz

Duty cycle: 48%

Control features: Frequency control

Operating temperature range: 0°C to 70°C

Product Advantages

Efficient power conversion

Wide operating voltage range

High-frequency switching for compact design

Reliable fault protection features

Key Reasons to Choose This Product

Robust and reliable power management solution

Versatile for various AC-DC conversion applications

Compact design with through-hole mounting

Cost-effective power conversion IC

Quality and Safety Features

Designed and manufactured to high-quality standards

Suitable for safety-critical applications

Compatibility

Through-hole mounting for easy integration into existing designs

Application Areas

Household appliances

Industrial equipment

Consumer electronics

Power supplies

Product Lifecycle

The KA3844B is an obsolete product. Customers should contact our website's sales team for information on equivalent or alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to Fairchild Semiconductor KA3844B

Product Attribute KA3844B KA3843BD KA3843B KA3846
Part Number KA3844B KA3843BD KA3843B KA3846
Manufacturer Fairchild Semiconductor Fairchild Semiconductor onsemi onsemi
Fault Protection - - - -
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Control Features Frequency Control Frequency Control Frequency Control Current Limit, Enable
Mounting Type Through Hole Surface Mount Through Hole Through Hole
Topology - - - -
Duty Cycle 48% 97% 97% -
Package Bulk Tube Tube Tube
Voltage - Supply (Vcc/Vdd) 12V ~ 25V 12V ~ 25V 12V ~ 25V 6.95V ~ 40V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Supplier Device Package 8-DIP 14-SOIC 8-DIP 16-PDIP
Base Product Number KA3844 KA3843 KA3843 KA3846
Output Isolation - - - -
Voltage - Breakdown - - - -
Package / Case 8-DIP (0.300", 7.62mm) 14-SOIC (0.154", 3.90mm Width) 8-DIP (0.300', 7.62mm) 16-DIP (0.300', 7.62mm)
Internal Switch(s) No No No No
Series - - - -
Voltage - Start Up 16 V 8.4 V 8.4 V 7.7 V

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

View More
KA3844B Image

KA3844B

Fairchild Semiconductor
32D-KA3844B

Want a better price? Please Add to Cart, we'll contact you immediately.

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB