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KA239A

KA239A

KA239A

Fairchild (ON Semiconductor)

1.3 μs μs Linear Comparators 1.1mA μA

SOT-23

KA239A Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case DIP
Surface MountNO
JESD-609 Code e3
Pbfree Code yes
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 14
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Max Operating Temperature85°C
Min Operating Temperature -25°C
Subcategory Comparator
Technology BIPOLAR
Terminal Position DUAL
Terminal FormTHROUGH-HOLE
Peak Reflow Temperature (Cel) 245
Number of Functions 4
Supply Voltage 5V
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count14
Qualification StatusNot Qualified
Output Type OPEN-COLLECTOR
Power Supplies5V
Temperature GradeOTHER
Number of Channels 4
Max Supply Voltage36V
Min Supply Voltage18V
Power Dissipation-Max 570mW
Nominal Supply Current1.1mA
Max Supply Current 2mA
Current - Output 18mA
Response Time1.3 μs
Amplifier Type COMPARATOR
Current - Input Bias 250nA
Bias Current-Max (IIB) @25C 0.25μA
Height Seated (Max) 5.08mm
Width 7.62mm
RoHS StatusRoHS Compliant
In-Stock:4422 items

KA239A Product Details

KA239A Overview


In order to make transportation easier, it is packaged in DIP .A comparator with an output type of OPEN-COLLECTOR is being used.As you can see, the comparator has14 terminals.Electronic comparator is a part of Comparator family.Electronic comparator is capable of performing numerous tasks when powered by 5V voltage.A total of 14 pins are included.Electronic comparator is recommended that the nominal supply current of the device be 1.1mA .A current supply greater than 2mA may cause the comparator to malfunction.The device can be run with 5V power supplies.In general, temperatures higher than 85°C are not recommended.Comparator electronics will not be able to function at temperatures below -25°C .A comparator's maximum supply voltage is 36V volts.Using a voltage as low as 18V is possible for this comparator.For the output quality to be maintained, 4 channels work together.There is essentially a very high gain COMPARATOR amplifier in the comparator.A 18mA output current is specified for this device.

KA239A Features


OPEN-COLLECTOR output capability
COMPARATOR amplifier


KA239A Applications


There are a lot of Fairchild (ON Semiconductor)
KA239A linear comparators applications.


  • Current and voltage sensing
  • Analog front end
  • Power management
  • Point of load regulators
  • DC/DC and AC/DC power supplies
  • System control and monitoring
  • Wearable Devices
  • Mobile Phones and Tablets
  • Battery-Powered Electronics
  • General Purpose Low Voltage Applications

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