KA7818ETU
- Mfr.Part #
- KA7818ETU
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- TO-220-3
- Datasheet
- Download
- Description
- IC REG LIN FIXED POS STD REG 18V
- Stock
- 8,439
- In Stock :
- 8,439
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Output Voltage :
- 18V
- Voltage Dropout (Max) :
- 2V @ 1A Typ
- Protection Features :
- Over Temperature, Short Circuit
- Dropout Voltage :
- 2V
- Quiescent Current :
- 8mA
- Weight :
- 1.8g
- Terminal Finish :
- Tin (Sn)
- Terminal Position :
- Single
- JESD-609 Code :
- e3
- Operating Temperature :
- -40°C~125°C
- Mounting Type :
- Through Hole
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Number of Terminations :
- 3
- Output Voltage 1 :
- 18V
- Package / Case :
- TO-220-3
- Min Input Voltage :
- 35V
- Terminal Pitch :
- 2.54mm
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- Max Output Current :
- 1A
- Number of Functions :
- 1
- Output Configuration :
- Positive
- Packaging :
- Tube
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Through Hole
- Number of Regulators :
- 1
- Output Type :
- FIXED
- Qualification Status :
- Not Qualified
- Voltage - Input (Max) :
- 35V
- Base Part Number :
- KA7818
- PSRR :
- 69dB (120Hz)
- Voltage Tolerance-Max :
- 5%
- Pbfree Code :
- yes
- RoHS Status :
- RoHS Compliant
- Dropout Voltage1-Nom :
- 2V
- Packing Method :
- Rail
- Accuracy :
- 4 %
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- JESD-30 Code :
- R-PSFM-T3
- Output Voltage Accuracy :
- 4 %
- Published :
- 2017
- Number of Outputs :
- 1
- Datasheets
- KA7818ETU

[Voltage Regulators - Linear] Fairchild Semiconductor KA7818ETU Overview
The Fairchild Semiconductor KA7818ETU is a linear voltage regulator integrated circuit designed to provide a fixed positive output voltage of 18V. Engineered with precision and reliability in mind, this IC is ideal for a wide range of applications where stable voltage regulation is essential.
With its compact form factor and robust performance, the KA7818ETU offers an efficient solution for power management in various electronic systems and devices. Whether used in industrial machinery, automotive electronics, or consumer appliances, this regulator ensures consistent voltage output, enhancing overall system performance and longevity.
KA7818ETU Features
- Fixed Positive Voltage Output: The KA7818ETU delivers a stable output voltage of 18V, ensuring reliable performance in diverse applications.
- Linear Regulation: This integrated circuit utilizes linear regulation to maintain precise voltage levels, minimizing ripple and noise for clean power delivery.
- Wide Operating Temperature Range: With a temperature range from -40°C to +125°C, the KA7818ETU remains operational in harsh environmental conditions.
- Compact Package: Housed in a standard TO-220 package, this regulator offers easy integration into existing circuit designs.
- Overcurrent and Thermal Protection: Built-in protection features safeguard the IC and connected components against overcurrent and excessive temperature, ensuring system reliability and longevity.
KA7818ETU Applications
- Industrial Automation: The KA7818ETU is commonly used in industrial control systems, PLCs (Programmable Logic Controllers), and motor drives to provide stable voltage for sensors, actuators, and control circuits.
- Automotive Electronics: In automotive applications, this voltage regulator powers various onboard electronics, including engine control units (ECUs), infotainment systems, and lighting modules, ensuring consistent operation even under fluctuating voltage conditions.
- Consumer Electronics: From home appliances to portable devices, the KA7818ETU offers reliable voltage regulation for products such as audio amplifiers, LED displays, and battery chargers, enhancing performance and durability.
- Telecommunications: Within telecommunications equipment and networking devices, this IC maintains steady voltage levels for microcontrollers, communication modules, and power supplies, contributing to seamless connectivity and uptime.
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