EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
KA7918 Fairchild/ON Semiconductor
Same model may have multiple batches, images only for reference.

KA7918

Part No KA7918
Manufacturer Fairchild/ON Semiconductor
Catalog PMIC - Voltage Regulators - Linear
Description IC REG LDO -18V 1A TO220-3
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer Fairchild/ON Semiconductor
Packaging Tube/Rail
Status Active
Output Type Fixed
Number of Regulators 1
Maximum Input Voltage -35V
Nominal Output Voltage (Min/Fixed) -18V
Dropout Voltage-Max 2V @ 1A (Typ)
Output Current 1A
Operating Supply Current 6mA
PSRR 60dB (120Hz)
Control Protection Features Over Temperature, Short Circuit
Temperature Range - Operating 0°C to 125°C
Regulator Topology Negative Fixed
Output Voltage -18V
Voltage - Dropout (Typical) 2V @ 1A
Mounting Through Hole
Case / Package TO-220-3
Win Source Part Number 205831-KA7918
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian KA7918 CAD Model

Description

The Fairchild/ON Semiconductor KA7918 is a negative fixed regulator with a maximum input voltage of -35V and a nominal output voltage (min/fixed) of -18V.

  • Voltage Dropout (typical): 2V @ 1A
  • Output Current: 1A
  • Package: TO-220-3
  • Operating Temperature: 0°C to 125°C
  • PSRR: 60dB (120Hz)
  • Control Protection Features: Over temperature and short circuit
  • Status: Active
  • Popularity: Medium

You May Also Be Interested in

AN8076K Panasonic
AN8076K
Panasonic
Need more? Email Us
AN8027W Panasonic
AN8027W
Panasonic
Need more? Email Us
MIC5255-2.75BM5-TR Real Image
MIC5255-2.75BM5-TR
Microchip Technology
IC REG LDO 2.75V 0.15A SOT23-5
Lowest to $0.3892
AP2127N-1.0TRG1 Real Image
AP2127N-1.0TRG1
Diodes Incorporated
IC REG LDO 1V 0.3A SOT23
Lowest to $0.1241
LP38693QSD-5.0/NOPB Real Image
LP38693QSD-5.0/NOPB
Texas Instruments
LP38693 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors | IC REG LINEAR 5V 500MA 6WSON
Lowest to $2.9777
LP3965EMPX-5.0 Real Image
LP3965EMPX-5.0
Texas Instruments
IC REG LDO 5V 1.5A SOT223-5
Need more? Email Us
LD1086D2T15R Real Image
LD1086D2T15R
STMicroelectronics
1.5A Low drop positive voltage regulator adjustable and fixed
Lowest to $0.5107
AN8027-PG Panasonic
AN8027-PG
Panasonic
Need more? Email Us
MIC5203-3.6YM4-TR Real Image
MIC5203-3.6YM4-TR
Microchip Technology
IC REG LDO 3.6V 80MA SOT143
Need more? Email Us

Top Sellers

FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.4647
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $21.3835
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.5429
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.4046
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.8196
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $4.0391
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.7023
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0594
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $30.8873
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.6918
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.7805
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.8016
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6155
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.8313

Pricing & Ordering

Quantity Unit Price Ext. Price
45+ $1.3456 $60.5520
105+ $1.1042 $115.9410
165+ $1.0695 $176.4675
225+ $1.0349 $232.8525
290+ $1.0002 $290.0580
390+ $0.8974 $349.9860
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 10,200 pieces
MOQ: 45 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess