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Fairchild Semiconductor

Fairchild Semiconductor is a semiconductor manufacturer producing Linear Regulators (LDO), Gate Drivers, DC-DC Switching Regulators, AC-DC Converters & Offline Switchers, PFC Controllers. FPGACenter stocks 928 Fairchild Semiconductor products with global sourcing capabilities, quality inspection, and competitive pricing. All Fairchild Semiconductor components sourced through FPGACenter are 100% original with full traceability documentation.

928
Total Parts
360
In Stock
33
Categories
360
Active
563
EOL/Obsolete

Key Product Lines

Linear Regulators (LDO)Gate DriversDC-DC Switching RegulatorsAC-DC Converters & Offline SwitchersPFC Controllers

✅ Why Source Fairchild Semiconductor from FPGACenter

FPGACenter carries 928 Fairchild Semiconductor part numbers. Submit an RFQ for volume pricing and lead time on any Fairchild Semiconductor component.

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Fairchild Semiconductor Product Categories

Linear Regulators (LDO) (204)Gate Drivers (130)DC-DC Switching Regulators (107)AC-DC Converters & Offline Switchers (78)PFC Controllers (63)EEPROM (58)Power Supply Controllers & Monitors (36)Specialized Power Management (26)LED Drivers (25)Battery Chargers (24)Op Amps & Instrumentation Amplifiers (24)Power Distribution Switches (20)Special Purpose ICs (18)Voltage References (16)Signal Switches, MUX & Decoders (16)DC-DC Switching Controllers (11)Analog Comparators (11)Supervisors & Reset ICs (9)Motor Drivers & Controllers (9)Programmable Timers & Oscillators (8)Gates & Inverters (6)Buffers, Drivers, Receivers & Transceivers (5)Lighting & Ballast Controllers (5)Audio Amplifiers (5)EPROM (4)Current Regulation & Management (2)V/F and F/V Converters (2)Battery Management ICs (1)Drivers, Receivers & Transceivers (1)Linear & Switching Controllers (1)Full & Half-Bridge Drivers (1)ROM & NVRAM (1)Audio Special Purpose ICs (1)

All Fairchild Semiconductor Products

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Part NumberCategoryDescriptionPackageStockPriceStatus
KA78R33CTSTULinear Regulators (LDO)The KA78R33CTSTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R33CTSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcing$1.70OBSOLETERFQ
KA78R33CYDTULinear Regulators (LDO)The KA78R33CYDTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack, Formed Leads package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R33CYDTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full Pack, Formed LeadsRFQ for sourcing$1.70OBSOLETERFQ
KA78RH33RTFLinear Regulators (LDO)The KA78RH33RTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package and is rated for operation across -25°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78RH33RTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-252-3, DPak (2 Leads + Tab), SC-63RFQ for sourcingRFQOBSOLETERFQ
KA78RL00DTFLinear Regulators (LDO)The KA78RL00DTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78RL00DTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-SOIC (0.154", 3.90mm Width)RFQ for sourcing$3.15OBSOLETERFQ
KA78RM33Linear Regulators (LDO)The KA78RM33 is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78RM33 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$0.3240OBSOLETERFQ
KA78RM33RTFLinear Regulators (LDO)The KA78RM33RTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78RM33RTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-252-3, DPak (2 Leads + Tab), SC-63RFQ for sourcingRFQOBSOLETERFQ
KA78RM33RTMLinear Regulators (LDO)The KA78RM33RTM is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78RM33RTM is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-252-3, DPak (2 Leads + Tab), SC-63RFQ for sourcing$1.46OBSOLETERFQ
KA78RM33TSTULinear Regulators (LDO)The KA78RM33TSTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78RM33TSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$0.8565OBSOLETERFQ
KA78RM33TULinear Regulators (LDO)The KA78RM33TU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78RM33TU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcingRFQOBSOLETERFQ
KA78T05TULinear Regulators (LDO)The KA78T05TU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78T05TU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$0.7340OBSOLETERFQ
KA78T12TULinear Regulators (LDO)The KA78T12TU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78T12TU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$1.45OBSOLETERFQ
KA78T15Linear Regulators (LDO)The KA78T15 is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78T15 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcingRFQOBSOLETERFQ
KA78T15TULinear Regulators (LDO)The KA78T15TU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78T15TU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$1.16OBSOLETERFQ
KA7905Linear Regulators (LDO)The KA7905 is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7905 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$0.6002OBSOLETERFQ
KA7905ATULinear Regulators (LDO)The KA7905ATU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7905ATU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcingRFQOBSOLETERFQ
KA7906Linear Regulators (LDO)The KA7906 is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7906 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcingRFQOBSOLETERFQ
KA7908TSTULinear Regulators (LDO)The KA7908TSTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7908TSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcingRFQOBSOLETERFQ
KA7909TULinear Regulators (LDO)The KA7909TU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7909TU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$1.71OBSOLETERFQ
KA7912Linear Regulators (LDO)The KA7912 is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7912 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$0.6002OBSOLETERFQ
KA7912ATULinear Regulators (LDO)The KA7912ATU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7912ATU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$0.4212OBSOLETERFQ

Frequently Asked Questions

Where can I buy Fairchild Semiconductor electronic components?

FPGACenter stocks 928 Fairchild Semiconductor part numbers with 360 currently in stock. All parts are 100% original with full traceability. No minimum order quantity required. Submit an RFQ for competitive pricing.

Can I still get obsolete Fairchild Semiconductor parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 563 end-of-life/obsolete Fairchild Semiconductor part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Fairchild Semiconductor products does FPGACenter carry?

We stock Fairchild Semiconductor products across 33 categories including Linear Regulators (LDO), Gate Drivers, DC-DC Switching Regulators, AC-DC Converters & Offline Switchers. Browse our full catalog or contact our sourcing team for any specific Fairchild Semiconductor part number.

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