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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
KA7500CDDC-DC Switching ControllersThe KA7500CD is a DC-DC switching controller manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-SOIC (0.154", 3.90mm Width) package and is rated for operation across -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7500CD is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.16-SOIC (0.154", 3.90mm Width)RFQ for sourcing$0.5094OBSOLETERFQ
KA7500CDTFDC-DC Switching ControllersThe KA7500CDTF is a DC-DC switching controller manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-SOIC (0.154", 3.90mm Width) package and is rated for operation across -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7500CDTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.16-SOIC (0.154", 3.90mm Width)RFQ for sourcing$0.3422OBSOLETERFQ
KA75250MTFSupervisors & Reset ICsThe KA75250MTF is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 2.5V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75250MTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcingRFQOBSOLETERFQ
KA75270MTFSupervisors & Reset ICsThe KA75270MTF is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 2.7V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75270MTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcing$1.02OBSOLETERFQ
KA75290MTFSupervisors & Reset ICsThe KA75290MTF is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 2.9V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75290MTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcing$1.02OBSOLETERFQ
KA75310MTFSupervisors & Reset ICsThe KA75310MTF is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 3.1V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75310MTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcingRFQOBSOLETERFQ
KA75310ZTASupervisors & Reset ICsThe KA75310ZTA is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 3.1V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) Formed Leads package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75310ZTA is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA) Formed LeadsRFQ for sourcingRFQOBSOLETERFQ
KA75330ZBUSupervisors & Reset ICsThe KA75330ZBU is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 3.3V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75330ZBU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA)RFQ for sourcing$0.6200OBSOLETERFQ
KA75390ZTASupervisors & Reset ICsThe KA75390ZTA is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 3.9V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) Formed Leads package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75390ZTA is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA) Formed LeadsRFQ for sourcingRFQOBSOLETERFQ
KA75420MTFSupervisors & Reset ICsThe KA75420MTF is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 4.2V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75420MTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcingRFQOBSOLETERFQ
KA75450MTFSupervisors & Reset ICsThe KA75450MTF is a voltage supervisor manufactured by Fairchild Semiconductor. Key technical specifications include Open Drain or Open Collector output type, 4.5V voltage threshold, 1 monitored voltage, and -25°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -25°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA75450MTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcing$0.3954OBSOLETERFQ
KA7552ADC-DC Switching ControllersThe KA7552A is a DC-DC switching controller manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7552A is currently in active production through Fairchild Semiconductor's standard distribution channels.8-DIP (0.300", 7.62mm)5.052 In Stock$0.3690ACTIVERFQ
KA7553ADC-DC Switching ControllersThe KA7553A is a DC-DC switching controller manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7553A is currently in active production through Fairchild Semiconductor's standard distribution channels.8-DIP (0.300", 7.62mm)31.200 In Stock$0.8408ACTIVERFQ
KA7630TSLinear Regulators (LDO)The KA7630TS 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 10-SIP, 10-SIPH package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7630TS is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.10-SIP, 10-SIPHRFQ for sourcing$1.68OBSOLETERFQ
KA7631TSLinear Regulators (LDO)The KA7631TS 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 10-SIP, 10-SIPH package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7631TS is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.10-SIP, 10-SIPHRFQ for sourcing$1.01OBSOLETERFQ
KA7632Linear Regulators (LDO)The KA7632 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 10-SIP, 10-SIPH package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7632 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.10-SIP, 10-SIPHRFQ for sourcingRFQOBSOLETERFQ
KA76L05ZTALinear Regulators (LDO)The KA76L05ZTA 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-226-3, TO-92-3 (TO-226AA) Formed Leads package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA76L05ZTA is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA) Formed LeadsRFQ for sourcingRFQOBSOLETERFQ
KA76L05ZTFLinear Regulators (LDO)The KA76L05ZTF 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-226-3, TO-92-3 (TO-226AA) Formed Leads package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA76L05ZTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA) Formed LeadsRFQ for sourcingRFQOBSOLETERFQ
KA7805AELinear Regulators (LDO)The KA7805AE 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 KA7805AE is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcingRFQOBSOLETERFQ
KA7805AETSTULinear Regulators (LDO)The KA7805AETSTU 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 KA7805AETSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcing$0.5820OBSOLETERFQ

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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