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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

Page 36 of 47
Part NumberCategoryDescriptionPackageStockPriceStatus
KA258DOp Amps & Instrumentation AmplifiersThe KA258D is an instrumentation amplifier manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C operating temperature; design review should confirm amplifier gain, bandwidth, ADC or DAC signal-chain fit, supply voltage, and 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 -25°C ~ 85°C. Designed for audio systems, instrumentation, and medical devices applications, the KA258D 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 sourcingRFQOBSOLETERFQ
KA258DTFOp Amps & Instrumentation AmplifiersThe KA258DTF is an instrumentation amplifier manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C operating temperature; design review should confirm amplifier gain, bandwidth, ADC or DAC signal-chain fit, supply voltage, and 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 -25°C ~ 85°C. Designed for audio systems, instrumentation, and medical devices applications, the KA258DTF 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$0.4790OBSOLETERFQ
KA278R05CYDTULinear Regulators (LDO)The KA278R05CYDTU 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 KA278R05CYDTU 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 sourcingRFQOBSOLETERFQ
KA278R09CTULinear Regulators (LDO)The KA278R09CTU 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 KA278R09CTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcingRFQOBSOLETERFQ
KA278R09CYDTULinear Regulators (LDO)The KA278R09CYDTU 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 KA278R09CYDTU 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$1.95OBSOLETERFQ
KA278R12CTSTULinear Regulators (LDO)The KA278R12CTSTU 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 KA278R12CTSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcing$1.95OBSOLETERFQ
KA278R12CTULinear Regulators (LDO)The KA278R12CTU 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 KA278R12CTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcingRFQOBSOLETERFQ
KA278R33CYDTULinear Regulators (LDO)The KA278R33CYDTU 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 KA278R33CYDTU 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 sourcingRFQOBSOLETERFQ
KA278RA05CTULinear Regulators (LDO)The KA278RA05CTU 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 KA278RA05CTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcingRFQOBSOLETERFQ
KA278RA05CYDTULinear Regulators (LDO)The KA278RA05CYDTU 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 KA278RA05CYDTU 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 sourcingRFQOBSOLETERFQ
KA2803BSpecialized Power ManagementThe KA2803B is a specialized power management IC manufactured by Fairchild Semiconductor. Key technical specifications include 12V ~ 20V input voltage, 400µA quiescent current, and -25°C ~ 80°C operating temperature; design review should also confirm input voltage, output voltage, and load current. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -25°C ~ 80°C. Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA2803B is currently in active production through Fairchild Semiconductor's standard distribution channels.8-DIP (0.300", 7.62mm)9.750 In Stock$0.4877ACTIVERFQ
KA2803BDSpecialized Power ManagementThe KA2803BD is a specialized power management IC manufactured by Fairchild Semiconductor. Key technical specifications include 12V ~ 20V input voltage, 400µA quiescent current, and -25°C ~ 80°C operating temperature; design review should also confirm input voltage, output voltage, and load current. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -25°C ~ 80°C. Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA2803BD 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 sourcingRFQOBSOLETERFQ
KA2803BDTFSpecialized Power ManagementThe KA2803BDTF is a specialized power management IC manufactured by Fairchild Semiconductor. Key technical specifications include 12V ~ 20V input voltage, 400µA quiescent current, and -25°C ~ 80°C operating temperature; design review should also confirm input voltage, output voltage, and load current. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -25°C ~ 80°C. Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA2803BDTF is currently in active production through Fairchild Semiconductor's standard distribution channels.8-SOIC (0.154", 3.90mm Width)1.424 In Stock$0.7800ACTIVERFQ
KA2803CDTFSpecialized Power ManagementThe KA2803CDTF is a specialized power management IC manufactured by Fairchild Semiconductor. Key technical specifications include 12V ~ 20V input voltage, 400µA quiescent current, and -25°C ~ 100°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and load current. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -25°C ~ 100°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA2803CDTF is currently in active production through Fairchild Semiconductor's standard distribution channels.8-SOIC (0.154", 3.90mm Width)29.303 In Stock$0.4184ACTIVERFQ
KA2807DSpecialized Power ManagementThe KA2807D is a specialized power management IC manufactured by Fairchild Semiconductor. Technical highlights include 19mA quiescent current and -40°C ~ 70°C 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 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 70°C. Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA2807D 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 sourcingRFQOBSOLETERFQ
KA2807DTFSpecialized Power ManagementThe KA2807DTF is a specialized power management IC manufactured by Fairchild Semiconductor. Technical highlights include 19mA quiescent current and -40°C ~ 70°C 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 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 70°C. Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA2807DTF 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$0.3445OBSOLETERFQ
KA2807MUXSpecialized Power ManagementThe KA2807MUX is a specialized power management IC manufactured by Fairchild Semiconductor. Technical highlights include 19mA quiescent current and -40°C ~ 70°C 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 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) package and is rated for operation across -40°C ~ 70°C. Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the KA2807MUX is currently in active production through Fairchild Semiconductor's standard distribution channels.8-TSSOP, 8-MSOP (0.118", 3.00mm Width)11.685 In Stock$1.65ACTIVERFQ
KA2901DTFAnalog ComparatorsThe KA2901DTF is an analog comparator manufactured by Fairchild Semiconductor. Design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the KA2901DTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcing$0.2259OBSOLETERFQ
KA2902DOp Amps & Instrumentation AmplifiersThe KA2902D is an instrumentation amplifier manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm amplifier gain, bandwidth, ADC or DAC signal-chain fit, supply voltage, and operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for audio systems, instrumentation, and medical devices applications, the KA2902D is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcingRFQOBSOLETERFQ
KA2902DMTFOp Amps & Instrumentation AmplifiersThe KA2902DMTF is an instrumentation amplifier manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm amplifier gain, bandwidth, ADC or DAC signal-chain fit, supply voltage, and operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for audio systems, instrumentation, and medical devices applications, the KA2902DMTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcingRFQOBSOLETERFQ

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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