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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
KA5H0365RYDTUAC-DC Converters & Offline SwitchersThe KA5H0365RYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5H0365RYDTU 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$2.27OBSOLETERFQ
KA5H0380RTUAC-DC Converters & Offline SwitchersThe KA5H0380RTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5H0380RTU is currently in active production through Fairchild Semiconductor's standard distribution channels.TO-220-4 Full Pack14.476 In Stock$1.25ACTIVERFQ
KA5H0380RYDTUAC-DC Converters & Offline SwitchersThe KA5H0380RYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5H0380RYDTU is currently in active production through Fairchild Semiconductor's standard distribution channels.TO-220-4 Full Pack, Formed Leads1.949 In Stock$4.86ACTIVERFQ
KA5L0165RNAC-DC Converters & Offline SwitchersThe KA5L0165RN is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost 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 KA5L0165RN is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)RFQ for sourcing$0.4842OBSOLETERFQ
KA5L0265RYDTUAC-DC Converters & Offline SwitchersThe KA5L0265RYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5L0265RYDTU 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
KA5L0365RNAC-DC Converters & Offline SwitchersThe KA5L0365RN is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5L0365RN is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)RFQ for sourcing$0.8769OBSOLETERFQ
KA5L0380RYDTUAC-DC Converters & Offline SwitchersThe KA5L0380RYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5L0380RYDTU is currently in active production through Fairchild Semiconductor's standard distribution channels.TO-220-4 Full Pack, Formed Leads2.743 In Stock$8.94ACTIVERFQ
KA5M02659RNAC-DC Converters & Offline SwitchersThe KA5M02659RN is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost 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 KA5M02659RN is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)RFQ for sourcing$0.0090OBSOLETERFQ
KA5M0365RTUAC-DC Converters & Offline SwitchersThe KA5M0365RTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5M0365RTU is currently in active production through Fairchild Semiconductor's standard distribution channels.TO-220-4 Full Pack2.256 In Stock$3.69ACTIVERFQ
KA5M0365RYDTUAC-DC Converters & Offline SwitchersThe KA5M0365RYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5M0365RYDTU is currently in active production through Fairchild Semiconductor's standard distribution channels.TO-220-4 Full Pack, Formed Leads12.000 In Stock$6.38ACTIVERFQ
KA5M0380RTUAC-DC Converters & Offline SwitchersThe KA5M0380RTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5M0380RTU is currently in active production through Fairchild Semiconductor's standard distribution channels.TO-220-4 Full Pack23.707 In Stock$0.6917ACTIVERFQ
KA5M0380RYDTUAC-DC Converters & Offline SwitchersThe KA5M0380RYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology 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 -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5M0380RYDTU is currently in active production through Fairchild Semiconductor's standard distribution channels.TO-220-4 Full Pack, Formed Leads551 In StockRFQACTIVERFQ
KA5M0965QTUAC-DC Converters & Offline SwitchersThe KA5M0965QTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-3P-5 package and is rated for operation across -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5M0965QTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-3P-5RFQ for sourcing$3.40OBSOLETERFQ
KA5M0965QYDTUAC-DC Converters & Offline SwitchersThe KA5M0965QYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-3P-5 Formed Leads package and is rated for operation across -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5M0965QYDTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-3P-5 Formed LeadsRFQ for sourcingRFQOBSOLETERFQ
KA5Q0765RTYDTUAC-DC Converters & Offline SwitchersThe KA5Q0765RTYDTU is an AC-DC converter manufactured by Fairchild Semiconductor. Technical highlights include -25°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-5 Full Pack, Formed Leads package and is rated for operation across -25°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA5Q0765RTYDTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-5 Full Pack, Formed LeadsRFQ for sourcing$7.90OBSOLETERFQ
KA723Linear Regulators (LDO)The KA723 is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 70°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 14-DIP (0.300", 7.62mm) package and is rated for operation across 0°C ~ 70°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA723 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.14-DIP (0.300", 7.62mm)RFQ for sourcing$0.6842OBSOLETERFQ
KA723DLinear Regulators (LDO)The KA723D is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 70°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 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 70°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA723D 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$0.7000OBSOLETERFQ
KA723DTFLinear Regulators (LDO)The KA723DTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 70°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 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 70°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA723DTF 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$0.5712OBSOLETERFQ
KA741Op Amps & Instrumentation AmplifiersThe KA741 is an instrumentation amplifier manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 70°C operating temperature; design review should confirm amplifier gain, bandwidth, ADC or DAC signal-chain fit, supply voltage, and operating temperature limits. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across 0°C ~ 70°C. Designed for audio systems, instrumentation, and medical devices applications, the KA741 is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)RFQ for sourcingRFQOBSOLETERFQ
KA741IOp Amps & Instrumentation AmplifiersThe KA741I 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 Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C. Designed for audio systems, instrumentation, and medical devices applications, the KA741I is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)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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