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Richtek USA

Richtek USA is a semiconductor manufacturer producing Linear Regulators (LDO), DC-DC Switching Regulators, LED Drivers, Power Distribution Switches, Supervisors & Reset ICs. FPGACenter stocks 1,859 Richtek USA products with global sourcing capabilities, quality inspection, and competitive pricing. All Richtek USA components sourced through FPGACenter are 100% original with full traceability documentation.

1.859
Total Parts
1.602
In Stock
20
Categories
1.602
Active
254
EOL/Obsolete

Key Product Lines

Linear Regulators (LDO)DC-DC Switching RegulatorsLED DriversPower Distribution SwitchesSupervisors & Reset ICs

✅ Why Source Richtek USA from FPGACenter

FPGACenter carries 1,859 Richtek USA part numbers. Submit an RFQ for volume pricing and lead time on any Richtek USA component.

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Richtek USA Product Categories

Linear Regulators (LDO) (640)DC-DC Switching Regulators (585)LED Drivers (117)Power Distribution Switches (115)Supervisors & Reset ICs (100)DC-DC Switching Controllers (100)Special Purpose ICs (63)Linear & Switching Controllers (47)Gate Drivers (27)Battery Chargers (18)Battery Management ICs (12)Specialized Power Management (12)AC-DC Converters & Offline Switchers (7)PFC Controllers (4)Linear Regulator Controllers (3)Op Amps & Instrumentation Amplifiers (3)Motor Drivers & Controllers (2)Audio Amplifiers (2)Voltage References (1)Hot Swap Controllers (1)

All Richtek USA Products

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Part NumberCategoryDescriptionPackageStockPriceStatus
RT9161-15GXLinear Regulators (LDO)The RT9161-15GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161-15GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA2.593 In StockRFQACTIVERFQ
RT9161-25GVLinear Regulators (LDO)The RT9161-25GV is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161-25GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-31.608 In StockRFQACTIVERFQ
RT9161-25GXLinear Regulators (LDO)The RT9161-25GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161-25GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA2.375 In StockRFQACTIVERFQ
RT9161-33GVLinear Regulators (LDO)The RT9161-33GV is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161-33GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-36.609 In Stock$0.3240ACTIVERFQ
RT9161-33GXLinear Regulators (LDO)The RT9161-33GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161-33GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA2.229 In StockRFQACTIVERFQ
RT9161-45GVLinear Regulators (LDO)The RT9161-45GV is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161-45GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-32.725 In StockRFQACTIVERFQ
RT9161-50GXLinear Regulators (LDO)The RT9161-50GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161-50GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA2.662 In StockRFQACTIVERFQ
RT9161A-18GGLinear Regulators (LDO)The RT9161A-18GG is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-261-4, TO-261AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-18GG is currently in active production through Richtek USA's standard distribution channels.TO-261-4, TO-261AA1.600 In StockRFQACTIVERFQ
RT9161A-18GVLinear Regulators (LDO)The RT9161A-18GV is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-18GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-32.120 In StockRFQACTIVERFQ
RT9161A-18GXLinear Regulators (LDO)The RT9161A-18GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-18GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA1.500 In StockRFQACTIVERFQ
RT9161A-25GGLinear Regulators (LDO)The RT9161A-25GG is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-261-4, TO-261AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-25GG is currently in active production through Richtek USA's standard distribution channels.TO-261-4, TO-261AA7.500 In Stock$0.6228ACTIVERFQ
RT9161A-25GVLinear Regulators (LDO)The RT9161A-25GV is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-25GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-31.984 In StockRFQACTIVERFQ
RT9161A-28GVLinear Regulators (LDO)The RT9161A-28GV is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-28GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-3914 In StockRFQACTIVERFQ
RT9161A-28GXLinear Regulators (LDO)The RT9161A-28GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-28GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA1.870 In StockRFQACTIVERFQ
RT9161A-30GXLinear Regulators (LDO)The RT9161A-30GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-30GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA2.893 In StockRFQACTIVERFQ
RT9161A-33GGLinear Regulators (LDO)The RT9161A-33GG is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-261-4, TO-261AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-33GG is currently in active production through Richtek USA's standard distribution channels.TO-261-4, TO-261AA1.141 In StockRFQACTIVERFQ
RT9161A-33GVLinear Regulators (LDO)The RT9161A-33GV is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-33GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-35.028 In Stock$0.3240ACTIVERFQ
RT9161A-33GXLinear Regulators (LDO)The RT9161A-33GX is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-243AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-33GX is currently in active production through Richtek USA's standard distribution channels.TO-243AA2.856 In StockRFQACTIVERFQ
RT9161A-35GGLinear Regulators (LDO)The RT9161A-35GG is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-261-4, TO-261AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-35GG is currently in active production through Richtek USA's standard distribution channels.TO-261-4, TO-261AA2.371 In StockRFQACTIVERFQ
RT9161A-50GGLinear Regulators (LDO)The RT9161A-50GG is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) 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-261-4, TO-261AA package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9161A-50GG is currently in active production through Richtek USA's standard distribution channels.TO-261-4, TO-261AA1.684 In StockRFQACTIVERFQ

Frequently Asked Questions

Where can I buy Richtek USA electronic components?

FPGACenter stocks 1.859 Richtek USA part numbers with 1.602 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 Richtek USA parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 254 end-of-life/obsolete Richtek USA part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Richtek USA products does FPGACenter carry?

We stock Richtek USA products across 20 categories including Linear Regulators (LDO), DC-DC Switching Regulators, LED Drivers, Power Distribution Switches. Browse our full catalog or contact our sourcing team for any specific Richtek USA part number.

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