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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
RT9172-18GMLinear Regulators (LDO)The RT9172-18GM is an LDO voltage regulator manufactured by Richtek USA. 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-263-4, D²Pak (3 Leads + Tab), TO-263AA package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9172-18GM is currently in active production through Richtek USA's standard distribution channels.TO-263-4, D²Pak (3 Leads + Tab), TO-263AA1.498 In StockRFQACTIVERFQ
RT9172-25GGLinear Regulators (LDO)The RT9172-25GG is an LDO voltage regulator manufactured by Richtek USA. 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-261-4, TO-261AA package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9172-25GG is currently in active production through Richtek USA's standard distribution channels.TO-261-4, TO-261AA2.962 In Stock$1.45ACTIVERFQ
RT9172-25GMLinear Regulators (LDO)The RT9172-25GM is an LDO voltage regulator manufactured by Richtek USA. 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-263-4, D²Pak (3 Leads + Tab), TO-263AA package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9172-25GM is currently in active production through Richtek USA's standard distribution channels.TO-263-4, D²Pak (3 Leads + Tab), TO-263AA2.430 In StockRFQACTIVERFQ
RT9172-33GMLinear Regulators (LDO)The RT9172-33GM is an LDO voltage regulator manufactured by Richtek USA. 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-263-4, D²Pak (3 Leads + Tab), TO-263AA package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9172-33GM is currently in active production through Richtek USA's standard distribution channels.TO-263-4, D²Pak (3 Leads + Tab), TO-263AA1.850 In Stock$5.38ACTIVERFQ
RT9173AGL5Special Purpose ICsThe RT9173AGL5 is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.6V ~ 6V supply voltage and -40°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a TO-252-6, DPak (5 Leads + Tab) package and is rated for operation across -40°C ~ 125°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173AGL5 is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-252-6, DPak (5 Leads + Tab)RFQ for sourcing$2.32OBSOLETERFQ
RT9173AGM5Special Purpose ICsThe RT9173AGM5 is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.6V ~ 6V supply voltage and -40°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package and is rated for operation across -40°C ~ 125°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173AGM5 is currently in active production through Richtek USA's standard distribution channels.TO-263-6, D²Pak (5 Leads + Tab), TO-263BA2.118 In StockRFQACTIVERFQ
RT9173APM5Special Purpose ICsThe RT9173APM5 is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.6V ~ 6V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package and is rated for operation across -40°C ~ 85°C (TA). Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173APM5 is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-263-6, D²Pak (5 Leads + Tab), TO-263BARFQ for sourcing$15.38OBSOLETERFQ
RT9173BGL5Special Purpose ICsThe RT9173BGL5 is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.7V ~ 6V supply voltage and -40°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a TO-252-6, DPak (5 Leads + Tab) package and is rated for operation across -40°C ~ 125°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173BGL5 is currently in active production through Richtek USA's standard distribution channels.TO-252-6, DPak (5 Leads + Tab)2.068 In StockRFQACTIVERFQ
RT9173BGSSpecial Purpose ICsThe RT9173BGS is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.7V ~ 6V supply voltage and -40°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, 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 -40°C ~ 125°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173BGS is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width)1.393 In Stock$3.18ACTIVERFQ
RT9173CGSPSpecial Purpose ICsThe RT9173CGSP is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.46V ~ 2.5V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) Exposed Pad package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173CGSP is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width) Exposed Pad1.387 In Stock$2.50ACTIVERFQ
RT9173GSSpecial Purpose ICsThe RT9173GS is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.6V ~ 6V supply voltage and -40°C ~ 125°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, 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 -40°C ~ 125°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173GS is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width)1.473 In StockRFQACTIVERFQ
RT9173PSSpecial Purpose ICsThe RT9173PS is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 1.6V ~ 2.5V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, 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 -40°C ~ 85°C (TA). Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9173PS is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width)598 In StockRFQACTIVERFQ
RT9174GSLinear Regulator ControllersThe RT9174GS is an LDO voltage regulator manufactured by Richtek USA. Key technical specifications include 3V ~ 8V input voltage, 800µA quiescent current, and -40°C ~ 125°C operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This standard 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 RT9174GS is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width)2.188 In StockRFQACTIVERFQ
RT9178-25GBLinear Regulators (LDO)The RT9178-25GB is an LDO voltage regulator manufactured by Richtek USA. 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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9178-25GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7532.633 In Stock$0.6521ACTIVERFQ
RT9178-26GBLinear Regulators (LDO)The RT9178-26GB is an LDO voltage regulator manufactured by Richtek USA. 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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9178-26GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-753921 In Stock$0.6521ACTIVERFQ
RT9178-2HGBLinear Regulators (LDO)The RT9178-2HGB is an LDO voltage regulator manufactured by Richtek USA. 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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9178-2HGB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7531.264 In Stock$0.6521ACTIVERFQ
RT9178-30GBLinear Regulators (LDO)The RT9178-30GB is an LDO voltage regulator manufactured by Richtek USA. 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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9178-30GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7531.395 In Stock$0.6521ACTIVERFQ
RT9179AGSLinear Regulators (LDO)The RT9179AGS is an LDO voltage regulator manufactured by Richtek USA. 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 RT9179AGS is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width)7.485 In Stock$1.21ACTIVERFQ
RT9181-18GBLinear Regulators (LDO)The RT9181-18GB is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 110°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 110°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9181-18GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-753654 In StockRFQACTIVERFQ
RT9181GBLinear Regulators (LDO)The RT9181GB is an LDO voltage regulator manufactured by Richtek USA. Technical highlights include -40°C ~ 110°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 110°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT9181GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7531.791 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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