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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

Page 87 of 93
Part NumberCategoryDescriptionPackageStockPriceStatus
RT9818A-33GVLSupervisors & Reset ICsThe RT9818A-33GVL is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 3.3V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-33GVL is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-236-3, SC-59, SOT-23-3RFQ for sourcing$0.8363OBSOLETERFQ
RT9818A-34GU3Supervisors & Reset ICsThe RT9818A-34GU3 is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 3.4V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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 an SC-70, SOT-323 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-34GU3 is currently in active production through Richtek USA's standard distribution channels.SC-70, SOT-3231.747 In StockRFQACTIVERFQ
RT9818A-34GVSupervisors & Reset ICsThe RT9818A-34GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 3.4V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-34GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-31.686 In StockRFQACTIVERFQ
RT9818A-36GYSupervisors & Reset ICsThe RT9818A-36GY is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 3.6V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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 an SC-82 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-36GY is currently in active production through Richtek USA's standard distribution channels.SC-822.845 In StockRFQACTIVERFQ
RT9818A-37GBSupervisors & Reset ICsThe RT9818A-37GB is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 3.7V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-37GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-75337.688 In Stock$4.95ACTIVERFQ
RT9818A-40GBSupervisors & Reset ICsThe RT9818A-40GB is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 4V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-40GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7532.446 In StockRFQACTIVERFQ
RT9818A-40GVSupervisors & Reset ICsThe RT9818A-40GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 4V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-40GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-3599 In StockRFQACTIVERFQ
RT9818A-50GVLSupervisors & Reset ICsThe RT9818A-50GVL is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 5V voltage threshold, 1 monitored voltage, 0ms Typical reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818A-50GVL is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-236-3, SC-59, SOT-23-3RFQ for sourcingRFQOBSOLETERFQ
RT9818B-18GU3Supervisors & Reset ICsThe RT9818B-18GU3 is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 1.8V voltage threshold, 1 monitored voltage, 35ms Minimum reset timeout, and -40°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 an SC-70, SOT-323 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818B-18GU3 is currently in active production through Richtek USA's standard distribution channels.SC-70, SOT-3231.914 In StockRFQACTIVERFQ
RT9818B-18GVSupervisors & Reset ICsThe RT9818B-18GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 1.8V voltage threshold, 1 monitored voltage, 35ms Minimum reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818B-18GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-37.200 In Stock$0.2169ACTIVERFQ
RT9818B-27GBSupervisors & Reset ICsThe RT9818B-27GB is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 2.7V voltage threshold, 1 monitored voltage, 35ms Minimum reset timeout, and -40°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818B-27GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7531.101 In StockRFQACTIVERFQ
RT9818B-27GU3Supervisors & Reset ICsThe RT9818B-27GU3 is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 2.7V voltage threshold, 1 monitored voltage, 35ms Minimum reset timeout, and -40°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 an SC-70, SOT-323 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818B-27GU3 is currently in active production through Richtek USA's standard distribution channels.SC-70, SOT-3231.815 In StockRFQACTIVERFQ
RT9818B-30GBSupervisors & Reset ICsThe RT9818B-30GB is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 3V voltage threshold, 1 monitored voltage, 35ms Minimum reset timeout, and -40°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818B-30GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7532.740 In StockRFQACTIVERFQ
RT9818B-35GBSupervisors & Reset ICsThe RT9818B-35GB is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 3.5V voltage threshold, 1 monitored voltage, 35ms Minimum reset timeout, and -40°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818B-35GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7539.000 In Stock$0.2713ACTIVERFQ
RT9818C-12GVSupervisors & Reset ICsThe RT9818C-12GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 1.2V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818C-12GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-31.943 In StockRFQACTIVERFQ
RT9818C-15GVSupervisors & Reset ICsThe RT9818C-15GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 1.5V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818C-15GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-31.029 In StockRFQACTIVERFQ
RT9818C-20GVSupervisors & Reset ICsThe RT9818C-20GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 2V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818C-20GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-31.608 In StockRFQACTIVERFQ
RT9818C-25GBSupervisors & Reset ICsThe RT9818C-25GB is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 2.5V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818C-25GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-7532.093 In StockRFQACTIVERFQ
RT9818C-26GVSupervisors & Reset ICsThe RT9818C-26GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 2.6V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°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-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818C-26GV is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-236-3, SC-59, SOT-23-3RFQ for sourcing$0.3593OBSOLETERFQ
RT9818C-27GBSupervisors & Reset ICsThe RT9818C-27GB is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Open Drain or Open Collector output type, 2.7V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°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 an SC-74A, SOT-753 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9818C-27GB is currently in active production through Richtek USA's standard distribution channels.SC-74A, SOT-753722 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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