Supervisors

Browse available Supervisors part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Programmable	Type	Number of Voltages Monitored	Voltage - Threshold	Output	Reset	Reset Timeout	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
RT9818C-20GV IC SUPERVISOR 1 CHANNEL SOT23-3 Richtek USA Inc.	4,714	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3
RT9818C-25GB IC SUPERVISOR 1 CHANNEL SOT23-5 Richtek USA Inc.	3,354	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.5V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
RT9818C-27GB IC SUPERVISOR 1 CHANNEL SOT23-5 Richtek USA Inc.	1,631	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.7V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
RT9818C-27GVL IC SUPERVISOR 1 CHANNEL SOT23-3L Richtek USA Inc.	1,092	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.7V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3L
RT9818C-29GB IC SUPERVISOR 1 CHANNEL SOT23-5 Richtek USA Inc.	3,569	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.9V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
RT9818C-29GU3 IC SUPERVISOR 1 CHANNEL SC70-3 Richtek USA Inc.	1,568	-	RFQ	Datasheet	-	SC-70, SOT-323	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.9V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SC-70-3
RT9818C-31GU3 IC SUPERVISOR 1 CHANNEL SC70-3 Richtek USA Inc.	4,136	-	RFQ	Datasheet	-	SC-70, SOT-323	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	3.1V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SC-70-3
RT9818C-33GVL IC SUPERVISOR 1 CHANNEL SOT23-3L Richtek USA Inc.	2,975	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	3.3V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3L
RT9818C-35GV IC SUPERVISOR 1 CHANNEL SOT23-3 Richtek USA Inc.	1,467	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	3.5V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3
RT9818C-41GVL IC SUPERVISOR 1 CHANNEL SOT23-3L Richtek USA Inc.	1,409	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	4.1V	Open Drain or Open Collector	Active Low	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3L
RT9818D-26GV IC SUPERVISOR 1 CHANNEL SOT23-3 Richtek USA Inc.	1,647	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.6V	Open Drain or Open Collector	Active Low	292ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3
RT9818D-33GV IC SUPERVISOR 1 CHANNEL SOT23-3 Richtek USA Inc.	3,010	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	3.3V	Open Drain or Open Collector	Active Low	292ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3
RT9818E-20GVL IC SUPERVISOR 1 CHANNEL SOT23-3L Richtek USA Inc.	1,107	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2V	Open Drain or Open Collector	Active High	0ms Typical	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3L
RT9818E-20GY IC SUPERVISOR 1 CHANNEL SC82 Richtek USA Inc.	3,507	-	RFQ	Datasheet	-	SC-82	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2V	Open Drain or Open Collector	Active High	0ms Typical	-40°C ~ 85°C (TA)	-	-	Surface Mount	SC-82
RT9818E-27GY IC SUPERVISOR 1 CHANNEL SC82 Richtek USA Inc.	1,212	-	RFQ	Datasheet	-	SC-82	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.7V	Open Drain or Open Collector	Active High	0ms Typical	-40°C ~ 85°C (TA)	-	-	Surface Mount	SC-82
RT9818E-30GV IC SUPERVISOR 1 CHANNEL SOT23-3 Richtek USA Inc.	2,540	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	3V	Open Drain or Open Collector	Active High	0ms Typical	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3
RT9818G-20GVL IC SUPERVISOR 1 CHANNEL SOT23-3L Richtek USA Inc.	4,066	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2V	Open Drain or Open Collector	Active High	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3L
RT9818G-20GY IC SUPERVISOR 1 CHANNEL SC82 Richtek USA Inc.	3,709	-	RFQ	Datasheet	-	SC-82	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2V	Open Drain or Open Collector	Active High	143ms Minimum	-40°C ~ 85°C (TA)	-	-	Surface Mount	SC-82
RT9819A-24GVL IC SUPERVISOR 1 CHANNEL SOT23-3L Richtek USA Inc.	1,348	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.4V	Push-Pull, Totem Pole	Active Low	0ms Typical	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3L
RT9819A-27GV IC SUPERVISOR 1 CHANNEL SOT23-3 Richtek USA Inc.	2,613	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	Not Verified	Simple Reset/Power-On Reset	1	2.7V	Push-Pull, Totem Pole	Active Low	0ms Typical	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3

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FREQUENTLY ASKED QUESTIONS

Supervisors FAQ

Common questions about selecting, comparing and sourcing Supervisors components through Winsun (HK) Electronics.

What should I check when selecting Supervisors components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Supervisors part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Supervisors parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Supervisors components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.