Supervisory Circuits – Mouser United Kingdom

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APX803S/809S/810S MPU Supervisor Circuits

Diodes Inc. APX803S/809S/810S MPU Supervisor Circuits are used to monitor power supplies in μP, μC, and digital systems. The APX803S provides excellent circuit reliability and low cost by eliminating external components. The circuits are available with different reset thresholds designed to support different supply voltages (+5V, +3.3V, +3.0V, and +2.5V). These circuits assert a reset signal whenever the V_CC supply voltage falls below a preset threshold. This keeps it asserted for at least 240ms after V_CC has risen above the reset threshold.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Mounting Style	Package/Case	Threshold Voltage	Number of Inputs Monitored	Output Type	Manual Reset	Watchdog Timers	Battery Backup Switching	Reset Delay Time	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Supervisory Circuits 3.08V, 240ms MPU Reset Circuit APX803S-31SA-7 Diodes Incorporated 1: £0.203 36,894In Stock 108,000Expected 21/05/2027	Mfr. Part No. APX803S-31SA-7 Mouser Part No 621-APX803S-31SA-7	Diodes Incorporated	Supervisory Circuits 3.08V, 240ms MPU Reset Circuit Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	36,894In Stock 108,000Expected 21/05/2027	Cut Tape £0.203 £0.153 £0.13 £0.115 View Reel £0.089 £0.11 £0.107 £0.103 £0.089 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,230 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	3.08 V	1 Input	Active Low, Open Drain	No Manual Reset	No Watchdog	No Backup	240 ms	5.5 V	- 40 C	+ 85 C	APX803S	Reel, Cut Tape, MouseReel
Supervisory Circuits 2.93V, 1.7ms MPU Reset Circuit APX803S00-29SR-7 Diodes Incorporated 1: £0.217 2,320In Stock 3,000Expected 21/05/2027	Mfr. Part No. APX803S00-29SR-7 Mouser Part No 621-APX803S00-29SR-7	Diodes Incorporated	Supervisory Circuits 2.93V, 1.7ms MPU Reset Circuit Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	2,320In Stock 3,000Expected 21/05/2027	Cut Tape £0.217 £0.15 £0.122 £0.114 Reel £0.079 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active Low, Open Drain	No Manual Reset	No Watchdog	No Backup	1.7 ms	5.5 V	- 40 C	+ 85 C	APX803S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX809S-29SA-7 Diodes Incorporated 1: £0.21 55In Stock 111,000On Order	Mfr. Part No. APX809S-29SA-7 Mouser Part No 621-APX809S-29SA-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	55In Stock 111,000On Order On Order Ship Dates Mfr. No: APX809S-29SA-7 Stock: 55 Can Dispatch Immediately On Order: 69,000 Expected 21/05/2027 42,000 Expected 02/06/2027 Factory Lead Time: 52 Weeks	Cut Tape £0.21 £0.142 £0.115 £0.107 Reel £0.084 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,020 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active Low, Push-Pull	No Manual Reset	No Watchdog	No Backup	240 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX809S-29SR-7 Diodes Incorporated 1: £0.217 112In Stock	Mfr. Part No. APX809S-29SR-7 Mouser Part No 621-APX809S-29SR-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	112In Stock	Cut Tape £0.217 £0.15 £0.122 £0.114 View Reel £0.084 £0.10 £0.098 £0.093 £0.084 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active Low, Push-Pull	No Manual Reset	No Watchdog	No Backup	240 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX809S05-29SA-7 Diodes Incorporated 1: £0.203 5,451In Stock	Mfr. Part No. APX809S05-29SA-7 Mouser Part No 621-APX809S05-29SA-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	5,451In Stock	Cut Tape £0.203 £0.136 £0.115 £0.102 View Reel £0.079 £0.098 £0.095 £0.093 £0.079 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active Low, Push-Pull	No Manual Reset	No Watchdog	No Backup	50 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX810S-44SA-7 Diodes Incorporated 1: £0.203 5,194In Stock	Mfr. Part No. APX810S-44SA-7 Mouser Part No 621-APX810S-44SA-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	5,194In Stock	Cut Tape £0.203 £0.136 £0.115 £0.102 View Reel £0.079 £0.098 £0.095 £0.093 £0.079 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active High, Push-Pull	No Manual Reset	No Watchdog	No Backup	240 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX810S-44SR-7 Diodes Incorporated 1: £0.203 1,798In Stock	Mfr. Part No. APX810S-44SR-7 Mouser Part No 621-APX810S-44SR-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	1,798In Stock	Cut Tape £0.203 £0.136 £0.115 £0.102 View Reel £0.077 £0.098 £0.095 £0.093 £0.077 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	4.38 V	1 Input	Active High, Push-Pull	No Manual Reset	No Watchdog	No Backup	240 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX810S00-29SR-7 Diodes Incorporated 1: £0.203 1,849In Stock	Mfr. Part No. APX810S00-29SR-7 Mouser Part No 621-APX810S00-29SR-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	1,849In Stock	Cut Tape £0.203 £0.136 £0.115 £0.102 View Reel £0.075 £0.098 £0.095 £0.093 £0.075 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active High, Push-Pull	No Manual Reset	No Watchdog	No Backup	1.7 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX810S05-29SR-7 Diodes Incorporated 1: £0.196 744In Stock	Mfr. Part No. APX810S05-29SR-7 Mouser Part No 621-APX810S05-29SR-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	744In Stock	Cut Tape £0.196 £0.131 £0.115 £0.099 View Reel £0.075 £0.09 £0.085 £0.081 £0.075 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active High, Push-Pull	No Manual Reset	No Watchdog	No Backup	1.7 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX810S-29SA-7 Diodes Incorporated 1: £0.225 2In Stock 3,000Expected 02/06/2027	Mfr. Part No. APX810S-29SA-7 Mouser Part No 621-APX810S-29SA-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	2In Stock 3,000Expected 02/06/2027	Cut Tape £0.225 £0.152 £0.126 £0.115 View Reel £0.08 £0.112 £0.11 £0.109 £0.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active High, Push-Pull	No Manual Reset	No Watchdog	No Backup	240 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel
Supervisory Circuits 3-pin MPU Power Voltage Detector APX809S00-29SA-7 Diodes Incorporated 1: £0.203 8,505Expected 21/05/2027	Mfr. Part No. APX809S00-29SA-7 Mouser Part No 621-APX809S00-29SA-7	Diodes Incorporated	Supervisory Circuits 3-pin MPU Power Voltage Detector Learn More about Diodes Incorporated diodes apx803s 809s 810s circuits	Datasheet	8,505Expected 21/05/2027	Cut Tape £0.203 £0.14 £0.119 £0.105 View Reel £0.083 £0.10 £0.098 £0.093 £0.083 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	Voltage Monitor	SMD/SMT	SOT-23-3	2.93 V	1 Input	Active Low, Push-Pull	No Manual Reset	No Watchdog	No Backup	1.7 ms	5.5 V	- 40 C	+ 125 C	APX809S/810S	Reel, Cut Tape, MouseReel

APX803S/809S/810S MPU Supervisor Circuits

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APX803S/809S/810S MPU Supervisor Circuits

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