APX803L Micro Power Voltage Detectors

Diodes Incorporated APX803L Micro Power Voltage Detectors are designed for monitoring the power supplies in microprocessors (μP), μC, and digital systems. The APX803L requires a low supply current of only 1.0μA which minimizes the operating current, improving system efficiency on portable, battery-powered devices. High threshold voltage accuracy of +1.5% on the device allows precise VCC reset thresholds. The device circuits perform supervisory functions by sending out a reset signal when the monitored VCC level falls below the chosen threshold voltage level. The reset signal will remain until VCC recovers to a level higher than the threshold voltage, completing the cycle. Another benefit provided is an open-drain output with an active-low output pin that features several delay time options (0ms, 55ms, 220ms, and 450ms) as needed by the system. The packages of 3-pin SOT23, SOT323, SC59, SOT25, and two-pin variants are available on the APX803L Voltage Detectors.

Results: 56
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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 Accuracy Series Packaging

Diodes Incorporated Supervisory Circuits 2.7V, 220ms Reset Generator 3,805In Stock
24,000On Order
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.081
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.7 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.7V, 220ms Reset Generator 1,997In Stock
3,000Expected 16/11/2026
Cut Tape
£0.217
£0.15
£0.122
£0.114
Reel
£0.088
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23R-3 2.7 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.8V, 220ms Reset Generator 4,026In Stock
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.087
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.8 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.1V, 220ms Reset Generator 2,916In Stock
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.078
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3.1 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.3V, 220ms Reset Generator 121In Stock
Cut Tape
£0.473
£0.201
£0.177
£0.09
Reel
£0.072
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3.3 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.6V, 220ms Reset Generator 3,170In Stock
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.079
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3.6 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 4.1V, 220ms Reset Generator 155In Stock
3,000Expected 11/06/2027
Cut Tape
£0.217
£0.15
£0.122
£0.114
Reel
£0.084
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 4.1 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 4.2V, 220ms Reset Generator 31In Stock
3,000Expected 01/12/2027
Cut Tape
£0.21
£0.142
£0.115
£0.102
Reel
£0.079
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 4.2 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 4.4V, 220ms Reset Generator 2,830In Stock
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.075
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 4.4 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.6V, 450ms Reset Generator 3,971In Stock
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.087
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.6 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 450 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.7V, 450ms Reset Generator 5,475In Stock
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.079
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.7 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 450 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits Reset Generator 2,974In Stock
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.075
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23R-3 2.7 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 450 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.0V, 450ms Reset Generator 1,523In Stock
24,000Expected 22/09/2027
Cut Tape
£0.21
£0.145
£0.115
£0.099
Reel
£0.084
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 450 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.3V, 450ms Reset Generator 3,378In Stock
Cut Tape
£0.196
£0.131
£0.115
£0.099
Reel
£0.087
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3.3 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 450 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.0V, 55ms Reset Generator 11In Stock
6,000Expected 21/05/2027
Cut Tape
£0.21
£0.142
£0.115
£0.107
Reel
£0.084
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 55 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 1.8V, 220ms Reset Generator 4In Stock
9,000On Order
Cut Tape
£0.24
£0.16
£0.133
£0.12
Reel
£0.094
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 1.8 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.6V, 0ms Reset Generator 13In Stock
Cut Tape
£0.217
£0.145
£0.115
£0.105
Reel
£0.073
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3.6 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.9V, 220ms Reset Generator
25,215Expected 21/05/2027
Cut Tape
£0.233
£0.158
£0.129
£0.12
Reel
£0.094
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.9 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.8V, 55ms Reset Generator
2,999Expected 13/08/2027
Cut Tape
£0.203
£0.136
£0.115
£0.102
Reel
£0.075
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.8 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 55 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 1.6V, 220ms Reset Generator
3,000Expected 21/05/2027
Cut Tape
£0.203
£0.14
£0.119
£0.114
Reel
£0.084
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 1.6 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.3V, 220ms Reset Generator
3,000Expected 21/05/2027
Cut Tape
£0.217
£0.145
£0.119
£0.107
Reel
£0.084
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.3 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel
Diodes Incorporated Supervisory Circuits Reset Generator
6,000Expected 16/07/2027
Cut Tape
£0.248
£0.168
£0.142
£0.137
Reel
£0.101
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-323-3 2.9 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 3.0V, 220ms Reset Generator
8,877On Order
Cut Tape
£0.217
£0.145
£0.119
£0.107
Reel
£0.084
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
Voltage Detector SMD/SMT SOT-23-3 3 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 4.3V, 220ms Reset Generator
3,000Expected 14/07/2027
Cut Tape
£0.21
£0.142
£0.115
£0.107
Reel
£0.084
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 4.3 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 220 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel

Diodes Incorporated Supervisory Circuits 2.9V, 450ms Reset Generator
8,035On Order
Cut Tape
£0.203
£0.135
£0.115
£0.101
Reel
£0.074
Min.: 1
Mult.: 1
: 3,000
Voltage Detector SMD/SMT SOT-23-3 2.9 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 450 ms 5.5 V - 40 C + 150 C 1.5 % APX803L Reel, Cut Tape, MouseReel