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We offer a broad range of voltage supervisors and voltage supervisor ICs from multiple manufacturers.

A voltage supervisor, or voltage supervisor IC, is a device that monitors or supervises a voltage rail and asserts a signal to enable, disable, or reset another device when that monitored rail falls below or rises above a predetermined threshold voltage. The devices are also known as supply voltage supervisors, voltage supervisory circuits, or voltage monitors.

We offer devices that can manage one to 16 channels. The multichannel types can sequence the supplies in any order at both power-up and power-down.

Voltage supervisors are available with threshold voltages from 4.675mV to 98V, and supply voltages from -10V minimum to 100V maximum. Delay times range from 0ms to 180s. Reset types include Active-High, Active-Low, Manual, Open Drain, and other options and combinations.

The devices are available with a wide choice of digital IC case types and pin counts, with single, pack, tape, reel, tray and tube packaging options. Operating temperatures range from -55°C minimum to 150°C maximum.

A number of devices that meet the AEC-Q100 failure mechanism based stress test qualification are offered for automotive applications.

Our voltage supervisor ICs are manufactured by Analog Devices, Diodes Inc., Micrel Semiconductors, Microchip, Onsemi, Renesas, Rohm, Seiko Instruments, ST Microelectronics, Texas Instruments, and others.

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Manufacturer Part No	Order Code	Description / Manufacturer	Availability	Price For	Price (Incl JCT)	Quantity	Reset Threshold Voltage Min	Reset Threshold Voltage - Min	Reset Threshold Voltage - Max	Reset Threshold Voltage Max	Reset Threshold Voltage Nom	Reset Threshold Voltage - Nom	No. of Monitored Voltages	Supply Voltage Min	Supply Voltage Max	Reset Output Type	IC Case / Package	No. of Pins	IC Mounting	Delay Time	Operating Temperature Min	Operating Temperature Max	Product Range	Qualification
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ISL88014IH5Z-TK	2983653 Data Sheet + RoHS	Supervisory/Voltage Detector, Active-Low, 2V to 5.5V, 600mV Threshold, 1 Monitor, SOT-23-2V RENESAS You previously purchased this product. View in Order History	No Longer Manufactured	Each (Supplied on Cut Tape) Cut Tape	1+ ¥373.85 (¥411.24) 10+ ¥314.60 (¥346.06) 50+ ¥292.73 (¥322.00) 100+ ¥270.86 (¥297.95) 250+ ¥253.94 (¥279.33) 500+ ¥224.32 (¥246.75) 1000+ ¥171.84 (¥189.02) More Pricing...	Restricted Item	-	-	600mV	-	-	-	1Monitors	2V	5.5V	Manual, Active-Low	SOT-23	5Pins	Surface Mount	250ms	-40°C	85°C	-	-
MAX809SQ293D2T1G	2728237 Data Sheet + RoHS	Supervisor, 1 V to 5.5 Vsupp., 2.93 V threshold/10 µs delay, Active-Low, Push-Pull, SC-70-3 ONSEMI You previously purchased this product. View in Order History	No Longer Manufactured	Each (Supplied on Cut Tape) Cut Tape	5+ ¥87.69 (¥96.46) 10+ ¥64.11 (¥70.52) 100+ ¥47.86 (¥52.65)	Restricted Item	-	-	-	-	-	2.93V	1Monitors	1V	5.5V	Active-Low, Push-Pull	SC-70	3Pins	Surface Mount	10µs	-40°C	105°C	-	-
MAX803SQ308T1G	2318553 Data Sheet + RoHS	System Supervisor Circuit, Active-Low Reset Monitor, 1V-5.5Vin, SC-70-3 ONSEMI You previously purchased this product. View in Order History	No Longer Manufactured	Each	5+ ¥84.36 (¥92.80) 10+ ¥61.90 (¥68.09) 100+ ¥45.65 (¥50.22) 500+ ¥38.18 (¥42.00) 1000+ ¥33.66 (¥37.03) 5000+ ¥32.50 (¥35.75) 10000+ ¥31.78 (¥34.96) More Pricing...	Restricted Item	-	-	-	-	-	3.08V	1Monitors	1V	5.5V	Active-Low	SC-70	3Pins	Surface Mount	460ms	-40°C	105°C	-	-
NCP300LSN30T1G	2318558 Data Sheet + RoHS	Voltage Detector, Active-Low Reset, 0.8V-10Vin, TSOP-5 ONSEMI You previously purchased this product. View in Order History	No Longer Manufactured	Each	5+ ¥74.22 (¥81.64) 10+ ¥54.46 (¥59.91) 100+ ¥40.16 (¥44.18) 500+ ¥33.59 (¥36.95) 1000+ ¥29.62 (¥32.58) 5000+ ¥28.59 (¥31.45) 10000+ ¥27.96 (¥30.76) More Pricing...	Restricted Item	-	-	-	-	-	3V	1Monitors	800mV	10V	Active-Low	TSOP	5Pins	Surface Mount	130µs	-40°C	125°C	-	-
MAX6301CPA+	2512315 Data Sheet + RoHS	MPU Supervisor, 1V-5.5V supply, Active-Low, Open-Drain reset, 4 ms delay/1.24V threshold, DIP-8 ANALOG DEVICES You previously purchased this product. View in Order History	No Longer Manufactured	Each	1+ ¥1,094.20 (¥1,203.62) 10+ ¥744.90 (¥819.39) 25+ ¥662.87 (¥729.16) 100+ ¥597.21 (¥656.93) 250+ ¥558.22 (¥614.04) 500+ ¥527.52 (¥580.27) 1000+ ¥513.33 (¥564.66) More Pricing...	Restricted Item	-	-	-	-	-	1.22V	1Monitors	1V	5.5V	Active-Low, Open-Drain	DIP	8Pins	Through Hole	4ms	0°C	70°C	-	-

MAX810STRG	2464392 Data Sheet Data Sheet + RoHS	Very Low Supply Current Microprocessor Reset Monitor, Active-High Reset, 1.2V-5.5Vin, SOT-23-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥84.01 (¥92.41) 10+ ¥61.65 (¥67.82) 100+ ¥45.46 (¥50.01)	Restricted Item	-	-	-	-	-	2.93V	1Monitors	1.2V	5.5V	Active-High	SOT-23	3Pins	Surface Mount	10µs	-40°C	105°C	-	-

MAX803SQ438T1G	2534241 Data Sheet + RoHS	MPU Reset Monitor, 1.2V-5.5Vsupp., 4.38V threshold/10 µs delay, Open-Drain reset, SC-70-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥73.18 (¥80.50) 10+ ¥53.70 (¥59.07) 100+ ¥39.60 (¥43.56)	Restricted Item	-	-	-	-	-	4.38V	1Monitors	1.2V	5.5V	Open-Drain	SC-70	3Pins	Surface Mount	10µs	-40°C	105°C	-	-

NCP305LSQ30T1G	1652300 Data Sheet + RoHS	IC, VOLTAGE REGULATOR ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥86.66 (¥95.33) 10+ ¥63.35 (¥69.69) 100+ ¥47.30 (¥52.03)	Restricted Item	-	-	-	-	-	3V	1Monitors	800mV	10V	Active-Low	SC-82AB	4Pins	Surface Mount	100ms	-40°C	85°C	-	-

CAT803SSDI-GT3	2534244 Data Sheet + RoHS	MCU Power Supply Supervisor, 1.2V-5.5Vsupp., 2.93V threshold, Active-Low, Open-Drain, SC-70-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥101.89 (¥112.08) 10+ ¥88.73 (¥97.60) 100+ ¥61.45 (¥67.60)	Restricted Item	-	-	-	-	-	2.93V	1Monitors	1.2V	5.5V	Active-Low, Open-Drain	SC-70	3Pins	Surface Mount	240ms	-40°C	85°C	-	-

MAX803SQ293D1T1G	2464387 Data Sheet Data Sheet + RoHS	Supervisory Circuit, Active-Low, Open-Drain Reset, 1.2V-5.5Vin, SC-70-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥87.69 (¥96.46) 10+ ¥64.11 (¥70.52) 100+ ¥47.86 (¥52.65)	Restricted Item	-	-	-	-	-	2.93V	1Monitors	1.2V	5.5V	Active-Low, Open-Drain	SC-70	3Pins	Surface Mount	10µs	-40°C	105°C	-	-

NCP303LSN10T1G	2728300 Data Sheet + RoHS	Supervisor, 0.8 V to 10 Vsupp., 1 V threshold, Programmable delay, Active-Low, TSOP-5 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥78.15 (¥85.97) 10+ ¥57.35 (¥63.09) 100+ ¥42.29 (¥46.52)	Restricted Item	-	-	-	-	-	1V	1Monitors	800mV	10V	Active-Low	TSOP	5Pins	Surface Mount	-	-40°C	125°C	-	-

MAX809SN293D2T1G	2724293 Data Sheet + RoHS	Supervisor, 1.2 V to 5.5 Vsupp., 2.93 V threshold/20 ms delay, Active-Low, Push-Pull, SOT-23-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥86.82 (¥95.50) 10+ ¥63.71 (¥70.08) 100+ ¥46.98 (¥51.68)	Restricted Item	-	-	-	-	-	2.93V	1Monitors	1.2V	5.5V	Active-Low, Push-Pull	SOT-23	3Pins	Surface Mount	20ms	-40°C	125°C	-	-

NCP803SN293D2T1G	2724298 Data Sheet + RoHS	Supervisor, 1.2 V to 5.5 Vsupp., 2.93 V threshold/20 ms delay, Active-Low, Open-Drain, SOT-23-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	1+ ¥94.70 (¥104.17)	Restricted Item	-	-	-	-	-	2.93V	1Monitors	1.2V	5.5V	Active-Low, Open-Drain	SOT-23	3Pins	Surface Mount	20ms	-40°C	125°C	-	-

ISL8723IRZ	2989263 Data Sheet + RoHS	Supervisory/Voltage Detector, Active-High, 2.5V to 5V, 4 Monitors, QFN-2.5V RENESAS You previously purchased this product. View in Order History		Each	1+ ¥1,221.38 (¥1,343.52) 10+ ¥844.65 (¥929.12) 25+ ¥757.84 (¥833.62) 50+ ¥697.29 (¥767.02) 100+ ¥638.93 (¥702.82) 250+ ¥570.84 (¥627.92) 500+ ¥503.38 (¥553.72) More Pricing...	Restricted Item	-	-	-	-	-	-	4Monitors	2.5V	5V	Active-High	QFN	24Pins	Surface Mount	-	-40°C	85°C	-	-

NCP803SN400T1G	2845243 Data Sheet + RoHS	Supervisory Circuit, Active-Low, Open-Drain, 1.2V to 5.5V, 4V Threshold, 1 Monitor, SOT-23-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥84.01 (¥92.41) 10+ ¥61.65 (¥67.82) 100+ ¥45.46 (¥50.01)	Restricted Item	-	-	-	-	-	4V	1Monitors	1.2V	5.5V	Active-Low, Open-Drain	SOT-23	3Pins	Surface Mount	460ms	-40°C	105°C	-	-

ISL88706IB829Z	2843189 Data Sheet + RoHS	Supervisory/Voltage Detector IC, Active-Low, 2 V to 5.5 V, 2.92 V Threshold, 2 Monitors, SOIC-8 RENESAS You previously purchased this product. View in Order History		Each	1+ ¥563.71 (¥620.08) 10+ ¥389.84 (¥428.82) 50+ ¥349.77 (¥384.75) 100+ ¥321.83 (¥354.01) 250+ ¥294.89 (¥324.38) 500+ ¥263.46 (¥289.81) 1000+ ¥232.33 (¥255.56) 2500+ ¥226.26 (¥248.89) More Pricing...	Restricted Item	-	-	-	-	-	2.92V	2Monitors	2V	5.5V	Active-Low	SOIC	8Pins	Surface Mount	140ms	-40°C	85°C	-	-

CAT811LTBI-GT3	2728197 Data Sheet + RoHS	Supervisor, 1 V to 5.5 Vsupp., 4.63 V threshold/20 µs delay, Active-Low, SOT-143-4 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥130.23 (¥143.25) 10+ ¥95.57 (¥105.13) 100+ ¥70.47 (¥77.52)	Restricted Item	-	-	-	-	-	4.63V	1Monitors	1V	5.5V	Active-Low	SOT-143	4Pins	Surface Mount	20µs	-40°C	85°C	-	-

ISL88708IB829Z	2843191 Data Sheet + RoHS	Supervisory/Voltage Detector IC, Active-High/Low, 2V to 5.5V, 2.92V Threshold, 2 Monitors, SOIC-8 RENESAS You previously purchased this product. View in Order History		Each	1+ ¥563.71 (¥620.08) 10+ ¥389.84 (¥428.82) 50+ ¥349.77 (¥384.75) 100+ ¥321.83 (¥354.01) 250+ ¥294.89 (¥324.38) 500+ ¥263.46 (¥289.81) 1000+ ¥232.33 (¥255.56) 2500+ ¥226.26 (¥248.89) More Pricing...	Restricted Item	-	-	-	-	-	2.92V	2Monitors	2V	5.5V	Active-High, Active-Low	SOIC	8Pins	Surface Mount	140ms	-40°C	85°C	-	-

MAX803SQ293D2T1G	2845231 Data Sheet + RoHS	Supervisory Circuit, Active-Low, Open-Drain, 1.2V to 5.5V, 2.93V Threshold, 1 Monitor, SC-70-3 ONSEMI You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	5+ ¥87.69 (¥96.46) 10+ ¥64.11 (¥70.52) 100+ ¥47.86 (¥52.65)	Restricted Item	-	-	-	-	-	2.93V	1Monitors	1.2V	5.5V	Active-Low, Open-Drain	SC-70	3Pins	Surface Mount	66ms	-40°C	105°C	-	-

X5045PIZ	3869690 Data Sheet + RoHS	Supervisors / Voltage Detector, 4.5 V to 5.5 V In, Active-High, 4.63 V TH, DIP-8, -40 °C to 85 °C RENESAS You previously purchased this product. View in Order History		Each	1+ ¥1,075.23 (¥1,182.75) 10+ ¥743.58 (¥817.94) 25+ ¥667.16 (¥733.88) 50+ ¥613.86 (¥675.25) 100+ ¥562.48 (¥618.73) 250+ ¥502.53 (¥552.78) 500+ ¥443.15 (¥487.47) 1000+ ¥431.57 (¥474.73) More Pricing...	Restricted Item	-	4.25V	4.5V	-	-	-	1Monitors	4.5V	5.5V	Active-High	DIP	8Pins	Through Hole	10ms	-40°C	85°C	-	-

ISL88013IH531Z-T7A	3869689 Data Sheet + RoHS	Supervisors / Voltage Detector, 2 V to 5.5 V In, Active-High/Active-Low, SOT-23-5, -40 °C to 85 °C RENESAS You previously purchased this product. View in Order History		Each (Supplied on Cut Tape) Cut Tape	1+ ¥516.77 (¥568.45) 10+ ¥357.37 (¥393.11) 50+ ¥320.64 (¥352.70) 100+ ¥295.03 (¥324.53) 250+ ¥270.33 (¥297.36) 500+ ¥241.52 (¥265.67) 1000+ ¥212.98 (¥234.28) 2500+ ¥207.42 (¥228.16) More Pricing...	Restricted Item	-	-	-	-	-	3.09V	1Monitors	2V	5.5V	Active-High, Active-Low	SOT-23	5Pins	Surface Mount	-	-40°C	85°C	-	-

X5045PZ	3765514 Data Sheet + RoHS	Voltage Detector, 1 Monitor, 4.63 V, Active-High, DIP-8, -0 °C to 70 °C, 4.5 V to 5.5 V Supply RENESAS You previously purchased this product. View in Order History		Each	1+ ¥1,033.49 (¥1,136.84) 10+ ¥714.71 (¥786.18) 25+ ¥641.26 (¥705.39) 50+ ¥590.03 (¥649.03) 100+ ¥540.64 (¥594.70) 250+ ¥483.02 (¥531.32) 500+ ¥425.94 (¥468.53) 1000+ ¥414.82 (¥456.30) More Pricing...	Restricted Item	-	4.25V	4.5V	-	-	-	1Monitors	4.5V	5.5V	Active-High	DIP	8Pins	Through Hole	10ms	0°C	70°C	-	-

X5323S8IZ-2.7A	3869691 Data Sheet + RoHS	Supervisors / Voltage Detector, 2.7-5.5 V in, Active-High/Active-Low, SOIC-8, -40 °C to 85 °C RENESAS You previously purchased this product. View in Order History		Each	1+ ¥1,435.37 (¥1,578.91) 10+ ¥992.63 (¥1,091.89) 25+ ¥890.61 (¥979.67) 50+ ¥819.46 (¥901.41) 100+ ¥750.87 (¥825.96) 250+ ¥670.84 (¥737.92) 500+ ¥591.57 (¥650.73) More Pricing...	Restricted Item	-	-	-	-	-	2.92V	1Monitors	2.7V	5.5V	Active-High, Active-Low	SOIC	8Pins	Surface Mount	-	-40°C	85°C	-	-