Supervisory Circuits – Mouser Singapore

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BU45K/BU46K Series Voltage Detector ICs

ROHM Semiconductor BU45K/BU46K Series Voltage Detector ICs with built-in counter timer offer a low current consumption of 2.3μA (Typ.) and high accuracy detection voltage of ±1.0%. The BU45K/BU46K series has a detection voltage range of 2.3V to 4.8V with a counter-timer delay circuit built-in, eliminating the need for an external capacitor.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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	Accuracy	Series	Packaging
Supervisory Circuits IC Vtg detector BU46K262G-TL ROHM Semiconductor 1: $0.911 5,969In Stock NRND	Mfr. Part No. BU46K262G-TL Mouser Part No 755-BU46K262G-TL NRND	ROHM Semiconductor	Supervisory Circuits IC Vtg detector	Datasheet	5,969In Stock	Cut Tape $0.911 $0.641 $0.575 $0.502 View Reel $0.396 $0.468 $0.446 $0.43 $0.396 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	2.6 V	1 Input	CMOS	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits IC Vtg detector BU46K292G-TL ROHM Semiconductor 1: $0.884 5,716In Stock NRND	Mfr. Part No. BU46K292G-TL Mouser Part No 755-BU46K292G-TL NRND	ROHM Semiconductor	Supervisory Circuits IC Vtg detector	Datasheet	5,716In Stock	Cut Tape $0.884 $0.622 $0.575 $0.502 View Reel $0.396 $0.468 $0.446 $0.43 $0.396 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	2.9 V	1 Input	CMOS	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (400msec) Voltage Detector BU46L334G-TL ROHM Semiconductor 1: $0.979 2,948In Stock NRND	Mfr. Part No. BU46L334G-TL Mouser Part No 755-BU46L334G-TL NRND	ROHM Semiconductor	Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (400msec) Voltage Detector	Datasheet	2,948In Stock	Cut Tape $0.979 $0.699 $0.628 $0.551 Reel View $0.513 $0.49 $0.472 $0.464 $0.456 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	3.3 V	1 Input	CMOS	No Manual Reset	No Watchdog	No Backup	400 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 3.0V, Fixed Delay (200msec) Voltage Detector BU45K302G-TL ROHM Semiconductor 1: $0.843 3,723In Stock NRND	Mfr. Part No. BU45K302G-TL Mouser Part No 755-BU45K302G-TL NRND	ROHM Semiconductor	Supervisory Circuits 3.0V, Fixed Delay (200msec) Voltage Detector	Datasheet	3,723In Stock	Cut Tape $0.843 $0.597 $0.536 $0.468 Reel $0.367 View $0.435 $0.415 $0.398 $0.363 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	3 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits Volt Det IC 2.3V Open Drain BU45L234G-TL ROHM Semiconductor 1: $0.775 2,990In Stock NRND	Mfr. Part No. BU45L234G-TL Mouser Part No 755-BU45L234G-TL NRND	ROHM Semiconductor	Supervisory Circuits Volt Det IC 2.3V Open Drain	Datasheet	2,990In Stock	Cut Tape $0.775 $0.543 $0.486 $0.423 Reel View $0.393 $0.375 $0.36 $0.341 $0.332 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	2.3 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	400 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (200msec) Voltage Detector BU46L332G-TL ROHM Semiconductor 1: $0.979 2,549In Stock NRND	Mfr. Part No. BU46L332G-TL Mouser Part No 755-BU46L332G-TL NRND	ROHM Semiconductor	Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (200msec) Voltage Detector	Datasheet	2,549In Stock	Cut Tape $0.979 $0.699 $0.628 $0.551 Reel View $0.513 $0.49 $0.472 $0.392 $0.39	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	3.3 V	1 Input	CMOS	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape
Supervisory Circuits IC Vtg detector BU46K402G-TL ROHM Semiconductor 1: $0.911 5,950In Stock NRND	Mfr. Part No. BU46K402G-TL Mouser Part No 755-BU46K402G-TL NRND	ROHM Semiconductor	Supervisory Circuits IC Vtg detector	Datasheet	5,950In Stock	Cut Tape $0.911 $0.641 $0.575 $0.502 Reel $0.437 View $0.468 $0.446 $0.437 $0.398 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	4 V	1 Input	CMOS	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 2.4V 200ms SSOP3 Nch Volt Detctr IC BU45K242G-TL ROHM Semiconductor 1: $0.748 1,468In Stock NRND	Mfr. Part No. BU45K242G-TL Mouser Part No 755-BU45K242G-TL NRND	ROHM Semiconductor	Supervisory Circuits 2.4V 200ms SSOP3 Nch Volt Detctr IC	Datasheet	1,468In Stock	Cut Tape $0.748 $0.53 $0.476 $0.413 Reel View $0.385 $0.367 $0.352 $0.333 $0.324 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SOT-23-3	2.4 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits Volt Det IC 2.5V Open Drain BU45K254G-TL ROHM Semiconductor 1: $0.775 2,870In Stock NRND	Mfr. Part No. BU45K254G-TL Mouser Part No 755-BU45K254G-TL NRND	ROHM Semiconductor	Supervisory Circuits Volt Det IC 2.5V Open Drain	Datasheet	2,870In Stock	Cut Tape $0.775 $0.543 $0.486 $0.423 Reel View $0.393 $0.375 $0.36 $0.348 $0.343 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SOT-23-3	2.5 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	400 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits Volt Det IC 2.6V Open Drain BU45K264G-TL ROHM Semiconductor 1: $0.775 1,792In Stock NRND	Mfr. Part No. BU45K264G-TL Mouser Part No 755-BU45K264G-TL NRND	ROHM Semiconductor	Supervisory Circuits Volt Det IC 2.6V Open Drain	Datasheet	1,792In Stock	Cut Tape $0.775 $0.736 $0.639 $0.593 Reel View $0.566 $0.543 $0.345 $0.341 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SOT-23-3	2.6 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	400 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits Volt Det IC 3.2V Open Drain BU45K322G-TL ROHM Semiconductor 1: $0.775 2,767In Stock NRND	Mfr. Part No. BU45K322G-TL Mouser Part No 755-BU45K322G-TL NRND	ROHM Semiconductor	Supervisory Circuits Volt Det IC 3.2V Open Drain	Datasheet	2,767In Stock	Cut Tape $0.775 $0.543 $0.486 $0.423 Reel View $0.393 $0.375 $0.36 $0.348 $0.336 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	3.2 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 4.5V 200ms SSOP3 Nch Volt Detctr IC BU45K452G-TL ROHM Semiconductor 1: $0.748 1,766In Stock NRND	Mfr. Part No. BU45K452G-TL Mouser Part No 755-BU45K452G-TL NRND	ROHM Semiconductor	Supervisory Circuits 4.5V 200ms SSOP3 Nch Volt Detctr IC	Datasheet	1,766In Stock	Cut Tape $0.748 $0.53 $0.476 $0.413 Reel View $0.385 $0.367 $0.352 $0.337 $0.333 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	4.5 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits Volt Det IC 4.7V Open Drain BU45L472G-TL ROHM Semiconductor 1: $0.789 1,744In Stock NRND	Mfr. Part No. BU45L472G-TL Mouser Part No 755-BU45L472G-TL NRND	ROHM Semiconductor	Supervisory Circuits Volt Det IC 4.7V Open Drain	Datasheet	1,744In Stock	Cut Tape $0.789 $0.763 $0.736 $0.639 Reel View $0.593 $0.566 $0.543 $0.345 $0.341 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	4.7 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits Volt Det IC 2.5V CMOS BU46K254G-TL ROHM Semiconductor 1: $0.789 2,940In Stock NRND	Mfr. Part No. BU46K254G-TL Mouser Part No 755-BU46K254G-TL NRND	ROHM Semiconductor	Supervisory Circuits Volt Det IC 2.5V CMOS	Datasheet	2,940In Stock	Cut Tape $0.789 $0.763 $0.736 $0.639 Reel View $0.593 $0.566 $0.543 $0.345 $0.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	2.5 V	1 Input	CMOS	No Manual Reset	No Watchdog	No Backup	400 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 2.3V 400ms SSOP3 Nch Volt Detctr IC BU45K234G-TL ROHM Semiconductor 1: $0.789 454In Stock NRND	Mfr. Part No. BU45K234G-TL Mouser Part No 755-BU45K234G-TL NRND	ROHM Semiconductor	Supervisory Circuits 2.3V 400ms SSOP3 Nch Volt Detctr IC	Datasheet	454In Stock	Cut Tape $0.789 $0.548 $0.49 $0.427 Reel View $0.396 $0.378 $0.362 $0.333 $0.324 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SOT-23-3	2.3 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	400 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 2.6V 200ms SSOP3 Nch Volt Detctr IC BU45K262G-TL ROHM Semiconductor 1: $0.748 838In Stock NRND	Mfr. Part No. BU45K262G-TL Mouser Part No 755-BU45K262G-TL NRND	ROHM Semiconductor	Supervisory Circuits 2.6V 200ms SSOP3 Nch Volt Detctr IC	Datasheet	838In Stock	Cut Tape $0.748 $0.53 $0.476 $0.413 Reel View $0.385 $0.367 $0.352 $0.34 $0.333 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SOT-23-3	2.6 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 2.7V 200ms SSOP3 Nch Volt Detctr IC BU45K272G-TL ROHM Semiconductor 1: $0.748 428In Stock NRND	Mfr. Part No. BU45K272G-TL Mouser Part No 755-BU45K272G-TL NRND	ROHM Semiconductor	Supervisory Circuits 2.7V 200ms SSOP3 Nch Volt Detctr IC	Datasheet	428In Stock	Cut Tape $0.748 $0.53 $0.476 $0.413 Reel View $0.385 $0.375 $0.367 $0.337 $0.333 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SOT-23-3	2.7 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	200 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel
Supervisory Circuits 3.0V 400ms SSOP3 Nch Volt Detctr IC BU45K304G-TL ROHM Semiconductor 1: $0.748 206In Stock NRND	Mfr. Part No. BU45K304G-TL Mouser Part No 755-BU45K304G-TL NRND	ROHM Semiconductor	Supervisory Circuits 3.0V 400ms SSOP3 Nch Volt Detctr IC	Datasheet	206In Stock	Cut Tape $0.748 $0.53 $0.476 $0.413 Reel View $0.385 $0.375 $0.367 $0.34 $0.335 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Detector	SMD/SMT	SSOP-3	3 V	1 Input	Open Drain	No Manual Reset	No Watchdog	No Backup	400 ms	6 V	- 40 C	+ 105 C	1 %	BU45/BU46	Reel, Cut Tape, MouseReel

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