Supervisory Circuits – Mouser Denmark

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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 (DKK) 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: 4,30 kr. 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 4,30 kr. 3,02 kr. 2,72 kr. 2,36 kr. View Reel 1,87 kr. 2,21 kr. 2,10 kr. 2,03 kr. 1,87 kr. 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: 4,17 kr. 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 4,17 kr. 2,93 kr. 2,72 kr. 2,36 kr. View Reel 1,87 kr. 2,21 kr. 2,10 kr. 2,03 kr. 1,87 kr. 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: 4,62 kr. 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 4,62 kr. 3,30 kr. 2,96 kr. 2,60 kr. Reel View 2,42 kr. 2,31 kr. 2,22 kr. 2,19 kr. 2,15 kr. 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 Volt Det IC 2.3V Open Drain BU45L234G-TL ROHM Semiconductor 1: 3,66 kr. 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 3,66 kr. 2,56 kr. 2,29 kr. 1,99 kr. Reel View 1,86 kr. 1,77 kr. 1,70 kr. 1,61 kr. 1,57 kr. 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 3.0V, Fixed Delay (200msec) Voltage Detector BU45K302G-TL ROHM Semiconductor 1: 3,98 kr. 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 3,98 kr. 2,82 kr. 2,53 kr. 2,21 kr. Reel 1,73 kr. View 2,05 kr. 1,95 kr. 1,88 kr. 1,72 kr. 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 3.3V, CMOS Output Type, Fixed Delay (200msec) Voltage Detector BU46L332G-TL ROHM Semiconductor 1: 4,62 kr. 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 4,62 kr. 3,30 kr. 2,96 kr. 2,60 kr. View Reel 1,88 kr. 2,42 kr. 2,31 kr. 2,22 kr. 1,88 kr.	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: 4,30 kr. 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 4,30 kr. 3,02 kr. 2,72 kr. 2,36 kr. Reel 2,06 kr. View 2,21 kr. 2,10 kr. 2,06 kr. 1,88 kr. 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: 3,53 kr. 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 3,53 kr. 2,50 kr. 2,25 kr. 1,95 kr. Reel View 1,81 kr. 1,73 kr. 1,66 kr. 1,57 kr. 1,53 kr. 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: 3,66 kr. 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 3,66 kr. 2,56 kr. 2,29 kr. 1,99 kr. Reel View 1,86 kr. 1,77 kr. 1,70 kr. 1,64 kr. 1,62 kr. 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: 3,66 kr. 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 3,66 kr. 3,47 kr. 3,01 kr. 2,80 kr. Reel View 2,67 kr. 2,56 kr. 1,63 kr. 1,61 kr. 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: 3,66 kr. 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 3,66 kr. 2,56 kr. 2,29 kr. 1,99 kr. Reel View 1,86 kr. 1,77 kr. 1,70 kr. 1,64 kr. 1,58 kr. 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: 3,53 kr. 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 3,53 kr. 2,50 kr. 2,25 kr. 1,95 kr. Reel View 1,81 kr. 1,73 kr. 1,66 kr. 1,59 kr. 1,57 kr. 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: 3,72 kr. 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 3,72 kr. 3,60 kr. 3,47 kr. 3,01 kr. Reel View 2,80 kr. 2,67 kr. 2,56 kr. 1,63 kr. 1,61 kr. 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: 3,72 kr. 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 3,72 kr. 3,60 kr. 3,47 kr. 3,01 kr. Reel View 2,80 kr. 2,67 kr. 2,56 kr. 1,63 kr. 1,60 kr. 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: 3,72 kr. 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 3,72 kr. 2,59 kr. 2,31 kr. 2,01 kr. Reel View 1,87 kr. 1,78 kr. 1,71 kr. 1,57 kr. 1,53 kr. 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: 3,53 kr. 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 3,53 kr. 2,50 kr. 2,25 kr. 1,95 kr. Reel View 1,81 kr. 1,73 kr. 1,66 kr. 1,60 kr. 1,57 kr. 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: 3,53 kr. 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 3,53 kr. 2,50 kr. 2,25 kr. 1,95 kr. Reel View 1,81 kr. 1,77 kr. 1,73 kr. 1,59 kr. 1,57 kr. 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: 3,53 kr. 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 3,53 kr. 2,50 kr. 2,25 kr. 1,95 kr. Reel View 1,81 kr. 1,77 kr. 1,73 kr. 1,60 kr. 1,58 kr. 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

BU45K/BU46K Series Voltage Detector ICs

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