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Voltage Detectors (Reset ICs)

ROHM Semiconductor Voltage Detectors (Reset ICs) feature a highly accurate detection voltage of ±1% with low current consumption. The detectors are housed in small, thin packages and offer a wide range of detection voltages. The ICs can be used for every application equipped with controllers like microcontrollers, CPUs, or DSPs. The ROHM voltage detector IC series offers CMOS and open drain output. The output of reset signal can be selected for the connected power supply. Default SSOP packages are pin-compatible and function-compatible so that they can be used as replacements for existing ICs. All lineups are Pb-free and meet RoHS.

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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.
Supervisory Circuits ICs, Power Management, 2.7V, CMOS Output Type, High Accuracy Voltage Detector for Automotive BD49E27G-MTR ROHM Semiconductor 1: £0.458 2,937In Stock NRND	Mfr. Part No. BD49E27G-MTR Mouser Part No 755-BD49E27G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.7V, CMOS Output Type, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,937In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel View £0.234 £0.223 £0.215 £0.207 £0.203	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits CMOS LOW VOLT DETEC BU4211G-TR ROHM Semiconductor 1: £0.346 4,371In Stock NRND	Mfr. Part No. BU4211G-TR Mouser Part No 755-BU4211G-TR NRND	ROHM Semiconductor	Supervisory Circuits CMOS LOW VOLT DETEC	Datasheet	4,371In Stock	Cut Tape £0.346 £0.242 £0.216 £0.187 Reel £0.15 View £0.175 £0.168 £0.16 £0.147 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.8V, Adjustable Delay Voltage Detector for Automotive BD52E28G-MTR ROHM Semiconductor 1: £0.496 3,679In Stock NRND	Mfr. Part No. BD52E28G-MTR Mouser Part No 755-BD52E28G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.8V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	3,679In Stock	Cut Tape £0.496 £0.342 £0.306 £0.265 View Reel £0.204 £0.247 £0.235 £0.226 £0.204 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 4.2V, High Accuracy Voltage Detector for Automotive BD48E42G-MTR ROHM Semiconductor 1: £0.458 2,931In Stock NRND	Mfr. Part No. BD48E42G-MTR Mouser Part No 755-BD48E42G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 4.2V, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,931In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel View £0.234 £0.223 £0.215 £0.207 £0.206 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 4.6V, High Accuracy Voltage Detector for Automotive BD48E46G-MTR ROHM Semiconductor 1: £0.458 3,577In Stock NRND	Mfr. Part No. BD48E46G-MTR Mouser Part No 755-BD48E46G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 4.6V, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	3,577In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel £0.197 View £0.234 £0.223 £0.215 £0.196 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 4.4V, CMOS Output Type, High Accuracy Voltage Detector for Automotive BD49E44G-MTR ROHM Semiconductor 1: £0.473 2,782In Stock NRND	Mfr. Part No. BD49E44G-MTR Mouser Part No 755-BD49E44G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 4.4V, CMOS Output Type, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,782In Stock	Cut Tape £0.473 £0.328 £0.293 £0.255 Reel View £0.237 £0.225 £0.217 £0.204 £0.199 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits IC CMOS VOLT DETECT BU4823G-TR ROHM Semiconductor 1: £0.271 4,821In Stock NRND	Mfr. Part No. BU4823G-TR Mouser Part No 755-BU4823G-TR NRND	ROHM Semiconductor	Supervisory Circuits IC CMOS VOLT DETECT	Datasheet	4,821In Stock	Cut Tape £0.271 £0.186 £0.166 £0.143 Reel £0.116 View £0.133 £0.126 £0.12 £0.113 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 3.0V, High Accuracy Voltage Detector BD48E30G-TR ROHM Semiconductor 1: £0.292 4,531In Stock NRND	Mfr. Part No. BD48E30G-TR Mouser Part No 755-BD48E30G-TR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 3.0V, High Accuracy Voltage Detector	Datasheet	4,531In Stock	Cut Tape £0.292 £0.205 £0.183 £0.158 Reel £0.126 View £0.147 £0.139 £0.134 £0.121 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 4.6V, CMOS Output Type, High Accuracy Voltage Detector for Automotive BD49E46G-MTR ROHM Semiconductor 1: £0.458 2,906In Stock NRND	Mfr. Part No. BD49E46G-MTR Mouser Part No 755-BD49E46G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 4.6V, CMOS Output Type, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,906In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel View £0.234 £0.223 £0.215 £0.207 £0.206	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.7V, Adjustable Delay Voltage Detector for Automotive BD52E27G-MTR ROHM Semiconductor 1: £0.473 2,936In Stock NRND	Mfr. Part No. BD52E27G-MTR Mouser Part No 755-BD52E27G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.7V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,936In Stock	Cut Tape £0.473 £0.334 £0.30 £0.262 Reel View £0.244 £0.233 £0.223 £0.218 £0.217	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.7V, CMOS Output Type, Adjustable Delay Voltage Detector for Automotive BD53E27G-MTR ROHM Semiconductor 1: £0.458 2,655In Stock NRND	Mfr. Part No. BD53E27G-MTR Mouser Part No 755-BD53E27G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.7V, CMOS Output Type, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,655In Stock	Cut Tape £0.458 £0.325 £0.292 £0.255 Reel View £0.237 £0.226 £0.223 £0.216 £0.212	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 3.2V, CMOS Output Type, Adjustable Delay Voltage Detector for Automotive BD53E32G-MTR ROHM Semiconductor 1: £0.48 2,771In Stock NRND	Mfr. Part No. BD53E32G-MTR Mouser Part No 755-BD53E32G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 3.2V, CMOS Output Type, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,771In Stock	Cut Tape £0.48 £0.342 £0.306 £0.265 Reel View £0.247 £0.235 £0.226 £0.216 £0.212	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (200msec) Voltage Detector BU46L332G-TL ROHM Semiconductor 1: £0.54 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 £0.54 £0.386 £0.347 £0.304 View Reel £0.22 £0.283 £0.271 £0.26 £0.22	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (400msec) Voltage Detector BU46L334G-TL ROHM Semiconductor 1: £0.54 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 £0.54 £0.386 £0.347 £0.304 Reel View £0.283 £0.271 £0.26 £0.256 £0.251 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits 3.8V VOLT DETECTOR IC BD5238G-2CGTR ROHM Semiconductor 1: £0.646 4,832In Stock	Mfr. Part No. BD5238G-2CGTR Mouser Part No 755-BD5238G-2CGTR	ROHM Semiconductor	Supervisory Circuits 3.8V VOLT DETECTOR IC Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	4,832In Stock	Cut Tape £0.646 £0.464 £0.417 £0.368 View Reel £0.305 £0.342 £0.328 £0.319 £0.305 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 0.9V, Adjustable Delay Voltage Detector for Automotive BD5209G-2MTR ROHM Semiconductor 1: £0.338 1,305In Stock 3,000Expected 08/12/2026	Mfr. Part No. BD5209G-2MTR Mouser Part No 755-BD5209G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 0.9V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	1,305In Stock 3,000Expected 08/12/2026	Cut Tape £0.338 £0.238 £0.212 £0.182 Reel £0.145 View £0.169 £0.161 £0.153 £0.141	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits 1V VOLT DETECTOR IC BD5210G-2MTR ROHM Semiconductor 1: £0.338 2,885In Stock	Mfr. Part No. BD5210G-2MTR Mouser Part No 755-BD5210G-2MTR	ROHM Semiconductor	Supervisory Circuits 1V VOLT DETECTOR IC Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,885In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.141 View £0.168 £0.159 £0.153 £0.138	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 1.1V, Adjustable Delay Voltage Detector for Automotive BD5211G-2MTR ROHM Semiconductor 1: £0.338 2,942In Stock	Mfr. Part No. BD5211G-2MTR Mouser Part No 755-BD5211G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 1.1V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,942In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.147 View £0.168 £0.159 £0.153 £0.144	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 1.2V, Adjustable Delay Voltage Detector for Automotive BD5212G-2MTR ROHM Semiconductor 1: £0.338 3,244In Stock	Mfr. Part No. BD5212G-2MTR Mouser Part No 755-BD5212G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 1.2V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	3,244In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.153 View £0.168 £0.159 £0.153 £0.141	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 1.3V, Adjustable Delay Voltage Detector for Automotive BD5213G-2MTR ROHM Semiconductor 1: £0.338 2,805In Stock	Mfr. Part No. BD5213G-2MTR Mouser Part No 755-BD5213G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 1.3V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,805In Stock	Cut Tape £0.338 £0.32 £0.275 £0.254 Reel £0.147 View £0.242 £0.231 £0.144	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 1.5V, Adjustable Delay Voltage Detector for Automotive BD5215G-2MTR ROHM Semiconductor 1: £0.338 2,623In Stock 3,000Expected 19/11/2026	Mfr. Part No. BD5215G-2MTR Mouser Part No 755-BD5215G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 1.5V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,623In Stock 3,000Expected 19/11/2026	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.144 View £0.168 £0.159 £0.153 £0.14	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 2.4V, Adjustable Delay Voltage Detector for Automotive BD5224G-2MTR ROHM Semiconductor 1: £0.338 2,943In Stock	Mfr. Part No. BD5224G-2MTR Mouser Part No 755-BD5224G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 2.4V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	2,943In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.144 View £0.168 £0.159 £0.153 £0.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 2.5V, Adjustable Delay Voltage Detector for Automotive BD5225G-2MTR ROHM Semiconductor 1: £0.338 2,314In Stock	Mfr. Part No. BD5225G-2MTR Mouser Part No 755-BD5225G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 2.5V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	2,314In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.143 View £0.168 £0.159 £0.153 £0.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 2.6V, Adjustable Delay Voltage Detector for Automotive BD5226G-2MTR ROHM Semiconductor 1: £0.338 3,745In Stock	Mfr. Part No. BD5226G-2MTR Mouser Part No 755-BD5226G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 2.6V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	3,745In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.144 View £0.168 £0.159 £0.153 £0.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 2.7V, Adjustable Delay Voltage Detector for Automotive BD5227G-2MTR ROHM Semiconductor 1: £0.338 3,979In Stock	Mfr. Part No. BD5227G-2MTR Mouser Part No 755-BD5227G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 2.7V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	3,979In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.144 View £0.168 £0.159 £0.153 £0.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

Voltage Detectors (Reset ICs)

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