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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, 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
Supervisory Circuits ICs, Power Management, Nano Energy™, 2.8V, Adjustable Delay Voltage Detector for Automotive BD5228G-2MTR ROHM Semiconductor 1: £0.338 2,318In Stock	Mfr. Part No. BD5228G-2MTR Mouser Part No 755-BD5228G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 2.8V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	2,318In 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™, 2.9V, Adjustable Delay Voltage Detector for Automotive BD5229G-2MTR ROHM Semiconductor 1: £0.338 512In Stock	Mfr. Part No. BD5229G-2MTR Mouser Part No 755-BD5229G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 2.9V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	512In Stock	Cut Tape £0.338 £0.233 £0.209 £0.184 Reel £0.143 View £0.17 £0.162 £0.153 £0.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 3.1V, Adjustable Delay Voltage Detector for Automotive BD5231G-2MTR ROHM Semiconductor 1: £0.338 2,715In Stock	Mfr. Part No. BD5231G-2MTR Mouser Part No 755-BD5231G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 3.1V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	2,715In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.145 View £0.168 £0.159 £0.154 £0.143 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 4.0V, Adjustable Delay Voltage Detector for Automotive BD5240G-2MTR ROHM Semiconductor 1: £0.338 332In Stock	Mfr. Part No. BD5240G-2MTR Mouser Part No 755-BD5240G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 4.0V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	332In Stock	Cut Tape £0.338 £0.233 £0.209 £0.18 Reel £0.141 View £0.168 £0.159 £0.153 £0.137 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, Nano Energy™, 4.5V, Adjustable Delay Voltage Detector for Automotive BD5245G-2MTR ROHM Semiconductor 1: £0.338 2,955In Stock	Mfr. Part No. BD5245G-2MTR Mouser Part No 755-BD5245G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 4.5V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	2,955In 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™, 4.6V, Adjustable Delay Voltage Detector for Automotive BD5246G-2MTR ROHM Semiconductor 1: £0.338 690In Stock 3,000Expected 08/12/2026	Mfr. Part No. BD5246G-2MTR Mouser Part No 755-BD5246G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 4.6V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	690In Stock 3,000Expected 08/12/2026	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™, 1.5V, CMOS Output Type, Adjustable Delay Voltage Detector for Automotive BD5315G-2MTR ROHM Semiconductor 1: £0.353 204In Stock	Mfr. Part No. BD5315G-2MTR Mouser Part No 755-BD5315G-2MTR	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, Nano Energy™, 1.5V, CMOS Output Type, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	204In Stock	Cut Tape £0.353 £0.243 £0.217 £0.187 Reel £0.145 View £0.173 £0.164 £0.158 £0.143	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits CMOS Volt Det IC 3-5.5V HVSOF5 BD4142HFV-TR ROHM Semiconductor 1: £0.413 132In Stock 12,000Expected 14/12/2026	Mfr. Part No. BD4142HFV-TR Mouser Part No 755-BD4142HFV-TR	ROHM Semiconductor	Supervisory Circuits CMOS Volt Det IC 3-5.5V HVSOF5 Learn More about ROHM Semiconductor rohm bd4142hfv voltage detector ic	Datasheet	132In Stock 12,000Expected 14/12/2026	Cut Tape £0.413 £0.285 £0.255 £0.222 Reel £0.173 View £0.206 £0.196 £0.189 £0.168 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Management Specialised - PMIC PMIC 50mA Output LDO Voltage Tracker, 3V 42V, 40 A, 15mV Accuracy BD42500G-CTR ROHM Semiconductor 1: £0.608 1,669In Stock 3,000Expected 28/01/2027	Mfr. Part No. BD42500G-CTR Mouser Part No 755-BD42500G-CTR	ROHM Semiconductor	Power Management Specialised - PMIC PMIC 50mA Output LDO Voltage Tracker, 3V 42V, 40 A, 15mV Accuracy Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	1,669In Stock 3,000Expected 28/01/2027	Cut Tape £0.608 £0.437 £0.393 £0.344 View Reel £0.272 £0.321 £0.307 £0.296 £0.272 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Management Specialised - PMIC PMIC 250mA Output LDO Voltage Tracker, 3V-42V, 40 A, 10mV Accuracy BD42530UEFJ-CE2 ROHM Semiconductor 1: £0.995 568In Stock 2,500Expected 16/11/2026	Mfr. Part No. BD42530UEFJ-CE2 Mouser Part No 755-BD42530UEFJ-CE2	ROHM Semiconductor	Power Management Specialised - PMIC PMIC 250mA Output LDO Voltage Tracker, 3V-42V, 40 A, 10mV Accuracy Learn More about ROHM Semiconductor rohm voltage detectors	Datasheet	568In Stock 2,500Expected 16/11/2026	Cut Tape £0.995 £0.725 £0.656 £0.581 Reel £0.486 View £0.545 £0.523 £0.508 £0.475 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators 5.5-45V SOP-J8 14A LDO Regulator BD4269FJ-CE2 ROHM Semiconductor 1: £1.24 390In Stock	Mfr. Part No. BD4269FJ-CE2 Mouser Part No 755-BD4269FJ-CE2	ROHM Semiconductor	LDO Voltage Regulators 5.5-45V SOP-J8 14A LDO Regulator Learn More about ROHM Semiconductor rohm automotive ldo regulators	Datasheet	390In Stock	Cut Tape £1.24 £0.908 £0.818 £0.726 Reel £0.592 View £0.683 £0.656 £0.649 £0.59 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators 500mA LDO Regulator w/volt det 75uA 5V BD42754FP2-CE2 ROHM Semiconductor 1: £1.94 193In Stock	Mfr. Part No. BD42754FP2-CE2 Mouser Part No 755-BD42754FP2-CE2	ROHM Semiconductor	LDO Voltage Regulators 500mA LDO Regulator w/volt det 75uA 5V Learn More about ROHM Semiconductor rohm bd42754fp2 c ldo regulator	Datasheet	193In Stock	Cut Tape £1.94 £1.44 £1.32 £1.18 Reel £1.07 View £1.12 £1.02 £1.01 MouseReel Available	Min.: 1 Mult.: 1 : 500
Supervisory Circuits ICs, Power Management, 2.5V, High Accuracy Voltage Detector for Automotive BD48E25G-MTR ROHM Semiconductor 1: £0.458 1,354In Stock NRND	Mfr. Part No. BD48E25G-MTR Mouser Part No 755-BD48E25G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.5V, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	1,354In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel View £0.237 £0.225 £0.217 £0.208 £0.205 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.8V, High Accuracy Voltage Detector for Automotive BD48E28G-MTR ROHM Semiconductor 1: £0.458 2,119In Stock NRND	Mfr. Part No. BD48E28G-MTR Mouser Part No 755-BD48E28G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.8V, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,119In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel View £0.234 £0.223 £0.215 £0.207 £0.203 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.9V, High Accuracy Voltage Detector for Automotive BD48E29G-MTR ROHM Semiconductor 1: £0.458 2,410In Stock NRND	Mfr. Part No. BD48E29G-MTR Mouser Part No 755-BD48E29G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.9V, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,410In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel View £0.234 £0.223 £0.215 £0.208 £0.205 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 3.3V, High Accuracy Voltage Detector BD48E33G-TR ROHM Semiconductor 1: £0.292 3,440In Stock NRND	Mfr. Part No. BD48E33G-TR Mouser Part No 755-BD48E33G-TR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 3.3V, High Accuracy Voltage Detector	Datasheet	3,440In Stock	Cut Tape £0.292 £0.205 £0.183 £0.158 Reel £0.133 View £0.147 £0.139 £0.134 £0.125	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 4.0V, High Accuracy Voltage Detector for Automotive BD48E40G-MTR ROHM Semiconductor 1: £0.458 2,349In Stock NRND	Mfr. Part No. BD48E40G-MTR Mouser Part No 755-BD48E40G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 4.0V, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,349In Stock	Cut Tape £0.458 £0.322 £0.288 £0.251 Reel View £0.234 £0.223 £0.215 £0.207 £0.203 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.3V, CMOS Output Type, High Accuracy Voltage Detector for Automotive BD49E23G-MTR ROHM Semiconductor 1: £0.458 854In Stock NRND	Mfr. Part No. BD49E23G-MTR Mouser Part No 755-BD49E23G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.3V, CMOS Output Type, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	854In 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 Motor Driver T/R BD49E30G-TR ROHM Semiconductor 1: £0.255 2,735In Stock NRND	Mfr. Part No. BD49E30G-TR Mouser Part No 755-BD49E30G-TR NRND	ROHM Semiconductor	Supervisory Circuits Motor Driver T/R	Datasheet	2,735In Stock	Cut Tape £0.255 £0.179 £0.159 £0.137 Reel View £0.127 £0.124 £0.119 £0.11 £0.107	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 4.0V, CMOS Output Type, High Accuracy Voltage Detector for Automotive BD49E40G-MTR ROHM Semiconductor 1: £0.473 2,173In Stock NRND	Mfr. Part No. BD49E40G-MTR Mouser Part No 755-BD49E40G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 4.0V, CMOS Output Type, High Accuracy Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd48 bd49 automotive voltage detector ics	Datasheet	2,173In Stock	Cut Tape £0.473 £0.452 £0.44 £0.382 Reel View £0.354 £0.338 £0.325 £0.207 £0.203	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits CMOS DETEC VOLT 3.9V BD5239G-TR ROHM Semiconductor 1: £0.271 2,980In Stock NRND	Mfr. Part No. BD5239G-TR Mouser Part No 755-BD5239G-TR NRND	ROHM Semiconductor	Supervisory Circuits CMOS DETEC VOLT 3.9V	Datasheet	2,980In Stock	Cut Tape £0.271 £0.268 £0.25 £0.216 Reel View £0.199 £0.189 £0.181 £0.113 £0.112 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.3V, Adjustable Delay Voltage Detector for Automotive BD52E23G-MTR ROHM Semiconductor 1: £0.496 2,254In Stock NRND	Mfr. Part No. BD52E23G-MTR Mouser Part No 755-BD52E23G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.3V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,254In Stock	Cut Tape £0.496 £0.483 £0.458 £0.399 Reel View £0.37 £0.353 £0.339 £0.216 £0.212	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.5V, Adjustable Delay Voltage Detector for Automotive BD52E25G-MTR ROHM Semiconductor 1: £0.488 2,472In Stock NRND	Mfr. Part No. BD52E25G-MTR Mouser Part No 755-BD52E25G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 2.5V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	2,472In Stock	Cut Tape £0.488 £0.341 £0.306 £0.265 Reel View £0.246 £0.234 £0.225 £0.213 £0.207	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 3.2V, Adjustable Delay Voltage Detector for Automotive BD52E32G-MTR ROHM Semiconductor 1: £0.458 1,199In Stock NRND	Mfr. Part No. BD52E32G-MTR Mouser Part No 755-BD52E32G-MTR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 3.2V, Adjustable Delay Voltage Detector for Automotive Learn More about ROHM Semiconductor rohm bd52 bd53 automotive voltage detector ics	Datasheet	1,199In Stock	Cut Tape £0.458 £0.325 £0.292 £0.255 Reel View £0.237 £0.226 £0.223 £0.213 £0.207	Min.: 1 Mult.: 1 : 3,000

Voltage Detectors (Reset ICs)

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