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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 (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
Supervisory Circuits ICs, Power Management, Nano Energy™, 2.8V, Adjustable Delay Voltage Detector for Automotive BD5228G-2MTR ROHM Semiconductor 1: S/ 1.75 2,317In Stock	Mfr. Part # BD5228G-2MTR Mouser Part # 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	2,317In Stock	Cut Tape S/ 1.75 S/ 1.21 S/ 1.08 S/ 0.934 Reel S/ 0.747 View S/ 0.868 S/ 0.825 S/ 0.79 S/ 0.724 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: S/ 1.75 512In Stock	Mfr. Part # BD5229G-2MTR Mouser Part # 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 S/ 1.75 S/ 1.21 S/ 1.08 S/ 0.954 Reel S/ 0.743 View S/ 0.884 S/ 0.841 S/ 0.79 S/ 0.724 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: S/ 1.75 2,715In Stock	Mfr. Part # BD5231G-2MTR Mouser Part # 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 S/ 1.75 S/ 1.21 S/ 1.08 S/ 0.934 Reel S/ 0.751 View S/ 0.868 S/ 0.825 S/ 0.798 S/ 0.743 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: S/ 1.75 332In Stock	Mfr. Part # BD5240G-2MTR Mouser Part # 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 S/ 1.75 S/ 1.21 S/ 1.08 S/ 0.934 Reel S/ 0.732 View S/ 0.868 S/ 0.825 S/ 0.79 S/ 0.712 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: S/ 1.75 2,950In Stock	Mfr. Part # BD5245G-2MTR Mouser Part # 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	2,950In Stock	Cut Tape S/ 1.75 S/ 1.21 S/ 1.08 S/ 0.934 Reel S/ 0.747 View S/ 0.868 S/ 0.825 S/ 0.79 S/ 0.724 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: S/ 1.75 690In Stock 3,000Expected 12/8/2026	Mfr. Part # BD5246G-2MTR Mouser Part # 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 12/8/2026	Cut Tape S/ 1.75 S/ 1.21 S/ 1.08 S/ 0.934 Reel S/ 0.743 View S/ 0.868 S/ 0.825 S/ 0.79 S/ 0.724 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: S/ 1.83 204In Stock	Mfr. Part # BD5315G-2MTR Mouser Part # 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 S/ 1.83 S/ 1.26 S/ 1.12 S/ 0.969 Reel S/ 0.751 View S/ 0.895 S/ 0.852 S/ 0.817 S/ 0.743	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits CMOS Volt Det IC 3-5.5V HVSOF5 BD4142HFV-TR ROHM Semiconductor 1: S/ 2.14 115In Stock 12,000Expected 12/14/2026	Mfr. Part # BD4142HFV-TR Mouser Part # 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	115In Stock 12,000Expected 12/14/2026	Cut Tape S/ 2.14 S/ 1.48 S/ 1.32 S/ 1.15 Reel S/ 0.895 View S/ 1.07 S/ 1.02 S/ 0.977 S/ 0.872 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Management Specialized - PMIC PMIC 50mA Output LDO Voltage Tracker, 3V 42V, 40 A, 15mV Accuracy BD42500G-CTR ROHM Semiconductor 1: S/ 3.15 1,669In Stock 3,000Expected 1/28/2027	Mfr. Part # BD42500G-CTR Mouser Part # 755-BD42500G-CTR	ROHM Semiconductor	Power Management Specialized - 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 1/28/2027	Cut Tape S/ 3.15 S/ 2.26 S/ 2.04 S/ 1.78 View Reel S/ 1.41 S/ 1.67 S/ 1.59 S/ 1.53 S/ 1.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Management Specialized - PMIC PMIC 250mA Output LDO Voltage Tracker, 3V-42V, 40 A, 10mV Accuracy BD42530UEFJ-CE2 ROHM Semiconductor 1: S/ 5.18 568In Stock 2,500Expected 11/16/2026	Mfr. Part # BD42530UEFJ-CE2 Mouser Part # 755-BD42530UEFJ-CE2	ROHM Semiconductor	Power Management Specialized - 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 11/16/2026	Cut Tape S/ 5.18 S/ 3.76 S/ 3.40 S/ 3.01 Reel S/ 2.52 View S/ 2.82 S/ 2.71 S/ 2.64 S/ 2.46 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators 5.5-45V SOP-J8 14A LDO Regulator BD4269FJ-CE2 ROHM Semiconductor 1: S/ 6.42 390In Stock	Mfr. Part # BD4269FJ-CE2 Mouser Part # 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 S/ 6.42 S/ 4.71 S/ 4.24 S/ 3.76 Reel S/ 3.07 View S/ 3.54 S/ 3.40 S/ 3.36 S/ 3.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators 500mA LDO Regulator w/volt det 75uA 5V BD42754FP2-CE2 ROHM Semiconductor 1: S/ 10.04 193In Stock	Mfr. Part # BD42754FP2-CE2 Mouser Part # 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 S/ 10.04 S/ 7.47 S/ 6.85 S/ 6.11 Reel S/ 5.57 View S/ 5.80 S/ 5.29 S/ 5.25 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: S/ 2.37 1,354In Stock NRND	Mfr. Part # BD48E25G-MTR Mouser Part # 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 S/ 2.37 S/ 1.67 S/ 1.49 S/ 1.30 Reel View S/ 1.23 S/ 1.17 S/ 1.12 S/ 1.08 S/ 1.06 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: S/ 2.37 2,119In Stock NRND	Mfr. Part # BD48E28G-MTR Mouser Part # 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 S/ 2.37 S/ 1.67 S/ 1.49 S/ 1.30 Reel View S/ 1.21 S/ 1.16 S/ 1.11 S/ 1.07 S/ 1.05 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: S/ 2.37 2,410In Stock NRND	Mfr. Part # BD48E29G-MTR Mouser Part # 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 S/ 2.37 S/ 1.67 S/ 1.49 S/ 1.30 Reel View S/ 1.21 S/ 1.16 S/ 1.11 S/ 1.08 S/ 1.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 3.3V, High Accuracy Voltage Detector BD48E33G-TR ROHM Semiconductor 1: S/ 1.52 3,440In Stock NRND	Mfr. Part # BD48E33G-TR Mouser Part # 755-BD48E33G-TR NRND	ROHM Semiconductor	Supervisory Circuits ICs, Power Management, 3.3V, High Accuracy Voltage Detector	Datasheet	3,440In Stock	Cut Tape S/ 1.52 S/ 1.06 S/ 0.95 S/ 0.821 Reel S/ 0.689 View S/ 0.759 S/ 0.72 S/ 0.693 S/ 0.646	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 4.0V, High Accuracy Voltage Detector for Automotive BD48E40G-MTR ROHM Semiconductor 1: S/ 2.37 2,349In Stock NRND	Mfr. Part # BD48E40G-MTR Mouser Part # 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 S/ 2.37 S/ 1.67 S/ 1.49 S/ 1.30 Reel View S/ 1.21 S/ 1.16 S/ 1.11 S/ 1.07 S/ 1.05 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: S/ 2.37 854In Stock NRND	Mfr. Part # BD49E23G-MTR Mouser Part # 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 S/ 2.37 S/ 1.67 S/ 1.49 S/ 1.30 Reel View S/ 1.21 S/ 1.16 S/ 1.11 S/ 1.07 S/ 1.05	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits Motor Driver T/R BD49E30G-TR ROHM Semiconductor 1: S/ 1.32 2,735In Stock NRND	Mfr. Part # BD49E30G-TR Mouser Part # 755-BD49E30G-TR NRND	ROHM Semiconductor	Supervisory Circuits Motor Driver T/R	Datasheet	2,735In Stock	Cut Tape S/ 1.32 S/ 0.926 S/ 0.825 S/ 0.712 Reel View S/ 0.658 S/ 0.642 S/ 0.615 S/ 0.572 S/ 0.553	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: S/ 2.45 2,173In Stock NRND	Mfr. Part # BD49E40G-MTR Mouser Part # 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 S/ 2.45 S/ 2.34 S/ 2.28 S/ 1.98 Reel View S/ 1.84 S/ 1.75 S/ 1.68 S/ 1.07 S/ 1.05	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits CMOS DETEC VOLT 3.9V BD5239G-TR ROHM Semiconductor 1: S/ 1.40 2,980In Stock NRND	Mfr. Part # BD5239G-TR Mouser Part # 755-BD5239G-TR NRND	ROHM Semiconductor	Supervisory Circuits CMOS DETEC VOLT 3.9V	Datasheet	2,980In Stock	Cut Tape S/ 1.40 S/ 1.39 S/ 1.30 S/ 1.12 Reel View S/ 1.03 S/ 0.981 S/ 0.938 S/ 0.588 S/ 0.58 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: S/ 2.57 2,254In Stock NRND	Mfr. Part # BD52E23G-MTR Mouser Part # 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 S/ 2.57 S/ 2.50 S/ 2.38 S/ 2.07 Reel View S/ 1.92 S/ 1.83 S/ 1.76 S/ 1.12 S/ 1.10	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 2.5V, Adjustable Delay Voltage Detector for Automotive BD52E25G-MTR ROHM Semiconductor 1: S/ 2.53 2,472In Stock NRND	Mfr. Part # BD52E25G-MTR Mouser Part # 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 S/ 2.53 S/ 1.77 S/ 1.58 S/ 1.37 Reel View S/ 1.28 S/ 1.21 S/ 1.17 S/ 1.11 S/ 1.07	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits ICs, Power Management, 3.2V, Adjustable Delay Voltage Detector for Automotive BD52E32G-MTR ROHM Semiconductor 1: S/ 2.37 199In Stock NRND	Mfr. Part # BD52E32G-MTR Mouser Part # 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	199In Stock	Cut Tape S/ 2.37 S/ 1.68 S/ 1.51 S/ 1.32 Reel View S/ 1.23 S/ 1.17 S/ 1.15 S/ 1.11 S/ 1.07	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits Dual Output Fixed Output LDO Regulator BD52E42G-TR ROHM Semiconductor 1: S/ 1.52 3,896In Stock NRND	Mfr. Part # BD52E42G-TR Mouser Part # 755-BD52E42G-TR NRND	ROHM Semiconductor	Supervisory Circuits Dual Output Fixed Output LDO Regulator	Datasheet	3,896In Stock	Cut Tape S/ 1.52 S/ 1.06 S/ 0.95 S/ 0.821 Reel S/ 0.67 View S/ 0.759 S/ 0.72 S/ 0.693 S/ 0.631 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

Voltage Detectors (Reset ICs)

Types of Semiconductors

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Voltage Detectors (Reset ICs)

Types of Semiconductors