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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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
ROHM Semiconductor Supervisory Circuits IC Vtg detector
Datasheet
5 969In Stock
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
ROHM Semiconductor Supervisory Circuits IC Vtg detector
Datasheet
5 716In Stock
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
ROHM Semiconductor Supervisory Circuits Volt Det IC 2.3V Open Drain
Datasheet
2 990In Stock
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
ROHM Semiconductor Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (400msec) Voltage Detector
Datasheet
2 948In Stock
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
ROHM Semiconductor Supervisory Circuits 3.0V, Fixed Delay (200msec) Voltage Detector
Datasheet
3 723In Stock
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
ROHM Semiconductor Supervisory Circuits 3.3V, CMOS Output Type, Fixed Delay (200msec) Voltage Detector
Datasheet
2 549In Stock
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
ROHM Semiconductor Supervisory Circuits IC Vtg detector
Datasheet
5 950In Stock
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
ROHM Semiconductor Supervisory Circuits 2.4V 200ms SSOP3 Nch Volt Detctr IC
Datasheet
1 468In Stock
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
ROHM Semiconductor Supervisory Circuits Volt Det IC 2.5V Open Drain
Datasheet
2 925In Stock
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
ROHM Semiconductor Supervisory Circuits Volt Det IC 2.6V Open Drain
Datasheet
1 942In Stock
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
ROHM Semiconductor Supervisory Circuits Volt Det IC 3.2V Open Drain
Datasheet
2 767In Stock
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
ROHM Semiconductor Supervisory Circuits 4.5V 200ms SSOP3 Nch Volt Detctr IC
Datasheet
1 766In Stock
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
ROHM Semiconductor Supervisory Circuits Volt Det IC 4.7V Open Drain
Datasheet
1 744In Stock
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
ROHM Semiconductor Supervisory Circuits Volt Det IC 2.5V CMOS
Datasheet
2 940In Stock
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
ROHM Semiconductor Supervisory Circuits 2.3V 400ms SSOP3 Nch Volt Detctr IC
Datasheet
454In Stock
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
ROHM Semiconductor Supervisory Circuits 2.6V 200ms SSOP3 Nch Volt Detctr IC
Datasheet
838In Stock
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
ROHM Semiconductor Supervisory Circuits 2.7V 200ms SSOP3 Nch Volt Detctr IC
Datasheet
428In Stock
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
ROHM Semiconductor Supervisory Circuits 3.0V 400ms SSOP3 Nch Volt Detctr IC
Datasheet
206In Stock
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