Specification	BU4221FVE-TR

Mounting Type	Surface Mount
Number of Voltages Monitored	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output	Open Drain, Open Collector
Package / Case	SOT-665
Package Name	5-VSOF
Reset	Active Low
Reset Timeout	Selectable, Adjustable
Type	Simple Reset/Power-On Reset
Voltage - Threshold	2.1 V

BU4221 Series

Part	Voltage - Threshold	Package / Case	Mounting Type	Reset	Operating Temperature (Max)	Operating Temperature (Min)	Package Name	Number of Voltages Monitored	Reset Timeout	Output	Type
Rohm Semiconductor BU4221FVE-TR	2.1 V	SOT-665	Surface Mount	Active Low	125 °C	-40 °C	5-VSOF	1	Adjustable Selectable	Open Collector Open Drain	Simple Reset/Power-On Reset
Rohm Semiconductor BU4221F-TR	2.1 V	SC-82	Surface Mount	Active Low	125 °C	-40 °C	4-SOP	1	Adjustable Selectable	Open Collector Open Drain	Simple Reset/Power-On Reset
Rohm Semiconductor BU4221G-TR	2.1 V		Surface Mount	Active Low	125 °C	-40 °C	5-SSOP	1	Adjustable Selectable	Open Collector Open Drain	Simple Reset/Power-On Reset

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