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| PartNumber | BU4921F-TR | BU4921F , TPC8107 , W5F | BU4921FVE , TPC8203 , W5 |
| Description | Supervisory Circuits VOLT DETECT .9V-4.8V 4-PIN | ||
| Manufacturer | ROHM Semiconductor | - | - |
| Product Category | Supervisory Circuits | - | - |
| RoHS | Y | - | - |
| Type | Voltage Detectors | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOP-4 | - | - |
| Threshold Voltage | 2.1 V | - | - |
| Number of Inputs Monitored | 1 Input | - | - |
| Output Type | CMOS | - | - |
| Manual Reset | No Manual Reset | - | - |
| Watchdog Timers | No Watchdog | - | - |
| Battery Backup Switching | No Backup | - | - |
| Reset Delay Time | No | - | - |
| Supply Voltage Max | 7 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Quiescent Current | 0.35 uA | - | - |
| Accuracy | 1 % | - | - |
| Series | BU4921F | - | - |
| Packaging | Reel | - | - |
| Brand | ROHM Semiconductor | - | - |
| Overvoltage Threshold | 2.121 V | - | - |
| Undervoltage Threshold | 2.079 V | - | - |
| Chip Enable Signals | No Chip Enable | - | - |
| Development Kit | - | - | - |
| Operating Supply Current | 550 nA | - | - |
| Pd Power Dissipation | 400 mW | - | - |
| Power Fail Detection | No | - | - |
| Product Type | Supervisory Circuits | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Supply Voltage Min | 0.7 V | - | - |
| Part # Aliases | BU4921F | - | - |