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| PartNumber | BU4839F-TR | BU4839FTR | BU4839F , TNT2479AT , 2D |
| Description | Supervisory Circuits IC CMOS VOLT DETECT | Processor Supervisors | |
| Manufacturer | ROHM Semiconductor | - | - |
| Product Category | Supervisory Circuits | - | - |
| RoHS | Y | - | - |
| Type | Voltage Detectors | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOP-4 | - | - |
| Threshold Voltage | 3.9 V | - | - |
| Number of Inputs Monitored | 1 Input | - | - |
| Output Type | Open Drain | - | - |
| 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 | 0.5 uA | - | - |
| Accuracy | 1 % | - | - |
| Series | BU4839F | - | - |
| Packaging | Reel | - | - |
| Brand | ROHM Semiconductor | - | - |
| Overvoltage Threshold | 3.939 V | - | - |
| Undervoltage Threshold | 3.861 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 | BU4839F | - | - |