| PartNumber | APX809S-44SA-7 | APX809S-40SR-7 | APX809S-40SA-7 |
| Description | Supervisory Circuits Reset Generator | Supervisory Circuits Reset Generator | Supervisory Circuits Reset Generator |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Category | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Type | Voltage Monitors | Voltage Monitors | Voltage Monitors |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-3 | SOT-23-3 | SOT-23-3 |
| Threshold Voltage | 4.38 V | 4 V | 4 V |
| Number of Inputs Monitored | 1 Input | 1 Input | 1 Input |
| Output Type | Active Low, Push-Pull | Active Low, Push-Pull | Active Low, Push-Pull |
| Manual Reset | No Manual Reset | No Manual Reset | No Manual Reset |
| Watchdog Timers | No Watchdog | No Watchdog | No Watchdog |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Reset Delay Time | 240 ms | 240 ms | 240 ms |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | APX809S/810S | APX809S/810S | APX809S/810S |
| Packaging | Reel | Reel | Reel |
| Brand | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Overvoltage Threshold | 4.44 V | 4.05 V | 4.05 V |
| Undervoltage Threshold | 4.32 V | 3.94 V | 3.94 V |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 7 uA | 7 uA | 7 uA |
| Power Fail Detection | No | No | No |
| Product Type | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 1 V | 1 V | 1 V |
| Unit Weight | 0.000282 oz | 0.000282 oz | 0.000282 oz |