| PartNumber | HAL1820SF-A | HAL1821SF-A | HAL1820UA-A |
| Description | Board Mount Hall Effect / Magnetic Sensors Programmable Linear Hall Sensor | Board Mount Hall Effect / Magnetic Sensors Linear Hall Sensor with Fixed Sensitivity | Board Mount Hall Effect / Magnetic Sensors Programmable Linear Hall Sensor |
| Manufacturer | TDK | TDK | TDK |
| Product Category | Board Mount Hall Effect / Magnetic Sensors | Board Mount Hall Effect / Magnetic Sensors | Board Mount Hall Effect / Magnetic Sensors |
| RoHS | Y | Y | Y |
| Type | Programmable Linear Hall Effect Sensor | Linear Hall Effect Sensor | Programmable Linear Hall Effect Sensor |
| Operating Supply Current | 7 mA | - | 7 mA |
| Maximum Output Current | 1 mA | - | 1 mA |
| Operating Point Min/Max | - 160 mT to + 160 mT | - | - 160 mT to + 160 mT |
| Operating Supply Voltage | 5 V | - | 5 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 170 C | - | + 170 C |
| Mounting Style | SMD/SMT | - | Through Hole |
| Package / Case | SOT-89-4 | - | TO-92-UA-3 |
| Packaging | Ammo Pack | - | Ammo Pack |
| Output Type | Analog | - | Analog |
| Output Voltage | 4.9 V | - | 4.9 V |
| Product | Linear Hall Effect Sensors | - | Linear Hall Effect Sensors |
| Resolution | 10 bit | - | 10 bit |
| Series | HAL1820 | HAL182 | HAL1820 |
| Termination Style | SMD/SMT | - | Through Hole |
| Brand | TDK-Micronas | TDK-Micronas | TDK-Micronas |
| Product Type | Hall Effect / Magnetic Sensors | Hall Effect / Magnetic Sensors | Hall Effect / Magnetic Sensors |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Sensors | Sensors | Sensors |
| Supply Voltage Max | 5.5 V | - | 5.5 V |
| Supply Voltage Min | 4.5 V | - | 4.5 V |
| Unit Weight | - | - | 0.001199 oz |