A3251ELTTR
| Parameters | |
|---|---|
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Surface Mount | YES |
| Operating Temperature | -40°C~85°C TA |
| Packaging | Tape & Reel (TR) |
| Published | 2011 |
| JESD-609 Code | e0 |
| Feature | Programmable Trip Point |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 3 |
| Terminal Finish | TIN LEAD |
| HTS Code | 8542.39.00.01 |
| Technology | Hall Effect |
| Voltage - Supply | 4.2V~24V |
| Terminal Position | SINGLE |
| Terminal Form | FLAT |
| Peak Reflow Temperature (Cel) | 240 |
| Supply Voltage | 12V |
| Terminal Pitch | 1.5mm |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| JESD-30 Code | R-PSSO-F3 |
| Function | Unipolar Switch |
| Current - Supply (Max) | 7mA |
| Qualification Status | Not Qualified |
| Output Type | Open Collector |
| Supply Voltage-Max (Vsup) | 24V |
| Supply Voltage-Min (Vsup) | 4.2V |
| Analog IC - Other Type | ANALOG CIRCUIT |
| Polarization | South Pole |
| Current - Output (Max) | 20mA |
| Sensing Range | Programmable |
| Height Seated (Max) | 1.6mm |
| Length | 4.5mm |
| Width | 2.445mm |
| RoHS Status | Non-RoHS Compliant |
A3251ELTTR Overview
An integrated magnetic switch is packaged within the Tape & Reel (TR) in order to protect it against damage. Safety precautions are taken by packaging the magnetic switches in TO-243AA packages. A magnetic switch can supply a maximum current of 7mA if it is well designed. For magnetic switches to be actuated, the maximum current should be 20mA. As far as terminations are concerned, there are 3. In order for this switch to function properly, it should supply a voltage of 24V. In normal circumstances, this switch will provide 12V voltage to ensure reliable operation. In this magnetic switch, 4.2V is the minimum voltage that can be supplied.
A3251ELTTR Features
Packaging: Tape & Reel (TR)
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Supply Voltage: 4.2V~24V
Operating Temperature: -40°C~85°C TA
Mounting Type: Surface Mount
3 Terminations
Output Type: Open Collector
Maximum Supply Current: 7mA
A3251ELTTR Applications
There are a lot of Allegro MicroSystems A3251ELTTR Magnetic Switches applications.
- Magnetic encoders
- Reed switch replacement
- Speedometers
- Gear reducer RPM
- Identification of magnetic patterns in cards and banknotes
- Medication dispensing control
- Synchronization
- Spindles
- Clutch/brake position sensor
- Reading of magnetic data storage media
