Parameters |
Mount |
Through Hole |
Mounting Type |
Through Hole |
Package / Case |
3-SSIP |
Number of Pins |
3 |
Operating Temperature |
-40°C~150°C TA |
Packaging |
Bulk |
Published |
2011 |
JESD-609 Code |
e3 |
Feature |
Programmable Trip Point |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
3 |
Type |
Unipolar Switch |
Terminal Finish |
Matte Tin (Sn) |
Additional Feature |
REVERSE BATTERY PROTECTION |
Technology |
Hall Effect |
Voltage - Supply |
4.2V~24V |
Terminal Position |
SINGLE |
Peak Reflow Temperature (Cel) |
260 |
Supply Voltage |
12V |
Terminal Pitch |
1.27mm |
Reach Compliance Code |
unknown |
Time@Peak Reflow Temperature-Max (s) |
NOT SPECIFIED |
Function |
Unipolar Switch |
Current - Supply (Max) |
7mA |
Qualification Status |
Not Qualified |
Output Type |
Open Collector |
Max Output Current |
20mA |
Supply Voltage-Max (Vsup) |
24V |
Supply Voltage-Min (Vsup) |
4.2V |
Operating Supply Current |
10mA |
Polarization |
South Pole |
Output Current |
20mA |
Sensing Range |
Programmable |
Height Seated (Max) |
5.26mm |
Length |
4.09mm |
Width |
1.52mm |
RoHS Status |
ROHS3 Compliant |
A3251LUA-T Overview
This Bulk package protects the magnetic switch from damage. 3-SSIP packages are used to protect the magnetic switches from damage. The magnetic switches can supply 7mA as the maximum current for good performance. When they work, these switches can output 20mA as their maximum current. Switches require 3 pins to work. It contains 3 terminations. A switch's current output should generally be 20mA. If it works properly, this switch should produce a voltage of 24V. When this switch is operating reliably, it will supply 12V voltage. Magnetic switches are capable of providing voltages as low as 4.2V.
A3251LUA-T Features
Packaging: Bulk
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Supply Voltage: 4.2V~24V
Operating Temperature: -40°C~150°C TA
Mounting Type: Through Hole
3 Pins
3 Terminations
Output Type: Open Collector
Maximum Supply Current: 7mA
A3251LUA-T Applications
There are a lot of Allegro MicroSystems A3251LUA-T Magnetic Switches applications.
- Brushless DC (direct current) motor commutation
- Mixers
- Position tracking
- Motor assemblies
- Generator set
- End of travel and index sensors
- Speed and RPM (revolutions per minute) sensing
- Detection of ferromagnetic
- Reed switch replacement
- Position and limit sensing