

ALLEGRO A3251LLT
Manufacturer No:
A3251LLT
Manufacturer:
Package:
TO-243AA
Description:
Open Collector 4.2V~24V -40°C~150°C TA Unipolar Switch South Pole Programmable 7mA-Supply (Max) 20mA-Output (Max) TIN LEAD Programmable Trip Point TO-243AA
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A3251LLT information
ALLEGRO A3251LLT technical specifications, attributes, parameters and parts with similar specifications to ALLEGRO A3251LLT.
- Type
- Parameter
- Mounting Type
- Surface Mount
- Package / Case
- TO-243AA
- Surface Mount
- YES
- Operating Temperature
- -40°C~150°C TA
- Packaging
- Bulk
- 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
- 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
- Length
- 4.5mm
- Height Seated (Max)
- 1.6mm
- Width
- 2.445mm
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for ALLEGRO A3251LLT.
A3251LLT Overview
A protective Bulk package surrounds the magnetic switch to protect it from damage. Magnet switches are packed in TO-243AA packages for safety reasons. As a maximum current, magnetic switches can supply 7mA. A magnetic switch should only output 20mA current. The document has 3 terminations. Switches like this should supply voltages no higher than 24V. It is normal for this switch to supply 12V in order to perform reliably. This magnetic switch can provide 4.2V voltage as the minimum voltage.
A3251LLT Features
Packaging: Bulk
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Supply Voltage: 4.2V~24V
Operating Temperature: -40°C~150°C TA
Mounting Type: Surface Mount
3 Terminations
Output Type: Open Collector
Maximum Supply Current: 7mA
A3251LLT Applications
There are a lot of Allegro MicroSystems
A3251LLT Magnetic Switches applications.
- Motor and fan control
- Robotics control
- Electric window lift
- Convertible roof position
- Motor assemblies
- Medication dispensing control
- Security and military applications
- Detection of ferromagnetic
- Discrimination of ferromagnetic
- Localization of ferromagnetic
User Guide
Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.
MEANS OF PAYMENTFor your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.
RFQ (REQUEST FOR QUOTATIONS)Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.
Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1:Prepare product

Step2:Desiccant Protection

Step3:Vacuum Packaging

Step4:Individual Package

Step5:Anti-collision Filling

Step6:Packaging Box
1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
A3251LLT Relevant information
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