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Model A1229LUA-T
Description A1225/7/9 High Temperature Hall Effect Latches, Allegro Microsystems The A1225/7/9 High Temperature Hall Effect Latches are temperature-stable and stress resistant suitable for operation for temperatures up to 150°C. A Schmitt trigger circuit maintains operate and release point symmetry by compensating for temperature changes in the Hall element. Internal compensation provides magnetic switchpoints that become more sensitive with temperature, hence offsetting the usual degradation of the magnetic field with temperature. The symmetry capability makes these devices ideal for use in pulse-counting applications where duty cycle is an important parameter. The three basic devices (A1225, A1227, and A1229) are identical except for magnetic switchpoints. They also include a voltage regulator, Hall-voltage generator, temperature compensation circuit, signal amplifier, and a buffered open-drain output to sink up to 25 mA. The on-board regulator permits operation with supply voltages of 3.8 V to 24 V. The first character of the part number suffix determines the device operating temperature range. Suffix L is for –40°C to 150°C. Two package styles provide a magnetically optimised package for most applications. Available in a SOT89/TO-243AA package for surface-mount applications or three-lead ultra-mini-SIP. Symmetrical switchpoints Superior temperature stability Operation from unregulated supply Open-drain 25 mA output Reverse battery protection Activate with small, commercially available permanent magnets Resistant to physical stress Enhanced ESD structures result in 8 kV HBM ESD performance Internal protection circuits enable 40 V load dump compliance ### Hall effect sensor, Allegro Microsystems
Product QR code
Brand: Allegro MicroSystems
Packaging SIP-3
Delivery time
Packaging method Bulk
Standard packaging quantity 1
9.69  yuan 9.69yuan
10+:
$ 11.6268
100+:
$ 11.0455
500+:
$ 10.6579
1000+:
$ 10.6385
2000+:
$ 10.5610
5000+:
$ 10.4641
7500+:
$ 10.3866
10000+:
$ 10.3479
Quantity
10+
100+
500+
1000+
2000+
Price
$11.6268
$11.0455
$10.6579
$10.6385
$10.5610
Price $ 11.6268 $ 11.0455 $ 10.6579 $ 10.6385 $ 10.5610
Start batch production 10+ 100+ 500+ 1000+ 2000+
Check the distribution price
  • Freight charges：   In stock Freight rate：$13.00
  • Quantity： Inventory(1700) Minimum order quantity(10)
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Technical parameters/power supply voltage (DC): 3.80V (min)

Technical parameters/output current: 25 mA

Technical parameters/power supply current: 6 mA

Technical parameters/output current (Max): 25 mA

Technical parameters/operating temperature (Max): 150 ℃

Technical parameters/operating temperature (Min): -40 ℃

Technical parameters/power supply voltage: 3.8V ~ 24V

Technical parameters/power supply voltage (Max): 24 V

Technical parameters/power supply voltage (Min): 3.8 V

Encapsulation parameters/installation method: Through Hole

Package parameters/number of pins: 3

Encapsulation parameters/Encapsulation: SIP-3

External dimensions/length: 4.09 mm

External dimensions/width: 1.52 mm

External dimensions/height: 3.02 mm

External dimensions/packaging: SIP-3

Physical parameters/operating temperature: -40℃ ~ 150℃

Other/Product Lifecycle: Obsolete

Other/Packaging Methods: Bulk

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Compliant with standards/REACH SVHC standards: No SVHC

Compliant with standard/REACH SVHC version: 2015/06/15

Customs information/ECCN code: EAR99

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Alternative material

Model Brand Similarity Encapsulation Introduction Data manual
A1229LLTTR-T A1229LLTTR-T Allegro MicroSystems 类似代替 SOT-89-3
Hall Effect Sensor 25mA Latch 5V/9V/12V/15V/18V 4Pin(3+Tab) SOT-89 T/R
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