Parameters |
Contact Plating |
Copper, Silver, Tin |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
4-UFBGA, WLBGA |
Number of Pins |
4 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
Published |
2011 |
JESD-609 Code |
e1 |
Pbfree Code |
yes |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
4 |
Type |
Hall Effect Switch |
Terminal Finish |
Tin/Silver/Copper (Sn/Ag/Cu) |
Subcategory |
Other Sensors |
Technology |
Hall Effect |
Voltage - Supply |
1.8V~3.3V |
Function |
Omnipolar Switch |
Body Length or Diameter |
0.8mm |
Body Breadth |
0.8 mm |
Output Type |
Push-Pull |
Operating Supply Voltage |
2.5V |
Power Supplies |
1.8/3.3V |
Polarization |
North Pole, South Pole |
Max Supply Current |
12μA |
Output Polarity |
COMPLEMENTARY |
Sensing Method |
Hall Effect |
Test Condition |
25°C |
Sensing Range |
±6mT Trip, ±1.2mT Release |
Hysteresis |
0.15 mT |
Magnetic Field Range-Min |
-6 mT |
Magnetic Field Range-Max |
6 mT |
Input Mode |
BIPOLAR |
Body Height |
0.506mm |
REACH SVHC |
No SVHC |
RoHS Status |
ROHS3 Compliant |
AH1891-CA4-7 Overview
Designed to protect magnetic switches from damage, the Tape & Reel (TR) package contains the switches. 4-UFBGA, WLBGA packages are used for safety reasons to protect magnetic switches. Currents up to 12μA can be supplied by these switches. To make the switches work, they have 4 pins. The document has 4 terminations. When the magnetic switch operates, it could supply 2.5V voltage.
AH1891-CA4-7 Features
Packaging: Tape & Reel (TR)
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Supply Voltage: 1.8V~3.3V
Operating Temperature: -40°C~85°C TA
Mounting Type: Surface Mount
4 Pins
4 Terminations
Output Type: Push-Pull
AH1891-CA4-7 Applications
There are a lot of Diodes Incorporated AH1891-CA4-7 Magnetic Switches applications.
- Process speed
- Speedometers
- Reed switch replacement
- Navigation
- Rotary applications
- Magnetic encoders
- Pumps
- Robotics control
- Motor and fan control
- Wiper home/end position sensor