littelfuse.com© 2015 Littelfuse Revised: 11/02/15
Specifications are subject to change without notice.
55110 Miniature Flange Mounting Proximity Sensor
Description
The 55110 is a flange mounting hall effect sensor with integral LED for visual
indication of operation, 34.00mm (1.339”) x 14.00m (0.551”) x 10.00mm (0.394”)
with a choice of digital outputs. It is available as three-wire (voltage output)
version and it’s case design enables screw or adhesive mounting. It is capable of
switching up to 28Vdc and 20mA. It works best with the operating magnet with
the Littelfuse part number H-58.
Hall Effect Sensors
Features
• Magnetically operated position
sensor
• Integral LED
• Medium or high sensitivities
• Three-wire (voltage output)
• Reverse/Over voltage protection
• Built in temperature compensation
Benefits
• High switching speed up to 10kHz
• Long life - up to 1 billion operations
• Visual indication of operation
• Unaffected by harsh environments
• Operates in static or dynamic
magnetic field
• Customer selection of cable length
and connector type
Applications
• Position and limit sensing
• Magnetic encoders
Dimensions
Dimensions in mm (inch)
Block Diagram
LED Flange Mount > 55110
Note:
1. Add capacitor Cn as shown, close for the sensors for transient suppression if required.
General Tol.: ±0.25 (.010)
Centre of Sensitivity
300
(11.81)
Integral LED
(.250)
3.50x6.50 TYP.
Slot (.138x.256)
10.00
(.394)
8.75
(.268)
(.551)
Encapsulant excluded
4.00
(.157)
34.00
(1.339)
22.00
(.427)
12.00
(.427)
15.00
(.826)
VDD
Pin 1
(Red)
Hall
Plate
Clock
Comparator
Cn
Rpu
OUT
Pin 3
(Blue)
GND
Pin 2
(Black)
Switch Output
