Hall Effect Sensors
Flange Mount > 55100
55100 Miniature Flange Mounting Proximity Sensor
Description
The 55100 is a miniature flange mounting hall effect sensor 25.5mm (1.004”) x
11.00m (0.433”) and only 3.00mm (0.118”) high with a choice of digital or
programmable analogue outputs. It is available as three-wire (voltage output) or
two-wire (current output) versions. It’s case design enables screw or adhesive
mounting and capable of switching up to 28Vdc and 20mA. It comes with a
range of sensitivity, cable length and connector options.
Features
• Magnetically operated position
sensor
• Digital or programmable analog
types available
• Medium, high or programmable
sensitivities
• Three-wire (voltage output) or two-
wire (current output) versions
• Open Drain Output
• Reverse/Over voltage protection
• Built in temperature compensation
• Vibration 50g max. @ 50-2,000Hz
• Shock 150g max. @ 11ms ½ Sine
Dimensions
Dimensions in mm (inch)
3.00
(.118)
11.00
(.433)
Excluding encapsulant
25.50
(1.004)
7
.50
(.295)
16.60
(.654)
300
(11.81)
Benefits
6.35 NOM.
(.250)
Center of Sensitivity
3.30x4.20 TYP
.
SLOT (.130X.165)
(2.00)
• High switching speed up to 10kHz
• Long life - up to 20 billion
operations
• Unaffected by harsh environments
• Operates in static or dynamic
magnetic field
• Customer selection of cable length
and connector type
1.50
(.059)
Applications
• Position and limit sensing
• RPM measurement
• Flow metering
• Commutaion of brushless dc motors
• Angle sensing
• Magnetic encoders
Note: Two-wire version illustrated.
Block Diagram
Two-wire Version
VDD
Pin 1
(Red)
Cn
GND
Pin 2
(Black)
Hall
Plate
Current
Source
Switch
Comparator
Clock
Three-wire Version
VDD
Pin 1
(Red)
Cn
GND
Pin 2
(Black)
VDD
Hall
Plate
Switch
Comparator
Clock
Output
Rpu
OUT
Pin 3
(Blue)
Notes:
1. Add capcitor
Cn
as shown, close to the sensor , for transient suppression if required.
2. Add pull-up resistor
Rpu
as shown for sinking output. The Rpu value should be calculated
using your supply voltage while keeping the ON state current at a level below the
maximum. Rpu = VDD/Io;
Rpu = 12Vdc/10mA = 1.2kOhm
© 2015 Littelfuse
Revised: 11/02/15
Specifications are subject to change without notice.
littelfuse.com
Hall Effect Sensors
Flange Mount > 55100
55100 Miniature Flange Mounting Proximity Sensor
Electrical Ratings
Hall Type
Digital Switch
Three-Wire
(Voltage Output)
Absolute Ratings
Operate
Overvoltage Protection
Vdc
Vdc
Vdc - max.
Vdc - min.
Vdc - max.
-15 to +28
+3.8 to +24
32
Sinking output
0.4 @ 20mA
Digital Switch
Two-Wire (Current
Output)
-15 to +28
+3.75 to +24
32
N/A
N/A
A - Analogue
(Programmable Only)
8.5
4.5 - 5.5
19.5
4.65
0.35
2
Supply Voltage
1
Output High Voltage
Output Low Voltage
Output Current
(continuously on)
Current Consumption
Over Temperature Range
Switching Speed
Temperature
Operating
Low
High
mA - max.
mA - min.
mA - max.
kHz - max
°C
20
1.6 - 5.2
1.6 - 5.2
10
-40 to +100
N/A
5.0 - 6.9
12.0 - 17.0
10
-40 to +100
-1.0 to +1.0
2.0 - 10.0
2.0 - 10.0
2
-40 to +100
Notes:
1. As long as Tj (Junction Temperature) is not exceeded. It is recommended to operate within the normal Operate Supply Voltage of +24Vdc maximum.
Operating beyond Absolute Ratings may cause permanent damage to the Hall IC.
2. Preprogrammed by Littelfuse or Customer pending agreement.
3. For custom modifications to the wire length or size, or adding a special connector, please contact Littelfuse.
Hall Options
Select Option
2M
2H
3M
3H
AP
Hall Type
2 Wire Switch
2 Wire Switch
3 Wire Switch
3 Wire Switch
Analog
Sensitivity Gauss
(typ.)
120
57
130
59
Programmable
Activate - D
mm (inch)
13.5 (.531)
18.5 (.728)
12.5 (.492)
18.0 (709)
Consult Littelfuse
D
N
S
Note: Active distances are approximate using NEFEB Magnet 21 x 7 x 4.7 (.827l x .276W x .185H) LITTELFUSE P/N H-58
© 2015 Littelfuse
Revised: 11/02/15
Specifications are subject to change without notice.
littelfuse.com
Hall Effect Sensors
Flange Mount > 55100
55100 Miniature Flange Mounting Proximity Sensor
Cable Length Specification
Cable Type: 24 AWG 7/32 PVC 105°C UL1430/UL1569
Select Option
02
Cable Length
mm (inch)
300 (11.81)
Termination Specification
Termination Options
Select
Option
A
F
Description
(Two-wire versions illustrated)
Tinned leads (6.4±0.76)mm
Untinned leads (6.4±0.76)mm
JST type XHP 2.5mm pitch
Part Numbering System
E
55100 - XX - XX - X
Series
Hall Option
2M, 2H, 3M,
3H, or AP
Cable Length
02
Termination
A, E, or F
Packaging
Packaging Option
Bulk
Packaging Specification
Bulk
Quantity
500
Quantity & Packaging Code
N/A
Taping Width
N/A
© 2015 Littelfuse
Revised: 11/02/15
Specifications are subject to change without notice.
littelfuse.com
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