55140-2M-02-A datasheet, PDF - EEWORLD Datasheet

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55140-2M-02-A: CategoryThe sensor; File Size469KB，3 Pages; ManufacturerLittelfuse; Websitehttp://www.littelfuse.com

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55140-2M-02-A Parametric

Parameter Name	Attribute value
Maker	Littelfuse
package instruction	FLNG,.5\"H.SPACE
Reach Compliance Code	unknown
body width	14 mm
body height	6 mm
Body length or diameter	23 mm
Installation features	FLANGE MOUNT
Number of terminals	2
Maximum working current	17 mA
Maximum operating temperature	100 °C
Minimum operating temperature	-40 °C
Output circuit type	SINGLE-ENDED
Output interface type	2-WIRE INTERFACE
Output type	DIGITAL CURRENT
Package body material	METAL
Encapsulate equivalent code	FLNG,.5\"H.SPACE
Package Shape/Form	RECTANGULAR
power supply	3.8/24 V
Sensor/temperature sensor type	MAGNETIC FIELD SENSOR,HALL EFFECT
Maximum supply voltage	24 V
Minimum supply voltage	3.75 V
surface mount	NO
technology	CMOS
Termination type	CABLE

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Hall Effect Sensors

Flange Mount > 55140

55140 Miniature Flange Mounting Sensor

Description

The 55140 is a small flange mounting hall effect sensor occupying only 3.22cm²

(0.500”² ) board space 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,latching or programmable

analog types available

• Medium, high or programmable

sensitivities

• Three-wire (voltage output) or two-

wire (current output) versions

Comparator

Clock

Current

Source

Block Diagram

Two-wire Version

VDD

Pin 1

(Red)

GND

Pin 2

(Black)

Hall

Plate

• Vibration 50g max. @ 50-2,000Hz

• Shock 150g max. @ 11ms ½ Sine

• EMC to DIN 40839 (Consult

Littelfuse)

• Reverse/Over voltage protection

• Built in temperature compensation

• Open Drain Output

Switch

Benefits

• High switching speed up to 10kHz

• Long life; up to 20 billion operations

• Operates in static or dynamic

magnetic field

• Unaffected by harsh environment

• Customer selection of cable length

and connector type

Notes:

1. Add capacitor

as shown, close for the sensors 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 = 1.2

Applications

• Position and limit sensing

• RPM measurement

• Commutation of brushless

DC motors

• Flow metering

• Angle sensing

• Magnetic encoders

Three-wire Version

VDD

Pin 1

(Red)

GND

Pin 2

(Black)

VDD

Hall

Plate

Switch

Comparator

Clock

Output

Rpu

OUT

Pin 3

(Blue)

Dimensions

Dimensions in mm (inch)

Two-wire version illustrated.

6.00

(.236)

.50

(.295)

14.00

(.551)

23.00

(.906)

Encapsulant excluded

9.50

(.374)

11.00

(.433)

300

(11.81)

6.35 NOM.

(.250)

3.00

(.118)

3.20x3.81 TYP

Slot (.12x.150)

14.00

(.551)

Centre of Sensitivity

General Tol.: ±(.005) 0.13

Revised: 02/16/17

Specifications are subject to change without notice.

littelfuse.com

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