? 2017 littelfuse revised: 02/16/17 specifcations are subject to change without notice. 55140 miniature flange mounting sensor description the 55140 is a small flange mounting hall effect sensor occupying only 3.22cm2 (0.5002 ) 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. its 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. hall effect sensors 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 ? vibration 50g max. @ 50-2,000hz ? shock 150g max. @ 11ms ? sine ? emc to din 40839 (consult littelfuse) ? reverse/over voltage protection ? built in temperature compensation ? open drain output 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 applications ? position and limit sensing ? rpm measurement ? commutation of brushless dc motors ? flow metering ? angle sensing ? magnetic encoders dimensions dimensions in mm (inch) block diagram flange mount > 55140 notes: 1. add capacitor cn 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 23.0 0 (.906) 9.50 (.37 4) encapsulant excluded 30 0 (1 1 .81) 6.35 nom. (.250) 1 4.0 0 (.551) 11 .0 0 (.433) general t ol.: (.0 05) 0.1 3 3.20x3.81 typ . slot (.1 2x.1 50) centre of sensitivit y 6.0 0 (.236) 3.0 0 (.1 18 ) 1 4.0 0 (.551) 7 .50 (.295) tw o-wire v ersion illustrated. vdd pin 1 (red) hall plate clock comparator cn gnd pin 2 (black) switch current source t wo-wire ve r sion vdd pin 1 (red) hall plate clock comparator cn rpu vdd out pin 3 (blue) gnd pin 2 (black) switch output three-wire ve r sion littelfuse.com
? 2017 littelfuse revised: 02/16/17 specifcations are subject to change without notice. 55140 miniature flange mounting sensor hall effect sensors flange mount > 55140 electrical ratings hall type digital switch three-wire (voltage output) digital switch two-wire (current output) a - analogue (programmable only) 2 supply voltage 1 absolute ratings operate overvoltage protection vdc vdc vdc - max. -15 to +28 +3.8 to +24 32 -15 to +28 +3.75 to +24 32 8.5 4.5 - 5.5 19.5 output high voltage vdc - min. sinking output n/a 4.65 output low voltage vdc - max. 0.4 @ 20ma n/a 0.35 output current (continuously on) ma - max. 20 n/a -1.0 to +1.0 current consumption over temperature range low high ma - min. ma - max. 1.6 - 5.2 1.6 - 5.2 5.0 - 6.9 12.0 - 17.0 2.0 - 10.0 2.0 - 10.0 switching speed khz 10 10 2 temperature operating c -40 to +100 -40 to +100 -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. littelfuse.com
? 2017 littelfuse revised: 02/16/17 specifcations are subject to change without notice. packaging packaging option packaging specification quantity quantity & packaging code taping width bulk bulk 500 n/a n/a part numbering system 55140 - xx - xx - x series termination a, e, or f cable length 02 hall option 2m, 2h, 3m, 3h, or ap hall effect sensors flange mount > 55140 55140 miniature flange mounting sensor cable length options cable type: 24awg 7/32 pvc 105 c ul 1430/ul1569 select option cable length mm (inch) 02 300 (11.81) hall options select option hall type sensitivity gauss (typ.) activate - d mm (inch) 2m 2 wire switch 120 13.5 (.531) 2h 2 wire switch 57 18.5 (.728) 3m 3 wire switch 130 12.5 (.492) 3h 3 wire switch 59 18.0 (709) ap analog programmable consult littelfuse note: active distances are approximate using nefeb magnet 21 x 7 x 4.7 (.827l x .276w x .185h) littelfuse p/n h-58 termination specification termination options select option description (two-wire versions illustrated) a tinned leads (6.40.76)mm f untinned leads (6.40.76)mm e jst type xhp 2.5mm pitch d ns littelfuse.com
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