? 2015 littelfuse revised: 10/16/15 specifcations are subject to change without notice. 55505 hall effect flange mount geartooth speed sensor description the 55505 is a robust flange mounting hall effect sensor primarily for geartooth speed sensing. protected against severe and automotive environments. it is capable of switching up to 27vdc and 20ma and available as three-wire (voltage output) version. its case design encorporates brass mounting bush. it is ideally suited to wheel, transmission and camshaft speed sensing, geartooth sensor, rotary encoders, industrial, commercial, and automotive applications. hall effect sensors features ? ferrous target speed sensing ? internal circuit protection ? protection against severe and automotive environments ? self adjusting magnetic range ? automotive grade circuit protection ? high speed operation ? short circuit and reverse voltage protection ? on board 10-bit a/d convertor benefits ? no chopper delay ? immune to target run out ? rotational alignment to target not critical applications ? wheel, transmission and camshaft speed sensing ? geartooth sensor ? rotary encoders ? industrial ? commercial ? automotive dimensions dimensions in mm (inch) application example (geartooth sensor) block diagram flange mount geartooth > 55505 41 .40 (1 .630) 31 .75 (1 .250) 5.0 0 (.1 97) 6.35 nom. (.250) 30 0 (1 1 .81) 22.0 0 (.866) ?6.60 (.260) ?23.80 (.937) ?1 7 .86 (.703) 41 .40 (1 .630) 31 .75 (1 .250) 5.0 0 (.1 97) 6.35 nom. (.250) 30 0 (1 1 .81) 22.0 0 (.866) ?6.60 (.260) ?23.80 (.937) ?1 7 .86 (.703) vdd pin 3 (red) hall plate switch output clock comparator r1 c1 c2 rpu gnd pin 1 (black) out pin 2 (white with black stripe) typical output 2mm (.078) max. littelfuse.com
? 2015 littelfuse revised: 10/16/15 specifcations are subject to change without notice. 55505 hall effect flange mount geartooth speed sensor hall effect sensors electrical ratings hall type digital switch 3-wire (voltage output) supply voltage 1 operate overvoltage protection reverse voltage protection vdc vdc - max. vdc - max. 4.75 to 24 27 -25 output high voltage vdc - min. vdd -2 (-2 sinking output with internal pull-up) output low voltage vdc - max. 0.6 @ 20ma output current (continuously on) current consumption current consumption ma - max. ma - max. ma - max. 20 1 10.5 current consumption ma - min. ma - max. 1 10.5 switching speed khz-max. 15 temperature operating c -40 to +125 flange mount geartooth > 55505 note: 1. as long as tj (junction temperature) is not exceeded. cable length options cable type: 20awg 7/28 txl 125c sae j1128 select option cable length mm (inch) 02 300 (11.81) termination options select option description a tinned leads b deutsch dtm04-3p c molex mx 150 packaging packaging option packaging specification quantity quantity & packaging code taping width bulk bulk 500 n/a n/a part numbering system 55505 - 00 - 02 - x series termination a, b, or c cable length 02 littelfuse.com
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