475 475 linearity exclusive for headlight angle detection with high accuracy and space-saving design linear type exclusively used to detect the angle of vehicle head lights rd7 product line for linearity, various specifications will be available, depending on the a pplications. please consult with us when placing your orders. note refer to p.477 for product specifcations. refer to p.478 for soldering conditions. packing specifications tray typical specifications items specifications rated voltage 12v dc operating life 2n max. total resistance 100,000 cycles operating temperature range ?40 to 105 drawing no. travel mm mounting method total resistance k ? model no. minimum order unit pcs. japan export 8 vertical type 4.7 1 rd708a029a 2,000 4,000 horizontal type 5 rd7081015a 1, 5 0 0 3,000 9 RD7091008A 1, 8 0 0 3,600 12 vertical type 2.2 rd712a028a 2,000 4,000 horizontal type 10 rd7121008a 1, 8 0 0 3,600 1 2 3 1 4 model no. mounting method number of packages pcs. export package measurements mm 1 case /japan 1 case /export packing rd708 vertical 2,000 4,000 363 527 215 horizontal 1, 5 0 0 3,000 363 507 216 rd709 1, 8 0 0 3,600 364 508 19 2 rd712 vertical 2,000 4,000 363 527 215 horizontal 1, 8 0 0 3,600 363 507 216 resistive position sensors
476 476 0.5 max. 9 9 3.4 15.8 tr avel 4 1.6 r0.3 0.8 max. 0.3 0.8 11 .4 3.7 2.75 2.75 c0.3 0.6 2.5 (5) 0.4 4 ?2.05 2t 1t 3t 3 rd7091 circuit diagram 3t 2t 1t 2 15 10 0.7 max. c 3.8 1.5 1.85 0.3 (10.5) 0.8 max. 4.5 8 9.65 3.4 2t 1t 3t ?2 (11.6) 0.6 c0.3 (5) 4 (travel) reference for mounting mounting face rd7081 circuit diagram 3t 2t 1t 4 rd7121 circuit diagram 3t 2t 1t dimensions unit:mm no. 1 style photo rd708a rd712a rd708a 8 15 3.4 dimension model a s rd712a 12 19 3.8 b c0.3 ?2 4 5 0.6 a 3t 1t 2t 10 11 .6 1.5 0.8 max. 3.5 s 4 3 b 0.3 3 1.55 tr avel 5 mounting face circuit diagram 3t 2t 1t - j o f b s 5 z q f & y d m v t j w f m z 6 t f e u p % f u f d u u i f " o h m f p g 7 f i j d m f ) f b e - j h i u t rd7 resistive position sensors
477 477 method for regulating the linearity with rated voltage applied between terminals 1 and 3, the straight line which connects the measured output values vb and va at specifed reference positions b and a is assumed to be an ideal straight line, so that deviation against the ideal straight line when the voltage applied between terminals 1 and 3 is assumed to be 100 can be expressed as a percentage. . f d i b t u s p l f position b position a v a v b a b model rdc80 4t output 2t output 3% 3% 165? 165? 180? phase difference output voltage ratio% 2. the center is in the configuration diagram condition 1. reference taper : 100% / 340? 100 0 50 0? center model rdc40 output voltage ratio % 0 0 5 100 va 13 rotations 1% 1. reference taper : 90%/13rotations 2. va is measured output value output voltage ratio % 0 0 5 100 va 13 rotations ?1% 1. reference taper : 90%/13rotations 2. va is measured output value model rdc10 / rd7 0 0? 100 b 50 c 1. reference taper 100/a 2. index point is 50% output point (rdc50/rdc90/rdcc0 ) output voltage ratio% the center is in the configuration diagram condition model rdc50 / rdc90 / rd6r1a / rdcc0 total resistance the total resistance, with the shaft lever placed at the end of terminal 1 or 3, shall be determined by measuring the resistance between the resistor terminals 1 and 3 unless otherwise specifed. rating voltage the rating voltage corresponding to the rated power shall be determined by the following equation. when the resulting rated voltage exceeds the maximum operating voltage of a specifc resistor, the maximum operating voltage shall be taken as the rated voltage. resistive position sensor e= p ? r e rated voltage v p rated power w r total nominal resistance series a b c 333.3 16 0 2 80 30 3 260 12 2 320 15 5 2 30 15 2 resistive position sensors / measurement and test methods resistive position sensors
465 465 type linear type series rdc1010 rdc10 rd7 photo direction of lever vertical vertical horizontal effective electrical angle ? ` ` ` linearity guarantee range ? ` ` ` travel 10 m m 14 m m 22mm 32mm 47mm 8mm 12 m m 8mm 9mm 12 m m operating temperature range ?30 to 85 ? 4 0 t o 10 5 operating life 50,000 cycles 200,000 cycles 100,000 cycles available for automotive use ` life cycle (availability) mechanical performance operating force 0.25n m ax. 2n ma x . rotational torque ` ` ` electrical performance total resistance tolerance 30% 20% linearity % 0.5 1 rated voltage v dc 5 12 environmental performance cold ?40 240h ?40 96h dry heat 80 24 0h 90 24 0h 10 5 9 6 h damp heat 60, 90 to 95%rh 240h 40, 90 to 95%rh 9 6h terminal style insertion lead terminal/insertion insertion page 472 475 resistive position sensors measurement and test methods ?????????????????????????????????? 477 resistive position sensors soldering conditions????????????????????????????????????????? 478 resistive position sensors cautions ??????????????????????????????????????????????? 479 notes 1. the rd7 series are used to detect vehicle headlight angles. 2. indicates applicability to all products in the series. new resistive position sensors
478 478 reference for manual soldering example of reflow soldering condition reference for dip soldering i max. h max. 300 200 100 room temperature pre-heating e max. times temperature a b c d f max. g max. series tip temperature soldering time rdc50, rdc90, rdc80 3505 3 s 350 max. 3s max. series preheating dip soldering no. of solders soldering surface temperature heating time soldering temperature soldering time 10 0 t o 15 0 1minute max. 2605 10 1s 1 time 10 0 m a x . 1minute max. 260 max. 5s max. 1 time +1 0 1. cleaning cleaning should not be attempted. 2. type of solder to be used use cream solder that contains 10 to 15 %wt flux. 3. number of solder applications - apply solder only once 4. recommended reflow conditions 1. when using an infrared reflow oven, solder may not always be applied as intended. be sure to use a hot air reflow oven or a type that uses infrared rays in combination with hot air. 2. the temperatures given above are the maximum temperatures at the terminals of the sensor when employing a hot air reflow method. the temperature of the pc board and the surface temp erature of the sensor may vary greatly depending on the pc board material, its size and thickness. ensure that the surface temperature of the sensor does not rise to 250 or greater. 3. conditions vary to some extent depending on the type of reflow bath used. be sure to give due consideration to this prior to use. notes resistive position sensors / soldering conditions series a b c d e f g h i no. of reflows 250 230 18 0 15 0 2min. ` 5s 40s 4min. 1 time 255 230 ` ` ` 2min. 10 s 1m i n . 4min. 1 time 250 ` 18 0 15 0 9030s ` 10 1s ` ` 1 time resistive position sensors
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