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340 high performance potentiometer with excellent operational feel 27mm size metal shaft type rk271 product line number of resistor elements mounting direction single-unit dual-unit horizontal type shaft type slotted flat length of the shaft l 1 mm 25 20 25 20 25 center detent 31 without total resistance k ? 10 0 resistance taper 15 a products no. rk2711120026 RK271111001T rk27112a00ak rk27112a00cc rk27112a0a16 rk27112a00b9 minimumorder unit pcs. japan export 10 0 500 drawing no. 1 2 3 refer to p.341 for attached parts. refer to p.342 for other specifications. refer to p.343 for ordering products not listed. refer to p.349 for soldering conditions. other varieties are also available. refer to "other specifications" (p.342). note typical specifications items specifications total resistance tolerance 20 maximum operating voltage 30v ac total rotational angle 3003 rotational torque 8 to 35mn?m operating life 15,000 cycles operating temperature range ?10 to 70 packing specifications bulk number of resistor elements/ shaft length number of packages pcs. export package measurements mm 1 case /japan 1 case /export packing single-unit / 25mm dual-unit / 20mm 10 0 500 3805 4 0314 dual-unit / 25mm 360510359 rotary potentiometers slide potentiometers metal shaft insulated shaft knob operating ring type
341 no. 1 2 photo style pc board mounting hole dimensions viewed from mounting side 7 10 27 15.3 4 12.5 12 24.5 1 ?3 2 m8g0.75 3 2 1 r1 not specified slotting angle ?6 1 1.6 25 c0.5 ?6 1 1.6 7 10 27 25.3 4 12.5 12 24.5 1 ?3 2 m8g0.75 c0.5 3 2 1 r1r2 not specified slotting angle l 1 3 ? $ ? dimensions single-shaft, single-unit rk27111 single-shaft, dual-unit rk27112 single-shaft, dual-unit rk27112 unit:mm 20 25 l 1 20 25 l 1 the following parts are included with the product. nut washer 27mm size metal shaft type / attached parts ?14 ?8.1 0.5 11 m8 0.75 2 unit:mm rk27127mm size metal shaft type 5 55 3-?1.2 hole mounting surface 5 55 6-?1.2 hole 10 mounting surface rk27112a-rv6- go $.eps 5 10 55 6??1.2 hole mounting surface rotary potentiometers slide potentiometers metal shaft insulated shaft knob operating ring type 342 refer to p.341 for attached parts. refer to p.343 for ordering products not listed. in addition to the products listed, we can accommodate the follow specifications. products specification type model mounting heightmm detent variety gang error single-shaft, single-unit rk27111 single-shaft, dual-unit rk27112 single-shaft, quad-unit rk27114 12 . 5 center 21 31 41 ?60db to 0db within 3db ?80db to ?60db within 5db possible depending on total resistance and taper. total resistance variety total resistance k? 10 5 20 50 10 0 250 resistance taper resistance taper 15 a 3b dimensions of shaft 1 slotted type unit:mm 2 flat type unit:mm m8 g 0.75 l 1 r 1 7 ?6 c1 60? 4.5 shaft shown in full ccw position m8 g 0.75 7 c0.5 l 1 ?6 1 1.6 not specified slotting angle l 1 15 20 25 30 r 1 7 12 12 12 l 1 15 20 25 30 marked are specifications recommended by alps. note 27mm size metal shaft type / other specifications rotary potentiometers slide potentiometers metal shaft insulated shaft knob operating ring type 343 100 90 80 70 60 50 40 30 20 10 0 100908070605040302010 rotation travel ( % ) term."1" term."3" output volt.across term.1-2 input volt. across term. 1-3 g 100 ( % ) v(vol.control)(3b) j j a(15a) when ordering product varieties that are not listed, specify referring to the examples below. sample part number r k 2 7 1 1 2 a 0 s 2 5 c 0 a 1 0 4 detent model type code 111 11 2 14 a 12 a model type single unit single unit, with detent quad-unit for vol. dual unit for vol. shaft type code f shaft type flat s slotted resistance taper code a v resistance taper 15 a 3b total resistance code 502 10 3 total resistance k ? 5 10 total resistance k ? 50 10 0 code 503 10 4 203 20 250 254 length of the shaft l 1 mm code 15 length of the shaft 15 20 25 30 20 25 30 code c0 c1 detent without center 21 31 41 21 31 41 marked are specifications recommended by alps. note 27mm size metal shaft type / ordering products not listed rotary potentiometers slide potentiometers metal shaft insulated shaft knob operating ring type 312 list of varieties metal shaft potentiometers type 16mm size 20mm size 27mm size 50mm size rotary motor-driven series rk163 rk203/ec20a rk271 rk501 rk168 single-shaft number of resistor elements single/dual single single/dual/quad dual/quad dual/quad/5-ganged/6-ganged photo terminal mounting horizontal vertical horizontal fixing method of bushing bushing screw clamp operating temperature range ?10 to 70 rk203 ?40 to 85 ec20a ?30 to 80 ?10 to 70 operating life 15,000 cycles 30,000 cycles 15,000 cycles available for automotive use life cycle (availability) electrical performance total resistance k ? 5, 10, 20, 50, 100, 200 10 5, 10, 20, 50, 100, 250 10, 20, 50, 100 resistance taper 15a, 1b, 3b, 15c b 15 a , 3 b rated power 0 .1w 0.05w 15a 0.05w 0 .1w 0.05w residual resistance rQ10k 20 max. 10k?rQ50k 30 max. 50k?r3m nominal total resistance of 0 .1% o r l e s s % rQ10k 20 max. 10k?r50k 30 max. 50k?Qr nominal total resistance of 0 .1% o r l e s s % maximum attenuation volume control 5k?Qr 10k 7 0db min. 10k?Qr 50k 8 0db min. 50k?Qr100k 9 0db min. 10 0 k ?Qr 10 0 d b m i n . 5k?Qr 10k 7 0db min. 10k?Qr 50k 8 0db min. 50k?Qr100k 9 0db min. 100k?Qr 100db min. 12 0 d b m i n . 5k?Qr 10k 7 0db min. 10k?Qr 50k 8 0db min. 50k?Qr100k 9 0db min. 100k?Qr 100db min. gang error applicable to dual-unit parts for audio volume control purposes ?40db to 0db 3db max. ?70db to ?60db3db max. ?60db to 0db2db max. ?100db to 0db 2db max. ?60db to ?40db5db max. ?40db to 0db3db max. insulation resistance 100m min. 500v dc 10 m m i n . 2 5 0 v d c 100m min. 500v dc 10 0 m m i n . 2 5 0 v d c voltage proof 500v ac f o r 1m i n u t e 300v ac f o r 1m i n u t e 5 0 0 v a c f o r 1m i n u t e 300v ac f o r 1m i n u t e center-taps without mechanical performance detent without, center, 21, 31, 41 17 without, center, 21, 31, 41 without stopper strength 0.9 0.5 0.9 1. 5 0.9 push-pull strength 10 0 n m a x . 150n max. 10 0 n m a x . vibration 10 to 55 to 10hz/min., the amplitude is 1.5mm for all the frequencies, in the 3 direction of x, y and z for 2 hours respectively shaft style serrated type, flat type, slotted type flat type slotted type, flat type slotted type flat type terminal style insertion, lead insertion attached switch ec20a: momentary push switch page 332 337 340 344 346 metal shaft potentiometers soldering conditions ???????????????????????????????????????? 349 potentiometers cautions ???????????????????????????????????????????????????? 427 potentiometers measurement and test methods ???????????????????????????????????????? 429 potentiometers resistance taper ???????????????????????????????????????????????? 431 note indicates applicability to some products in the series. rotary potentiometers slide potentiometers metal shaft insulated shaft knob operating ring type 349 reference for manual soldering example of reflow soldering condition reference for dip soldering 300 200 100 a b c time (s) g max. f max. h max. e max. room temperature temperature (?c ) pre-heating d series tip temperature soldering time no. of solders rk09l, rk097 350 max. 3s max. 1 time rk203 300 max. 3s max. 1 time rk119 3 5 0 10 3 s 1 time rk271 350 max. 5s max. 1 time rk501 3 5 0 10 5 s 1 time rk163 350 max. 5s max. 1 time rk168 potentiometer terminal 300 max. 3s max. 1 time motor terminal 350 max. 2s max. 1 time series preheating dip soldering no. of solders soldering surface temperature heating time soldering temperature soldering time rk09l, rk097, rk203 10 0 m a x . 2 min. max. 2605 5 1s 2 time max. rk501 12 0 10 2 min. max. 2605 5 1s 2 time +1 0 series a b c d e f g h no. of reflows rk119 260 230 18 0 15 0 2 min. 3s 40s 4 min. 2 time max. 1. when using an infrared reflow oven, solder may sometimes not be applied. be sure to use a hot air reflow oven or at type that uses infrared rays in combination with hot air. 2. the temperatures given above are the maximum temperatures at the terminals of the potentiometer when employing a hot air reflow method. the temperature of the pc board an d the surface temperature of the potentiometer may vary greatly depending on the pc board material, its size and thickness. ensure that the surface temperature of the potentiometer 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 temperature pro?le +1 0 metal shaft potentiometers / soldering conditions rotary potentiometers slide potentiometers metal shaft insulated shaft knob operating ring type |
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