features surface mount 2 mm square / single-turn / cermet / sealed compatible with surface mount manufacturing processes miniature design for exibility rohs compliant* for trimmer applications/processing guidelines, click here 3312 - 2 mm smd trimpot ? trimming potentiometer *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. electrical characteristics standard resistance range ...................... 10 ohms to 2 megohms (see standard resistance table) resistance tolerance ............ ?0 % std. end resistance ......1 % or 2 ohms max. (whichever is greater) contact resistance variation ............................ 5 % or 3 ohms max. (whichever is greater) adjustability voltage divider .........................?.4 % rheostat ...................................?.8 % resolution.................. essentially in nite insulation resistance .............. 500 vdc 100 megohms min. dielectric strength sea level ..............................500 vac 70,000 feet ...........................350 vac adjustment angle.................. 255 ?nom. environmental characteristics power rating (50 volts max.) 70 ? ...................................... 0.1 watt 125 ? ....................................... 0 watt operating temperature range ................................-55 ? to +125 ? temperature coef cient ....?00 ppm/? humidity........ mil-std-202 method 106 trs ? %; ir 10 megohms vibration ..... 20 g trs ? %; vrs ? % shock........ 100 g trs ? %; vrs ? % load life @ 70 ? rated power ............................................trs ? % rotational life.........25 cycles trs ? % thermal shock .......................... 5 cycles trs ? %; vrs ? % physical characteristics mechanical stop ................... 285 ?nom. torque.............................. 0.7 oz-in. max stop strength.................. 0.7 oz-in. nom. weight .............. approximately 0.0321 g marking ......... resistance code and date code standard packaging ..... 500 pcs./7 ?reel (msl-1) product dimensions dimensions: mm (inches) 1 3 cw clockwise ccw 2 wiper how to order 3312 j - 1 - 502 e model style standard product indicator -1 = standard product resistance code embossed tape designator e = 500 pcs./7 ?reel (msl-1) 1.7 (.067) 1.25 (.049) 2.5 (.098) 0.2 (.008) 0.35 (.014) 2 plcs. 0.45 (.018) 0.45 (.018) 2 plcs. 1.9 (.075) 2.8 (.110) electrical adjustment slot 0.35 (.014) wide x 1.5 (.059) long x 0.3 (.012) deep 1 0.7 (.028) 2 3 recommended land pattern 1.0 (.039) 1.6 (.063) 0.9 (.035) 0.9 (.035) 2 plcs. 0.5 (.020) 0.65 (.026) 2 plcs. standard resistance table resistance part marking resistance (ohms) code code 10 a1 100 20 u1 200 50 v1 500 100 a2 101 200 u2 201 500 v2 501 1,000 a3 102 2,000 u3 202 5,000 v3 502 10,000 a4 103 20,000 u4 203 50,000 v4 503 100,000 a5 104 200,000 u5 204 500,000 v5 504 1,000,000 a6 105 2,000,000 u6 205 popular values listed in boldface. consult factory for special resistances. tolerance: ?0.30 (?.012) *rohs compliant
speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. 3312 - 2 mm smd trimpot ? trimming potentiometer processing information process description materials temperature time interval 1. apply solder paste to test board ? sn 96.5/ag 3.0/cu 0.5 alloy room temperature (8 - 10 mil thick) water soluble or no clean solder paste ?single sided epoxy glass (g10) (ul approved) ? pc board approx. 4x4x.06 in. 2. place test units onto board 6 units/board 3. ramp up convection oven 2.5 ? ?.5 ?second 4. preheat (t s ) 150 ? to 190 ? 90 ?0 seconds 5. time above liquidus (t l ) 220 ? 60-90 seconds 6. peak temperature (t p ) 250 ? +0 ?-5 10-20 sec. within 5 ? of peak 7. ramp down room temperature 3 ? ?.5 ?/second 8. cleaning water clean pro le high pressure deionized water 72 ? to 160 ? as required 65 psi maximum (22 ? to 71 ?) t 25 c to peak time temperature t l t p t l t s max. t s min. t s preheat 8 mins./248.9 c ramp-down critical zone t l to t p ramp-up t p
rev. 10/13 ?trimpot? is a registered trademark of bourns, inc. speci? cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci? c applications. 3312 - 2 mm smd trimpot ? trimming potentiometer packaging speci cations 4.00 0.10 (.157 .004) 4.00 0.10 (.157 .004) 0.20 (.008) max. r 1.5 +0.1/-0.0 (.059 +.004/-0.0) dia. 1.00 (.039) min. dia. 0.20 (.008) max. typ. 4 plcs. r 0.3 0.05 (.130 .002) 1.50 (.059) equally spaced 3 plcs. min. 12mm: dia. min. dia. access hole at slot location 3.3 0.10 (.130 .004) 8.0 +0.3/-0.1 (.315 +.012/-.004) 3.5 0.05 (.138 .002) 177.8 2.03 (7.00 .08) 39.25 (1.57) min. width x slot in core 2.49 (.098) min. depth 10.01 (.394) min 20.19 (.795) dia. 13.00 0.20 (0.512 .008) 16mm: dia. 13.00 +0.51/-0.18 (0.512 +.020/-.007) 1.75 0.1 (.069 .004) 29.69 (1.169) 3 1 2.0 0.05 (.079 .002) 2.3 (.091) ref. 8.41 (.331) 14.40 (.567) dimensions: mm (inches)
|
