438M 438M 438M 438M Features 4 mm design meets EIA/EIAJ/IPC/VECI Surface Mount 4 mm Square / Multiturn SMD standard trimmer footprint Cermet / Industrial / Sealed RoHS compliant* - see processing Halogen free** with date code 114 information on RoHS compliant surface Sealed to withstand board wash mount trimmers processing For trimmer applications/processing Pick and place centering design, with ush guidelines, click here adjustment 3214 - 5-Turn Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions Standard Resistance Range 3214J Side Adjust 3214G Side Adjust ..........................10 ohms to 2 megohms 1.5 1.5 DIA. 1 DIA. (see standard resistance table) 1 (.060) (.060) 1.2 1.2 2 2 Resistance Tolerance ............... 10 % std. (.047) (.047) Absolute Minimum Resistance 4.8 4.8 ...... 1 % or 2.0 ohms (whichever is greater) (.190) (.190) Contact Resistance Variation ............................... 3 % or 3 ohms max. 2.4 2.6 2.7 Resolution ..................... Essentially In nite 3 2.3 2.4 3 (.095) (.108) 2.3 (.102) Insulation Resistance ...................500 vdc. (.095) (.090) (.090) 5.0 100 megohms min. (.195) 6.0 Dielectric Strength ADJUSTMENT SLOT 4.6 ADJUSTMENT SLOT (.236) Sea Level .................. 600 vac (1 minute) 0.6 (.180) 0.6 4.6 Adjustment Angle ...................5 turns nom. WIDE WIDE (.022) (.022) (.180) 0.5 3.71 0.5 Environmental Characteristics DEEP X DEEP X (.146) (.020) 3.9 (.020) Power Rating (300 volts max.) (.152) 85 C ........................................0.25 watt 0.8 0.2 (.032) 150 C ...........................................0 watt (.007) 0.13 Temperature Range ....... -65 C to +150 C 2.0 1.3 (.005) 0.5 3 PLCS 3 PLCS. TYP. 1.0 Temperature Coe cient ....... 100 ppm/C 1.14 (.079) (.050) (.02) 4.0 5.2 (.039) Seal Test ......85 C Fluorinert /60 seconds (.045) (.157) (.205) 2 PLCS. Humidity ........... MIL-STD 202 Method 106 TRS 2 % IR 10 megohms Vibration ..........20 G TRS1 % VRS 1 % Shock ............100 G TRS 1 % VRS1 % 2.0 2.0 1.3 Load Life (.079) 2.3 1.3 2.3 (.079) 1.3 0.9 (.050) 0.9 ........... 85 C rated power 1,000 hours (.090) (.050) (.090) (.050) (.034) (.034) 1.3 0.5 2 PLCS. TRS 3 ohms or 3 % (whichever is greater 2 PLCS. 0.5 (.050) 2 PLCS. 2 PLCS. (.020) Rotational Cycling .....................200 cycles (.020) 0.2 0.2 TRS 3 ohms or 3 % (whichever is greater) (.007) (.007) Thermal Shock ..............................5 cycles TRS 2 % VRS 1 % 3214W Top Adjust 3214X Top Adjust 3.9 0.8 2.5 2 PLCS Physical Characteristics (.032) (.155) (.100) 1.3 5.1 3.5 5.1 3.5 Mechanical Stop ......................Wiper idles (.050) (.200) 1 (.139) (.200) 1 (.139) Torque .................................180 g-cm max. 1.3 1.2 Weight ...................Approximately 0.01 oz. (.050) (.047) 4.8 4.8 2.5 Marking .....................Manufacturers code, (.190) (.190) (.100) 2 2 resistance code and date code Solderability ................... Per MIL-STD-202, 1.5 1.2 DIA. Method 208 3 2.6 (.060) (.047) Wiper ...................50 % (Actual TR) 10 % (.102) 1.0 ADJUSTMENT SLOT 1.0 3 PLCS. Flammability .................................. UL94V0 3 PLCS. (.040) (.040) 0.6 Pushover Strength WIDE ADJUSTMENT SLOT 5.3 (.022) J, G ............................................. 4.4 lbs. 3.9 5.3 (.208) 0.6 .0.5 W, X ..................................................1 lb. WIDE DEEP X (.155) (.208) (.022) 0.7 (.020) Adjustment Tool ..................................H-91 0.5 (.028) DEEP X (.020) 5.7 How To Order (.225) 3214 J - 1 - 502 E 1.3 0.2 Model 0.8 2 PLCS. (.050) (.008) (.032) Style 1.3 5.1 2 PLCS. 0.2 Standard or Modi ed (.050) (.200) .008 Product Indicator 2.0 2.9 -1 = IR Re ow (standard) (.079) 2.0 (.114) -2 = Wave Solderable (.079) -FW5 = .070 .010 Shaft Extension Resistance Code 1.9 Embossed Tape Designator TYP. 0.8 1.6 (.075) 2 PLCS. E = Style J, G: 500 pcs./7 reel (standard) 3 PLCS. (.032) (.061) 2.5 Style W: 250 pcs./7 reel (standard) 0.8 MM 2 PLCS. 2.5 (.100) Style X: 200 pcs./7 reel (standard) DIMENSIONS: (.032) (INCHES) (.100) G = Style J, G: 1500 pcs./13 reel (standard) Style W: 1000 pcs./13 reel (standard) Style X: 850 pcs./13 reel (standard) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. G = Style J, G: 1500 pcs./13 reel (FW5) **Bourns follows the prevailing de nition of halogen free in the industry. Style W, X: 600 pcs./13 reel (FW5) Bourns considers a product to be halogen free if (a) the Bromine (Br ) content is 900 ppm or less (b) the Chlorine ( Cl ) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine ( Cl ) content is 1500 ppm or less. Consult factory for other available options. Fluorinert is a registered trademark of 3M Co. -2 has a treated stainless steel shaft 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. *RoHS COMPLIANT 203 203 3214 W 3214 J 203 203 3214 X 3214 G 3214 - 5-Turn Trimpot Trimming Potentiometer Packaging Speci cations J & G Styles W Style X Style 6.35 .04 6.09 MAX. MAX. (.250) (.002) (.240) .05 MAX. MAX. (.002) .35 4.5 MAX MAX. (.014) (.177) 5.52 .05 (.217 .002) 7.50 .05 5.55 .10 7.50 (.295 .002) (J) 1.5 + .10/ .00 (.295) (.219 .004) DIA. (.059 + .004/ .000) 6.25 .10 (G) 1.5 + .10/ .00 1.5 + .10/ .00 (.246 .004) DIA. DIA. 4.00 .20 (.059 + .004/ .000) (.059 + .004/ .000) 4.90 .10 (.157 .008) (.193 .004) 4.00 4.00 .20 6.70 (.157) (.157 .008) (.264) 5.10 .10 2.00 .05 (.201 .004) 4.05 .12 (.079 .002) (.159 .005) 2.00 .05 2.00 (.079 .002) (.079) 12.00 (.472) 8.00 .10 (.315 .004) 12.00 .10 1.75 .10 (.472 .004) (.069 .004) 1.75 1.75 .10 12.00 .30 (.069) 8.6 (.069 .004) (.472 .012) (.339) TAPE 16.00 .30 16.0 0.30 (.630 .012) (.630 .012) TAPE TAPE 1.78 .25 W & X Style Reel EQUAL SPACED (.070 .010) 3 PLCS. Standard Resistance Table 21.01 .79 13.0 .51 DIA. DIA. (.827 .031) Resistance Resistance (.512 .020) 2.67 .25 (Ohms) Code (.105 .010) 10 100 20 200 50 500 100 101 59.18 2.03 200 201 (2.330 .080) 500 501 1,000 102 2,000 202 5,000 502 10,000 103 20,000 203 178 2.0 50,000 503 DIA.* 100,000 104 (7.00 .008) 12.4 + 2.01/ -.000 200,000 204 330.2 2.0 (.488 + .079/ -.000) DIA.** 500,000 504 (13.00 .008) 16.4 + 1.81/ -.000 1,000,000 105 REEL (.646 .070/ -.000) 2,000,000 205 REEL * Embossed Tape Designator Popular distribution values listed in boldface. **Embossed Tape Designator Special resistances available. * Embossed Tape Designator (See How To Order chart for further information.) **Embossed Tape Designator (See How To Order chart for further information.) Cover tape peel strength: Meets EIA specification 481. Cover tape peel strength: Meets EIA specification 481. WIPER 2 MM DIMENSIONS: (INCHES) CCW CW 3 1 0.25 TOLERANCES: EXCEPT WHERE NOTED CLOCKWISE (.010) REV. 08/14 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.