ELECTRICAL ADJUSTMENT SLOT 0.35 1.5 0.3 WIDE X LONG X DEEP (.014) (.059) (.012) 2.8 (.110) 2.5 (.098) 0.7 0.45 (.028) (.018) 2 1.9 (.075) 3 1 0.45 0.35 (.018) (.014) 2 PLCS. 1.25 2 PLCS. Features (.049) n Surface mount 2 mm Square / Single-turn / Cermet / Sealed n Compatible with surface mount manufacturing processes n Miniature design for flexibility n RoHS compliant* n For trimmer applications/processing guidelines, click here 0.2 (.008) 1.7 (.067) 3312 - 2 mm SMD Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions Recommended Land Pattern ELECTRICAL ADJUSTMENT SLOT Standard Resistance Range 0.35 1.5 0.3 1.0 ...................... 10 ohms to 2 megohms 0.9 WIDE X LONG X DEEP (.014) (.059) (.012) (.039) (.035) (see standard resistance table) Resistance Tolerance ............20 % std. End Resistance ......1 % or 2 ohms max. (whichever is greater) 1.6 Contact Resistance Variation (.063) 2.8 ............................5 % or 3 ohms max. (.110) (whichever is greater) Adjustability 0.9 Voltage Divider .........................0.4 % 0.65 0.5 (.035) Rheostat ...................................0.8 % 2.5 (.026) (.020) 2 PLCS. (.098) 2 PLCS. Resolution.................. Essentially infinite Insulation Resistance .............. 500 VDC 0.7 0.45 100 megohms min. (.028) Standard Resistance Table (.018) 2 Dielectric Strength Resistance Part Marking Resistance Sea Level ..............................500 VAC (Ohms) Code Code 70,000 Feet ...........................350 VAC 10 A1 100 20 U1 200 Adjustment Angle.................. 255 nom. 1.9 50 V1 500 100 A2 101 (.075) Environmental Characteristics 200 U2 201 500 V2 501 Power Rating (50 volts max.) 1,000 A3 102 70 C ...................................... 0.1 watt 2,000 U3 202 5,000 V3 502 125 C ....................................... 0 watt 3 1 0.45 10,000 A4 103 0.35 Operating Temperature Range (.018) 20,000 U4 203 (.014) 1.25 2 PLCS. 50,000 V4 503 ................................-55 C to +125 C 2 PLCS. (.049) 100,000 A5 104 Temperature Coefficient ....100 ppm/C 200,000 U5 204 500,000 V5 504 Seal Test ..85 C Fluorinert /60 seconds 1,000,000 A6 105 Humidity........ MIL-STD-202 Method 106 2,000,000 U6 205 TRS 5 % IR 10 megohms Popular values listed in boldface. Consult factory Vibration ..... 20 G TRS 1 % VRS 1 % for special resistances. Shock........ 100 G TRS 1 % VRS 1 % Load Life 70 C Rated Power How To Order ............................................TRS 3 % 3312 J - 1 - 502 E Rotational Life.........25 cycles TRS 3 % 0.2 Thermal Shock ..........................5 cycles (.008) Model 1.7 (.067) TRS 2 % VRS 4 % Style Physical Characteristics Standard Product Indicator MM -1 = Standard Product DIMENSIONS: Mechanical Stop ................... 285 nom. (INCHES) Resistance Code Torque.............................. 0.7 oz-in. max 0.30 TOLERANCE: Stop Strength.................. 0.7 oz-in. nom. Embossed Tape Designator ( .012) 1.0 0.9 Weight .............. Approximately 0.0321 g E = 500 pcs./7 Reel (MSL-1) (.039) (.035) Marking Tape and reel material meets Antistatic ANSI/ ......... Resistance code and date code ESD 5541-2003 packaging standards. Standard Packaging ..... 500 pcs./7 reel WIPER 2 (MSL-1) 1.6 (.063) CCW CW 1 3 CLOCKWISE 0.9 0.65 0.5 (.035) *RoHS Directive 2015/863, Mar. 31, 2015 and Annex (.026) (.020) 2 PLCS. Fluorinert is a registered trademark of 3M Co. 2 PLCS. WARNING Cancer and Specifications are subject to change without notice. Users should verify actual device performance in their specific Reproductive Harm applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last www.P65Warnings.ca.gov page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 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 C 0.5 /second 4. Preheat (T) 150 C to 190 C 90 30 seconds S 5. Time above liquidus ) (T 220 C 60-90 seconds L 6. Peak temperature (T) 250 C +0 /-5 P 10-20 sec. within 5 C of peak 7. Ramp down Room temperature 3 C 0.5 C/second 8. Cleaning water clean profile High pressure deionized water 72 F to 160 F As required 65 PSI maximum (22 C to 71 C) t P T P CRITICAL ZONE RAMP-UP T TO T L P T L t L T S MAX. T S t MIN. s RAMP-DOWN PREHEAT t 25 C TO PEAK 8 MINS./248.9 C TIME Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. TEMPERATURE