Features 3/8 Square/ Multiturn / Cermet / Industrial / Sealed Five popular terminal styles Standoffs RoHS compliant* version available For trimmer applications/processing guidelines, click here 3299 - 3/8 Square Trimpot Trimming Potentiometer Standard Resistance Table Electrical Characteristics Product Dimensions Standard Resistance Range 3299P Resistance Resistance Common Dimensions ................................10 to 2 megohms (Ohms) Code 2.54 10 100 (see standard resistance table) (.100) 1.09 .38 20 200 2.54 Resistance Tolerance ........... 10 % std. (.043) (.015) 50 500 (.100) (tighter tolerance available) 1.12 100 101 9.53 (.044) 200 201 Absolute Minimum Resistance (.375) 500 501 ........................... 1 % or 2 ohms max. 1,000 102 1.52 (whichever is greater) 6.22 1.14 2,000 202 (.060) (.245 .045) 5,000 502 Contact Resistance Variation 10.03 6.10 +.30/-.25 10,000 103 ........................ 1.0 % or 3 ohms max. (.395) 20,000 203 (.240 +.012/-.010) (whichever is greater) 3 .51 25,000 253 ADJ. SLOT DIA. TYP. 2 Adjustability (.020) 50,000 503 2.29 DIA. 1 100,000 104 Voltage ..................................0.01 % (.090) 200,000 204 .56 Resistance ............................0.05 % WIDE X (.022) 250,000 254 5.23 Resolution ................................... In nite .64 2.54 500,000 504 DEEP (.206) X (.025) (.100) Insulation Resistance ...............500 vdc. 1,000,000 105 BOTTOM VIEW 2,000,000 205 1,000 megohms min. 1.91 3299W Dielectric Strength Popular distribution resistance values listed in (.075) 2.54 Sea Level................................ 900 vac boldface. Special resistances available. (.100) 70,000 Feet ............................ 350 vac 3 Effective Travel .................25 turns nom. How To Order 2 3299 W - 1 - 103 LF Environmental Characteristics 1 Model 2.54 BOTTOM VIEW Power Rating (300 volts max.) (.100) 70 C ......................................0.5 watt Style MIN. 125 C .......................................0 watt 3299X Standard or Modi ed 1.91 Temperature Range ...-55 C to +125 C 2.54 2.54 (.075) Product Indicator Temperature Coef cient ... 100 ppm/C (.100) (.100) -1 = Standard Product 3 Seal Test ......................85 C Fluorinert 2 Resistance Code Humidity .......MIL-STD-202 Method 103 1 Terminations 96 hours BOTTOM VIEW LF = 100 % Tin-plated (RoHS compliant) (2 % TR, 10 Megohms IR) Blank = 90 % Tin / 10 % Lead-plated 1.91 Vibration ....... 20 G (1 % TR 1 % VR) 3299Y 2.54 (Standard) 2.54 (.075) Shock ......... 100 G (1 % TR 1 % VR) (.100) (.100) 3 Consult factory for other available options. Load Life 2 .............1,000 hours 0.5 watt 70 C 1 (3 % TR 3 % or 3 ohms, 2.54 (.100) whichever is greater, CRV) BOTTOM VIEW Rotational Life .......................200 cycles (4 % TR 3 % or 3 ohms, 3299Z 1.91 2.54 2.54 (.075) whichever is greater, CRV) (.100) (.100) 3 Physical Characteristics 2 Torque .............................3.0 oz-in. max. 1 2.54 Mechanical Stops .................Wiper idles (.100) Terminals .......................Solderable pins BOTTOM VIEW Weight ..................................... 0.035 oz. Marking ...........................Manufacturers WIPER 2 trademark, resistance code, wiring diagram, date code, CCW 3 CW 1 manufacturers model CLOCKWISE number and style MM Wiper ...............50 % (Actual TR) 10 % DIMENSIONS: (INCHES) Flammability ..........................U.L. 94V-0 0.25 Standard Packaging .....50 pcs. per tube REV. 08/10 TOLERANCES: EXCEPT WHERE NOTED (.010) Adjustment Tool ..............................H-90 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Trimpot is a registered trademark of Bourns, Inc. Fluorinert is a registered trademark of 3M Co. Speci cations are subject to change without notice. Customers should verify actual device performance in their speci c applications. *RoHS COMPLIANT VERSIONS AVAILABLEX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Trimmer Resistors - Through Hole category: Click to view products by Bourns manufacturer: Other Similar products are found below : 56PR250K M63M102KB30T607 M63M103KB40 M63M501KB40 M63P102KB30T607 M63P105KB30T607 M63P202KB40 M63P203KB30T607 M63P203KB40 M63P205KB30T607 M63P501KB40 M63P502KB40 M63S102KB40 M63S103KB40 M63X101KB40 M63X103KB40 M63X104KB40 M63X501KB40 M63X503KB40 M70Y102KB25 76PR500K 79PR5K P8PY103KB25 CT6P-103 M63M102KB40 M63M104KB40 M63M502KB40 M63P102KB40 M63P103KB30T640 M63P103KB40 M63P104KB30T607 M63P104KB40 M63P204KB40 M63P504KB40 M63S203KB40 M63S502KB40 M63X105KB40 M63X502KB40 M70Y203KB25 M70Y502KB25 T9YA472KT20 404806505008 388N-100 409HA102M 4270W105K 56PR2MEG 82PR2KLFTB 416MA504P SK 104 25,4 STC TO 220 9702-2SL-1