*R*R oHoH S VEVES COCO A AV V RRS MM S AIAIL IOIO PLPL LA A NN IAIA BLBL S S NTNT EE 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(R) Trimming Potentiometer Electrical Characteristics Standard Resistance Range ................................10 to 2 megohms (see standard resistance table) Resistance Tolerance ........... 10 % std. (tighter tolerance available) Absolute Minimum Resistance ........................... 1 % or 2 ohms max. (whichever is greater) Contact Resistance Variation ........................ 1.0 % or 3 ohms max. (whichever is greater) Adjustability Voltage .................................. 0.01 % Resistance ............................ 0.05 % Resolution ................................... Infinite Insulation Resistance ............... 500 vdc. 1,000 megohms min. Dielectric Strength Sea Level................................ 900 vac 70,000 Feet ............................ 350 vac Effective Travel .................25 turns nom. Environmental Characteristics Power Rating (300 volts max.) 70 C ...................................... 0.5 watt 125 C ....................................... 0 watt Temperature Range ... -55 C to +125 C Temperature Coefficient ... 100 ppm/C Seal Test ......................85 C Fluorinert Humidity .......MIL-STD-202 Method 103 96 hours (2 % TR, 10 Megohms IR) Vibration ....... 20 G (1 % TR; 1 % VR) Shock ......... 100 G (1 % TR; 1 % VR) Load Life ............. 1,000 hours 0.5 watt @ 70 C (3 % TR; 3 % or 3 ohms, whichever is greater, CRV) Rotational Life .......................200 cycles (4 % TR; 3 % or 3 ohms, whichever is greater, CRV) Physical Characteristics Torque............................. 3.0 oz-in. max. Mechanical Stops ................. Wiper idles Terminals .......................Solderable pins Weight ..................................... 0.035 oz. Marking........................... Manufacturer's trademark, resistance code, wiring diagram, date code, manufacturer's model number and style Wiper ............... 50 % (Actual TR) 10 % Flammability ..........................U.L. 94V-0 Standard Packaging .....50 pcs. per tube Adjustment Tool..............................H-90 Standard Resistance Table Product Dimensions 3299P Common Dimensions 2.54 (.100) 1.09 (.043) .38 (.015) 9.53 (.375) Resistance (Ohms) 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 25,000 50,000 100,000 200,000 250,000 500,000 1,000,000 2,000,000 2.54 (.100) 1.12 (.044) 1.52 (.060) 10.03 (.395) 6.22 1.14 (.245 .045) 6.10 +.30/-.25 (.240 +.012/-.010) 3 .51 ADJ. SLOT 2 DIA. TYP. (.020) 2.29 DIA. 1 (.090) .56 WIDE X (.022) 5.23 .64 2.54 DEEP (.206) X (.025) (.100) BOTTOM VIEW 1.91 3299W (.075) 2.54 (.100) Popular distribution resistance values listed in boldface. Special resistances available. 3 How To Order 2 3299 W - 1 - 103 LF 1 BOTTOM VIEW 2.54 (.100) MIN. 2.54 (.100) 1.91 (.075) 3 2 BOTTOM VIEW 2.54 (.100) 2.54 (.100) Standard or Modified Product Indicator -1 = Standard Product Resistance Code 1 3299Y Model Style 3299X 2.54 (.100) Resistance Code 100 200 500 101 201 501 102 202 502 103 203 253 503 104 204 254 504 105 205 1.91 (.075) 3 Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) Consult factory for other available options. 2 1 2.54 (.100) BOTTOM VIEW 3299Z 2.54 (.100) 2.54 (.100) 1.91 (.075) 3 2 1 2.54 (.100) BOTTOM VIEW 2 CCW WIPER 3 1 CW CLOCKWISE DIMENSIONS: TOLERANCES: 0.25 (.010) MM (INCHES) EXCEPT WHERE NOTED REV. 04/14 "Trimpot" is a registered trademark of Bourns, Inc. "Fluorinert" is a registered trademark of 3M Co. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications 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 specific applications. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Bourns: 3299Z-1-501 3299Y-1-503 3299Z-1-503 3299Y-1-501 3299X-1-503 3299Z-1-500 3299Y-1-502 3299X-1-500 3299X-1-501 3299Z-1-502 3299Z-1-505 3299X-1-504 3299X-1-502 3299Y-1-504 3299Z-1-504 3299Y-1-500 3299P-1-500 3299P-1-502 3299W-1-500 3299W-1-504 3299P-1-501 3299W-1-502 3299P-1-503 3299W-1-501 3299W-1-503 3299P-1-504 3299Z-1-102 3299Z-1-100 3299Y-1-102 3299X-1-102 3299Y-1-105 3299X-1-101 3299X-1-103 3299Z-1-104 3299X-1-104 3299Z-1-101 3299Y-1-100 3299X-1-100 3299Y-1-104 3299X-1-105 3299Z-1-105 3299Y-1-101 3299Y-1-103 3299Z-1-103 3299W-1-204 3299P-1-200 3299P-1-201 3299W-1-205 3299P-1-203 3299W-1-203 3299P-1-205 3299W-1-201 3299W-1-202 3299P-1-202 3299P-1-204 3299W-1-200 3299W-1-253 3299P-1-253 3299P-1-254 3299W-1-254 3299P-1-104LF 3299X-1-104LF 3299Y-1-100LF 3299X-1100LF 3299Y-1-104LF 3299P-1-100LF 3299Z-1-100LF 3299W-1-104LF 3299W-1-105LF 3299Z-1-101LF 3299X-1101LF 3299Y-1-105LF 3299P-1-101LF 3299P-1-502LF 3299X-1-502LF 3299P-1-201LF 3299Y-1-205LF 3299X-1201LF 3299Z-1-201LF 3299W-1-205LF 3299X-1-205LF 3299Y-1-201LF 3299P-1-205LF 3299W-1-201LF 3299Z-1205LF 3299Y-1-102LF 3299W-1-102LF 3299Z-1-102LF 3299X-1-102LF 3299P-1-102LF 3299Z-1-104LF 3299W-1100LF 3299Z-1-504LF 3299W-1-500LF 3299X-1-504LF 3299Y-1-500LF 3299P-1-504LF 3299Y-1-502LF 3299W-1502LF 3299Z-1-502LF