*R oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features Model 20 is obsolete and not recommended for new designs. ■ Multiturn / Cermet / Sealed ■ Machine insertable SIP design provides extra cost savings ■ .080 inch width allows side-by-side spacing on standard 0.100 inch grid ■ PC board profile - only 0.185 inches high 20 - 20 mm Rectangular Trimpot® Trimming Potentiometer Electrical Characteristics Standard Resistance Range ......................... 10 ohms to 2 megohms (see standard resistance table) Resistance Tolerance .............. ±10 % std. Absolute Minimum Resistance ............................5.0 % or 3 ohms max. (whichever is greater) Contact Resistance Variation ..............................1.0 % or 1 ohm max. (whichever is greater) Adjustability Voltage.......................................±0.01 % Resistance.................................±0.05 % Resolution ........................................Infinite Insulation Resistance .................. 500 vdc. 100 megohms min. Dielectric Strength Sea Level..................................1000 vac 70,000 Feet ................................350 vac Effective Travel.....................15 turns nom. Product Dimensions Standard Resistance Table ADJ. SLOT FLUSH WITH HOUSING Resistance (Ohms) 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 50,000 100,000 200,000 500,000 1,000,000 2,000,000 20.00 (.785) 1 2 3 .51 ± .05 (.020 ± .002) DIA. 3 PLCS. 1.07 (.042) 2.54 (.100) 17.78 (.700) E T E L O S B O Environmental Characteristics Power Rating (250 volts max.) 70 °C........................................ 0.25 watt 150 °C ...........................................0 watt Temperature Range ...... -55 °C to +125 °C Temperature Coefficient 50 Ohms and Above........ ±100 ppm/°C Below 50 Ohms ............... ±150 ppm/°C Seal Test..........................85 °C Fluorinert† Humidity.......... MIL-STD-202 Method 103 96 hours (3 % ΔTR, 20 megohms IR) Vibration ...........20 G (1 % ΔTR; 1 % ΔVR) Shock ...............50 G (1 % ΔTR; 1 % ΔVR) Load Life ............. 1,000 hours, 0.25 watt @ 70 °C (3 % ΔTR, 3 % or 3 ohms whichever is greater, CRV) Rotational Life ........................... 200 cycles (3 % ΔTR, 3 % or 3 ohms whichever is greater, CRV) ADJ. SLOT .51 .64 1.63 DIA. X WIDE X DEEP (.020) (.025) (.064) 2.03 (.080) 4.70 (.185) 3.68 (.145) Resistance Code 100 200 500 101 201 501 102 202 502 103 203 503 104 204 504 105 205 How To Order .51 (.020) 20 P - 1 - 103 LF Model Style 3.56 ± .38 (.140 ± .015) Standard or Modified Product Indicator -1 = Standard Product *BOURNS ADJUSTMENT TOOL H-91 AVAILABLE FOR THIS MODEL. DIMENSIONS: TOLERANCES: MM (INCHES) 0.25 (.010) EXCEPT WHERE NOTED REV. 07/10 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. “Trimpot” is a registered trademark of Bourns, Inc. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. WIPER 3 1 Physical Characteristics Torque ................................ 5.0 oz-in. max. Mechanical Angle .................... Wiper idles Terminals ........................... Solderable pins Weight ..........................................0.015 oz. Marking .............................. Manufacturer’s trademark, resistance code, terminal numbers, date code, manufacturer’s model number and style Standard Packaging ........25 pcs. per tube Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) Consult factory for other available options. 2 CCW Resistance Code CLOCKWISE CW