Features
Multiturn / Cermet / Industrial / Sealed
Standoffs allow thorough PC board
washing
Tape and reel packaging available
RoHS compliant* version available
For trimmer applications/processing
guidelines, click here
3266 - 1/4 Square Trimpot Trimming Potentiometer
Electrical Characteristics Product Dimensions
Standard Resistance Range 3266W 3266Y 1.52 .38**
Common Dimensions
(.060 .015)
........................10 ohms to 1 megohm 6.35 .25
4.31 .38
1.27 .25**
(.250 .010)
(see standard resistance table)
(.170 .015)
(.050 .010)
6.71 .38
Resistance Tolerance ........... 10 % std.
TYP.
(.264 .015)
Absolute Minimum Resistance
ADJ. SLOT
1.02
1.78
........................... 1 % or 2 ohms max.
(.040)
DIA. 1.02 .25
(.070)
4.50 .38**
(whichever is greater) (.040 .010)
.51
(.177 .015)
X WIDE .38
Contact Resistance Variation
(.020) MIN.
1.22 .25 (.015)
.64
........................ 3.0 % or 3 ohms max.
7.24 .51
12 3
(.048 .010) X DEEP
TYP.**
(.025)
(.270 .020)
(whichever is greater)
6.85 .51
.46 .13
Adjustability
4.88 .51** (.270 .020)
(.018 .005)
12 3 2.54
(.192 .020)
Voltage Divider ...................... 0.02 %
(.100)
4.32
2.54
Rheostat ................................0.05 %
.46 .03
(.170)
DIA.**
(.100)
(.018 .001)
Resolution ................................... In nite
2.54
Insulation Resistance ...............500 vdc.
(.100)
2.54 3.18
2.16
1,000 megohms min.
(.100) (.125)
.76** (.085)
2.54
Dielectric Strength
(.030)
(.100)
3266Z
Sea Level................................ 600 vac
1.52 .38**
80,000 Feet ............................ 250 vac
1.02 (.060 .015)
(.040)
E ective Travel .................12 turns nom.
3266P
4.31 .38
Environmental Characteristics
1.52 (.170 .015)
12 3
1.02
4.42 .51
Power Rating (300 volts max.) (.06)
(.040)
(.174 .020)
1.02 .25
70 C ....................................0.25 watt
(.040 .010)
150 C .......................................0 watt
0.76 .25
0.38
1.02 .25
MIN.
(.030 .010)
Temperature Range ...-55 C to +125 C (.015)
(.040 .010)
12 3
Temperature Coe cient ... 100 ppm/C
Seal Test ......................85 C Fluorinert 6.85 .51
(.270 .020)
Humidity .......MIL-STD-202 Method 103 2.54 .25
6.48 .51 2.54
(.100 .010)
96 hours (2 % TR, 10 Megohms IR)
(.255 .020) (.100)
2.54 .25 4.32
2.54
Vibration ....... 30 G (1 % TR; 1 % VR)
(.100 .010) (.170)
(.100)
2.54 .25
Shock ......... 100 G (1 % TR; 1 % VR)
(.100 .010)
Load Life ...1,000 hours 0.25 watt 70 C
2.16 3.18
(3 % TR; 3 % CRV)
3266X
(.085) (.125)
Rotational Life .......................200 cycles
1.52 .25
(4 % TR; 3 % or 3 ohms,
1.02 (.060 .010) How To Order
whichever is greater, CRV)
(.040)
3266 W - 1 - 103 __ LF
Physical Characteristics
Model
1.01 .25
Torque .............................3.0 oz-in. max. 12 3
(.040 .010)
Style
Mechanical Stops .................Wiper idles
.38 .25
MIN.**
Standard or Modi ed
Terminals .......................Solderable pins (.015 .010)
2.54
(.100) Product Indicator
2.54
Weight ..................................... 0.015 oz.
(.100) -1 = Standard Product
Marking ...........................Manufacturers
.76
2.54
trademark, resistance code, (.030) Resistance Code
(.100)
wiring diagram, date code,
Packaging Designator
manufacturers model
1.02
Blank = Tube (Standard)
number and style (.040)
R = Tape and Reel (Z and Y Pin Styles
Wiper ...............50 % (Actual TR) 10 % Only)
**Common dimensions
A = Ammo Pack (Z and Y Pin Styles Only)
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
MM Terminations
DIMENSIONS:
Adjustment Tool ..............................H-90
(INCHES) LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
0.25
TOLERANCES: EXCEPT WHERE NOTED
(Standard)
(.010)
WIPER
2
Consult factory for other available options.
CCW 3 CW
1
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
CLOCKWISE
Fluorinert is a registered trademark of 3M Co.
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
3266 - 1/4 Square Trimpot Trimming Potentiometer
Standard Resistance Table Packaging Speci cations
SIDE ADJUST
TOP ADJUST
Resistance Resistance
3266Z-1
3266Y-1
(Ohms) Code
10 100
4.01 .71 4.01 .71
100 101
(.158 .028) (.158 .028)
12.70
200 201
REF.
12.70
24.9 .76 (.500)
REF.
500 501
(.500)
(.980 .030)
1,000 102
8.9 +.76 /-.5
2,000 202
(.035 +.030/-.020)
5,000 502 2 25.9 0.76
3
8.9 +.76 /- 0.5
1
10,000 103 (1.020 .030)
2
(.035 +.030/-.020)
3
1
20,000 203
25,000 253
50,000 503
18 .76
18 .76
100,000 104
(.709 .030)
(.709 .030)
200,000 204
18 +1.0/-0.5 4.0 .03
250,000 254 4.0 .03
(709 +.040/-.020) (.157 .001)
18 +1.0/-0.5 (.157 .001)
500,000 504
DIA.
12.7 +0.3/-0.25
DIA.
(709 +.040/-.020)
1,000,000 105
(.500 +.012/-.010)
12.7 +0.3/-0.25
Popular distribution resistance values listed in
(.500 +.012/- .010)
boldface. Special resistances available.
4.32 .38
4.32 .38
(.170 .015)
(.170 .015)
2.16 .25
2.16 .25
(.085 .010)
(.085 .010)
2.54
2.54
ALL PINS IN-LINE ON CENTER .43 .05
(.100) DIA. TYP. ALL PINS IN-LINE ON CENTER
(.017 .002) (.100)
MM
DIMENSIONS: MM
(INCHES) DIMENSIONS:
(INCHES)
1000/REEL/BOX
1000/REEL/BOX
Meets EIA Speci cation 468.
MM
DIMENSIONS:
(INCHES)
REV. 12/14
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.