Features
■ Multiturn / Cermet / Industrial / Sealed
■ Standoffs allow thorough PC board
washing
■ Tape and reel packaging available
■ Patent #4427966 drive mechanism
■ RoHS compliantꢂ version available
3266 - 1/4 ” Square Trimming Potentiometer
3266W
Common Dimensions
3266Y
1.24 .25ꢂꢂ
(.ꢀ49 .ꢀ1ꢀꢁ
Electrical Characteristics
6.71 .08
(.264 .ꢀ15ꢁ
4.5ꢀ .08
(.177 .ꢀ15ꢁ
1.24 .25ꢂꢂ
(.ꢀ49 .ꢀ1ꢀꢁ
Standard Resistance Range
6.71 .08
(.264 .ꢀ15ꢁ
....................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance ............ 10 ꢀ std.
Absolute Minimum Resistance
..............................1 ꢀ or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
...........................3.0 ꢀ or 3 ohms max.
(whichever is greater)
TYP.
ADJ. SLOT
1.ꢀ2
(.ꢀ4ꢀ ꢁ
1.78
(.ꢀ7ꢀꢁ
.51
(.ꢀ2ꢀꢁ
.64
DIA.
1.22 .25
4.5ꢀ .08ꢂꢂ
(.177 .ꢀ15ꢁ
(.ꢀ48 .ꢀ1ꢀꢁ
WIDE
DEEP
X
X
ꢀ.46 .10
1.22 .25
(.ꢀ48 .ꢀ1ꢀꢁ
MIN.
(.ꢀ18 .ꢀꢀ5ꢁ
7.24 .51
(.285 .ꢀ2ꢀꢁ
TYP.ꢂꢂ
1
2 0
(.ꢀ25ꢁ
6.85 .51
(.27ꢀ .ꢀ2ꢀꢁ
.46 .10
(.ꢀ18 .ꢀꢀ5ꢁ
4.78 .08ꢂꢂ
(.188 .ꢀ15ꢁ
1
2 0
2.54
(.1ꢀꢀꢁ
Adjustability
4.02
(.17ꢀꢁ
.46 .ꢀ0
(.ꢀ18 .ꢀꢀ1ꢁ
2.54
(.1ꢀꢀꢁ
DIA.ꢂꢂ
Voltage..................................... 0.02 ꢀ
Resistance............................... 0.0ꢁ ꢀ
Resolution.....................................Infinite
Insulation Resistance ................ꢁ00 vdc.
1,000 megohms min.
2.54
(.1ꢀꢀꢁ
2.54
0.18
(.125ꢁ
(.1ꢀꢀꢁ
2.16
(.ꢀ85ꢁ
.76ꢂꢂ
(.ꢀ0ꢀꢁ
2.54
(.1ꢀꢀꢁ
3266Z
1.24 .25ꢂꢂ
7.24 .51
(.285 .ꢀ2ꢀꢁ
Dielectric Strength
1.ꢀ2
(.ꢀ4ꢀꢁ
(.ꢀ49 .ꢀ1ꢀꢁ
4.5ꢀ .08
Sea Level ..................................600 vac
80,000 Feet...............................2ꢁ0 vac
Effective Travel..................12 turns nom.
3266P
1.22 .25
(.ꢀ48 .ꢀ1ꢀꢁ
(.177 .ꢀ15ꢁ
1.52
(.ꢀ6ꢁ
1
2 0
4.42 .51
(.174 .ꢀ2ꢀꢁ
Environmental Characteristics
1.ꢀ2
(.ꢀ4ꢀꢁ
Power Rating (300 volts max.)
ꢀ.76 .25
ꢀ.08
(.ꢀ15ꢁ
1.ꢀ2 .25
(.ꢀ4ꢀ .ꢀ1ꢀꢁ
MIN.
70 °C ......................................0.2ꢁ watt
1ꢁ0 °C .........................................0 watt
Temperature Range....-ꢁꢁ °C to +1ꢁ0 °C
Temperature Coefficient .... 100 ppmꢂ°C
Seal Test........................8ꢁ °C Fluorinert†
Humidity........MIL-STD-202 Method 103
96 hours (2 ꢀ ∆TR, 10 Megohms IR)
Vibration.........30 G (1 ꢀ ∆TR; 1 ꢀ ∆VR)
Shock...........100 G (1 ꢀ ∆TR; 1 ꢀ ∆VR)
Load Life ...1,000 hours 0.2ꢁ watt 70 °C
(3 ꢀ ∆TR; 3 ꢀ CRV)
(.ꢀ0ꢀ .ꢀ1ꢀꢁ
4.5ꢀ .08
(.177 .ꢀ15ꢁ
1
2 0
6.85 .51
(.27ꢀ .ꢀ2ꢀꢁ
2.54 .25
(.1ꢀꢀ .ꢀ1ꢀꢁ
6.48 .51
(.255 .ꢀ2ꢀꢁ
2.54
(.1ꢀꢀꢁ
2.54 .25
(.1ꢀꢀ .ꢀ1ꢀꢁ
4.02
(.17ꢀꢁ
2.54
(.1ꢀꢀꢁ
2.54 .25
(.1ꢀꢀ .ꢀ1ꢀꢁ
2.16
(.ꢀ85ꢁ
0.18
(.125ꢁ
3266X
1.24 .25
(.ꢀ49 .ꢀ1ꢀꢁ
TOLERANCES: ꢀ.25 (.ꢀ1ꢀꢁ EXCEPT WHERE NOTED
1.ꢀ2
(.ꢀ4ꢀꢁ
Rotational Life........................200 cycles
(4 ꢀ ∆TR; 3 ꢀ or 3 ohms,
MM
(INCHESꢁ
DIMENSIONS ARE:
whichever is greater, CRV)
1.22 .25
(.ꢀ48 .ꢀ1ꢀꢁ
1
2 0
Physical Characteristics
How to Order
.46 .10
(.ꢀ18 .ꢀꢀ5ꢁ
MIN.ꢂꢂ
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals........................Solderable pins
Weight ......................................0.01ꢁ oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
2.54
(.1ꢀꢀꢁ
3266 W - 1 - 103 __ LF
2.54
(.1ꢀꢀꢁ
Model
Style
.76
2.54
(.ꢀ0ꢀꢁ
(.1ꢀꢀꢁ
Standard or Modified
Product Indicator
1.ꢀ2
(.ꢀ4ꢀꢁ
-1 = Standard Product
wiring diagram, date code,
Resistance Code
manufacturer’s model
number and style
Packaging Designator
Blank = Tube (Standard)
R = Tape and Reel (Z and Y Pin Styles
Only)
Wiper................ꢁ0 ꢀ (Actual TR) 10 ꢀ
Flammability...........................U.L. 94V-0
Standard Packaging .....ꢁ0 pcs. per tube
Adjustment Tool ..............................H-90
ꢂꢂCOMMON DIMENSIONS
A = Ammo Pack (Z and Y Pin Styles Only)
Terminations
LF = 100 ꢀ Tin-plated (RoHS compliant)
Blank = 90 ꢀ Tin ꢂ 10 ꢀ Lead-plated
(Standard)
WIPER
2
Consult factory for other available options.
CW
CCW
0
1
ꢂRoHS Directive 2ꢀꢀ2/95/EC Jan 27 2ꢀꢀ0 including Annex.
†“Fluorinert” is a registered trademark of 0M Co.
Specifications are subject to change without notice.
CLOCKWISE
Customers should verify actual device performance in their specific applications.
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