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3266W-1-103LF_1 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – 3266 - 1/4 ” Square Trimpot® Trimming Potentiometer | |||
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*RoHS COMPLIANT
Features
â Multiturn / Cermet / Industrial / Sealed
â Standoffs allow thorough PC board
washing
â Tape and reel packaging available
â RoHS compliant* version available
3266 - 1/4 â Square Trimpot® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
........................10 ohms 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)
Adjustability
Voltage .................................. ±0.02 %
Resistance ............................ ±0.05 %
Resolution ................................... Inï¬nite
Insulation Resistance ............... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet ............................ 250 vac
Effective Travel .................12 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
70 °C .................................... 0.25 watt
150 °C ....................................... 0 watt
Temperature Range ... -55 °C to +125 °C
Temperature Coefï¬cient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinertâ
Humidity .......MIL-STD-202 Method 103
96 hours (2 % ÎTR, 10 Megohms IR)
Vibration ....... 30 G (1 % ÎTR; 1 % ÎVR)
Shock ......... 100 G (1 % ÎTR; 1 % ÎVR)
Load Life...1,000 hours 0.25 watt 70 °C
(3 % ÎTR; 3 % CRV)
Rotational Life .......................200 cycles
(4 % ÎTR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque............................. 3.0 oz-in. max.
Mechanical Stops................. Wiper idles
Terminals .......................Solderable pins
Weight ..................................... 0.015 oz.
Marking........................... Manufacturerâs
trademark, resistance code,
wiring diagram, date code,
manufacturerâs model
number and style
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool..............................H-90
2 WIPER
CCW 1
CLOCKWISE
3 CW
Product Dimensions
3266W
Common Dimensions
1.24 ±.25**
(.049 ±.010)
4.50 ±.38**
(.177 ±.015)
7.24
(.285
±.51
±.020)
TYP.**
6.71 ±.38
(.264 ±.015)
TYP.
ADJ. SLOT
1.78
(.070)
DIA.
1.22 ±.25
(.048 ±.010)
X
.51
(.020)
WIDE
X
.64
(.025)
DEEP
4.78 ±.38**
(.188 ±.015)
1 23
.46 ±.13
(.018 ±.005)
2.54
(.100)
.46
(.018
±.03
±.001)
DIA.**
2.54
2.54 (.100)
.76** (.100)
(.030)
3266P
1.02
(.040)
1.52 1 2 3
(.06)
4.42 ± .51
(.174 ±.020)
0.76 ± .25
(.030 ± .010)
1.02 ±.25
(.040 ±.010)
2.54 ± .25
(.100 ± .010)
2.54 ± .25
(.100 ± .010)
3266X
1.02
(.040)
6.48 ±.51
(.255 ±.020)
2.54 ± .25
(.100 ± .010)
1.24 ±.25
(.049 ±.010)
2.54
(.100)
1 23
2.54
(.100)
1.22 ±.25
(.048 ±.010)
.46
(.018
±.13
±.005)
MIN.**
2.54
(.100)
.76
(.030)
1.02
(.040)
**Common dimensions
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
3266Y
4.50 ±.38
(.177 ±.015)
1.24 ±.25**
(.049 ±.010)
6.71 ±.38
(.264 ±.015)
1.22 ±.25
(.048 ±.010)
MIN.
0.46 ±.13
(.018 ±.005)
1.02
(.040 )
1 23
4.32
(.170)
2.54
(.100)
6.85 ±.51
(.270 ±.020)
2.54
(.100)
2.16
(.085)
3266Z
1.24 ±.25**
(.049 ±.010)
3.18
(.125)
7.24 ±.51
(.285 ±.020)
4.50 ±.38
(.177 ±.015)
0.38
(.015)
MIN.
1.02
(.040)
1.22 ±.25
(.048 ±.010)
1 23
4.50 ±.38
(.177 ±.015)
4.32
(.170)
2.54
(.100)
6.85 ±.51
(.270 ±.020)
2.54
(.100)
2.16
(.085)
3.18
(.125)
How To Order
3266 W - 1 - 103 __ LF
Model
Style
Standard or Modiï¬ed
Product Indicator
-1 = Standard Product
Resistance Code
Packaging Designator
Blank = Tube (Standard)
R = Tape and Reel (Z and Y Pin Styles
Only)
A = Ammo Pack (Z and Y Pin Styles Only)
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
â âFluorinertâ is a registered trademark of 3M Co.
Speciï¬cations are subject to change without notice.
Customers should verify actual device performance in their speciï¬c applications.
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