3266_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Square Trimpot® Trimming Potentiometer

*RoHS ^COMPLIANT
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
.................... 100 ohms to 500K ohms
(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 Divider ...................... ±0.02 %
Rheostat................................ ±0.05 %
Resolution ................................... Infinite
Insulation Resistance ............... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet ............................ 250 vac
Effective Travel .................12 turns nom.
3266W
Common Dimensions
1.52 ± .25**
(.060 ± .010)
4.31 ± .38**
(.170 ± .015)
6.85
(.270
±
±
.51
.020)
TYP.**
6.35 ± .25
(.250 ± .010)
TYP.
ADJ. SLOT
1.78
(.070)
DIA.
1.22 ± .25
(.048 ± .010)
X
.51
(.020)
WIDE
X
.64
(.025)
DEEP
4.88 ± .51**
(.192 ± .020)
1 23
.38 ± .25
(.015 ± .010)
2.54
(.100)
.46
(.018
±.03
±.001)
DIA.**
2.54
2.54 (.100)
.76** ^(.100)
(.030)
1.02
(.040)
3266Y
4.31 ± .38
(.170 ± .015)
1.52 ± .38**
(.060 ± .015)
6.35 ± .25
(.250 ± .010)
1.02 ± .25
(.040 ± .010)
MIN.
.38
(.015)
1.02
(.040)
1 23
4.32
(.170)
2.54
(.100)
6.85 ± .51
(.270 ± .020)
2.54
(.100)
2.16
(.085)
3266Z
1.52 ± .38**
(.060 ± .015)
3.18
(.125)
Environmental Characteristics
Power Rating (300 volts max.)
70 °C .................................... 0.25 watt
150 °C ....................................... 0 watt
Temperature Range ... -55 °C to +125 °C
Temperature Coefficient ... ±100 ppm/°C
3266P
1.52
(.06)
0.76 ± .25
(.030 ± .010)
1 23
4.42 ± .51
(.174 ± .020)
1.02 ± .25
(.040 ± .010)
4.31 ± .38
(.170 ± .015)
1.02
(.040)
0.38
(.015)
MIN.
1 23
1.02 ± .25
(.040 ± .010)
Seal Test ......................85 °C Fluorinert†
6.85 ± .51
Humidity .......MIL-STD-202 Method 103
96 hours (2 % ΔTR, 10 Megohms IR)
Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life...1,000 hours 0.25 watt 70 °C
2.54 ± .25
(.100 ± .010)
2.54 ± .25
(.100 ± .010)
6.48 ± .51
(.255 ± .020)
2.54 ± .25
(.100 ± .010)
4.32
(.170)
2.54
(.100)
(.270 ± .020)
2.54
(.100)
(3 % ΔTR; 3 % CRV)
Rotational Life .......................200 cycles
3266X
2.16
(.085)
3.18
(.125)
(4 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque............................. 3.0 oz-in. max.
Mechanical Stops................. Wiper idles
Terminals .......................Solderable pins
1.02
(.040)
1 23
2.54
1.52 ± .25
(.060 ± .010)
1.01 ± .25
(.040 ± .010)
.38
(.015
±
±
..20510)MIN.**
How To Order
3266 W - 1 - 103 __ LF
Model
Style
Standard or Modified
Weight ..................................... 0.015 oz.
Marking........................... Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
(.100)
2.54
(.100)
1.02
(.040)
2.54
(.100)
.76
(.030)
Product Indicator
-1 = Standard Product
Resistance Code
Packaging Designator
Blank = Tube (Standard)
R = Tape and Reel (Z and Y Pin Styles
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
**Common dimensions
Only)
A = Ammo Pack (Z and Y Pin Styles Only)
Standard Packaging .....50 pcs. per tube
Adjustment Tool..............................H-90
DIMENSIONS:
MM
(INCHES)
Terminations
LF = 100 % Tin-plated (RoHS compliant)
2 ^WIPER
TOLERANCES: ±
0.25
(.010)
EXCEPT WHERE NOTED
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
CCW ₁
3 CW
CLOCKWISE
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
†“Fluorinert” is a registered trademark of 3M Co.
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.