Datasheet

Features
■ Stable, infi nite resolution cermet element
■ Vertical and horizontal adjust styles
■ Optional packaging on embossed tape
■ Compatible with surface mount manufacturing processes
■ RoHS compliant* - see processing information on RoHS compliant surface mount
trimmers
■ For trimmer applications/processing guidelines, click here
3269 - 1/4 ” Square SMD Trimpot
®
Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
........................10 ohms to 1 megohm
(see standard resistance table)
Resistance Tolerance ........... ±10 % std.
(closer tolerance available)
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 ................................... Infi nite
Insulation Resistance ...............500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet ............................ 250 vac
Eff ective Travel .................12 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
85 °C ....................................0.25 watt
150 °C .......................................0 watt
Temperature Range ... -65 °C to +150 °C
Temperature Coeffi cient ... ±100 ppm/°C
Seal Test ..85 °C Fluorinert†/60 seconds
Humidity .......MIL-STD-202 Method 106
(2 % ΔTR; IR 100 Megohms)
Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life .. 1,000 hours 0.25 watt @ 85 °C
(3 % ΔTR; 3 % or 3 ohms
whichever is greater, CRV)
Rotational Life .......................200 cycles
(2 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque ............................. 2.5 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals .......................Solderable pins
Weight ..................................... 0.015 oz.
Marking ........................... Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
Standard Packaging ................. (MSL-2)
50 pcs. per tube
Adjustment Tool .............................. H-90
Wiper ............... 50 % (Actual TR) ±10 %
Product Dimensions
1
3
CW
CLOCKWISE
CCW
2
WIPER
How To Order
3269 X - 1 - 103 G LF
Model
Style
Standard or Modifi ed
Product Indicator
For P pin style:
-1 = Terminals #1 & #3 away from
sprocket holes
For W & X pin styles:
-1 = Terminals #1 & #3 toward
sprocket holes
For P, W & X pin styles:
-11 = ±5 % TR
Resistance Code
Embossed Tape Designator
G = Embossed Tape (MSL-2)
“P” Style - 750 pcs./13 ˝ reel
“W, X” Style - 500 pcs./13 ˝ reel
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Standard Resistance Table
Resistance Resistance
(Ohms) Code
10 100
20 200
50 500
100 101
200 201
500 501
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
25,000 253
50,000 503
100,000 104
200,000 204
250,000 254
500,000 504
1,000,000 105
TOLERANCES: ±
0.25
EXCEPT WHERE NOTED
(.010)
DIMENSIONS:
MM
(INCHES)
Popular distribution values listed in boldface.
Special resistances available.
2.54
(.100)
2.54
(.100)
RECOMMENDED PCB
LAYOUT - "P"
RECOMMENDED PCB
LAYOUT - "W" & "X"
1.19
(.047)
TYP.
3.30
(.130)
TYP.
9.70
(.382)
2.54
(.100)
2.54
(.100)
1.19
(.047)
TYP.
2.79
(.110)
TYP.
7.62
(.300)
3269P
Common Dimensions
1.02
(.040)
1.78
(.070)
WIDE
X X DEEP
DIA.
.51
(.020)
.51
(.020)
ADJ. SLOT
1
2
3
1.52 ± .38
(.060 ± .015)
5.21 ± 0.63
(.205 ± .025)
6.35 ± .51
(.250 ± .020)
1.02
(.040)
TYP
3 PLCS.
2.54
(.100)
TYP. 3 PLCS.
2.54
(.100)
2.54
(.100)
.46 ± .03
(.018 ± .001)
DIA. TYP.
.46 ± .03
(.018 ± .001)
DIA. TYP.
3269W
1
3
2
1.52 ± .38
(.060 ± .015)
1.02
(.040)
6.35 ± .51
(.250 ± .020)
SQ.
1.02
(.040)
7.44
(.293)
2.54
(.100)
2.54
(.100)
2.29
(.09)
TYP.
3 PLCS.
4.32
(.170)
1.02
(.040)
TYP
3269X
1.02
(.040)
1.52 ± .38
(.060 ± .015)
1.02
(.040)
7.44
(.293)
1
2
3
2.29
(.090)
TYP.
3 PLCS.
*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.
Specifi 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 specifi c applications.
*RoHS COMPLIANT
VERSIONS
AVAILABLE