Features
■ Stable, infinite resolution cermet element
■ Vertical and horizontal adjust styles
■ Optional packaging on embossed tape
■ RoHS compliant* - see processing
information on lead free surface mount
trimmers
■ Compatible with surface mount
manufacturing processes
3269 - 1/4 ” Square SMD Trimming Potentiometer
3269P
Common Dimensions
WIPER
Electrical Characteristics
2
.51
WIDE
X
.51
Standard Resistance Range
1.78
ADJ. SLOT
DIA.
X
DEEP
CW
CCW
3
(.020)
(.020)
(.070)
1
..........................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)
CLOCKWISE
1.02
(.040)
6.35 ± .51
(.250 ± .020)
1.02
(.040)
TOLERANCES: 0.25 (.010) EXCEPT WHERE NOTED
TYP
3 PLCS.
5.21
MM
DIMENSIONS ARE:
(.205)
(INCHES)
2.54
(.100)
TYP. 3 PLCS.
2
3
1
How To Order
1.52 ± .38
(.060 ± .015)
2.54
(.100)
3269 X - 1 - 103 G LF
Adjustability
Model
Style
2.54
(.100)
Voltage..................................... 0.02 ꢀ
Resistance............................... 0.0ꢁ ꢀ
Resolution.....................................Infinite
Insulation Resistance ................ꢁ00 vdc.
1,000 megohms min.
.46 ± .03
(.018 ± .001)
DIA. TYP.
Standard or Modified
Product Indicator
3269W
.43 ± .05
(.017 ± .002)
DIA. TYP.
For P pin style:
-1 = Terminals #1 & #3 away from
sprocket holes
Dielectric Strength
3
1
Sea Level ..................................600 vac
80,000 Feet...............................2ꢁ0 vac
Effective Travel..................12 turns nom.
-2 = Terminals #1 & #3 toward
sprocket holes
1.52 ± .38
(.060 ± .015)
For W & X pin styles:
-1 = Terminals #1 & #3 toward
sprocket holes
-2 = Terminals #1 & #3 away from
sprocket holes
2
1.02
(.040)
Environmental Characteristics
4.32
Power Rating (300 volts max.)
6.35 ± .51
(.250 ± .020)
(.170)
SQ.
8ꢁ °C ......................................0.2ꢁ watt
1ꢁ0 °C .........................................0 watt
Temperature Range....-6ꢁ °C to +1ꢁ0 °C
Temperature Coefficient .... 100 ppmꢂ°C
Seal Test........................8ꢁ °C Fluorinert†
Humidity........MIL-STD-202 Method 106
(2 ꢀ ∆TR; IR 100 Megohms)
Vibration.........30 G (1 ꢀ ∆TR; 1 ꢀ ∆VR)
Shock...........100 G (1 ꢀ ∆TR; 1 ꢀ ∆VR)
Load Life..1,000 hours 0.2ꢁ watt @ 8ꢁ °C
(3 ꢀ ∆TR; 3 ꢀ or 3 ohms
For P, W & X pin styles:
-11 = ꢁ ꢀ TR
1.02
(.040)
1.02
(.040)
TYP
Resistance Code
7.44
(.293)
Embossed Tape Designator
G = Embossed Tape
“P” Style - 7ꢁ0 pcs.ꢂ13 ˝ reel
“W, X” Style - ꢁ00 pcs.ꢂ13 ˝ reel
2.29
(.09)
2.54
(.100)
2.54
(.100)
TYP.
3 PLCS.
Terminations
LF = 100 ꢀ Tin-plated (RoHS compliant)
Blank = 90 ꢀ Tin ꢂ 10 ꢀ Lead-plated
(Standard)
3269X
1.52 ± .38
(.060 ± .015)
whichever is greater, CRV)
Rotational Life........................200 cycles
(2 ꢀ ∆TR; 3 ꢀ or 3 ohms,
1.02
(.040)
1.02
(.040)
Standard Resistance Table
7.44
(.293)
Resistance
(Ohms)
Resistance
Code
whichever is greater, CRV)
10
20
ꢁ0
100
200
ꢁ00
Physical Characteristics
2
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ......................................0.01ꢁ oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
2.29
100
101
201
501
102
202
502
103
203
253
503
104
(.090)
200
TYP.
3 PLCS.
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
3
1
wiring diagram, date code,
RECOMMENDED PCB
LAYOUT - "P"
RECOMMENDED PCB
LAYOUT - "W" & "X"
manufacturer’s model
number and style
1.19
TYP.
Standard Packaging .....ꢁ0 pcs. per tube
Adjustment Tool ..............................H-90
Wiper................ꢁ0 ꢀ (Actual TR) 10 ꢀ
(.047)
200,000
2ꢁ0,000
ꢁ00,000
1,000,000
204
2ꢁ4
ꢁ04
10ꢁ
9.70
(.382)
2.79
(.110)
TYP.
Popular distribution resistance values listed in
boldface. Special resistances available.
2.54
(.100)
7.62
(.300)
2.54
(.100)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
3.30
(.130)
TYP.
2.54
(.100)
2.54
(.100)
1.19
TYP.
(.047)
Customers should verify actual device performance in their specific applications.
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