Features
■ Stable, infinite 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
WIPER
Electrical Characteristics
Product Dimensions
2
3269P
Standard Resistance Range
CW
CCW
3
Common Dimensions
1
........................10 ohms to 1 megohm
(see standard resistance table)
Resistance Tolerance ........... 10 ꢀ std.
(closer tolerance available)
.51
WIDE
X
.51
(.020)
1.78
CLOCKWISE
ADJ. SLOT
DIA.
X
DEEP
1.02
(.040)
TYP
(.020)
(.070)
1.02
(.040)
6.35 .51
(.250 .020)
MM
(INCHES)
DIMENSIONS:
0.25
Absolute Minimum Resistance
........................... 1 ꢀ or 2 ohms max.
(whichever is greater)
TOLERANCES:
EXCEPT WHERE NOTED
(.010)
3 PLCS.
Contact Resistance Variation
........................ 3.0 ꢀ or 3 ohms max.
(whichever is greater)
How To Order
2.54
(.100)
1
2
3
TYP. 3 PLCS.
3269 X - 1 - 103 G LF
2.54
(.100)
1.52 .38
(.060 .015)
Adjustability
Model
Style
5.21 0.63
(.205 .025)
.46 .03
(.018 .001)
DIA. TYP.
Voltage Divider...................... 0.02 ꢀ
Rheostat................................ 0.0ꢁ ꢀ
Resolution ................................... Infinite
Insulation Resistance ...............ꢁ00 vdc.
1,000 megohms min.
2.54
(.100)
Standard or Modified
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
3269W
.46 .03
(.018 .001)
DIA. TYP.
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet............................ 2ꢁ0 vac
Effective Travel .................12 turns nom.
3
1
1.52 .38
(.060 .015)
For P, W & X pin styles:
-11 = ꢁ ꢀ TR
Environmental Characteristics
2
1.02
(.040)
Power Rating (300 volts max.)
4.32
(.170)
Resistance Code
6.35 .51
(.250 .020)
SQ.
8ꢁ °C....................................0.2ꢁ watt
1ꢁ0 °C.......................................0 watt
Temperature Range...-6ꢁ °C to +1ꢁ0 °C
Temperature Coefficient ... 100 ppm/°C
Seal Test......................8ꢁ °C Fluorinert†
Humidity .......MIL-STD-202 Method 106
(2 ꢀ ΔTR; IR 100 Megohms)
1.02
(.040)
Embossed Tape Designator
G = Embossed Tape
TYP
“P” Style - 7ꢁ0 pcs./13 ˝ reel
“W, X” Style - ꢁ00 pcs./13 ˝ reel
1.02
(.040)
7.44
(.293)
Terminations
LF =
100 ꢀ Tin-plated (RoHS compliant)
2.29
(.09)
2.54
(.100)
2.54
(.100)
TYP.
Blank = 90 ꢀ Tin / 10 ꢀ Lead-plated
(Standard)
Vibration ....... 30 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
Shock ......... 100 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
Load Life.. 1,000 hours 0.2ꢁ watt @ 8ꢁ °C
(3 ꢀ ΔTR; 3 ꢀ or 3 ohms
3 PLCS.
3269X
1.02
(.040)
1.52 .38
(.060 .015)
Standard Resistance Table
whichever is greater, CRV)
Resistance
(Ohms)
10
Resistance
Rotational Life .......................200 cycles
(2 ꢀ ΔTR; 3 ꢀ or 3 ohms,
7.44
(.293)
Code
100
200
ꢁ00
101
201
501
102
202
502
103
203
253
503
104
204
2ꢁ4
ꢁ04
10ꢁ
1.02
(.040)
whichever is greater, CRV)
20
ꢁ0
2.29
(.090)
TYP.
2
Physical Characteristics
100
200
Torque.............................2.ꢁ oz-in. max.
Mechanical Stops.................Wiper idles
Terminals .......................Solderable pins
Weight .....................................0.01ꢁ oz.
Marking...........................Manufacturer’s
trademark, resistance code,
500
3 PLCS.
1,000
2,000
5,000
3
1
10,000
20,000
25,000
50,000
100,000
200,000
2ꢁ0,000
ꢁ00,000
1,000,000
RECOMMENDED PCB
LAYOUT - "P"
RECOMMENDED PCB
LAYOUT - "W" & "X"
wiring diagram, date code,
manufacturer’s model
1.19
(.047)
TYP.
number and style
Standard Packaging.....ꢁ0 pcs. per tube
Adjustment Tool..............................H-90
Wiper ...............ꢁ0 ꢀ (Actual TR) 10 ꢀ
9.70
(.382)
2.79
(.110)
TYP.
Popular distribution values listed in boldface.
2.54
(.100)
7.62
(.300)
Special resistances available.
2.54
(.100)
*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.
3.30
(.130)
TYP.
2.54
(.100)
2.54
(.100)
1.19
(.047)
TYP.
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.