Features
s
Stable,
s
s
s
infinite resolution cermet element
Vertical and horizontal adjust styles
Optional packaging on embossed tape
Compatible with surface mount
manufacturing processes
3269 - 1/4” Square SMD Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
....................................10 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......................................±0.02%
Resistance ................................±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.
Environmental Characteristics
Maximum Exposure (Temp/Time)
.................................... +245°C/10 sec.
Power Rating (300 volts max.)
85°C .......................................0.25 watt
150°C ..........................................0 watt
Temperature Range ......-65°C to +150°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 106
(2%
∆TR;
IR 100 Megohms)
Vibration............30G (1%
∆TR;
1%
∆VR)
Shock..............100G (1%
∆TR;
1%
∆VR)
Load Life...1,000 hours 0.25 watt @ 85°C
(3%
∆TR;
3% or 3 ohms
whichever is greater, CRV)
Rotational Life ........................200 cycles
(2%
∆TR;
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 ...........................Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
3269P
Common Dimensions
ADJ. SLOT 1.78 DIA. X .51 WIDE X .51 DEEP
(.020)
(.020)
(.070)
1.02
(.040)
6.35
±
.51
(.250
±
.020)
2
CCW
WIPER
1
CLOCKWISE
3
CW
1.02
(.040)
TYP
3 PLCS.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIMENSIONS ARE:
METRIC
(INCHES)
5.21
(.205)
1
1.52
±
.38
(.060
±
.015)
2
3
2.54
(.015) TYP. 3 PLCS.
2.54
(.100)
2.54
(.100)
How To Order
3269 X - 1 - 103 G
Model
Style
Standard Product
Resistance Code
Optional Suffix Letter
G= Embossed Tape
“P” Style - 750 pcs./13˝ reel
“W, X” Style - 500 pcs./13˝ reel
.46
±
.03
(.018
±
.001)
DIA. TYP.
3269W
.43
±
.05
(.017
±
.002)
DIA. TYP.
1.52
±
.38
(.060
±
.015)
2
1.02
(.040)
6.35
±
.51
SQ.
(.250
±
.020)
1.02
(.040)
7.37
(.290)
3
1
4.32
(.170)
1.02
(.040)
TYP
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
2.54
(.100)
3269X
2.54
(.100)
2.54
TYP.
(.015) 3 PLCS.
1.02
(.040)
1.52
±
.38
(.060
±
.015)
1.02
(.040)
7.37
(.290)
2.29
(.090)
TYP.
3 PLCS.
2
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
3
RECOMMENDED PCB
LAYOUT - "P"
1
RECOMMENDED PCB
LAYOUT - "W" & "X"
1.19
TYP.
(.047)
9.70
(.382)
2.54
(.100)
2.54
(.100)
7.62
(.300)
2.79
(.110)
TYP.
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
22
1.19
TYP.
(.047)
3.30
(.130)
TYP.
2.54
(.100)
2.54
(.100)
Specifications are subject to change without notice.
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
