3269P-2-500LF - Bourns, Inc.

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 lead free 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 .................................. ±0.02 %

Resistance ............................ ±0.05 %

Resolution ................................... Inﬁ nite

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

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†

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 .............................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

Wiper ............... 50 % (Actual TR) ±10 %

Product Dimensions

13CW

CLOCKWISE

CCW

2WIPER

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

-2 = Terminals #1 & #3 toward

sprocket holes

For W & X pin styles:

-1 = Terminals #1 & #3 toward

sprocket holes

-2 = Terminals #1 & #3 away from

sprocket holes

For P, W & X pin styles:

-11 = ±5 % TR

Resistance Code

Embossed Tape Designator

G = Embossed Tape

“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

123

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.

3269W

.43 ± .05

(.017 ± .002)

DIA. TYP.

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)

2.29

(.090)

TYP.

3 PLCS.

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

†“Fluorinert” is a registered trademark of 3M Co.

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications.

*RoHS COMPLIANT

VERSIONS

AVAILABLE

“Trimpot” is a registered trademark of Bourns, Inc.

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications.

3269 - Packaging Speciﬁ cations

Packaging Speciﬁ cations

(P Style) (W & X Styles)

TAPE

330.2 ± 5.08

(13.000 ± .200) 16.51 ± 2.03/ -.000

(.650 ± .080/ -.000)

REEL

7.50 ± .10

(.295 ± .004)

12.00 ± .10

(.472 ± .004)

1.5 + .10/ –.00

(.059 + .004/ –.000)

4.00 ± .01

(.157 ± .004)

2.00 ± .05

(.079 ± .002)

1.75 ± .10

(.069 ± .004)

DIA.

13.0 ± .51

(.512 ± .020)

17.78 ± .25

(.700 ± .010) EQUAL SPACED 3 PLCS.

DIA.

99.06 ± 1.02

(3.90 ± .040)

18.69 ± .79

(.736 ± .031)DIA.

DIA.

16.0 ± .10

(.630 ± .004)

EMBOSSED

CARRIER TAPE

COVER TAPE

TAPE

330.2 ± 5.08

(13.000 ± .200) 16.51 ± 2.03/ -.000

(.650 ± .080/ -.000)

REEL

7.50 ± .10

(.295 ± .004)

12.00 ± .10

(.472 ± .004)

1.5 + .10/ –.00

(.059 + .004/ –.000)

4.00 ± .01

(.157 ± .004)

2.00 ± .05

(.079 ± .002)

1.75 ± .10

(.069 ± .004)

DIA.

13.0 ± .51

(.512 ± .020)

17.78 ± .25

(.700 ± .010) EQUAL SPACED 3 PLCS.

DIA.

99.06 ± 1.02

(3.90 ± .040)

18.69 ± .79

(.736 ± .031)DIA.

DIA.

16.0 ± .10

(.630 ± .004)

EMBOSSED

CARRIER TAPE

COVER TAPE

-1 as shown meets EIA Speciﬁ cation 481.

Units packaged 750 pieces per reel.

-2 as shown meets EIA Speciﬁ cation 481.

Units packaged 500 pieces per reel.

REV. 08/10