3269W-1-254LF Bourns Inc., 3269W-1-254LF Datasheet
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3269W-1-254LF
Manufacturer Part Number
3269W-1-254LF
Description
TRIMPOT 250K OHM 6MM CERMET SMD
Manufacturer
Bourns Inc.
Series
3269 - Sealedr
Type
SMD Trimming Potentiometerr
Datasheet
1.3269W-1-103LF.pdf
(2 pages)
Specifications of 3269W-1-254LF
Tolerance
±10%
Resistance (ohms)
250K
Power (watts)
0.25W, 1/4W
Temperature Coefficient
±100ppm/°C
Number Of Turns
12
Adjustment Type
Top Adjustment
Mounting Type
Surface Mount
Resistive Material
Cermet
Package / Case
Square - 0.250" L x 0.170" W x 0.293" H (6.35mm x 4.32mm x 7.44mm)
Resistance In Ohms
250K
Resistance
250 KOhms
Power Rating
0.25 Watt (1/4 Watt)
Operating Temperature Range
- 65 C to + 150 C
Element Type
Cermet
Dimensions
4.8 mm W x 5.3 mm L
Product
Trimmers
Termination Style
SMD/SMT
Taper
Linear
Product Type
Multiturn
Adjustment
Top Slot
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
3269W-1-254LF
Manufacturer:
BOURNS
Quantity:
20 000
Electrical Characteristics
Standard Resistance Range
Resistance Tolerance ........... ±10 % std.
Absolute Minimum Resistance
Contact Resistance Variation
Adjustability
Resolution ................................... Infi nite
Insulation Resistance ............... 500 vdc.
Dielectric Strength
Effective Travel .................12 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
Temperature Range ... -65 °C to +150 °C
Temperature Coeffi cient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert†
Humidity .......MIL-STD-202 Method 106
Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life .. 1,000 hours 0.25 watt @ 85 °C
Rotational Life .......................200 cycles
Physical Characteristics
Torque ............................. 3.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals .......................Solderable pins
Weight ..................................... 0.015 oz.
Marking ........................... Manufacturer’s
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
Wiper ............... 50 % (Actual TR) ±10 %
*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.
Voltage .................................. ±0.02 %
Resistance ............................ ±0.05 %
Sea Level................................ 600 vac
80,000 Feet ............................ 250 vac
85 °C .................................... 0.25 watt
150 °C ....................................... 0 watt
........................10 ohms to 1 megohm
........................... 1 % or 2 ohms max.
........................ 3.0 % or 3 ohms max.
(see standard resistance table)
(2 % ΔTR; IR 100 Megohms)
trademark, resistance code,
wiring diagram, date code,
(closer tolerance available)
whichever is greater, CRV)
(2 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
(3 % ΔTR; 3 % or 3 ohms
manufacturer’s model
(whichever is greater)
(whichever is greater)
1,000 megohms min.
number and style
Features
■
■
■
■
■
3269 - 1/4 ” Square SMD Trimpot
(.100)
(.100)
(.293)
2.54
3269W
2.54
3269X
3269P
Common Dimensions
RECOMMENDED PCB
LAYOUT - "P"
7.44
(.040)
1.02
Product Dimensions
(.100)
3 PLCS.
2.54
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
information
trimmers
(.090)
2.29
TYP.
3
(.047)
1.19
(.205 ± .025)
5.21 ± 0.63
ADJ. SLOT
(.018 ± .001)
2
TYP.
DIA. TYP.
(.060 ± .015)
.46 ± .03
1
1.52 ± .38
(.382)
9.70
2
(.070)
(.040)
on lead free surface mount
1.78
1.02
(.100)
(.250 ± .020)
2.54
6.35 ± .51
1
3
(.040)
(.130)
(.017 ± .002)
(.060 ± .015)
1.02
3.30
DIA.
(.040)
TYP.
1.02
(.040)
(.060 ± .015)
1.52 ± .38
1.02
.43 ± .05
DIA. TYP.
1.52 ± .38
X
(.250 ± .020)
(.020)
6.35 ± .51
.51
(.100) TYP. 3 PLCS.
2.54
processing
SQ.
3
RECOMMENDED PCB
LAYOUT - "W" & "X"
(.300)
7.62
(.100)
2.54
WIDE
(.170)
4.32
2.29
(.09)
(.047)
X
2
1.19
(.020)
3 PLCS.
.51
TYP.
1
TYP.
3 PLCS.
(.293)
(.040)
7.44
1.02
DEEP
TYP
(.100)
(.100)
(.040)
(.100)
2.54
2.54
1.02
2.54
(.110)
TYP
2.79
TYP.
confi gurations are preferred.
TOLERANCES: ±
Model
Style
Standard or Modifi ed
Product Indicator
Resistance Code
Embossed Tape Designator
Terminations
Popular distribution values listed in boldface.
Special resistances available.
®
How To Order
For P pin style:
-1 = Terminals #1 & #3 away from
-2 = Terminals #1 & #3 toward
For W & X pin styles:
-1 = Terminals #1 & #3 toward
-2 = Terminals #1 & #3 away from
For P, W & X pin styles:
-11 = ±5 % TR
G = Embossed Tape
LF =
Blank = 90 % Tin / 10 % Lead-plated
Standard Resistance Table
Trimming Potentiometer
CCW
Resistance
Model 3269-2 confi gurations are
sprocket holes
sprocket holes
sprocket holes
sprocket holes
“P” Style - 750 pcs./13 ˝ reel
“W, X” Style - 500 pcs./13 ˝ reel
1,000,000
100,000
200,000
250,000
500,000
(Ohms)
10,000
20,000
25,000
50,000
available but not recommended
1
1,000
2,000
5,000
DIMENSIONS:
for new designs. 3269-1
100 % Tin-plated (RoHS compliant)
(Standard)
100
200
500
10
20
50
CLOCKWISE
(.010)
0.25
3269 X - 1 - 103 G LF
2
(INCHES)
WIPER
EXCEPT WHERE NOTED
MM
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
3
CW
Related parts for 3269W-1-254LF
3269W-1-254LF Summary of contents
Page 1
... TYP. 3 PLCS. 1.52 ± .38 (.060 ± .015) 2.54 5.21 ± 0.63 (.100) (.205 ± .025) 2.54 (.100) .46 ± .03 (.018 ± .001) DIA. TYP. .43 ± .05 3269W (.017 ± .002) 3 DIA. TYP. 1 1.52 ± .38 (.060 ± .015) 2 1.02 (.040) 4.32 6.35 ± .51 (.170) SQ. (.250 ± ...
Page 2
Features (Continued) ■ For trimmer applications/processing guidelines, click here 3269 - Packaging Specifi cations Packaging Specifi cations (P Style) EMBOSSED CARRIER TAPE COVER TAPE 7.50 ± .10 (.295 ± .004) 1.5 + .10/ –.00 DIA. (.059 + .004/ –.000) 4.00 ...