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3303W-3-103E Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – 3303 - 3 mm SMD Trimpot® Trimming Potentiometer
*RoHS COMPLIANT
Features
■ Recommended for reflow processing
■ Rotor design compatible with pick and
place and automatic adjustment equipment
■ Supplied in 8 mm embossed tape,
compatible with automatic assembly
equipment
■ Rear adjust version available
■ 3 mm size meets EIA/EIAJ standard
trimmer footprint
■ RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
■ For trimmer applications/processing
guidelines, click here
3303 - 3 mm SMD Trimpot® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
......................100 ohms to 1 megohm
(see standard resistance table)
Resistance Tolerance ........... ±25 % std.
Absolute Minimum Resistance
≤ 1K Ohms ................... 20 ohms max.
>1K Ohms ..................2 % max. of TR
Contact Resistance Variation . 5 % max.
Resolution ................................... Infinite
Adjustment Angle ................. 260 ° ±20 °
Environmental Characteristics
Resistance to Soldering Heat
...260 °C, 10 seconds, TRS max. 5 %
Power Rating (50 VDC max.)
70 °C .................................... 0.15 watt
Temperature Range ... -40 °C to +125 °C
Temperature Coefficient ... ±250 ppm/°C
Humidity ................................... 95 %RH
500 hours
TRS max. ...................................... ±5 %
Load Life
..........@ 70 °C rated power 500 hours
TRS ± 5 %
Rotational Cycling .....................20 turns
TRS ±15 %
Physical Characteristics
Torque....................... 20-200 g-cm max.
Mechanical Angle ................ Continuous
Marking..................... Part marking code
Standard Packaging
............................... 2000 pcs./7 ” reel
Adjustment Tool..............................H-90
Aqueous cleaning not recommended.
How To Order
3303 X - 3 - 103 E
Model
Style
Orientation of Parts In Tape:
• Styles W, C -Terminals Toward
Sprocket Holes
• Styles X, D - Terminals Away
From Sprocket Holes
(preferred)
Standard or Modified
Product Indicator
-1 = Single Slot
(C, D Pin Styles Only)
-3 = Cross Slot Low Profile
(W, X Pin Styles Only)
Resistance Code
Embossed Tape Designator
Consult factory for other available options.
Product Dimensions
3303W, X-3
3mm Open Frame
for Reflow Soldering
3-Terminal
Low Profile
3.75
(.148)
1.85
2
(.073)
3.00
(.118)
1.50
(.059)
1.90
(.075)
0.95
(.037)
1.10
(.043)
0.90
(.035)
0.80
(.031)
0.90
(.035)
3.00
(.188)
1
3
2.80
(.110)
1.55
(.061)
1.35
(.053)
0.90
(.035)
0.99
(.039)
0.90
(.035)
SUGGESTED PWB LAYOUT
1.60
(.063)
1.50
(.059)
0.90
(.035)
0.99
(.039)
1.20
(.047)
0.80
(.031)
3.20
(.126)
DIMENSIONS:
TOLERANCES: ±
0.30
(.012)
MM
(INCHES)
EXCEPT WHERE NOTED
2 WIPER
CCW 1
CLOCKWISE
3 CW
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3303C,D-1
3-Terminal
Both Sides Adjust
3.75
(.148)
1.85
(.073)
3.00
(.118)
2.50 ± 0.15
(.098 ± .006)
.0.55 ± 0.15
(.022 ± .006)
1.59
(.060)
1.90
(.075) 1 2 3
1.40
(.055)
MAX.
0.31 ± 0.15
(.012 ± .006)
ADJ SLOT
2.50 ± .15 LONG
(.098 ± .006)
X
.55 ± .15
(.022 ± .006)
WIDE
X .30 ± .15
(.012 ± .006)
DEEP
0.31
(.012)
0.51
(.020)
0.95
(.037)
0.90
(.035) 1.10
(.043)
0.80
(.031) 0.56
(.022)
0.56
(.022)
SUGGESTED PWB LAYOUT
1.40
2.30 (.055)
(.091)
1.80 DIA.
(.071)
1.31
(.051)
DIA.
0.41
(.016)
1.19
(.047)
0.56
(.022)
1.10
(.043)
1.10
(.043)
2.30
(.091)
3.20
(.126)
1.70
(.067)
0.70
(.028)
DIMENSIONS:
TOLERANCES: ±
0.38
(.015)
MM
(INCHES)
EXCEPT WHERE NOTED