BOURNS 3303W-3-103E

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Features
■ Recommended for reflow processing
■ 3 mm size meets EIA/EIAJ standard
■ Rotor design compatible with pick and
trimmer footprint
■ RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
■ For trimmer applications/processing
guidelines, click here
place and automatic adjustment equipment
■ Supplied in 8 mm embossed tape,
compatible with automatic assembly
equipment
■ Rear adjust version available
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
Product Dimensions
3303W, X-3
3mm Open Frame
for Reflow Soldering
3-Terminal
Low Profile
3303C,D-1
3-Terminal
Both Sides Adjust
3.00
(.118)
3.75
(.148)
1.85
(.073)
1.90
(.075)
0.95
(.037)
ADJ SLOT
1.59
(.060)
1.50
(.059)
1
3
2.80
(.110)
1.10
(.043)
1.55
(.061)
1.35
(.053)
0.90
(.035)
0.90
(.035)
2.50 ± .15 LONG
(.098 ± .006)
1.90
(.075)
1
2
3
0.90
(.035)
X
.55 ± .15
WIDE
(.022 ± .006)
.30 ± .15
X
DEEP
(.012 ± .006)
0.31
(.012)
0.51
(.020)
1.40 MAX.
(.055)
0.31 ± 0.15
(.012 ± .006)
1.31
DIA.
(.051)
0.99
(.039)
0.80
(.031)
0.90
(.035)
0.41
(.016)
1.19
(.047)
0.95
(.037)
SUGGESTED PWB LAYOUT
1.60
(.063)
0.90
(.035)
0.99
(.039)
1.50
(.059)
How To Order
3303 X - 3 - 103 E
0.80
(.031)
3.20
(.126)
1.20
(.047)
Model
Style
Standard or Modified
Product Indicator
-1 = Single Slot
(C, D Pin Styles Only)
-3 = Cross Slot Low Profile
(W, X Pin Styles Only)
.0.55 ± 0.15
(.022 ± .006)
3.00
(.188)
Aqueous cleaning not recommended.
Orientation of Parts In Tape:
• Styles W, C -Terminals Toward
Sprocket Holes
• Styles X, D - Terminals Away
From Sprocket Holes
(preferred)
2.50 ± 0.15
(.098 ± .006)
3.75
(.148)
1.85
(.073)
3.00
(.118)
2
DIMENSIONS:
0.30
(.012)
TOLERANCES: ±
CCW
CLOCKWISE
0.56
(.022)
0.56
(.022)
SUGGESTED PWB LAYOUT
1.40
(.055)
1.10
(.043)
1.80 DIA.
(.071)
1.10
(.043)
WIPER
3
1
1.10
(.043)
0.80
(.031) 0.56
(.022)
2.30
(.091)
MM
(INCHES)
EXCEPT WHERE NOTED
2
0.90
(.035)
CW
2.30
(.091)
1.70
(.067)
0.70
(.028)
3.20
(.126)
Resistance Code
Embossed Tape Designator
Consult factory for other available options.
DIMENSIONS:
TOLERANCES: ±
*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.
0.38
(.015)
MM
(INCHES)
EXCEPT WHERE NOTED
3303 - 3 mm SMD Trimpot® Trimming Potentiometer
Packaging Specifications
Standard Resistance Table
2.00 ± 0.20
MAX.
(.079 ± .008)
0.60
MAX.
(.024)
3.50 ± 0.10
(.138 ± .004)
4.00 ± 0.010
(.157 ± .004)
4.00 ± 0.10
(.157 ± .004)
2.00 ± 0.05
(.078 ± .002)
Resistance
(Ohms)
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
Part Marking
Code
12
22
52
13
23
53
14
24
54
15
25
55
16
Resistance
Code
101
201
501
102
202
502
103
203
503
104
204
504
105
Popular distribution resistance values listed in
boldface. Special resistances available.
3.30 ± 0.20
(.130 ± .008)
1.75 ± 0.10
(.069 ± .004)
3.99 ± 0.20
(.157 ± .008)
8.00 ± 0.31
(.314 ± .012)
TAPE
178.0 ± 2.00
DIA.
(6.980 ± .078)
1.20 ± 0.50
(.047 ± .020)
50.03
MIN. DIA.
(1.962)
8.89 ± 1.52
(.350 ± .060)
12.95 ± 0.51
DIA.
(.508 ± .020)
REEL
Meets EIA 481
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
REV. 06/11
“Trimpot” is a registered trademark of Bourns, Inc.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.