3318F1503A Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – 3318 - 6 mm Square Trimpot Trimming Potentiometer

*RoHS ^COMPLIANT
Features
■ Single-Turn / Carbon / Commercial
Open Frame
■ Cross slot rotor design suitable for
automatic adjustment equipment
■ Board retention feature
■ Enclosed cover
■ PC board stand-offs
Model 3318 is obsolete.
Models 3306F & 3306K are
preferred.
■ Adjustable front/back, top/bottom
■ RoHS compliant*
■ For trimmer applications/processing
guidelines, click here
3318 - 6 mm Square Trimpot^® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
............................... 100 to 1 megohm
(see standard resistance table)
Resistance Tolerance .................. ±30 %
(tighter tolerances available)
Contact Resistance Variation...10 % max.
Resolution ................................... Infinite
Adjustment Angle ................. 210 ° ±20 °
Product Dimensions
3318K
FRONT VIEW
0.80 ± 0.10
(.031 ± .004)
6.40
(.252)
3318F
FRONT VIEW
0.80 ± 0.10
(.031 ± .004)
6.40
(.252)
2
3.20
(.126)
Environmental Characteristics
Power Rating
100-500K ohms ...........................50 V
>500K ohms.................................25 V
OBSOLETE ^{50 °C......................................0.1 watt}
Temperature Range ... -25 °C to +100 °C
Temperature Coefficient... ±1000 ppm/°C
Load Life.. 1,000 hours 0.1 watt @ 70 °C
(20 % ΔTR)
Physical Characteristics
Torque (Operating)............. 20-250 g-cm
Stop Strength
Knob Side ........................... 750 g-cm
Reverse Side ...................... 350 g-cm
Terminals .......................Solderable pins
Marking......Resistance code, date code
Standard Packaging ....500 pcs. per bag
Adjustment Tool..............................H-90
Aqueous cleaning not recommended.
How To Order
Model
3318 K - 1 - 103 __
123
0.80 ± 0.10
(.031 ± .004)
2.50
(.098)
2.50
(.098)
1.20
(.047)
4.65
(.183)
8.00
(.315)
3.20
(.126)
DIA.
1.70
(.067)
MOUNTING
SURFACE
1.85
(.073)
0.75
(.030)
4.50
(.177)
0.40
(.016)
0.75
(.030)
3.80
(.150)
1.20
(.047)
3.20
(.126)
DIA.
REAR VIEW
2.00 ± 0.10
Style
(.079 ± .004)
3.50
(.138)
1
3
0.30
(.012)
0.75
(.030)
0.75
(.030)
6.35
(.250)
3.50 ± 0.50
(.138 ± .020)
1.70
(.067)
MOUNTING
SURFACE
DIA.
0.80 ± 0.10
(.031 ± .004)
Standard or Modified
Product Code
-1 = 30 % TR Tolerance (Standard)
-2 = 20 % TR Tolerance
Resistance Code
Packaging Options
Blank = 500 pcs./bag (Standard)
A = Ammo Pack - 1000 pcs./box
Standard Resistance Table
REAR VIEW
2.00
(.079
±
±
0.10
.004)
DIA.
0.60
(.024)
ADJUSTING
DIRECTION
Resistance
Resistance
(Ohms)
Code
100
101
200
201
500
1,000
2,000
5,000
10,000
501
SUGGESTED PWB LAYOUT
102
202
502
2.50
(.098)
1.00 + 0.10 DIA.
(.039 + .004) 3 PLACES
103
20,000
203
50,000
503
100,000
104
5.00
(.197)
200,000
204
500,000
504
1,000,000
105
Popular values listed in boldface. Others are
typically not stocked by distributors and are not
recommended for new designs.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
4.65
(.183)
0.60
(.024)
SUGGESTED PWB LAYOUT
DIA. ^{2.00 + 0.10}
(.079 ± .004)
1.00 + 0.10 _DIA.
(.039 ± .004)
5.00
(.197)
5.00
(.197)
2 ^WIPER
CCW ₁
CLOCKWISE
3 CW