Features
■
■
■
■
Single-Turn / Carbon / Commercial
Open Frame
Cross slot rotor design suitable for
automatic adjustment equipment
Board retention features
Enclosed cover
PC board stand-offs
■ Adjustable front / back, top / bottom
■ RoHS compliant †
■
3318 - 6 mm Square Trimming Potentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
...........................................100 Ω to 1 MΩ
(see standard resistance table)
Resistance Tolerance .........................±20 %
Contact Resistance Variation
..................................................10 % max.
Resolution ..........................................Infinite
Adjustment Angle ........................210 °± 15 ˚
Model 3318S
Model 3318P
6.5
(.256)
.800 ± .10
(.032 ± .004)
6.5
3.4
(.256)
(.134)
3.1
DIA.
(.122)
104
Mounting
Surface
3.5
(.138)
2
.800
(.031)
3.8
(.150)
4.6 ± .30
(.181 ± .01)
1.5
(.060)
1.2
(.047)
6.35
(.250)
3
1
Physical Characteristics
Torque (Operating)..................20~250 gf-cm
Stop Strength
Knob Side ..................................800 gf-cm
Reverse Side .............................350 gf-cm
Terminals..............................Solderable pins
Marking ..............................Resistance code
Standard Packaging ..........500 pcs. per bag
3.5
(.138)
2.2
(.087)
Mounting
Surface
Model
.800
(.031)
3 PLCS.
Standard or Modified
Product Indicator
-1 = Standard Product
1.7
(.067) 1.1
(.043)
Resistance Code
0.8
(.031)
Ammo Pak Designator (G, S & B only)
2
7.9 ± .03
(.311± .001)
.60
R
(.024)
2.9
(.114)
WIPER
2
3.5
(.138)
2.0
(.079)
5.0
(.197)
4.3
(.170)
4.8
(.189)
2.0
(.079)
Style
3
1
5.0
(.197)
How to Order
3318 P - 1 - 103 A
3.1
(.122)
DIA.
104
4.5
(.178)
Environmental Characteristics
Power Rating ..................................0.1 watt
Temperature Range............-10 °C to +70 °C
Temperature Coefficient ......±1,000 PPM/°C
Load Life
............240 hours @ 50 °C (+20/-5 %∆TR)
.800 ± .10
(.032 ± .004)
3.4
(.134)
3.5 DIA.
(.138)
1.5
(.060)
1.2
(.047)
4.3
(.170)
4.6 ± .30
(.181 ± .012)
1.6
1.8
(.062)
(.070)
1.0
(.040)
4.8
(.189)
1.7
1.4 (.067)
0.3
(.112) (.055)
.800
(.031)
2.5
(.098)
3.8
(.150)
2.0
(.079)
5.0
3.5
DIA.
(.138) (.197)
R
1.6
(.063)
0.6
(.024) 1.0
(.040)
Recommended PCB Layout
CCW
3
1
CLOCKWISE
CW
1.00 ± 0.10
DIA.
(.039 ± .004)
Recommended PCB Layout
2.5 ± .10
(.099 ± .004)
1.0 ± .10
DIA.
(.040 ± .004)
3 PLCS.
5.00
(.197)
5.0 ± .10
(.197 ± .004)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIMENSIONS ARE:
†
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.
2.00 ± 0.10
DIA.
(.079 ± .004)
5.00
(.197)
MM
(INCHES)
3318 - 6 mm Square Trimming Potentiometer
Product Dimensions
Standard Resistance Table
Model 3318B
0.8
(.032)
3.5
(.138)
6.5
(.256)
3.1
(.122)
DIA.
104
4.5
(.178)
Mounting
Surface
3.5
(.138)
3
1
0.9
(.035)
Resistance
(Ohms)
Resistance
Code
Resistance
(Ohms)
Resistance
Code
100
200
220
300
500
1000
2000
2200
3000
3300
4700
5000
101
201
221
301
501
102
202
222
302
332
472
502
10,000
20,000
22,000
30,000
47,000
50,000
100,000
200,000
220,000
470,000
500,000
100,000
103
203
223
303
473
503
104
204
224
474
504
105
2.9
(.114)
2
0.5 + 0.1/-0
(.020 + .004/-0)
0.75 + 0.1/-0
(.030 + .004/-0)
5.0 ± 0.5
(.197 ± .020)
3.5
(.138)
6.3
(.248)
1.5
(.060)
2.0
(.079)
4.8
(.189)
2.9 ± 0.3
(.114 ± .001)
4.5
(.177)
2.5 ± 0.5
(.098 ± .020)
2.3
(.091)
0.9 ± 0.1
(.035 ± .0004)
0.9 ± 0.1
(.035 ± .0004)
Recommended PCB Layout
2.5 ± .05
(.099 ± .002)
1.05 + 0.10/-0
DIA.
(.041 + .004/-0)
1.0 + 0.10/-0
(.040 + .004/-0)
DIA.
2 PLCS.
5.0 ± .05
(.197 ± .002)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIMENSIONS ARE:
MM
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3318 - 6 mm Square Trimming Potentiometer
Packaging Specifications
Ammo Pack Model 3318S
6.3
(.248)
Recommended PCB Layout
6.5
(.256)
1.5
(.059)
1.3 +.10/-0
(.051 +.004/-0)
DIA.
12.7 ± 1.0
(.500 ± .040)
2.5 ± .05
(.099 ± .002)
4.5
(.177)
3.5
(.138)
11.0
(.433)
0.8
(.031)
MOUNTING
SURFACE
4.5
(.177)
2.5 ± .04
(.098 ± .002)
5.0 ± .05
1.0 +.05/-0
(.040 +.002/-0) (.197 ± .002)
DIA. 2 PLCS.
2
4.8
(.189)
3.0
(.118)
0.9
(.035)
2.0
0.75 +0.1/-0
(.079)
(.030 +.004/-0)
3.85 ± .07
(.152 ± .003)
20.0 ± 0.5
(.787 ± .002)
19.5
(.768)
1
18.0 +1.0/-0.5
(.709 +040/-.020)
6.0 ± 0.5
(.236 ± .020)
0.7
(.028)
3
9.0 ± 0.5
(.354 ± .020)
5.0 ± 0.8
(.197 ± .003)
0.5 +0.1/-0
(.020 +.004/-0)
0.35
(.014)
4.0 ± 0.3
(.157 ± .012)
DIA.
6.35 ± 1.3
(.250 ± .051)
12.7 ± 0.3
(.500 ± .012)
Ammo Pack Model 3318G
3.35
(.123)
6.5
(.256)
Recommended PCB Layout
2
7.3
(.287)
0.8
(.003)
3.95
(.156)
1
4.8
(.189)
3.1
(.122)
DIA.
3
1.8
(.071)
9.2
(.362)
3.0 ± 0.4
(.118 ± .016)
1.3 +.10/-0
(.051 +.004/-0)
DIA.
12.7 ± 1.0
(.500 ± .040)
6.3
(.248)
1.0 +.10/-0
(.040 +.004/-0)
DIA. 2 PLCS.
0.5
(.020)
11.0
(.433)
4.3
(.169)
3.85 ± .07
(.152 ± .003)
20.0 ± 0.5
(.787 ± .002)
6.0 ± 0.5
(.236 ± .020)
0.7
(.028)
18.0 +1.0/-0.5
(.709 +.040/-.020)
MOUNTING
SURFACE
0.9
(.035)
9.0 ± 0.5
(.354 ± .020)
0.75 +0.1/-0
(.030 +.004/-0)
6.35 ± 1.3
(.250 ± .051)
5.0 ± 0.8
(.197 ± .003)
0.5 +0.1/-0
(.020 +.004/-0)
3.0 ± .05
(.118 ± .002)
0.35
(.014)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
12.7 ± 0.3
(.500 ± .012)
4.0 ± 0.3
(.157 ± .012)
DIA.
5.0 ± 0.5
(.197 ± .002)
3318 - 6 mm Square Trimming Potentiometer
Packaging Specifications
Ammo Pack Model 3318B
3.5
(.138)
Recommended PCB Layout
0.8
(.032)
6.3
(.248)
3.5
(.138)
1.5
(.060)
2.0
(.079)
2.5 ± 0.5
(.098 ± .020)
0.3
(.012)
3.1
(.122)
DIA.
104
4.8
(.189)
104
2.3
(.091)
2.8
(.110)
3.5
(.138)
1
0.9
(.035)
19.5
(.768)
104
1.3 +.10/-0
(.051 +.004/-0)
DIA.
11.0
(.433)
4.5
(.178)
4.5
(.177)
DIA. 2 PLCS.
1.0 +.01/-0
5.0 ± .05
(.040 +.004/-0) (.197 ± .002)
12.7 ± 1.0
(.500 ± .040)
6.5
(.256)
Mounting
Surface
2.5 ± .05
(.099 ± .002)
3
2
3.0
(.118)
3.85 ± .07
(.152 ± .003)
0.75 ± 0.2 2 PLCS.
(.030 ± .008)
20.0 ± 0.5
(.787 ± .002)
0.75 + 0.1/-0
(.030 + .004/-0)
18.0 +1.0/-0.5
(.709 +040/-.020)
6.7
(.264)
9.0 ± 0.5
(.354 ± .020)
0.5 + 0.1/-0
(.020 + .004/-0)
5.0 ± 0.8
(.197 ± .031)
4.0 ± 0.3
(.157 ± .012)
DIA.
0.35
(.014)
6.35 ± 1.3
(.250 ± .051)
12.7 ± 0.3
(.500 ± .012)
REV. 09/04
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.