Features
■ Four-Turn / Cermet / Industrial / Sealed
■ Unique planetary drive offers precise
wiper setting of a multiturn in a
single-turn package size
■ Top and side adjust styles
■ RoHS compliant* version available
3339 - 5/16 ” Round Trimming Potentiometer
Electrical Characteristics
3339H
Common Dimensions
(Top Adjust)
WIPER
2
ADJ. CROSS SLOT
Standard Resistance Range
2.54
(.100)
...................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance ............ 10 ꢀ std.
(tighter tolerance available)
Absolute Minimum Resistance
.............................1 ꢀ or 2 ohms max.
(whichever is greater)
LONG X
CW
CCW
3
1
.64
(.025)
.76
WIDE X
DEEP X
(2 PLACES)
CLOCKWISE
(.030)
4.78
MIN.
TOLERANCES: 0.25 (.010) EXCEPT WHERE NOTED
.38
(.188)
6.35
90° ± 1°
REF.
(.015)
MM
DIMENSIONS ARE:
2.54 ± .025
(.10 ± .01)
(.250)
(INCHES)
1
3
Contact Resistance Variation
.............................3 ꢀ or 3 ohms max.
(whichever is greater)
Adjustability
Voltage.................................... 0.0ꢁ ꢀ
Resistance ................................ 0.1 ꢀ
Resolution.....................................Infinite
Insulation Resistance ................ꢁ00 vdc.
1,000 megohms min.
.51
(.020)
2
How To Order
7.62
(.300)
.43 ± .05
(.017 ± .002)
DIA.
DIA.
2.54 ± .025
(.10 ± .01)
3339 H - 1 - 103 LF
Model
Style
3339P
2.54
(.100)
2.54
(.100)
Standard or Modified
Product Indicator
6.35
(.250)
Dielectric Strength
2.54
(.100)
-1 = Standard Product
Sea Level .................................600 vac
80,000 Feet..............................2ꢁ0 vac
Effective Travel....................4 turns nom.
1
Resistance Code
Terminations
.51
(.020)
3
2
LF = 100 ꢀ Tin-plated (RoHS compliant)
Blank = 90 ꢀ Tin ꢂ 10 ꢀ Lead-plated
(Standard)
Environmental Characteristics
7.62
(.300)
DIA.
Power Rating (300 volts max.)
8ꢁ °C........................................0.ꢁ watt
1ꢁ0 °C.........................................0 watt
Temperature Range
.................................-ꢁꢁ °C to +1ꢁ0 °C
Temperature Coefficient
........................................ 100 ppmꢂ°C
Seal Test........................8ꢁ °C Fluorinert†
Humidity........MIL-STD-202 Method 103
96 hours
Consult factory for other available options.
3339S
Common Dimensions (Side Adjust)
8.00 ± .38
(.315 ± .015)
7.62
(.300)
DIA.
5.97
(.235)
Standard Resistance Table
9.53 ± .38
(375 ± .015)
Resistance
(Ohms)
10
20
ꢁ0
Resistance
Code
5.54 ± .38
(.218 ± .015)
100
200
ꢁ00
.64
(.025)
.38
.43 ± .05
(.017 ± .002)
DIA.
MIN.
(3 ꢀ ∆TR, 10 Megohms IR)
2
(.015)
100
101
201
501
102
202
502
103
203
253
503
104
Vibration.........30 G (1 ꢀ ∆TR; 1 ꢀ ∆VR)
Shock...........100 G (1 ꢀ ∆TR; 1 ꢀ ∆VR)
Load Life
..............1,000 hours 0.ꢁ watt @ 8ꢁ °C
(3 ꢀ ∆TR; 3 ꢀ or 3 ohms,
whichever is greater, CRV)
Rotational Life........................200 cycles
(3 ꢀ ∆TR; 3 ꢀ or 3 ohms,
200
1
500
4.57
(.180)
8.13 ± .38
(.320 ± .015)
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
3
2.54
(.100)
2.54
(.100)
5.08
(.200)
3339W
8.00 ± .38
(.315 ± .015)
5.97
(.235)
200,000
2ꢁ0,000
ꢁ00,000
1,000,000
204
2ꢁ4
ꢁ04
10ꢁ
whichever is greater, CRV)
9.53 ± .38
(375 ± .015)
Physical Characteristics
Torque ................................3 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals........................Solderable pins
Weight ........................................0.02 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
Popular distribution resistance values listed in
boldface. Special resistances available.
5.54 ± .38
(.218 ± .015)
.64
(.025)
.38
MIN.
(.015)
2
8.13 ± .38
(.320 ± .015)
4.57
(.180)
1
wiring diagram, date
code, manufacturer’s
model number and style
2.54
(.100)
5.08
2.54
(.100)
3
(.200)
Wiper................ꢁ0 ꢀ (Actual TR) 10 ꢀ
Flammability............................U.L.94V-0
Standard Packaging .....ꢁ0 pcs. per tube
Adjustment Tool ..............................H-90
REV. 02/06
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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