Features
■ For trimmer applications/processing
guidelines, click here
■ 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 Trimpot® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
Product Dimensions
WIPER
2
3339H
Common Dimensions
(Top Adjust)
CW
................................. 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)
CCW
3
1
ADJ. CROSS SLOT
2.54
(.100)
.64
(.025)
.76
CLOCKWISE
LONG X
WIDE X
DEEP X
(2 PLACES)
MM
(INCHES)
DIMENSIONS:
0.25
(.030)
4.78
MIN.
TOLERANCES:
EXCEPT WHERE NOTED
.38
(.015)
(.188)
6.35
(.250)
(.010)
90° 1°
REF.
Contact Resistance Variation
........................... 3 ꢀ or 3 ohms max.
(whichever is greater)
2.54 .025
(.10 .01)
How To Order
1
3
3339 H - 1 - 103 LF
Adjustability
.51
(.020)
Model
Style
Voltage .................................. 0.0ꢁ ꢀ
Resistance .............................. 0.1 ꢀ
Resolution ................................... Infinite
Insulation Resistance ...............ꢁ00 vdc.
1,000 megohms min.
2
7.62
(.300)
.43 .05
(.017 .002)
DIA.
DIA.
2.54 .025
(.10 .01)
Standard or Modified
Product Indicator
-1 = Standard Product
3339P
2.54
Dielectric Strength
Resistance Code
(.100)
2.54
(.100)
Sea Level................................ 600 vac
80,000 Feet............................ 2ꢁ0 vac
Effective Travel ...................4 turns nom.
6.35
(.250)
Terminations
2.54
(.100)
LF = 100 ꢀ Tin-plated (RoHS compliant)
Blank = 90 ꢀ Tin / 10 ꢀ Lead-plated
(Standard)
1
Environmental Characteristics
Power Rating (300 volts max.)
.51
3
Consult factory for other available options.
2
(.020)
7.62
(.300)
DIA.
8ꢁ °C......................................0.ꢁ watt
1ꢁ0 °C.......................................0 watt
Temperature Range...-ꢁꢁ °C to +1ꢁ0 °C
Temperature Coefficient ... 100 ppm/°C
Seal Test......................8ꢁ °C Fluorinert†
Humidity .......MIL-STD-202 Method 103
96 hours
Standard Resistance Table
3339S
Common Dimensions (Side Adjust)
Resistance
(Ohms)
10
Resistance
Code
100
8.00 .38
7.62
5.97
(.235)
(.315 .015)
(.300)
20
ꢁ0
200
ꢁ00
DIA.
9.53 .38
(375 .015)
(3 ꢀ ΔTR, 10 Megohms IR)
100
101
200
201
Vibration ....... 30 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
Shock ......... 100 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
Load Life ..1,000 hours 0.ꢁ watt @ 8ꢁ °C
(3 ꢀ ΔTR; 3 ꢀ or 3 ohms,
500
501
5.54 .38
1,000
102
(.218 .015)
.64
(.025)
2,000
202
.38
.43 .05
(.017 .002)
DIA.
MIN.
2
(.015)
5,000
502
10,000
20,000
25,000
50,000
100,000
200,000
2ꢁ0,000
ꢁ00,000
1,000,000
103
whichever is greater, CRV)
1
203
4.57
(.180)
8.13 .38
Rotational Life .......................200 cycles
(3 ꢀ ΔTR; 3 ꢀ or 3 ohms,
253
(.320 .015)
503
3
2.54
(.100)
2.54
(.100)
104
whichever is greater, CRV)
204
5.08
(.200)
2ꢁ4
Physical Characteristics
ꢁ04
Torque................................3 oz-in. max.
Mechanical Stops.................Wiper idles
Terminals .......................Solderable pins
Weight .......................................0.02 oz.
Marking...........................Manufacturer’s
trademark, resistance code,
10ꢁ
3339W
8.00 .38
5.97
(.235)
(.315 .015)
Popular distribution resistance values listed in
boldface. Special resistances available.
9.53 .38
(375 .015)
5.54 .38
wiring diagram, date
(.218 .015)
.64
(.025)
.38
code, manufacturer’s
MIN.
(.015)
2
model number and style
Wiper ...............ꢁ0 ꢀ (Actual TR) 10 ꢀ
Flammability ...........................U.L.94V-0
Standard Packaging.....ꢁ0 pcs. per tube
Adjustment Tool..............................H-90
8.13 .38
(.320 .015)
4.57
(.180)
1
2.54
(.100)
5.08
2.54
(.100)
3
REV. 07/11
(.200)
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
“Trimpot” is a registered trademark of Bourns, Inc.
†“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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