3339

*R
oH
V SC
AV ER OM
AI SIO PL
LA N IA
BL S NT
E
Features
■ Four-Turn / Cermet / Industrial / Sealed
■ Unique planetary drive offers precise wiper
■ For trimmer applications/processing
guidelines, click here
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
................................. 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)
Contact Resistance Variation
........................... 3 % or 3 ohms max.
(whichever is greater)
Adjustability
Voltage .................................. ±0.05 %
Resistance .............................. ±0.1 %
Resolution ................................... Infinite
Insulation Resistance ............... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet ............................ 250 vac
Effective Travel ...................4 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
85 °C ...................................... 0.5 watt
150 °C ....................................... 0 watt
Temperature Range ... -55 °C to +150 °C
Temperature Coefficient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert†
Humidity .......MIL-STD-202 Method 103
96 hours
(3 % ΔTR, 10 Megohms IR)
Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life ..1,000 hours 0.5 watt @ 85 °C
(3 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Rotational Life .......................200 cycles
(3 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque................................ 3 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals .......................Solderable pins
Weight ....................................... 0.02 oz.
Marking........................... Manufacturer’s
trademark, resistance code,
wiring diagram, date
code, manufacturer’s
model number and style
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ...........................U.L.94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool..............................H-90
REV. 11/15
Product Dimensions
2
3339H
Common Dimensions
(Top Adjust)
4.78 MIN.
(.188)
6.35
(.250)
ADJ. CROSS SLOT
2.54
LONG X
(.100)
.64
WIDE X (2 PLACES)
(.025)
.76
DEEP X
(.030)
.38
90° ± 1° (.015)
REF.
2.54 ± .025
(.10 ± .01) 1
3
CCW
WIPER
3
1
CW
CLOCKWISE
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
How To Order
3339 H - 1 - 103 LF
.51
(.020)
Model
2
7.62 DIA. .43 ± .05
(.300)
(.017 ± .002)
DIA.
3339P
2.54
(.100)
2.54
(.100)
6.35
(.250)
.51
(.020)
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
2.54
(.100)
1
7.62
DIA.
(.300)
Style
2.54 ± .025
(.10 ± .01)
3
2
Consult factory for other available options.
Standard Resistance Table
3339S
Common Dimensions (Side Adjust)
8.00 ± .38
(.315 ± .015)
7.62
(.300)
DIA.
5.97
(.235)
MIN.
4.75
(.187)
9.53 ± .38
(.375 ± .015)
.64
(.025)
5.54 ± .38
(.218 ± .015)
.38
2
(.015) MIN.
8.13 ± .38
(.320 ± .015)
1
3
2.54
(.100)
5.08
(.200)
3339W
8.00 ± .38
(.315 ± .015)
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
.43 ± .05
(.017 ± .002)
DIA.
4.57
(.180)
2.54
(.100)
5.97
(.235)
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
Popular distribution resistance values listed in
boldface. Special resistances available.
9.53 ± .38
(.375 ± .015)
.64
(.025)
8.13 ± .38
(.320 ± .015)
5.54 ± .38
(.218 ± .015)
.38
(.015) MIN. 2
1
2.54
(.100)
5.08
(.200)
3
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
4.57
(.180)
2.54
(.100)
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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