*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
■
■
■
Single-Turn / Cermet / Industrial /
Open Frame
Stable cermet element offers infinite
resolution
Very low profile
Seven standard pin styles
■
Thumb and screwdriver adjustment
■
RoHS compliant* version available
3352 - 3/8 ” Round Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance ............±20 % std.
(tighter tolerance available)
Absolute Minimum Resistance
.........................................2 ohms max.
Contact Resistance Variation
............................1.0 % or 1 ohm max.
(whichever is greater)
Adjustability
Voltage ....................................±0.05 %
Resistance ..............................±0.25 %
Resolution.....................................Infinite
Dielectric Strength
Sea Level .................................500 vac
80,000 Feet ..............................350 vac
Adjustment Angle ..................205 ° nom.
Environmental Characteristics
Power Rating (250 volts max.)
85 °C......................................0.50 watt
125 °C.........................................0 watt
Temperature Range
.................................-55 °C to +125 °C
Temperature Coefficient
±100 ppm/ºC ...........................2K & up
±150 ppm/ºC.........................Below 2K
Humidity........MIL-STD-202 Method 103
96 hours
(2 %
∆TR,
10 Megohms IR)
Vibration.........30 G (2 %
∆TR;
2 %
∆VR)
Shock...........100 G (2 %
∆TR;
2 %
∆VR)
Load Life ..1,000 hours 0.5 watt @ 85 °C
(3 %
∆TR)
Rotational Life ........................200 cycles
(10 %
∆TR)
Physical Characteristics
Mechanical Angle ..................250 ° nom.
Torque .............................3.0 oz-in. max.
Stop Strength .....................8 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.01 oz.
Marking ...........................Manufacturer’s
trademark, resistance value
and model number.
Date code on packaging.
Wiper................50 % (Actual TR) ±10 %
Standard Packaging
..................................100 pcs. per bag
Adjustment Tool ..............................H-90
3352
ADJUSTMENT SLOT
4.06 LONG
(.160)
X .86 WIDE
(.034)
X .84 DEEP TYP.
(.033)
8.89
(.350)
5.08
TYP. .64 TYP.
(.200)
(.025)
3
9.53
±
.38
(.375
±
.015)
7.62 TYP.
(.300)
4.75
TYP.
(.187)
1.27
TYP.
(.050)
7.62
MAX.
(.300)
1
.51
±
.05
(.020
±
.002)
DIA. PINS TYP.
9.14 MAX.
(.360)
3352H
Side Adjust
2.54 TYP.
(.100)
2.54 TYP.
(.100)
4.75
MIN. TYP.
(.187)
2.54 TYP.
(.100)
2.54 TYP.
(.100)
3.81
±
.51
(.150
±
020)
TYP.
7.62
MAX.
(.300)
3352K
2
3352V
4.37 TYP.
(.172)
3.96
(.156)
3352E
Top Adjust
3352W
10.16
(.400)
2.54 TYP.
(.100)
5.33 MAX.
(.210)
2.54
TYP.
(.100)
5.08
MAX.
(.200)
3352P
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
2.54
(.100)
DIMENSIONS ARE:
MM
(INCHES)
2.54 TYP.
(.100)
5.33 MAX.
(.210)
Standard Resistance Table
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
2,000,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
3352T
2.21
±
.38
(.087
±
.015)
2.54 TYP.
(.100)
2
CCW
WIPER
1
CLOCKWISE
3
CW
How To Order
3352 W - 1 - 103 LF
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
Popular values listed in boldface. Special
resistances available.
REV. 09/04
*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.
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