1.52
(.060)
2.54
(.100)
1.52
(.060)
4.75
(.187)
5.59
(.220)
3
1
2
2
1
3
2
1
3
12.7
(.500)
TYP.
12.7
(.500)
TYP.
1.98
(.078)
DIA. THRU
(2 PLACES)
TYP.
13.21
(.520)
2.54
(.100)
2.54
(.100)
6.35
(.250)
6.35
(.250)
13.34 ± .64
(.525 ± .025)
.71 ± .08
(.028 ± .003)
DIA. TYP.
1.78
(.070)
TYP.
5.59
(.220)
2.54
(.100)
2.54
(.100)
2.79
(.110)
6.35
(.250)
6.35
(.250)
13.21
(.520)
2.36
(.093)
1.52
(.060)
.89
(.035)
TYP.
TYP.
12.70
(.500)
12.70
(.500)
152.4
(6.00)
LENGTH MIN.
2.54
(.100)
2.54
(.100)
1.78
(.070)
5.59
(.220)
ADJ. SLOT
2.03 ± .38
(.080 ± .015)
.64
(.025)
.50
(.020)
WIDE
X
X
DEEP
DIA.
Features
■ Multiturn / Cermet / Sealed
■ Listed on the QPL for style RJ22 per
MIL-R-22097
■ Panel mount option available
■ RoHS compliant* version available
■ For trimmer applications/processing
guidelines,
click here
3252 - 1/2 ” Square Trimpot
®
Trimming Potentiometer
*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.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Characteristics
Standard Resistance Range
................................10 to 2 megohms
(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
........................... 1 % or 2 ohms max.
(whichever is greater)
Adjustability
Voltage .................................. ±0.01 %
Resistance ............................ ±0.05 %
Resolution ................................... Infi nite
Insulation Resistance ...............500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level............................. 1,000 vac
80,000 Feet ............................ 400 vac
Effective Travel .................25 turns nom.
Environmental Characteristics
Power Rating @ 85 °C (400 volts max.)
.............................................0.75 watt
Power Rating @ 150 °C ................0 watt
Temperature Range ... -65 °C to +150 °C
Temperature Coeffi cient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert†
(pin styles only)
Humidity ......MIL-STD-202 Method 103;
96 hours (1 % ΔTR; 100 Megohms IR)
Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life ... 1,000 hours 0.75 watt @ 85 °C
..................(3 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Rotational Life .......................200 cycles
(2 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque ............................. 5.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals Solderable printed circuit pins
Flexible leads ......(7 strands of 30 AWG)
Weight ..................................... 0.065 oz.
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Machine Screw Mounting
Torque .............................. 12 oz-in. max.
Marking .........Manufacturer’s trademark,
resistance code, wiring diagram,
date code, manufacturer’s model
number and style
Standard Packaging
X, P&W Styles ...........25 pcs. per tube
L Style ........................25 pcs. per bag
Adjustment Tool ..............................H-90
Product Dimensions How To Order
3252 L - 1 - 103 M LF
Model
Style
Standard or Modifi ed
Product Indicator
-1 = Standard Product
Resistance Code
Optional Suffi x Letter
M = Panel Mount
(Factory Installed)
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
Standard Resistance Table
Resistance Resistance
(Ohms) Code
10 100
20 200
50 500
100 101
200 201
500 501
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
25,000 253
50,000 503
100,000 104
200,000 204
500,000 504
1,000,000 105
2,000,000 205
REV. 08/10
TOLERANCES: ±
0.25
EXCEPT WHERE NOTED
(.010)
DIMENSIONS:
MM
(INCHES)
Popular values listed in boldface. Special
resistances available.
3252P
Common Dimensions
(Pin Styles)
3252W
3252L
3252X
1
3
GREEN
CW
CLOCKWISE
YELLOW
CCW
2
WIPERRED
*RoHS COMPLIANT
VERSIONS
AVAILABLE
