Features
nꢀ Multiturnꢀ/ꢀCermetꢀ/ꢀSealed
nꢀ ListedꢀonꢀtheꢀQPLꢀforꢀstyleꢀRJ22ꢀperꢀꢀ
ꢀ
MIL-R-22097
nꢀ Panelꢀmountꢀoptionꢀavailable
nꢀ RoHSꢀcompliant*ꢀversionꢀavailable
nꢀ Forꢀtrimmerꢀapplications/processingꢀꢀ
ꢀ
guidelines,ꢀclickꢀhere
ꢀ
3252ꢀ-ꢀ1/2ꢀ˝ꢀSquareꢀTrimpot®ꢀTrimmingꢀPotentiometer
Electrical Characteristics
Product Dimensions
How To Order
Standard Resistance Range
3252P
Common Dimensions
(Pin Styles)
3252 L - 1 - 103 M LF
12.7
(.500)ꢀ
TYP.
................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance ...........±10 % std.
(tighter tolerance available)
Model
Style
ADJ.ꢀSLOT
ꢀꢀ2.03ꢀ ꢀ.38
(.080ꢀ ꢀ.015)
DIA.
Standard or Modified
Product Indicator
-1 = Standard Product
Absolute Minimum Resistance
........................... 1 % or 2 ohms max.
(whichever is greater)
ꢀꢀ.64
13.21
TYP.
WIDE
(.025)
X
(.520)
ꢀꢀ.50
DEEP
(.020)ꢀ
X
Resistance Code
ꢀ1.98
DIA.ꢀTHRU
Contact Resistance Variation
(.078)
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(2ꢀPLACES)
12.7
(.500)ꢀ
TYP.
........................... 1 % or 2 ohms max.
(whichever is greater)
Optional Suffix Letter
M = Panel Mount
(Factory Installed)
1.78
(.070)
5.59
(.220)
TYP.
2.54
(.100)
.71ꢀ ꢀ.08
(.028ꢀ ꢀ.003)
Adjustability
DIA.ꢀTYP.
1
2.54
(.100)
3
Voltage .................................. ±0.01 %
Resistance ............................ ±0.05 %
Resolution ................................... Infinite
Insulation Resistance ...............500 vdc.
1,000 megohms min.
Terminations
LF =
100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
1.52
(.060)
2
Consult factory for other available options.
Dielectric Strength
2.54
(.100)
6.35
(.250)
Sea Level............................. 1,000 vac
80,000 Feet............................ 400 vac
Effective Travel .................25 turns nom.
6.35
(.250)
13.34ꢀ ꢀ.64
(.525ꢀ ꢀ.025)
Standard Resistance Table
Resistance
(Ohms)
10
Resistance
Code
100
2.79
(.110)
2.54
(.100)
2.54
(.100)
3252W
Environmental Characteristics
5.59
(.220)
20
200
Power Rating @ 85 °C (400 volts max.)
.............................................0.75 watt
Power Rating @ 150 °C................0 watt
Temperature Range...-65 °C to +150 °C
Temperature Coefficient ... ±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)
3
50
500
1
2
100
101
200
201
500
501
1,000
102
2,000
202
6.35
5,000
502
(.250)
10,000
20,000
25,000
50,000
100,000
200,000
500,000
1,000,000
2,000,000
103
203
3252L
253
503
ꢀ2.36
(.093)ꢀ
104
TYP.
13.21
(.520)
204
504
1.52
(.060)
105
205
12.70
(.500)
.89
(.035)
TYP.
Rotational Life .......................200 cycles
(2 % ΔTR; 3 % or 3 ohms,
Popular values listed in boldface. Special
resistances available.
ꢀ152.4
ꢀ(6.00)
LENGTH
ꢀMIN.
4.75
(.187)
whichever is greater, CRV)
Physical Characteristics
RED
WIPER
2
12.70
(.500)
1.52
(.060)
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
GREEN
CW
YELLOW
CCW
3
1
CLOCKWISE
3252X
2.54
(.100)
5.59
(.220)
ꢀ
MM
(INCHES)
DIMENSIONS:
1.78
(.070)
ꢀ
3
2.54
(.100)
1
2
ꢀ
0.25ꢀ ꢀꢀꢀꢀꢀꢀ
(.010)
TOLERANCES:ꢀ
ꢀ
EXCEPTꢀWHEREꢀNOTED
Torque..............................12 oz-in. max.
Marking.........Manufacturer’s trademark,
resistance code, wiring diagram,
date code, manufacturer’s model
number and style
6.35
(.250)
Standard Packaging
X, P&W Styles ...........25 pcs. per tube
L Style ........................25 pcs. per bag
Adjustment Tool..............................H-90
REV.ꢀ08/19
*ꢀ RoHSꢀDirectiveꢀ2015/863,ꢀMar.ꢀ31,ꢀ2015ꢀandꢀAnnexꢀ
“Trimpot”ꢀisꢀaꢀtrademarkꢀofꢀBourns,ꢀInc.
†“Fluorinert”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀ3MꢀCo.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀUsersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀ
applications.ꢀTheꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀ
lastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
WARNINGꢀꢀCancerꢀandꢀ
ReproductiveꢀHarm
www.P65Warnings.ca.gov