3252P-1-253 Bourns Inc., 3252P-1-253 Datasheet
![TRIMPOT 25K OHM 1/2" SQ CER MT](/photos/8/49/84998/3252p_series_sml.jpg)
3252P-1-253
Manufacturer Part Number
3252P-1-253
Description
TRIMPOT 25K OHM 1/2" SQ CER MT
Manufacturer
Bourns Inc.
Series
3252 - Sealedr
Type
Trimmerr
Datasheet
1.Q23582.pdf
(1 pages)
Specifications of 3252P-1-253
Number Of Turns
25
Termination Style
PC Pin
Temperature Coefficient
±100ppm/°C
Resistance (ohms)
25K
Power (watts)
0.75W, 3/4W
Tolerance
±10%
Adjustment Type
Side Adjustment
Resistive Material
Cermet
Mounting Type
Chassis Mount
Package / Case
Square - 0.500" L x 0.500" W x 0.220" H (12.70mm x 12.70mm x 5.59mm)
Resistance
25kohm
Power Rating
3/4W
Tolerance (+ Or -)
10%
Technology
Cermet
Mounting Style
Through Hole
Operating Temp Range
-65C to 150C
Failure Rate
Not Required
Shaft Diameter (mm)
2.03mm
Product Diameter (mm)
Not Requiredmm
Product Length (mm)
12.7mm
Product Height (mm)
5.59mm
Product Depth (mm)
13.59mm
Operating Temperature Range
- 65 C to + 150 C
Element Type
Cermet
Product
Trimmers
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Not Compliant, Contains lead / RoHS non-compliant
Electrical Characteristics
Standard Resistance Range
Resistance Tolerance ........... ±10 % std.
Absolute Minimum Resistance
Contact Resistance Variation
Adjustability
Resolution ................................... Infi nite
Insulation Resistance ............... 500 vdc.
Dielectric Strength
Effective Travel .................25 turns nom.
Environmental Characteristics
Power Rating @ 85 °C (400 volts max.)
Power Rating @ 150 °C ................ 0 watt
Temperature Range ... -65 °C to +150 °C
Temperature Coeffi cient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert†
Humidity ......MIL-STD-202 Method 103;
Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life ... 1,000 hours 0.75 watt @ 85 °C
Rotational Life .......................200 cycles
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,
Standard Packaging
Adjustment Tool ..............................H-90
*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.
Voltage .................................. ±0.01 %
Resistance ............................ ±0.05 %
Sea Level............................. 1,000 vac
80,000 Feet ............................ 400 vac
X, P&W Styles ...........25 pcs. per tube
L Style ........................25 pcs. per bag
96 hours (1 % ΔTR; 100 Megohms IR)
................................10 to 2 megohms
........................... 1 % or 2 ohms max.
........................... 1 % or 2 ohms max.
............................................. 0.75 watt
..................(3 % ΔTR; 3 % or 3 ohms,
date code, manufacturer’s model
resistance code, wiring diagram,
(see standard resistance table)
(tighter tolerance available)
whichever is greater, CRV)
(2 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
(whichever is greater)
(whichever is greater)
1,000 megohms min.
number and style
(pin styles only)
(.078)
1.98
Features
■
■
■
■
■
3252P
Common Dimensions
(Pin Styles)
3252W
3252L
3252X
TOLERANCES: ±
3252 - 1/2 ” Square Trimpot
(.070)
(.525 ± .025)
(.220)
13.21
(.520)
(.060)
13.34 ± .64
1.78
5.59
1.52
Product Dimensions
Multiturn / Cermet / Sealed
Listed on the QPL
MIL-R-22097
Panel mount option available
RoHS compliant* version available
For trimmer applications/processing
guidelines,
(.060)
DIA. THRU
(2 PLACES)
1.52
TYP.
(.220)
(.187)
5.59
4.75
(.520)
13.21
DIMENSIONS:
(.060)
1.52
TYP.
(.500)
12.70
click here
(.028 ± .003) DIA. TYP.
2
(.010)
0.25
.71 ± .08
1 3
(.100)
2.54
for style
(.100)
LENGTH
2.54
2
12.70
(.500)
2
(INCHES)
1 3
(.100)
EXCEPT WHERE NOTED
2.54
MM
(.220)
(.250)
5.59
1
6.35
(.500)
(.500)
12.7
12.7
(6.00)
152.4
3
(.250)
RJ22
6.35
(.070)
(.250)
1.78
(.110)
(.100)
X
X
2.79
6.35
TYP.
2.54
TYP.
ADJ. SLOT
(.080 ± .015)
(.025)
(.020)
(.100)
2.54
2.03 ± .38
.64
.50
(.035)
MIN.
.89
per
(.100)
2.54
(.093)
2.36
WIDE
DEEP
(.250)
TYP.
6.35
(.100)
2.54
TYP.
DIA.
®
Trimming Potentiometer
Model
Style
Standard or Modifi ed
Product Indicator
Resistance Code
Optional Suffi x Letter
Terminations
Consult factory for other available options.
Popular values listed in boldface. Special
resistances available.
How To Order
YELLOW
CCW
-1 = Standard Product
M = Panel Mount
LF =
Blank = 90 % Tin / 10 % Lead-plated
Standard Resistance Table
Resistance
(Factory Installed)
1,000,000
2,000,000
100,000
200,000
500,000
(Ohms)
10,000
20,000
25,000
50,000
1,000
2,000
5,000
100 % Tin-plated (RoHS compliant)
(Standard)
100
200
500
1
10
20
50
CLOCKWISE
3252 L - 1 - 103 M LF
RED
2
WIPER
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
504
105
205
3
REV. 08/10
GREEN
CW