3290P-1-253 Bourns Inc., 3290P-1-253 Datasheet
3290P-1-253
Manufacturer Part Number
3290P-1-253
Description
Trimmer Resistors - Multi Turn 3/8 25Kohms Sealed Horizontal Adjust 5%
Manufacturer
Bourns Inc.
Type
Trimmerr
Datasheet
1.3290P-1-253.pdf
(1 pages)
Specifications of 3290P-1-253
Resistance
25kohm
Power Rating
1W
Tolerance (+ Or -)
5%
Number Of Turns
25Turn
Technology
Wirewound
Mounting Style
Through Hole
Termination Style
Pin
Operating Temp Range
-65C to 150C
Failure Rate
Not Required
Shaft Diameter (mm)
1.52mm
Product Diameter (mm)
Not Requiredmm
Product Length (mm)
9.53mm
Product Height (mm)
3.81mm
Product Depth (mm)
10.55mm
Temperature Coefficient
±50
Tolerance
5 %
Operating Temperature Range
- 65 C to + 150 C
Element Type
Wire Wound
Product
Trimmers
Taper
Linear
Lead Free Status / RoHS Status
Compliant
Electrical Characteristics
Standard Resistance Range
Resistance Tolerance ............. ±5 % std.
Absolute Minimum Resistance
Noise .....................100 ohms ENR max.
Resolution
Insulation Resistance ............... 500 vdc.
Dielectric Strength
Adjustment Travel .............25 turns nom.
Environmental Characteristics
Power Rating @ 85 °C ............... 1.0 watt
Power Rating @ 150 °C ................ 0 watt
Temperature Range ... -65 °C to +150 °C
Temperature Coeffi cient ..... ±50 ppm/°C
Seal Test ......................85 °C Fluorinert†
Humidity .......MIL-STD-202 Method 106
Vibration ......................................... 30 G
Shock ........................................... 100 G
Load Life ..1,000 hours 1.0 watt @ 85 °C
Rotational Life .......................200 cycles
Physical Characteristics
Torque ............................. 5.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals Solderable printed circuit pins
Weight ..................................... 0.025 oz.
Marking .........Manufacturer’s trademark,
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
REV. 08/10
*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
Sea Level............................. 1,000 vac
80,000 Feet ............................ 350 vac
96 hours (2 % ΔTR; 100 Megohms IR)
.................................. 10 to 50K ohms
.......................... 0.1 % or 1 ohm max.
...........(see standard resistance table)
(1 % ΔTR; 0.5 % + resolution ΔVR)
(1 % ΔTR; 0.5 % + resolution ΔVR)
date code, manufacturer’s model
resistance code, wiring diagram,
(see standard resistance table)
(tighter tolerance available)
(2 % ΔTR; 500 ohms ENR)
(2 % ΔTR; 500 ohms ENR)
(whichever is greater)
1,000 megohms min.
number and style
Features
■
■
■
■
3290H
Common Dimensions
X
X
3290P
3290W
TOLERANCES: ±
3290 - 3/8 ” Square Trimpot
(.150)
(.075)
3.81
1.19
ADJ. SLOT
(.060)
(.020)
(.025)
(.100)
1.52
3
Product Dimensions
.51
.64
2.54
Multiturn/ Wirewound / Industrial / Sealed
Listed on the QPL
MIL-R-27208 and
High-Rel MIL-R-39015
Panel mount option available
RoHS compliant*
2
1
CCW
(.187)
4.75
WIDE
DIA.
DEEP
1
(.100)
2.54
DIMENSIONS:
(.100)
2.54
(.075)
1.91
(.315 ±.015)
CLOCKWISE
1.27**
8.00 ±.38
(.050)
1.52**
TYP.**
(.060)
(.010)
0.25
(.100)
2.54
(.187)
4.75
(.100)
(.100)
2.54
2.54
2
for style
RTR24
(.187)
4.75
(INCHES)
WIPER
**Common dimensions
EXCEPT WHERE NOTED
MM
3 2 1
1
2
3
(.040)
per
1.02
RT24
(.020 ±.001)
DIA. TYP.**
3
(.375 ±.015)
9.53 ±.38**
.51 ±.03
(.100)
(.375 ±.015)
9.53 ±.38**
2.54
per
CW
®
■
Trimming Potentiometer
Model
Style
Standard or Modifi ed
Product Indicator
Resistance Code
Optional Suffi x Letter
Consult factory for other available options.
Popular values listed in boldface. Special
resistances available.
How To Order
For trimmer applications/processing
guidelines,
Resistance
-1 = Standard Product
M = Panel Mount
Standard Resistance Table
(Ohms)
10,000
20,000
25,000
50,000
1,000
2,000
5,000
100
200
500
10
20
50
(Factory Installed)
click here
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
3290 H - 1 - 103 M
Resolution
(Percent)
Nominal
1.11
0.93
0.62
0.60
0.54
0.42
0.33
0.26
0.20
0.17
0.14
0.13
0.11
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