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3260 Datasheet, PDF (1/1 Pages) Allegro MicroSystems – 2-WIRE, CHOPPER-STABILIZED, PRECISION HALL-EFFECT BIPOLAR SWITCH | |||
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*RoHS COMPLIANT
Features
â Multiturn / Wirewound / Industrial / Sealed
â Listed on the QPL for style RT26 per
MIL-R-27208
â RoHS compliant*
â For trimmer applications/processing
guidelines, click here
3260 - 1/4 â Square Trimpot® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
.................................. 10 to 25K ohms
(see standard resistance table)
Resistance Tolerance ............. ±5 % std.
(tighter tolerance available)
Absolute Minimum Resistance
.......................... 0.1 % or 1 ohm max.
(whichever is greater)
Noise .....................100 ohms ENR max.
Resolution ............. See resistance table
Insulation Resistance ............... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet ............................ 250 vac
Adjustment Angle .............11 turns nom.
Environmental Characteristics
Power Rating
85 °C .................................... 0.25 watt
150 °C ....................................... 0 watt
Temperature Range ... -65 °C to +150 °C
Temperature Coefï¬cient ..... ±70 ppm/°C
Seal Test ......................85 °C Fluorinertâ
Humidity .......MIL-STD-202 Method 106
(2 % ÎTR, 100 Megohms IR)
Vibration ................. 30 G (1 % ÎTR; 1%
+ resolution ÎVR)
Shock ........................................... 100 G
(1 % ÎTR; 1 % + resolution ÎVR)
Load Life1,000 hours 0.25 watt @ 85 °C
(2 % ÎTR; 500 ohms ENR)
Rotational Life .......................200 cycles
(2 % ÎTR; 500 ohms ENR)
Physical Characteristics
Torque............................. 3.0 oz-in. max.
Mechanical Stops................. Wiper idles
Terminals Solderable printed circuit pins
Weight ..................................... 0.015 oz.
Marking.........Manufacturerâs trademark,
resistance code, wiring diagram,
date code, manufacturerâs model
number and style
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ............................UL 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool..............................H-90
Product Dimensions
3260H
Common Dimensions
6.35 ± .51
(.250 ± .020)
.89
(.035)
6.35 ± .51
(.250 ± .020)
2.54
(.100)
1.02 ± .38
(.040 ± .015)
4.32 ± .38
(.170 ± .015)
123
4.78 ± .38
(.188 ± .015)
.76
(.030)
2.54
(.100)
2.54
(.100)
1.27
(.050)
1.27
(.050)
.41 ± .03
(.016 ± .001)
DIA.
3260W
1.27
(.050)
ADJ. SLOT
1.78 DIA.
(.070)
X
.51
(.020)
WIDE
X
.51
(.020)
DEEP
6.35 ± .51
(.250 ± .020)
4.32 ± .38
(.170 ± .015)
123
1.27
(.050)
.89
(.035)
2 WIPER
CCW 1
CLOCKWISE
3 CW
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
How To Order
3260 H - 1 - 502
Model
Style
Standard or Modiï¬ed
Product Indicator
-1 = Standard Product
Resistance Code
Consult factory for other available options.
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
Nominal
Resolution
(Percent)
1.90
1.50
1.23
1.00
0.94
0.58
0.50
0.45
0.34
0.29
0.28
0.23
Popular values listed in boldface. Special
resistances available.
REV. 08/10
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
âTrimpotâ is a registered trademark of Bourns, Inc.
â âFluorinertâ is a registered trademark of 3M Co.
Speciï¬cations are subject to change without notice.
Customers should verify actual device performance in their speciï¬c applications.
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