RT26 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Square Trimpot Trimming Potentiometer

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Features
■ Multiturn / Wirewound / Industrial / Sealed
■ Listed on the QPL per MIL-PRF-27208
■ For trimmer applications/processing
guidelines, click here
RT26 - 1/4 ” Square Trimpot^® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
.....................................10 to 5K ohms
(see standard resistance table)
Resistance Tolerance .............. ±5 % std.
Absolute Minimum Resistance
.........................0.25 % 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....-55 °C to +150 °C
Temperature Coefficient ......±50 ppm/°C
Seal Test...................... 85 °C Fluorinert*
Humidity........ MIL-STD-202 Method 106
(1 % ΔTR, 10 Megohms IR)
Vibration ......................................... 20 G
(1 % ΔTR; 1% + resolution ΔVR)
Shock............................................ 100 G
(1 % ΔTR; 1 % + resolution ΔVR)
Load Life1,000 hours 0.25 watt @ 85 °C
(2 % ΔTR; 2 % + resolution ΔVR)
Rotational Life........................200 cycles
(2 % ΔTR)
Physical Characteristics
Torque............................. 3.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals ..... MIL-STD-202; Method 208
Weight ..................................... 0.015 oz.
Marking................. Mil-spec part number
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ............................ UL 94V-0
Standard Packaging ..... 50 pcs. per tube
Adjustment Tool .............................. H-90
Product Dimensions
RT26C2X
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.
RT26C2W
1.27
(.050)
ADJ. SLOT
1.78
(.070)
DIA.
X
.51
(.020)
WIDE
X
.51
(.020)
DEEP
6.35 ± .51
(.250 ± .020)
4.32 ± .38
(.170 ± .015)
123
1.27
(.050)
.89
(.035)
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
2 ^WIPER
CCW ₁
CLOCKWISE
3 CW
How To Order
MIL-PRF-27208
RT26 C2 X 101
Model
Characteristic
C = ±50 ppm/°C Temp. Coeff. Max.
2 = 85 °C Rating Temp.
150 °C Max. Operating Temp.
Terminal Style
Resistance Code
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
Resistance
Code
100
200
500
101
201
501
102
202
502
Nominal
Resolution
(Percent)
1.90
1.50
1.23
1.00
0.94
0.58
0.50
0.45
0.34
REV. 12/12
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
“Trimpot” is a registered trademark of Bourns, Inc.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.