RT26

AV
DI TH AIL
ST R O A B
RI UG LE
BU H
TI
ON
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
How To Order
RT26C2X
Common Dimensions
RT26 C2 X 101
MIL-PRF-27208
Model
6.35 ± .51
(.250 ± .020)
Characteristic
C = ±50 ppm/°C Temp. Coeff. Max.
.89
(.035)
2 = 85 °C Rating Temp.
150 °C Max. Operating Temp.
1 2 3
6.35 ± .51
(.250 ± .020)
Terminal Style
4.78 ± .38
(.188 ± .015)
.76
(.030)
2.54
(.100)
Resistance Code
Standard Resistance Table
2.54
(.100)
1.02 ± .38
(.040 ± .015)
2.54
(.100)
4.32 ± .38
(.170 ± .015)
1.27
(.050)
1.27
(.050)
ADJ. SLOT
1.78 DIA.
(.070)
.51
WIDE
X
(.020)
.51
DEEP
X
(.020)
.41 ± .03
DIA.
(.016 ± .001)
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
RT26C2W
1.27
(.050)
1 2 3
6.35 ± .51
(.250 ± .020)
4.32 ± .38
(.170 ± .015)
1.27
(.050)
.89
(.035)
MM
(INCHES)
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
EXCEPT WHERE NOTED
2
CCW
WIPER
3
1
CW
CLOCKWISE
REV. 04/14
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Nominal
Resolution
(Percent)
1.90
1.50
1.23
1.00
0.94
0.58
0.50
0.45
0.34