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RT12 Datasheet, PDF (1/1 Pages) Vishay Siliconix – Wirewound Rheostat/Potentiometer | |||
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Features
â 1-1/4 â Rectangular / Multiturn
Wirewound / Industrial / Sealed
â Panel mount option available
â Listed on the QPL per MIL-PRF-27208
â For trimmer applications/processing
guidelines, click here
RT12 - Trimpot® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
...................................10 to 20K ohms
(see standard resistance table)
Resistance Tolerance .............. ±5 % std.
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 ............................ 1,500 vac
70,000 Feet ............................ 400 vac
Adjustment Travel.............22 turns nom.
Environmental Characteristics
Power Rating @ 70 °C ................. 1 watt
Power Rating @ 150 °C ............... 0 watt
Temperature Range....-55 °C to +150 °C
Temperature Coefï¬cient ......±50 ppm/°C
Seal Test...................... 85 °C Fluorinert*
(pin styles only)
Humidity........ MIL-STD-202 Method 106
96 hours
2 % ÎTR, 100 Megohms IR)
Vibration ............. 30 G (1 % ÎTR; 0.5 %
+ resolution DVR)
Shock................ 100 G (1 % ÎTR; 0.5 %
+ resolution ÎVR)
Load Life....1,000 hours 1 watt @ 70 °C
(2 % ÎTR)
Rotational Life...... 200 cycles (2 % ÎTR)
Physical Characteristics
Torque............................. 5.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals ........ Solderable pins and lugs
Flexible leads ..... (7 strands of 30 AWG)
Weight ....................................... 0.10 oz.
Marking.........Manufacturerâs trademark,
resistance code, terminal numbers,
date code, manufacturerâs model
number and style
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging
P&Y Style .................. 10 pcs. per tube
L Style ........................ 25 pcs. per bag
Adjustment Tool .............................. H-90
Product Dimensions
RT12C2L
Common Dimensions
31.75
(1.25)
25.4
(1.000)
3.18
(.125 )
1.47 ± .56
(.058 ± .022)
2.36
(.093)
DIA.
MTG. HOLES (2)
4.83
(.190)
ADJ. SLOT
2.92 ± .38 DIA.
(.115 ± .015)
X
.64
(.025)
WIDE
X
.79
(.031)
DEEP
6.10 TYP.
(.240)
LEADS
152.4
(6.000)
MIN.
LENGTH
8.00
±
.38
(.315 ± .015)
6.10
(.240) TYP.
RT12C2P
2.67
(.105 )
3.43 ± .38
(.135 ± .015)
.71 ± .03
(.028 ± .001)
DIA. TYP.
21
3
17.78
(.700)
22.86
(.900)
6.60 12.70 ± .79
(.260) (.500 ± .031)
RT12C2Y
How To Order
MIL-PRF-27208
RT12 C2 P 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
10,000
20,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
Nominal
Resolution
(Percent)
2.40
1.90
1.40
1.00
0.86
0.89
0.72
0.58
0.43
0.34
0.31
RED 2 WIPER
YELLOW 1
CCW
CLOCKWISE
3 GREEN
CW
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
1
2
3
7.62
(.300)
17.78
(.700)
6.35
(.250)
2.54
(.100)
12.70 ± .79
(.500 ± .031)
.71 ± .03 DIA. TYP.
(.028 ± .001)
2.54
(.100)
REV. 12/12
âTrimpotâ is a registered trademark of Bourns, Inc.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speciï¬cations are subject to change without notice.
Customers should verify actual device performance in their speciï¬c applications.
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