Features
■ 1-1/4 ” Rectangular / Multiturn
Wirewound / Industrial / Sealed
■ Panel mount option available
■ Listed on the QPL per MIL-PRF-27208
■ 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 Coefficient ......±50 ppm/°C
Seal Test ...................... 85 °C Fluorinert*
(pin styles only)
Humidity........ MIL-STD-202 Method 106
96 hours
2 % ΔTR, 100 Megohms IR)
Vibration ............. 30 G (1 % ΔTR; 0.5 %
+ resolution DVR)
Shock................ 100 G (1 % ΔTR; 0.5 %
+ resolution ΔVR)
Load Life ....1,000 hours 1 watt @ 70 °C
(2 % ΔTR)
Rotational Life...... 200 cycles (2 % ΔTR)
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 .........Manufacturer’s trademark,
resistance code, terminal numbers,
date code, manufacturer’s 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
How To Order
RT12C2L
Common Dimensions
RT12 C2 P 101
MIL-PRF-27208
Model
31.75
(1.25)
3.18
(.125 )
25.4
(1.000)
1.47 ± .56
(.058 ± .022)
Characteristic
C = ±50 ppm/°C Temp. Coeff. Max.
2 = 85 °C Rating Temp.
150 °C Max. Operating Temp.
Terminal Style
ADJ. SLOT
2.92 ± .38 DIA.
(.115 ± .015)
.64
WIDE
X
(.025)
.79
DEEP
X
(.031)
2.36
DIA.
(.093)
MTG. HOLES (2)
4.83
(.190)
6.10
TYP.
(.240)
152.4
LEADS
MIN. LENGTH
(6.000)
8.00 ± .38
(.315 ± .015)
2.67
(.105 )
6.10
TYP.
(.240)
Resistance Code
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
3.43 ± .38
(.135 ± .015)
RED
RT12C2P
.71 ± .03
(.028 ± .001)
DIA. TYP.
2
1
3
17.78
(.700)
22.86
(.900)
12.70 ± .79
(.500 ± .031)
6.60
(.260)
RT12C2Y
1
2
3
7.62
(.300)
17.78
(.700)
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
6.35
(.250)
2.54
(.100)
.71 ± .03 DIA. TYP.
(.028 ± .001)
12.70 ± .79
(.500 ± .031)
2.54
(.100)
REV. 12/12
“Trimpot” 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.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
YELLOW
CCW
2
WIPER
3
1
CLOCKWISE
DIMENSIONS:
TOLERANCES: ±
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
0.25
(.010)
GREEN
CW
MM
(INCHES)
EXCEPT WHERE NOTED
