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
Product Dimensions
How To Order
MIL-PRF-27208
Model
Standard Resistance Range
RT12C2L
RT12 C2 P 101
Common Dimensions
...................................10 to 20K ohms
(see standard resistance table)
Resistance Tolerance ..............±± ꢀ std.
Absolute Minimum Resistance
31.75
(1.25)
Characteristic
C = ±±0 ppmꢁ°C Temp. Coeff. Max.
3.18
(.125 )
25.4
(1.000)
2 = 8± °C Rating Temp.
...........................0.1 ꢀ or 1 ohm max.
(whichever is greater)
1.47 .56
(.058 .022)
1±0 °C Max. Operating Temp.
Terminal Style
Resistance Code
Noise .....................100 ohms ENR max.
Resolution............ See Resistance Table
Insulation Resistance ............... ±00 vdc.
1,000 megohms min.
ADJ. SLOT
2.92 .38
(.115 .015)
DIA.
2.36
(.093)
DIA.
Standard Resistance Table
.64
WIDE
(.025)
X
X
Dielectric Strength
MTG. HOLES (2)
Nominal
Sea Level ............................ 1,±00 vac
70,000 Feet............................ 400 vac
Adjustment Travel.............22 turns nom.
.79
DEEP
(.031)
4.83
(.190)
Resistance
(Ohms)
Resistance
Code
Resolution
(Percent)
10
100
200
±00
101
201
±01
102
202
±02
103
203
2.40
1.90
1.40
1.00
0.86
0.89
0.72
0.±8
0.43
0.34
0.31
20
Environmental Characteristics
6.10
(.240)
±0
TYP.
6.10
TYP.
100
152.4
LEADS
Power Rating @ 70 °C ................. 1 watt
Power Rating @ 1±0 °C ............... 0 watt
Temperature Range....-±± °C to +1±0 °C
Temperature Coefficient ......±±0 ppmꢁ°C
Seal Test...................... 8± °C Fluorinert*
(pin styles only)
(.240)
MIN. LENGTH
200
(6.000)
8.00 .38
(.315 .015)
±00
1,000
2,000
±,000
10,000
20,000
2.67
Humidity........ MIL-STD-202 Method 106
96 hours
(.105 )
3.43 .38
(.135 .015)
RED
WIPER
2
2 ꢀ ΔTR, 100 Megohms IR)
RT12C2P
GREEN
CW
Vibration ............. 30 G (1 ꢀ ΔTR; 0.± ꢀ
+ resolution DVR)
YELLOW
CCW
3
1
.71 .03
(.028 .001)
DIA. TYP.
CLOCKWISE
Shock................ 100 G (1 ꢀ ΔTR; 0.± ꢀ
+ resolution ΔVR)
MM
(INCHES)
2
1
3
DIMENSIONS:
Load Life....1,000 hours 1 watt @ 70 °C
(2 ꢀ ΔTR)
17.78
(.700)
6.60
12.70 .79
(.260) (.500 .031)
0.25
(.010)
TOLERANCES:
EXCEPT WHERE NOTED
22.86
(.900)
Rotational Life...... 200 cycles (2 ꢀ ΔTR)
Physical Characteristics
RT12C2Y
Torque............................. ±.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
1
2
3
7.62
(.300)
6.35
(.250)
17.78
(.700)
number and style
Wiper ............... ±0 ꢀ (Actual TR) ±10 ꢀ
Flammability ..........................U.L. 94V-0
Standard Packaging
2.54
(.100)
P&Y Style.................. 10 pcs. per tube
L Style ........................ 2± pcs. per bag
Adjustment Tool.............................. H-90
.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.