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Features
■ 1-1/4 ” Rectangular / Multiturn
Cermet / Industrial / Sealed
■ Panel mount option available
■ Listed on the QPL per MIL-PRF-22097
■ For trimmer applications/processing
guidelines, click here
RJ12 - Trimpot® Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
........................ 10 ohms to 1 megohm
(see standard resistance table)
Resistance Tolerance ............ ±10 % std.
Absolute Minimum Resistance
............................1 % or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
...........................1.0 % or 1 ohm max.
(whichever is greater)
Adjustability
Voltage ...................................±0.01 %
Resistance .............................±0.05 %
Resolution.................................... Infinite
Insulation Resistance ............... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level ............................... 900 vac
70,000 Feet ............................ 350 vac
Effective Travel .................22 turns nom.
Environmental Characteristics
Power Rating @ 70 °C (400 volts max.)
............................................... 1.0 watt
Power Rating @ 150 °C .............. 0 watt
Temperature Range ....-55 °C to +150 °C
Temperature Coefficient ....±100 ppm/°C
Seal Test ...................... 85 °C Fluorinert*
(pin styles only)
Humidity........ MIL-STD-202 Method 106
(2 % ΔTR, 10 Megohms IR)
Vibration ....... 20 G (1 % ΔTR; 1 % ΔVR)
Shock............ 50 G (1 % ΔTR; 1 % ΔVR)
Load Life.. 1,000 hours 1.0 watt @ 70 °C
(3 % ΔTR; 1% or 1 ohms,
whichever is greater, CRV)
Rotational Life........................200 cycles
(2 % ΔTR; 1 % or 1 ohm,
whichever is greater, CRV)
Product Dimensions
How To Order
RJ12FP
MIL-PRF-22097
RJ12 F Y 103
Model
Characteristic
F = ±100 ppm/°C Temp. Coeff. Max.
2
1
3
17.78
(.700)
6.60 12.70 ± .79
(.260) (.500 ± .031)
22.86
(.900)
.71 ± .03
DIA. TYP.
(.028 ± .001)
2
3
7.62
(.300)
17.78
(.700)
2.54
(.100)
6.60
(.260)
.71 ± .03 DIA. TYP.
(.028 ± .001)
12.70 ± .79
(.500 ± .031)
Resistance Code
Standard Resistance Table
RJ12FY
1
Terminal Style
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
2.54
(.100)
RED
YELLOW
CCW
WIPER
3
1
CLOCKWISE
DIMENSIONS:
TOLERANCES: ±
Physical Characteristics
Torque............................. 5.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals .Solderable printed circuit pins
Flexible leads ..... (7 strands of 30 AWG)
Weight ......................................... 0.1 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 ..... 10 pcs. per tube
Adjustment Tool .............................. H-90
2
0.25
(.010)
GREEN
CW
MM
(INCHES)
EXCEPT WHERE NOTED
REV. 04/14
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*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. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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