*“Fluorinert” is a registered trademark of 3M Co.
†
RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3296 - 3/8 ” Square Trimming Potentiometer
Features
■ Multiturn / Cermet / Industrial / Sealed
■ 5 terminal styles
■ Tape and reel packaging available
■ Chevron seal design
■ Listed on the QPL for style RJ24 per
MIL-R-22097 and RJR24 per High-Rel
Mil-R-39035
■ Mounting hardware available
(H-117P)
■ RoHS compliant
†
version available
Electrical Characteristics
Standard Resistance Range
........................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance ............±10 % std.
(tighter tolerance available)
Absolute Minimum Resistance
..............................1 % or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
...........................1.0 % or 3 ohms 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..................25 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
70 °C ........................................0.5 watt
125 °C .........................................0 watt
Temperature Range
..................................-55 °C to +150 °C
Temperature Coefficient ....±100 ppm/°C
Seal Test .......................85 °C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
(2 % ∆TR, 10 Megohms IR)
Vibration.........20 G (1 % ∆TR; 1 % ∆VR)
Shock...........100 G (1 % ∆TR; 1 % ∆VR)
Load Life
...............1,000 hours 0.5 watt @ 70 °C
(3 % ∆TR; 3 % or 3 ohms,
whichever is greater, CRV)
Rotational Life........................200 cycles
(4 % ∆TR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
Wiper................50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90