Cermet Trimming Potenometer
© TT electronics plc Issue B 07/2012 Page 1
BI Technologies
4200 Bonita Place, Fullerton, CA 92835 |Ph: +1 714 447 2300
www.bitechnologies.com | www.electronics.com
General Note
TT Electronics reserves the right to make changes in product specicaon without
noce or liability. All informaon is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
Applicaons:
Any applicaon requiring adjustability or calibraon
Medical
Consumer electronics
Features:
3/8” square
Multurn
Sealed to be compable with aqueous PCB cleaning process
Highly reliable
Long life
Electrical
Standard resistance range 10 Ohms to 2 Megohms
Standard resistance tolerance ±10% (<100 Ohms = ±20%)
Input voltage 200 Vdc max. or rms not to exceed power rang
Slider current 100 mA max. or within rated power, whichever is less
Power rang 0.5 Was at 85°C derang to 0 at 125°C
End resistance 2 Ohms max
Actual electrical travel 20 turns nominal
Dielectric strength 900 Vrms
Insulaon resistance 1,000 Megohms minimum
Resoluon Essenally innite
Contact resistance variaon 1% or 1 Ohm max., whichever is greater
Environmental
Seal 85°C Fluorinert® (No Leaks)
Temperature coecient ±100 ppm/°C (<100 Ohms = ±250 ppm/°C)
Operang temperature range -55°C to +125°C
Thermal shock Five cycles –55°C to +125°C (1% ∆RT, 1% ∆VR)
Moisture resistance Ten 24 hour cycles (1% ∆RT, IR 1,000 Megohms min.)
Shock 6 ms saw-tooth, 100 G’s (1% ∆RT, 1% ∆VR)
Vibraon 20 G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR)
High temperature exposure 250 hours at 125°C (2% ∆RT, 2% ∆VR)
Rotaonal life 200 cycles (3% ∆RT)
Load life 1,000 hours at 70°C & 0.5 Was (2% ∆RT)
Resistance to solder heat 260°C for 10 sec. (1% ∆RT)