BFC2808 Datasheet, PDF (5/6 Pages) Vishay Siliconix – 5 mm Film Dielectric Trimmers

BFC2 808 .....
Ø 5 mm Film Dielectric Trimmers _{Vishay BCcomponents}
IEC
60 418-1
CLAUSE
27
IEC
60 068
TEST
METHOD
Ca
TEST
damp heat steady state
29
mechanical endurance
PROCEDURE
REQUIREMENTS
21 days; + 40 °C;
90 to 95 % RH
10 cycles
ΔC/C: ≤ 3 %
tan δ for PP and PTFE foil: ≤ 15 x 10^-4;
tan δ for PC foil: ≤ 80 x 10^-4
R_ins: ≥ 10 000 MΩ;
rotor contact R: ≤ 10 mΩ
voltage proof:
300 V for 1 minute
visual examination:
no mechanical damage
operating torque:
1 to 20 mNm for C_max < 20 pF;
1 to 30 mNm for C_max ≥ 20 pF
ΔC/C: ≤ 3 %
Maximum 10 cycles: rotation in 180°
only. (The electrical and mechanical
perfromance is not guaranteed if
rotated beyond 10 cycles)
ΔC/C after axial thrust: ≤ 0.3 %;
rotor contact R: ≤ 10 mΩ
voltage proof:
300 V for 1 minute
visual examination:
no mechanical damage
operating torque:
0.5 to 22.5 mNm for C_max < 20 pF;
0.5 to 30 mNm for C_max ≥ 20 pF
Document Number 28526
Revision 11-Oct-07
For technical questions contact: [e-mail]
www.vishay.com
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