BFC280907 Datasheet, PDF (4/5 Pages) Vishay Siliconix – Film Dielectric Trimmers

BFC2 809 07...
Vishay BCcomponents
Film Dielectric Trimmers
IEC
60 418-1
CLAUSE
26
26.1
IEC 60068
TEST
METHOD
B
TEST
climatic sequence:
dry heat
26.2
D
damp heat accelerated,
first cycle
26.3
Aa
cold
26.5
damp heat accelerated,
remaining cycles
27
Ca
damp heat steady state
29
mechanical endurance
PROCEDURE
REQUIREMENTS
16 hours at upper category
temperature
1 cycle; 24 hours; + 40 °C;
95 to 100 % RH
16 hours; - 40 °C
1 cycle; 24 hours; + 40 °C;
95 to 100 % RH
21 days; + 40 °C;
90 to 95 % RH
10 cycles
Maximum 10 cycles: rotation in
180° only (the electrical and
mechanical performance is not
guaranteed if rotated beyond 10
cycles)
ΔC/C: ≤ 3
tan δ: ≤ 10 x 10^-4
R_ins: ≥ 10000 MΩ;
rotor contact R: ≤ 10 mΩ
voltage proof:
400 V for 1 minute
visual examination:
no mechanical damage
operating torque:
1.5 to 35 mNm
ΔC/C: ≤ 3 %
tan δ: ≤ 10 x 10^-4
R_ins: ≥ 10000 MΩ;
rotor contact R: ≤ 10 mΩ
voltage proof:
400 V for 1 minute
visual examination:
no mechanical damage
operating torque:
1.5 to 35 mNm
ΔC/C: ≤ 0.3 %
ΔC/C after axial thrust: ≤ 0.3 %;
rotor contact R: ≤ 10 mΩ
voltage proof:
400 V for 1 minute
visual examination:
no mechanical damage
operating torque:
1 to 50 mNm
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Document Number 28530
Revision: 18-Oct-07