English
Language : 

BFC2809070 Datasheet, PDF (4/5 Pages) Vishay Siliconix – Film Dielectric Trimmers
www.vishay.com
BFC2 809 070..
Vishay BCcomponents
TEST PROCEDURES AND REQUIREMENTS
IEC
60418-1
CLAUSE
IEC 60068
TEST
METHOD
TEST
26
Climatic sequence:
PROCEDURE
REQUIREMENTS
C/C:  3
26.1
B
Dry heat
16 h at upper category temperature
tan :  10 x 10-4 

Rins:  10 000 M;
rotor contact R:  10 m
26.2
D
Damp heat accelerated,
1 cycle; 24 h; +40 °C;
first cycle
95 % to 100 % RH
Voltage proof:
400 V for 1 min
26.3
Aa
Cold
16 h; -40 °C
Visual examination:
no mechanical damage
26.5
Damp heat accelerated,
1 cycle; 24 h; +40 °C; 
Operating torque: 
remaining cycles
95 % to 100 % RH
1.5 mNm to 35 mNm
27
Ca
Damp heat steady state
21 days; +40 °C;
90 % to 95 % RH
C/C:  3 %

tan :  10 x 10-4

Rins:  10 000 M;
rotor contact R:  10 m

Voltage proof:
400 V for 1 min

Visual examination:
no mechanical damage

Operating torque: 
1.5 mNm to 35 mNm
29
Mechanical endurance
10 cycles
C/C:  0.3 %


Maximum 10 cycles: rotation
C/C after axial thrust:  0.3 %;
in 180° only (the electrical and
rotor contact R:  10 m
mechanical performance is not

guaranteed if rotated beyond
Voltage proof:
10 cycles)
400 V for 1 min

Visual examination:
no mechanical damage

Operating torque: 
1 mNm to 50 mNm
Revision: 04-Aug-15
4
Document Number: 28530
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000