BFC2 808 .....
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Revision: 04-Aug-15 1Document Number: 28526
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Ø 5 mm Film Dielectric Trimmers
FEATURES
• Housing diameter 5 mm
• Top and bottom or top adjustment
•Round head
• Mounting: radial
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• Impedance matching circuits
•RF
• Medical
• For consumer and industrial equipment
QUICK REFERENCE DATA
Rated DC voltage 150 VDC
Test DC voltage for 1 min 300 VDC
Maximum contact resistance 10 m
Minimum insulation resistance 10 000 M
Category temperature range PP -40 °C to +70 °C
PTFE -40 °C to +85 °C
Climatic category (IEC 60068) PP 40/070/21
PTFE 40/085/21
Minimum storage temperature -55 °C
Related specification IEC 60418-1 and 4
Effective angle of rotation 180° (rotation in 180° only, see “Life of Trimmer”)
Operating torque Cmax. < 20 pF 1 mNm to 15 mNm
Cmax. 20 pF 1 mNm to 25 mNm
Maximum axial thrust 2 N
Capacitance range (Cmin. / Cmax.) 0.35 pF / 1.5 pF to 4 pF / 27 pF
Life of trimmer Maximum 10 cycles: rotation in 180° only (the electrical and mechanical
performance is not guaranteed if rotated beyond 10 cycles)
Quality level
Sampling and data evaluation for quality level in accordance
with “MIL-STD-105D” and “IEC 60410”:
< 0.15 % major defects
< 0.65 % minor defects
Each capacitor is tested for minimum Cmax. and is also subjected to the full test voltage.
BFC2 808 .....
www.vishay.com Vishay BCcomponents
Revision: 04-Aug-15 2Document Number: 28526
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
DIMENSIONS in millimeters
Trimmers BFC2 808 ..... series, with round head
CAPACITANCE AND RELEVANT PHYSICAL DIMENSIONS
Cmin. / Cmax.
(pF)
Hmax.
(mm)
Wmax.
(mm)
Lmax.
(mm)
0.35 / 1.5 7.0 5.5 7.3
1.5 / 5 7.0 5.5 7.3
3 / 10 7.0 5.5 7.3
3 / 15 8.8 5.5 7.3
4 / 20 8.8 5.5 7.3
4 / 27 9.0 6.2 7.8
3
+ 0.7
- 0.5
0.3
+ 0.1
0
0.4
+ 0.2
0
1.15 max.
5.6 ± 0.2
2.2 ± 0.2
3 ± 0.5
5.1 ± 0.2
1.6 ± 0.2
L
W
H
Ø 2.2
0.6
(1)
(1)
0.5
1.3
Hole pattern
P
BFC2 808 .....
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Revision: 04-Aug-15 3Document Number: 28526
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
MOUNTING
The trimmer has a lead pitch of 5.08 mm or 5.6 mm and can
be mounted on printed-circuit boards with a minimum hole
diameter of 1.25 mm.
PACKAGING
Bulk packaged in cardboard boxes lined with expanded
plastic, 1000 units per box.
Note
(1) C: 60 % to 80 % of Cmax.; Tamb: from +20 °C to +70 °C
SOLDERING CONDITIONS
For general soldering conditions and wave soldering profile, we refer to the application note “Soldering Guidelines for Film
Capacitors”: www.vishay.com/doc?28171
ORDERING INFORMATION
Cmin. / Cmax.
(pF)
CATALOG NUMBER BFC2 808 .....
TOP AND BOTTOM ADJUSTMENT
(P = 5.6 mm)
TOP ADJUSTMENT ONLY
(P = 5.6 mm)
TOP ADJUSTMENT ONLY
(P = 5.08 mm)
POLYTETRAFLUORETHYLENE
0.35 / 1.5 22158 - -
POLYPROPYLENE
1.2 / 5 - 24508 -
1.5 / 5 23508 - 20508
1.5 / 7 - 24708 -
3 / 10 23109 - 20109
3 / 15 23159 - 20159
4 / 20 23209 - 20209
4 / 27 23279 - 20279
ELECTRICAL DATA
GUARANTEED
MAX. Cmin. /
MIN. Cmax.
AT 200 kHz
(pF)
tan
AT Cmax. x 10-4 TEMP.
COEFF. (1)
(10-6/K)
MIN. fres
AT Cmax.
(MHz)
COLOR
OF
BASE
SMALLEST
PACKAGING
QUANTITY
CATALOG NUMBER
BFC2 ... .....
1 MHz 100 MHz
0.35 / 1.5 10 - -450 ± 550 - - 1000 ....80822158
1.2 / 5 10 - -200 ± 550 - Grey 1000 ....80824508
1.5 / 5 10 25 -200 ± 550 700 Grey 1000 ....80820508
....80823508
1.5 / 7 10 - -50 ± 550 - Grey 1000 ....80824708
3 / 10 10 25 -250 ± 550 500 Yellow 1000 ....80820109
....80823109
3 / 15 10 25 -250 ± 550 400 Blue 1000 ....80820159
....80823159
4 / 20 10 25 -250 ± 400 300 Green 1000 ....80820209
....80823209
4 / 27 10 25 -250 ± 400 300 Red 1000 ....80820279
....80823279
TEST PROCEDURES AND REQUIREMENTS
IEC
60418-1
CLAUSE
IEC 60068
TEST
METHOD
TEST PROCEDURE REQUIREMENTS
4.2 Method of mounting Method A
14 Capacitance drift After TC measurement C/C: 3 % for Cmax.10pF
C/C: 2 % for Cmax. > 10pF
19 Thrust Axial thrust of 2N C/C: 0.4 %
21 Robustness of terminations:
21.1 Ua Tensile 1N No damage
21.2 Ub Bending 1 cycle No damage
BFC2 808 .....
www.vishay.com Vishay BCcomponents
Revision: 04-Aug-15 4Document Number: 28526
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
22 Na Rapid change of temperature 1 cycle; 0.5 h at lower and
0.5 h at upper category temperature
C/C: 2.5 %
23 T Soldering:
Ta Solderability Solder bath immersion 3mm;
235°C;2s
Good wetting;
no mechanical damage
Tb Resistance to heat Solder bath: 260°C;10s No mechanical damage
24 Eb Impact bump 4000 ± 10bumps; 40g;6ms C/C: 1 %;
no mechanical damage
25 Fc Vibration Frequency 10 Hzto55Hz;
amplitude 0.75mm;
1.5 h
C/C: 1 %;
no mechanical damage
26 Climatic sequence:C/C: 4 %
26.1 B Dry heat 16h at upper category temperature tan or PP and PTFE foil: 15 x 10-4
tan for PC foil: 80x10-4
Rins.: 10 000M
Rotor contact R: 10m
26.2 D Damp heat accelerated,
first cycle
1 cycle; 24 h; +40°C;
95% to100 % RH
Voltage proof:
300V for 1min
26.3 Aa Cold 16h; -40°C Visual examination:
no mechanical damage
26.5 Damp heat accelerated,
remaining cycles
1 cycle; 24 h; +40°C;
95% to100 % RH
Operating torque:
1mNm to20mNm for Cmax.<20pF;
1mNm to30 mNm for Cmax. 20pF
27 Ca Damp heat steady state 21 days; +40°C;
90% to95 % RH
C/C: 3 %
tan for PP and PTFE foil: 15 x10-4;
tan for PC foil: 80x10-4
Rins.: 10 000M;
Rotor contact R: 10m
Voltage proof:
300V for 1min
Visual examination:
no mechanical damage
Operating torque:
1mNm to20mNm for Cmax. < 20pF;
1mNm to30 mNm for Cmax. 20pF
29 Mechanical endurance 10 cycles
Maximum 10 cycles: rotation in 180°
only. (The electrical and mechanical
performance is not guaranteed if
rotated beyond
10 cycles)
C/C: 3 %
C/C after axial thrust: 0.3 %;
rotor contact R: 10m
Voltage proof:
300V for 1min
Visual examination:
no mechanical damage
Operating torque:
0.5mNm to22.5mNm for Cmax.< 20pF;
0.5mNm to30 mNm for Cmax. 20pF
TEST PROCEDURES AND REQUIREMENTS
IEC
60418-1
CLAUSE
IEC 60068
TEST
METHOD
TEST PROCEDURE REQUIREMENTS
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Revision: 08-Feb-17 1Document Number: 91000
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