BFC2 808 .....
www.vishay.com
Vishay BCcomponents
Ø 10 mm Film Dielectric Trimmers
FEATURES
• Housing diameter 10 mm
• For a basic grid of 2.54 mm (0.1") or 2.50 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
• Antennas
• Impedance matching circuits
• Medical
• RF
• For consumer and industrial equipment
QUICK REFERENCE DATA
Rated DC voltage
Test DC voltage for 1 min
Maximum contact resistance
Minimum insulation resistance
Category temperature range
PP
PTFE
PP
PTFE
150 V
DC
300 V
DC
10 m
10 000 M
-40 °C to +70 °C
-40 °C to +85 °C
40/070/21
40/085/21
-55 °C
IEC 60418-1 and 4
180° (rotation in 180° only, see “Life of trimmer”)
2 mNm to 25 mNm
2N
2.5 pF / 15 pF to 5.5 pF / 65 pF
Maximum 10 cycles: rotation in 180° only (the electrical and mechanical
performance is not guaranteed if rotated beyond 10 cycles)
Sampling and data evaluation for quality level in accordance
with
“MIL-STD-105D”
and
“IEC 60410”:
Quality level
< 0.15 % major defects
< 0.65 % minor defects
Each capacitor is tested for minimum C
max.
and is also subjected to
the full test voltage.
Climatic category (IEC 60068)
Minimum storage temperature
Related specification
Effective angle of rotation
Operating torque
Maximum axial thrust
Capacitance range (C
min.
/ C
max.
)
Life of trimmer
Revision: 04-Aug-15
Document Number: 28528
1
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
BFC2 808 .....
www.vishay.com
DIMENSIONS
in millimeters
FIG. 1
ROUND HEAD
Ø 2.5
0.6
0.7
0.7
FIG. 2
ROUND HEAD
Ø 2.5
0.6
Vishay BCcomponents
11 max.
11 max.
Z
4 ± 0.5
4 ± 0.5
Z
3 ± 0.2
3 ± 0.2
10.6
max.
5 ± 0.1
10
- 0.2
0
10.6
max.
5 ± 0.1
10
- 0.2
0
0.4 max.
5.85 ± 0.2
5.85 ± 0.2
DETAIL Z
turned 90°
Ø 1.6
DETAIL Z
turned 90°
Ø 1.6
0.65 ± 0.2
0.6 ± 0.1
0.5
± 0.15
0.6 ± 0.1
0.5
± 0.15
0.85 max.
Trimmers BFC2 808 ..... series
10
5
R
1.3
S
S
R = Rotor,
S
=
Stator
The large hole is for bottom adjustment and the
diameter is determined by user’s requirements.
R
2.5
5
R
5
R
7.5
1.3
R = Rotor,
S
=
Stator
Hole pattern
Revision: 04-Aug-15
Document Number: 28528
2
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
BFC2 808 .....
www.vishay.com
ADJUSTMENT
For top adjustment a screwdriver or trimming key can be used; for bottom adjustment a key is required as shown below.
Ø3
Ø 1.7
+ 0.1
0
0.6
+ 0.2
0
2 min.
0.7
+ 0.1
0
Vishay BCcomponents
Bottom adjustment key
ORDERING INFORMATION
C
min.
/ C
max.
(pF)
CATALOG NUMBER BFC2 808 .....
HOLE PATTERN
HOLE PATTERN
5 mm x 10 mm
7.5 mm x 5 mm
ROUND HEAD
ROUND HEAD
ROUND HEAD
TOP AND BOTTOM ADJUSTMENT
TOP ADJUSTMENT
31159
32159
-
31229
32229
-
31409
32409
-
01029
01006
-
31659
32659
01001
2.5 / 15
3 / 22.5
5.5 / 40
5.5 / 50
5.5 / 65
MOUNTING
The trimmer can be mounted on printed-circuit boards with a grid of 2.50 mm or 2.54 mm and a minimum hole diameter of
1.25 mm.
PACKAGING
Bulk packaged in cardboard boxes lined with expanded plastic. For smallest packaging quantities (SPQ) see “Electrical Data”
table.
ELECTRICAL DATA
GUARANTEED
MAX. C
min.
/
MIN. C
max.
AT 200 kHz
(pF)
2.5 / 15
3 / 22.5
5.5 / 40
5.5 / 50
SHAPE
OF
HEAD
Round
Round
Round
Round
Round
Round
Round
tan
AT C
max.
x 10
-4
FIG.
ADJ. MODE
DIEL.
1 MHz
1
2
1
2
1
2
1
2
2
1
2
Top + bottom
Top + bottom
Top + bottom
Top + bottom
Top
Top + bottom
PP
10
25
-200 ± 500
170
PP
PP
PP
PTFE
10
10
10
10
100 MHz
25
25
25
25
TEMP.
COEFF.
(10
-6
/K)
-200 ± 700
-200 ± 700
-200 ± 400
-200 ± 400
MIN. f
res
AT C
max.
(MHz)
420
200
200
170
COL.
OF
BASE
Blue
SP
Q
CATALOG
NUMBER
BFC2 ... .....
.... 808 31159
.... 808 32159
.... 808 31229
.... 808 32229
.... 808 31409
.... 808 32409
.... 808 01029
.... 808 01006
.... 808 01001
.... 808 31659
.... 808 32659
5.5 / 65
800
800
800
Green
800
800
Grey
800
800
Yellow
800
800
Yellow 800
800
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
Revision: 04-Aug-15
Document Number: 28528
3
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
BFC2 808 .....
www.vishay.com
Vishay BCcomponents
TEST PROCEDURES AND REQUIREMENTS
IEC
60418-1
CLAUSE
4.2
14
19
21
21.1
21.2
22
23
Ua
Ub
Na
T
Ta
Tb
Eb
Fc
IEC 60068
TEST
METHOD
TEST
Method of mounting
Capacitance drift
Thrust
Robustness of terminations:
Tensile
Bending
Rapid change of temperature
Soldering:
Solderability
Resistance to heat
Impact bump
Vibration
Climatic sequence:
B
Dry heat
16 h at upper category
temperature
Solder bath immersion 3 mm;
235 °C; 2 s
Solder bath: 260 °C; 10 s
4000 ± 10 bumps; 40 g; 6 ms
Frequency 10 Hz to 55 Hz;
amplitude 0.35 mm;
1.5 h
Good wetting,
no mechanical damage
No mechanical damage
C/C:
0.4 %;
no mechanical damage
C/C:
0.8 %;
no mechanical damage
C/C:
3 % for C
max.
< 80 pF;
C/C:
6 % for C
max.
80 pF
tan
:
15 x 10
-4
for C
max.
< 80 pF;
tan
:
80 x 10
-4
for C
max.
80 pF
R
ins.
:
10 000 M;
rotor contact R:
10
Voltage proof:
300 V for 1 min
Visual examination:
no mechanical damage
Operating torque: 2 mNm to 35 mNm
C/C:
3 % for C
max.
< 100 pF;
3 % for C
max.
100 pF
tan
:
20 x 10
-4
for C
max.
< 80 pF;
tan
:
80 x 10
-4
for C
max.
80 pF
R
ins.
:
10 000 M;
rotor contact R:
10 m
Voltage proof:
300 V for 1 min
Visual examination:
no mechanical damage
Operating torque: 2 mNm to 35 mNm
C/C:
1 %
C/C
after axial thrust:
0.4 %;
rotor contact R:
10 m
Voltage proof:
300 V for 1 min
Visual examination:
no mechanical damage
Operating torque: 1.5 mNm to 37 mNm
PROCEDURE
Method A
After TC measurement
Axial thrust of 2 N
REQUIREMENTS
C/C:
4.5 % for C
max.
< 40 pF;
C/C:
2.5 % for C
max.
40 pF
C/C:
0.3 %
1 N
1 cycle
1 cycle; 0.5 h at lower and 0.5 h
at upper category temperature
No damage
No damage
C/C:
1.5 %
24
25
26
26.1
26.2
26.3
26.5
27
D
Aa
Damp heat accelerated,
first cycle
Cold
Damp heat accelerated,
remaining cycles
Damp heat steady state
1 cycle; 24 h; +40 °C;
95 % to 100 % RH
16 h; -40 °C
1 cycle; 24 h; +40 °C;
95 % to 100 % RH
21 days; +40 °C;
90 % to 95 % RH
Ca
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)
Revision: 04-Aug-15
Document Number: 28528
4
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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