BFC2 808 ..... Datasheet

BFC2 808 .....
www.vishay.com
Vishay BCcomponents
Ø 7.5 mm Film Dielectric Trimmers
FEATURES
• Housing diameter 7.5 mm
• For a basic grid of 2.54 mm (0.1") or 2.50 mm
• Top and bottom or top adjustment
• Vertical and horizontal versions
• 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
250 VDC
Test DC voltage for 1 min
500 VDC
Maximum contact resistance
10 m
Minimum insulation resistance
Category temperature range
Climatic category (IEC 60068)
10 000 M
PP
-40 °C to +70 °C
PE, PTFE, PET
-40 °C to +85 °C
PP
40/070/21
PE, PTFE, PET
40/085/21
Minimum storage temperature
-55 °C
Related specification
IEC 60418-1 and 4
Effective angle of rotation
Operating torque
Maximum axial thrust
Capacitance range (Cmin. / Cmax.)
Life of trimmer
180° (rotation in 180° only, see “Life of trimmer”)
Cmax. < 33 pF
1 mNm to 15 mNm
Cmax.  33 pF
1 mNm to 25 mNm
2N
1.4 pF / 5.5 pF to 3 pF / 33 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 Cmax. and is also subjected to
the full test voltage.
Revision: 04-Aug-15
Document Number: 28527
1
For technical questions, contact: [email protected]
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
DIMENSIONS in millimeters
ROUND HEAD
Ø 2.5
0.6
0.7
Ø 2.5
0.6
0.7
10 (1)
max.
10
max.
110° ± 5°
Z
4 ± 0.5
Rotor (2 x)
Z
0
5 - 0.1
4 ± 0.5
Stator
1.15 max.
3 ± 0.2
8
max.
4.5 ± 0.2
4.5
± 0.2
7.6 ± 0.1
8.6
7.6
± 0.1 max.
8.6 ± 0.2
DETAIL Z
turned 90°
DETAIL Z
turned 90°
Ø 1.6
0.6 ± 0.1
0.95 ± 0.2
0.6 ± 0.1
Ø 1.6
0.95
± 0.2
0.5
± 0.15
0.5
± 0.15
Trimmers BFC2 808 ..... series, vertical version
Trimmers BFC2 808 ..... series, horizontal version
5.08
R
7.5
R
R = Rotor, S = Stator
5.08
The large hole is for bottom
adjustment and the diameter is
determined by user’s requirements.
S
R
2.5
R = Rotor, S = Stator
1.3
S
R
1.3
Hole pattern
ADJUSTMENT
For top adjustment a screwdriver or trimming key can be used; for bottom adjustment a key is required as shown below.
Ø3
0.6
+ 0.2
0
+ 0.1
0
Ø 1.7
+ 0.1
0.7 0
2 min.
Bottom adjustment key
Revision: 04-Aug-15
Document Number: 28527
2
For technical questions, contact: [email protected]
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
ORDERING INFORMATION
CATALOG NUMBER BFC2 808 .....
VERTICAL VERSION
Cmin. / Cmax.
(pF)
HORIZONTAL VERSION
ROUND HEAD
ROUND HEAD
TOP AND BOTTOM ADJUSTMENT
TOP ADJUSTMENT ONLY
TOP AND BOTTOM ADJUSTMENT
1.4 / 5.5
11558
00004
51558
2/9
00018
-
-
2 / 10
11109
00005
51109
2 / 10
-
11004
-
2 / 15
11159
-
-
2 / 18
00016
-
-
2.5 / 20
-
11006
-
2.5 / 22
11229
00006
51229
3 / 33
11339
-
-
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 quantity (SPQ) see “Electrical Data”
table.
ELECTRICAL DATA
GUARANTEED
MAX. Cmin. /
MIN. Cmax.
AT 200 kHz
(pF)
SPINDLE
SHAPE
OF
HEAD
ADJ.
MODE
Round
Horizontal
Round
Top + bottom
Vertical
Round
Top + bottom
Vertical
Round
2/9
2 / 10
DIEL.
1 MHz 100 MHz
TEMP.
COEFF.
(10-6/K)
MIN. fres
AT Cmax.
(MHz)
COL.
OF
BASE
Top + bottom
Vertical
1.4 / 5.5
tan 
AT Cmax. x 10-4
Top
CATALOG
NUMBER
BFC2 ... .....
1400 .... 808 11558
PE
 10
 25
-250 ± 350
850
Grey
1400 .... 808 00004
1200 .... 808 51558
PTFE
 10
 15
-150 ± 800
400
Yellow 1400 .... 808 00018
PP
 10
 25
-250 ± 800
480
Yellow 1400 .... 808 00005
Top + bottom
Top
SPQ
1400 .... 808 11109
Horizontal
Round
Top + bottom
2 / 15
Vertical
Round
Top + bottom
PP
 10
 25
-250 ± 600
450
Blue
1400 .... 808 11159
2 / 18
Vertical
Round
Top + bottom
PTFE
 10
 15
-250 ± 350
350
Green
1400 .... 808 00016
2.5 / 20
Vertical
Round
Top
PET
 160
-
0 ± 1100
250
Green
1000 .... 808 11006
Vertical
2.5 / 22
Round
Top + bottom
Top
Horizontal
Round
Top + bottom
Vertical
Round
Top + bottom
3 / 33
Revision: 04-Aug-15
1200 .... 808 51109
1400 .... 808 11229
PP
 10
 25
-200 ± 500
350
Green
PP
 10
-
-250 ± 350
300
Brown 1400 .... 808 11339
1400 .... 808 00006
1200 .... 808 51229
Document Number: 28527
3
For technical questions, contact: [email protected]
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
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
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:  1 % for Cmax. < 40 pF;
C/C:  2.5 % for Cmax.  40 pF
19
Thrust
Axial thrust of 2 N
C/C:  0.3 %
21
Robustness of terminations:
21.1
Ua
Tensile
1 N
No damage
21.2
Ub
Bending
1 cycle
No damage
22
Na
Rapid change of temperature
1 cycle; 0.5 h at lower and 0.5 h
at upper category temperature
C/C:  2 %
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:  0.6 %;
no mechanical damage
25
Fc
Vibration
Frequency 10 Hz to 55 Hz;
amplitude 0.35 mm;
1.5 h
C/C:  0.6 %;
no mechanical damage
26
C/C:  4 %
Climatic sequence:
26.1
B
Dry heat
16 h at upper category
temperature
tan :  10 x 10-4 for Cmax. < 27 pF;
tan :  70 x 10-4 for Cmax.  27 pF;
tan :  80 x 10-4 for Cmax.  40 pF

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:
500 V for 1 min
26.3
Aa
Cold
16 h; -40 °C
Visual examination:
no mechanical damage
Damp heat accelerated,
remaining cycles
1 cycle; 24 h; +40 °C; 
95 % to 100 % RH
Operating torque: 
1 mNm to 15 mNm for Cmax. < 33 pF;
1 mNm to 25 mNm for Cmax.  33 pF
26.5
Revision: 04-Aug-15
Document Number: 28527
4
For technical questions, contact: [email protected]
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
IEC 60068
TEST
METHOD
27
Ca
29
Revision: 04-Aug-15
TEST
PROCEDURE
REQUIREMENTS
Damp heat steady state
21 days; +40 °C;
90 % to 95 % RH
C/C:  5 %

tan :  30 x 10-4 for Cmax. < 27 pF;
tan :  70 x 10-4 for Cmax.  27 pF;
tan :  80 x 10-4 for Cmax.  40 pF

Rins.:  10 000 M;
rotor contact R:  10 m

Voltage proof:
500 V for 1 min

Visual examination:
no mechanical damage

Operating torque: 
1 mNm to 15 mNm for Cmax. < 33 pF;
1 mNm to 25 mNm for Cmax.  33 pF
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:  1.5 %

C/C after axial thrust:  0.3 %;
rotor contact R:  10 m

Voltage proof:
500 V for 1 min

Visual examination:
no mechanical damage

Operating torque: 
1 mNm to 15 mNm for Cmax. < 33 pF;
1 mNm to 25 mNm for Cmax.  33 pF
Document Number: 28527
5
For technical questions, contact: [email protected]
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
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Revision: 02-Oct-12
1
Document Number: 91000
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