Vishay BFC280811229 Ã 7.5 mm film dielectric trimmer Datasheet

BFC2 808 .....
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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: 20-Jun-13
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: 20-Jun-13
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
ROUND HEAD
TOP AND BOTTOM ADJUSTMENT
TOP ADJUSTMENT ONLY
11558
00004
00018
11109
00005
11004
11159
00016
11006
11229
00006
11339
-
Cmin./Cmax.
(pF)
1.4/5.5
2/9
2/10
2/10
2/15
2/18
2.5/20
2.5/22
3/33
HORIZONTAL VERSION
ROUND HEAD
TOP AND BOTTOM ADJUSTMENT
51558
51109
51229
-
MOUNTING
PACKAGING
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.
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
Vertical
Round
Horizontal
Vertical
Round
Round
Vertical
Round
Horizontal
Vertical
Vertical
Vertical
Round
Round
Round
Round
Vertical
Round
Horizontal
Vertical
Round
Round
1.4/5.5
2/9
2/10
2/15
2/18
2.5/20
2.5/22
3/33
SHAPE
OF
HEAD
ADJ.
MODE
Top + bottom
Top
Top + bottom
Top + bottom
Top + bottom
Top
Top + bottom
Top + bottom
Top + bottom
Top
Top + bottom
Top
Top + bottom
Top + bottom
tan 
AT Cmax. x 10-4
DIEL.
1 MHz 100 MHz
TEMP.
COEFF.
(10-6/K)
MIN. fres
AT Cmax.
(MHz)
PE
 10
 25
- 250 ± 350
850
PTFE
 10
 15
- 150 ± 800
400
PP
 10
 25
- 250 ± 800
480
PP
PTFE
PET
 10
 10
 160
 25
 15
-
- 250 ± 600
- 250 ± 350
0 ± 1100
450
350
250
PP
 10
 25
- 200 ± 500
350
PP
 10
-
- 250 ± 350
300
COL.
OF
BASE
SPQ
1400
1400
1200
Yellow 1400
1400
Yellow 1400
1200
Blue 1400
Green 1400
Green 1000
1400
Green 1400
1200
Brown 1400
Grey
CATALOG
NUMBER
BFC2 ... .....
.... 808 11558
.... 808 00004
.... 808 51558
.... 808 00018
.... 808 11109
.... 808 00005
.... 808 51109
.... 808 11159
.... 808 00016
.... 808 11006
.... 808 11229
.... 808 00006
.... 808 51229
.... 808 11339
TEST PROCEDURES AND REQUIREMENTS
IEC
60418-1
CLAUSE
4.2
14
IEC 60068
TEST
METHOD
19
21
TEST
PROCEDURE
REQUIREMENTS
Method of mounting
Capacitance drift
Method A
After TC measurement
Thrust
Robustness of terminations:
Axial thrust of 2 N
C/C:  1 % for Cmax. < 40 pF;
C/C:  2.5 % for Cmax.  40 pF
C/C:  0.3 %
21.1
Ua
Tensile
1N
No damage
21.2
22
Ub
Na
Bending
Rapid change of temperature
1 cycle
1 cycle; 0.5 h at lower and 0.5 h
at upper category temperature
No damage
C/C:  2 %
Revision: 20-Jun-13
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
TEST PROCEDURES AND REQUIREMENTS
IEC
60418-1
CLAUSE
IEC 60068
TEST
METHOD
23
T
Soldering:
Ta
Solderability
TEST
PROCEDURE
Solder bath immersion 3 mm;
235 °C; 2 s
REQUIREMENTS
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
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
26.5
27
Ca
29
Revision: 20-Jun-13
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
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Revision: 02-Oct-12
1
Document Number: 91000
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