Vishay BFC2809090 Top and bottom adjustment Datasheet

BFC2 809 090..
www.vishay.com
Vishay BCcomponents
Film Dielectric Trimmers
FEATURES
• High temperature type
• Housing dimensions: 
8 mm x 9 mm x 10 mm
• For a basic grid of 2.54 mm
• Versions available with 1 or 2 rotor contacts
• Top and bottom adjustment
• Mounting: radial
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Antennas
• Impedance matching circuits
• Medical
• RF
• For fine adjustment in professional applications
QUICK REFERENCE DATA
Rated DC voltage
250 VDC
Test DC voltage for 1 min
500 VDC
Maximum contact resistance
5 m
Minimum insulation resistance
10 000 M
Category temperature range
-40 °C to +125 °C
Climatic category (IEC 60068)
40/125/21
Minimum storage temperature
-55 °C
Related specification
IEC 60418-1 and 4
Effective angle of rotation
Operating torque
180° (rotation in 180° only, see “Life of trimmer”)
Cmax. = 5.5 pF
1 mNm to 15 mNm
Cmax. = 9 pF and 18 pF
1 mNm to 20 mNm
Maximum axial thrust
Capacitance range (Cmin. / Cmax.)
Life of trimmer
2N
1.4 pF / 5.5 pF to 3 pF / 18 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: 28532
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 809 090..
www.vishay.com
Vishay BCcomponents
DIMENSIONS in millimeters
Ø 2.5
Ø 2.5
0.6
0.6
0.7
0.7
10.2
max.
10
max.
Sprue
Sprue
1 (4 x)
1 (4 x)
4 ± 0.5
0.8 min.
(4 x)
Z
Ø3
Color mark
0.8 min.
(4 x)
4 ± 0.5
Z
Color mark
Rotor (2 x)
Ø3
1.2 max.
DETAIL Z
turned 90°
Ø 1.6
1.2 max.
3.8 ± 0.1
DETAIL Z
turned 90°
8
max.
0.85 max.
0.6 ± 0.1
Stator
Ø 1.6
7.7
max.
0.95
± 0.2
0.5
± 0.15
0.6 ± 0.1
8.8 max.
Trimmers BFC2 809 090.. series, with one rotor contact
0.5
± 0.15
Trimmers BFC2 809 090.. series, with two rotor contacts
5.08
R
7.64
5.08
1.3
S
R
1.3
R = Rotor, S = Stator.
The large hole is for bottom
adjustment and the diameter is
determined by user’s requirements.
The large hole is for bottom
adjustment and the diameter is
determined by user’s requirements.
Hole pattern
ADJUSTMENT
MOUNTING
For top adjustment a screwdriver or trimming key can be
used; for bottom adjustment a key is required as shown
below.
The trimmer can be mounted on printed-circuit boards with
a basic grid of 2.54 mm and a minimum hole diameter of
1.25 mm.
Ø3
PACKAGING
Ø
0.6 + 0.20
1.7 + 0.10
0.7 + 0.10
Blister packs of 105 units each. For smallest packaging
quantity (SPQ) see “Electrical Data” table.
2 min.
Bottom adjustment key
Revision: 04-Aug-15
Document Number: 28532
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 809 090..
www.vishay.com
Vishay BCcomponents
ORDERING INFORMATION
CATALOG NUMBER BFC2 809 090..
Cmin. / Cmax.
(pF)
ROUND HEAD TOP AND BOTTOM ADJUSTMENT
VERSION WITH 1 ROTOR CONTACT
VERSION WITH 2 ROTOR CONTACTS
1.4 / 5.5
04
01
2/9
05
02
3 / 18
06
03
ELECTRICAL DATA
GUARANTEED
MAX. Cmin. /
MIN. Cmax.
AT 200 kHz
(pF)
SHAPE
OF HEAD
tan 
AT Cmax. x 10-4
DIEL.
1 MHz
100 MHz
TEMP.
COEFF. (2)
(10-6/K)
MIN. fres
AT Cmax.
(MHz)
COL.
OF
DOT
850
Green
580
White
360
Red
Round
1.4 / 5.5
Round
Round
2/9
Round
 10
PTFE (1)
 15
-250 ± 350
Round
3 / 18
Round
CATALOG NUMBER
BFC2 ... .....
SPQ
525
.... 809 09004 (3)
525
.... 809 09001 (4)
525
.... 809 09005 (3)
525
.... 809 09002 (4)
525
.... 809 09006 (3)
525
.... 809 09003 (4)
Notes
(1) PTFE = Polytetrafluorethylene.
(2) C: 60 % to 80 % of C
max.; Tamb: from +20 °C to +125 °C.
(3) Version with one rotor contact.
(4) Version with two rotor contacts.
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:  2.0 %;  3.0 % for 9 pF
19
Thrust
Axial thrust of 2 N
C/C:  0.3 %
21
Robustness of terminations:
1N
No damage
21.1
Ua
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:  3 %
23
T
Soldering:
Ta
Solderability
Solder bath immersion 3 mm;
235 °C; 2 s
Good wetting,
no mechanical damage
24
Tensile
Tb
Resistance to heat
Solder bath: 260 °C; 10 s
No mechanical damage
Eb
Impact bump
4000 ± 10 bumps; 40 g; 6 ms
C/C:  0.5 %;
no mechanical damage
Revision: 04-Aug-15
Document Number: 28532
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 809 090..
www.vishay.com
Vishay BCcomponents
TEST PROCEDURES AND REQUIREMENTS
IEC
60418-1
CLAUSE
IEC 60068
TEST
METHOD
25
Fc
26
TEST
Vibration
PROCEDURE
Frequency 10 Hz to 55 Hz;
amplitude 0.35 mm;
1.5 h
REQUIREMENTS
C/C:  0.3 %;
no mechanical damage
C/C:  2.5 %
Climatic sequence:
26.1
B
Dry heat
16 h at upper category
temperature
tan :  10 x 10-4

Rins.:  10 000 M;
Rotor contact R:  5 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 20 mNm
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:  5 m

Voltage proof:
500 V for 1 min

Visual examination:
no mechanical damage

Operating torque: 
1 mNm to 20 mNm
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 %
26.5
27
Ca
29
C/C after axial thrust:  0.3 %;
rotor contact R:  5 m
Voltage proof:
500 V for 1 min
Visual examination:
no mechanical damage
Operating torque: 
1 mNm to 20 mNm
Revision: 04-Aug-15
Document Number: 28532
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: 08-Feb-17
1
Document Number: 91000
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