BFC2 808 ..... Datasheet

BFC2 808 .....
www.vishay.com
Vishay BCcomponents
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
Category temperature range
Climatic category (IEC 60068)
10 000 M
PP
-40 °C to +70 °C
PTFE
-40 °C to +85 °C
PP
40/070/21
PTFE
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. < 20 pF
1 mNm to 15 mNm
Cmax.  20 pF
1 mNm to 25 mNm
2N
0.35 pF / 1.5 pF to 4 pF / 27 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: 28526
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
Ø 2.2
0.6 (1)
0.5
H
(1)
0.4 + 0.20
0.3 + 0.10
3 ± 0.5
1.15 max.
2.2 ± 0.2
5.6 ± 0.2
W
+ 0.7
3 - 0.5
L
1.6 ± 0.2
5.1 ± 0.2
P
1.3
Hole pattern
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
Revision: 04-Aug-15
Document Number: 28526
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
MOUNTING
PACKAGING
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.
Bulk packaged in cardboard boxes lined with expanded
plastic, 1000 units per box.
ORDERING INFORMATION
Cmin. / Cmax.
(pF)
TOP AND BOTTOM ADJUSTMENT
(P = 5.6 mm)
POLYTETRAFLUORETHYLENE
0.35 / 1.5
22158
POLYPROPYLENE
1.2 / 5
1.5 / 5
23508
1.5 / 7
3 / 10
23109
3 / 15
23159
4 / 20
23209
4 / 27
23279
CATALOG NUMBER BFC2 808 .....
TOP ADJUSTMENT ONLY
(P = 5.6 mm)
TOP ADJUSTMENT ONLY
(P = 5.08 mm)
-
-
24508
24708
-
20508
20109
20159
20209
20279
ELECTRICAL DATA
tan 
AT Cmax. x 10-4
GUARANTEED
MAX. Cmin. /
MIN. Cmax.
AT 200 kHz
(pF)
0.35 / 1.5
1.2 / 5
1 MHz
100 MHz
TEMP.
COEFF. (1)
(10-6/K)
MIN. fres
AT Cmax.
(MHz)
COLOR
OF
BASE
SMALLEST
PACKAGING
QUANTITY
 10
 10
-
-450 ± 550
-200 ± 550
-
Grey
1000
1000
1.5 / 5
 10
 25
-200 ± 550
700
Grey
1000
1.5 / 7
 10
-
-50 ± 550
-
Grey
1000
3 / 10
 10
 25
-250 ± 550
500
Yellow
1000
3 / 15
 10
 25
-250 ± 550
400
Blue
1000
4 / 20
 10
 25
-250 ± 400
300
Green
1000
4 / 27
 10
 25
-250 ± 400
300
Red
1000
CATALOG NUMBER
BFC2 ... .....
.... 808 22158
.... 808 24508
.... 808 20508
.... 808 23508
.... 808 24708
.... 808 20109
.... 808 23109
.... 808 20159
.... 808 23159
.... 808 20209
.... 808 23209
.... 808 20279
.... 808 23279
Note
(1) C: 60 % to 80 % of C
max.; 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
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:  3 % for Cmax.  10 pF
C/C:  2 % for Cmax. > 10 pF
C/C:  0.4 %
21.1
Ua
Tensile
1 N
No damage
21.2
Ub
Bending
1 cycle
No damage
Revision: 04-Aug-15
Document Number: 28526
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
TEST
PROCEDURE
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
REQUIREMENTS
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
C/C:  4 %
Climatic sequence:
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
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
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
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
26.5
27
Ca
29
Revision: 04-Aug-15
Document Number: 28526
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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