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DSMZ (Z-Foil)
Vishay Foil Resistors
?
FIGURE 3 - TRIMMING TO VALUES ?
(Conceptual Illustration)
FIGURE 4 - TYPICAL RESISTANCE/
TEMPERATURE CURVE ?
(For more details, see table 1)
+ 500
+ 400
Interloop Capacitance
Reduction in Series
Current Path
Before Trimming
+ 300
+ 200
Δ R
- 100
Mutual Inductance
Reduction due
to Change in
Current Direction
Current Path
After Trimming
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
+ 100
R 0
(ppm)
- 200
- 300
0.05 ppm/°C
- 0.1 ppm/°C 0.1 ppm/°C
0.14 ppm/°C
and Increasing
Resistance
- 400
- 500
- 0.16 ppm/°C
- 55 - 25
0
0.2 ppm/°C
+ 25 + 60 + 75 + 100 + 125
Note: Foil shown in black, etched spaces in white
FIGURE 5 - DIMENSIONS AND IMPRINTING
Ambient Temperature (°C) and TCR Chord Slopes for
Different Temperature Ranges
S I D E V I E W
w
F R O N T V I E W
L
t
P
P
TW
TW
S
BOTTOM VIEW
TOP VIEW
RATIO TOLERANCE CODE
VALUE R1
Notes
(1)
If the resistance value of R1 and R2
contains more than 6 characters
together, the VCODE will be printed
instead (see Resistance Value Code
List for Popular Ratios Table)
followed by the ratio tolerance code.
3
10K Q 10K (1) (2)
B0219
VALUE R2
STAND OFF
(2)
R1—between PIN1 and PIN3
R2—between PIN2 and PIN3.
1
DATE CODE
2
DIMENSIONS
L
W
H
P
TW
TH
S
t
INCHES
0.160 ± 0.008 0.106 ± 0.008 0.063 ± 0.008 0.031 ± 0.005 0.031 ± 0.004 0.043 ± 0.008 0.100 ± 0.008 0.005 ± 0.002
MILLIMETERS
4.06 ± 0.20
2.69 ± 0.20
1.60 ± 0.20
0.79 ± 0.13
0.79 ± 0.10
1.09 ± 0.20
2.54 ± 0.20
0.13 ± 0.05
FIGURE 6 - RECOMMENDED LAND PATTERN
0.063 ± 0.004
(1.6 ± 0.1)
0.100 ± 0.004
(2.54 ± 0.1)
www.vishayfoilresistors.com
2
For any questions, contact: foil@vishaypg.com
Document Number: 63121
Revision: 4-Feb-13
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