VFCD1505 (Z-Foil)
Vishay Foil Resistors
FIGURE 4 - TRIMMING TO VALUES
(conceptual illustration)
FIGURE 5 - TYPICAL RESISTANCE/
TEMPERATURE CURVE
(for more details see table 1)
+ 500
+ 400
Interloop Capacitance
Red u ction in Series
C u rrent Path
Before Trimming
+ 300
+ 200
D R
- 100
M u t u al Ind u ctance
Red u ction d u e
to Opposing
C u rrent in
Adjacent Lines
C u rrent Path
After Trimming
Trimming Process
Remo v es this Material
from Shorting Strip Area
Changing C u rrent Path
and Increasing
Resistance
+ 100
R 0
(ppm)
- 200
- 300
- 400
0.05 ppm/°C
- 0.1 ppm/°C 0.1 ppm/°C
0.14 ppm/°C
- 0.16 ppm/°C 0.2 ppm/°C
- 500
- 55
- 25
0
+ 25
+ 60 + 75
+ 100 + 125
Note: Foil sho w n in b lack, etched spaces in w hite
TABLE 3 - GLOBAL PART NUMBER INFORMATION (1)
NEW GLOBAL PART NUMBER: Y1685V0001QQ9R (preferred part number format)
Ambient Temperature (°C)
DENOTES PRECISION
Y
VCODE (2)
RESISTANCE
VALUE CODE
TOLERANCE MATCH
T = 0.01 %
Q = 0.02 %
PACKAGING
R = tape and reel
W = waffle pack
A = 0.05 %
Y
1
6
8
5
V
0
0
0
1
Q
Q
9
R
PRODUCT CODE
1685 = VFCD1505
ABSOLUTE TOLERANCE
T = ± 0.01 %
Q = ± 0.02 %
A = ± 0.05 %
CHARACTERISTICS
0 = standard product, tin/lead terminations
9 = standard product, lead (Pb)-free terminations
Other = custom
B = ± 0.1 %
C = ± 0.25 %
D = ± 0.5 %
F = ± 1.0 %
FOR EXAMPLE: ABOVE GLOBAL ORDER Y1685 V0001 Q Q 9 R:
TYPE: VFCD1505
VALUES: 10K/10K
ABSOLUTE TOLERANCE: ± 0.02 %
TOLERANCE MATCH: 0.02 %
TERMINATION: lead (Pb)-free
PACKAGING: tape and reel
HISTORICAL PART NUMBER: VFCD1505 10K/10K TCR0.2 Q Q S T (will continue to be used)
VFCD1505
MODEL
VFCD1505
10K/10K
OHMIC VALUE
R 1 = 10 k ?
R 2 = 10 k ?
TCR0.2
TCR
CHARACTERISTIC
Q
ABSOLUTE
TOLERANCE
T = ± 0.01 %
Q = ± 0.02 %
A = ± 0.05 %
Q
TOLERANCE
MATCH
T = 0.01 %
Q = 0.02 %
A = 0.05 %
S
TERMINATION
S = lead (Pb)-free
B = tin/lead alloy
T
PACKAGING
T = tape and reel
W = waffle pack
B = ± 0.1 %
C = ± 0.25 %
D = ± 0.5 %
F = ± 1.0 %
Notes
(1) Application engineering release: for non-standard requests, please contact application engineering
(2) For examples of VCODES see table 1
Document Number: 63109
Revision: 25-Mar-10
For any questions, contact: foil@vishaypg.com
www.foilresistors.com
3
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