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300144ZTR1TCR0.2DFB データシート(PDF) 2 Page - Vishay Siliconix

部品番号 300144ZTR1TCR0.2DFB
部品情報  Ultra High Precision Z-Foil Voltage Divider Resistors with TCR
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メーカー  VISHAY [Vishay Siliconix]
ホームページ  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

300144ZTR1TCR0.2DFB データシート(HTML) 2 Page - Vishay Siliconix

  300144ZTR1TCR0.2DFB Datasheet HTML 1Page - Vishay Siliconix 300144ZTR1TCR0.2DFB Datasheet HTML 2Page - Vishay Siliconix 300144ZTR1TCR0.2DFB Datasheet HTML 3Page - Vishay Siliconix 300144ZTR1TCR0.2DFB Datasheet HTML 4Page - Vishay Siliconix 300144ZTR1TCR0.2DFB Datasheet HTML 5Page - Vishay Siliconix  
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300144Z, 300145Z (Z-Foil)
Vishay Foil ResistorsUltra High Precision Z-Foil Voltage Divider Resistors with TCR
Tracking to 0.1 ppm/°C, Power Coefficient Tracking of 5 ppm
at Rated Power, and Tolerance Match to 0.005 % (50 ppm)
www.vishay.com
For any questions, contact: foil@vishay.com
Document Number: 63115
2
Revision: 21-Nov-07
Note: Power is proportional to the divider ratio
Example: In a 300144Z (1K/10K dual), the power rating would be
18 mW on the 1K and 182 mW on the 10K, for a total of 200 mW on
R1 + R2.
FIGURE 1 - TRIMMING TO VALUES (conceptual illustration)
Mutual Inductance
Reduction due
to Change in
Current Direction
Current Path
Before Trimming
Note: Foil shown in black, etched spaces in white
Interloop Capacitance
Reduction in Series
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
Current Path
After Trimming
FIGURE 2 - STANDARD PRINTING AND DIMENSIONS in inches (millimeters)
Model 300144Z and Schematic2)
Model 300145Z and Schematic2)
23
R2
1
R1
123
VISHAY
9825
0.295
(7.49)
0.320
(8.13)
Date Code
Model No.
0.75
1)
(19.05)
0.1 (2.54)
300144Z
0.015 ± 0.005
(0.38 ± 0.13)
0.025 ± 0.005
(0.64 ± 0.13)
1
Low
Resistance
Value Indicator
0.1
(2.54)
Match
Tolerance
123
0.75
1)
(19.05)
0.1 (2.54)
0.015 ± 0.005
(0.38 ± 0.13)
0.025 ± 0.005
(0.64 ± 0.13)
23
R2
1
R1
54
R1
6
R2
0.375
(9.53)
0.375
(9.53)
0.2
(5.08)
654
Match
Tolerance
Date Code
Model No.
VISHAY
9825
300145Z
Tolerance: ± 0.010" (0.25)
1. Lead wires: #22 AWG solder coated copper,
0.75" minimum length
2. Each resistor contains 1 chip of two resistive
elements
FIGURE 3 - POWER DERATING CURVE
300144Z, 300145Z
200 %
175 %
150 %
125 %
100 %
75 %
50 %
25 %
0
- 75
- 50
- 25
0
+ 25
+ 50
+ 75
+ 100 + 125 + 150 + 175 + 200
Ambient Temperature (
°C)
- 55 °C
+ 70 °C
Double Rated Power
Rated Power
Safe operation
for < 150 ppm
R after 2000
hours load-life.
(
)
(
)
R1
R2
P1 =
P
P2 =
P
R1 + R2
R1 + R2
FIGURE 4 - TYPICAL TCR CURVE Z-FOIL
(for more details see table 1)
+ 500
+ 200
+ 100
0
- 100
- 200
- 300
- 500
- 55
- 25
+ 25
+ 60
+ 75
+ 100
+ 125
Ambient Temperature (°C)
ΔR
R
(ppm)
0
0.05 ppm/°C
- 0.1 ppm/°C
0.1 ppm/°C
0.14 ppm/°C
0.2 ppm/°C
- 0.16 ppm/°C
- 400
+ 300
+ 400


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