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VHD144T20KTCR2BQB Datasheet(PDF) 2 Page - Vaishali Semiconductor

Part # VHD144T20KTCR2BQB
Description  Bulk Metal짰 Foil Hermetically sealed, Small Package, Voltage Dividers with TCR Tracking of 0.1 ppm/째C and Tolerance Match down to 0.001 %
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Manufacturer  VAISH [Vaishali Semiconductor]
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Logo VAISH - Vaishali Semiconductor

VHD144T20KTCR2BQB Datasheet(HTML) 2 Page - Vaishali Semiconductor

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VHD200, VHD144
Vishay Foil Resistors Bulk Metal
® Foil Hermetically sealed, Small Package,
Voltage Dividers with TCR Tracking of 0.1 ppm/°C
and Tolerance Match down to 0.001 %
www.vishay.com
For any questions, contact: foil@vishay.com
Document Number: 63036
2
Revision: 13-Nov-07
Notes
1. Lead wires: #22 AWG solder coated copper, 0.75" minimum length.
2. Each resistor contains 1 chip consisting of two resistive elements. Tol: ± 0.020".
FIGURE 1 - TYPICAL TCR CURVE
(For more details, see table 1)
- 50
- 25
0
+ 20
+ 50
+ 75
+ 100
+ 125
- 55
+ 150
+ 100
+ 50
0
- 50
- 100
- 150
- 200
ΔR
R
(ppm)
Ambient Temperature (°C)
± 2 ppm/°C (+ 25 °C Reference)
FIGURE 2 - TRIMMING TO VALUES
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 3 - VHD200 AND VHD144 STANDARD PRINTING AND DIMENSIONS in inches (millimeters)
FIGURE 2 - POWER DERATING CURVE
VHD144
VHD200
VISHAY
0746
VHD200
1
Low Resistance
Value Indicator
0.398
(10.11)
0.430
(10.92)
0.047
(1.19)
Match
Tolerance
Date Code
Model No .
0.095
(2.41)
0.751)
(19.05)
123
0.146
(3.71)
0.435
(11.05)
0.370
(9.40)
0.1 (2.54)
0.185
(4.70)
Standard Printing and Dimensions
12
3
R
1
R
2
Schematic2)
100
75
50
25
0
- 50
0
+ 50
+ 100
+ 150
Ambient Temperature (°C)
- 55 °C
+ 70
100
75
50
25
0
- 50
0
+ 50
+ 100
+ 130
Ambient Temperature (°C)
- 55 °C
+ 25
+ 125


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