VHD144 VAISH [Vaishali Semiconductor], VHD144 Datasheet - Page 2

• Manufacturer Part Number: VHD144
• Manufacturer: VAISH [Vaishali Semiconductor]

www.vishay.com
2
VHD200, VHD144
Vishay Foil Resistors
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)
FIGURE 3 - VHD200 AND VHD144 STANDARD PRINTING AND DIMENSIONS in inches (millimeters)
FIGURE 2 - POWER DERATING CURVE
(ppm)
Δ
R
R
+ 150
+ 100
- 100
- 150
- 200
+ 50
- 50
Date Code
Model No .
100
(2.41)
- 55
0.095
0
75
50
25
- 50
- 55 °C
0
(19.05)
- 50
0.75
1)
- 25
VISHAY
VHD200
1
(10.11)
0746
0.398
Standard Printing and Dimensions
± 2 ppm/°C (+ 25 °C Reference)
2
Ambient Temperature (°C)
Ambient Temperature (°C)
3
0
0
(1.19)
0.047
VHD144
(10.92)
Low Resistance
+ 20
Value Indicator
0.430
+ 50
+ 50
Bulk Metal
+ 70
Voltage Dividers with TCR Tracking of 0.1 ppm/°C
1
+ 75
0.185
(4.70)
+ 100
For any questions, contact: [e-mail]
and Tolerance Match down to 0.001 %
+ 100
Tolerance
®
(11.05)
Match
0.435
0.370
(9.40)
+ 150
Foil Hermetically sealed, Small Package,
+ 125
0.1 (2.54)
0.146
(3.71)
Interloop Capacitance
Reduction in Series
FIGURE 2 - TRIMMING TO VALUES
Mutual Inductance
Reduction due
to Change in
Current Direction
100
75
50
25
- 55 °C
0
- 50
1
Note: Foil shown in black, etched spaces in white
R
Ambient Temperature (°C)
1
0
Schematic
VHD200
+ 25
2
+ 50
2)
R
Document Number: 63036
2
After Trimming
Current Path
+ 100
Revision: 13-Nov-07
from Shorting Strip Area
Changing Current Path
Removes this Material
3
Trimming Process
and Increasing
Resistance
Before Trimming
+ 125
+ 130
Current Path