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Y09255K0000G0L Datasheet(PDF) 2 Page - Vishay Siliconix

Part # Y09255K0000G0L
Description  Foil Technology Precision Foil Power Resistors in TO-220 Configuration with TCR 2 ppm/째C,of Tolerance of to 짹 0.01 % and Power Rating to 8 W
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

Y09255K0000G0L Datasheet(HTML) 2 Page - Vishay Siliconix

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VPR220, VPR221
Vishay Foil Resistors
Bulk Metal® Foil Technology Precision Foil Power
Resistors in TO-220 Configuration with TCR of ± 2 ppm/°C,
Tolerance of to ± 0.01 % and Power Rating to 8 W
www.vishay.com
For any questions, contact: foil@vishay.com
Document Number: 63012
2
Revision: 05-Jul-07
Notes
1. Whichever is lower
2. Heat
sink
chassis
dimensions
and
requirements
per
MIL-R-39009/1B:
3. Inductance (L) due mainly to the leads
4. The resolution limit of existing test equipment (within the
measurement capability of the equipment, or "essentially zero")
5. µV/°C relates to EMF due to lead temperature difference
Surface mount versions of these products are available. See
datasheets for VPR220S, VPR 221S.
FIGURE 2 - TYPICAL TCR CURVE
TABLE 3 - SPECIFICATIONS
Load Life Stability at 2000 h
± 0.05 % max
ΔR under full rated
power at + 25 °C
Power Rating at + 25 °C
8 W or 3 A1) on heat sink2)
1.5 W or 3 A1) in free air
Further derating not necessary
Current Noise
< 0.010 µV (rms)/V of applied
voltage (- 40 dB)
High Frequency Operation
Rise time
1 ns without ringing
Inductance3) (L)
0.1 µH maximum: 0.03 µH typical
Capacitance (C)
1.0 pF maximum: 0.5 pF typical
Voltage Coefficient4)
< 0.1 ppm/V
Operating Temperature
Range
- 55 °C to + 150 °C
Maximum Working Voltage
300 V. Not to exceed power rating
Thermal EMF5)
0.15 µV/°C maximum (lead effect)
DIMENSION
INCHES
mm
L
6.00
152.4
W
4.00
101.6
H
2.00
50.8
T
0.04
1.0
- 50
- 25
0
+ 20
+ 50
+ 75
+ 100
+ 125
- 55
+ 150
+ 100
+ 50
0
- 50
- 100
- 150
- 200
R
R
(ppm)
Ambient Temperature (°C)
± 2 ppm/°C (+ 25 °C reference)
FIGURE 3 - TRIMMING TO VALUES
(Conceptual Illustration)
FIGURE 4 - VPR220 DIMENSIONS in inches (millimeters)
FIGURE 5 - VPR221 DIMENSIONS in inches (millimeters)
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
0.400 ± 0.010
(10.16 ± 0.25)
VISHAY
VPR220
1K0 1 %
0101
0.245 ± 0.010
(6.22 ± 0.25)
0.141 ± 0.005 Dia
(3.58 ± 0.13)
0.540 ± 0.040
(13.72 ± 1.02)
0.030 ± 0.002
(0.76 ± 0.05)
0.200 ± 0.005
(5.08 ± 0.13)
0.115 ± 0.005
(2.92 ± 0.13)
0.050 ± 0.005
(1.27 ± 0.13)
0.150 ± 0.008
(3.81 ± 0.2)
0.615 Max
(15.62)
0.078 ± 0.005
(1.98 ± 0.13)
0.015 ± 0.002
(0.38 ± 0.05)
0.050 ± 0.005
(1.27 ± 0.13)
0.200 ± 0.030
(5.08 ± 0.76)
E
2
0.050 ± 0.005
(1.27 ± 0.13)
0.150 ± 0.008
(3.81 ± 0.2)
0.615 Max
(15.62)
0.078 ± 0.005
(1.98 ± 0.13)
0.015 ± 0.002
(0.38 ± 0.05)
0.030 ± 0.002
(0.76 ± 0.05)
0.100 ± 0.005
(2.54 ± 0.13)
0.400 ± 0.010
(10.16 ± 0.25)
VISHAY
VPR221
1R0 1 %
0101
0.245 ± 0.010
(6.22 ± 0.25)
0.141 ± 0.005 Dia
(3.58 ± 0.13)
0.540 ± 0.040
(13.72 ± 1.02)
0.115 ± 0.005
(2.92 ± 0.13)
0.050 ± 0.005
(1.27 ± 0.13)
0.200 ± 0.030
(5.08 ± 0.76)
E
1
I
2
I
1


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