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PDF VPR220 Data sheet ( Hoja de datos )
| Número de pieza | VPR220 | |
| Descripción | Foil Power Resistors | |
| Fabricantes | Vishay | |
| Logotipo |  |
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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
Any value at any tolerance within resistance range
Models VPR220 AND VPR221, made from Vishay Bulk
Metal® Foil, offer low TCR, high stability, tight tolerance and
fast response time in a small, molded resistor. Model
VPR220 is a 2 lead device. Model VPR221 is a 4 lead Kelvin
connected device. The 4 leaded version is highly
recommended for precision applications requiring ohmic
values of 100R or less.
TABLE 1 - VPR220
RESISTANCE
RANGE (Ω) (1)
TIGHTEST
TOLERANCE
50 to 10K
25 to < 50
10 to < 25
5 to < 10
± 0.01 %
± 0.02 %
± 0.05 %
± 0.1 %
TYPICAL
TCR (2)
±2
±2
±2
±2
MAXIMUM
TCR (2)
± 5 ppm/°C
± 7 ppm/°C
± 10 ppm/°C
± 13 ppm/°C
weight = 1 g maximum
Notes
(1) Lower or high values available upon request
(2) - 55 °C to + 125 °C, + 25 °C ref.
FEATURES
• Temperature coefficient of resistance (TCR):
± 2 ppm/°C typical (- 55 °C to + 125 °C,
+ 25 °C ref.)
• Tolerance: to ± 0.01 % (see tables 1 and 2)
• Electrostatic discharge (ESD): above 25 000
V
• Load life stability: ± 0.005 % (25 °C, 2000 h at rated power)
• Resistance range: 0.5 Ω to 10 kΩ
• Power rating: 8 W chassis mounted (per MIL-PRF-39009)
• Non-inductive, non-capacitive design
• Rise time: 1 ns without ringing
• Current noise: < - 40 dB
• Voltage coefficient: < 0.1 ppm/V
• Non inductive: < 0.08 µH
• Non hot spot design
• Thermal EMF: 0.05 µV/°C typical
• Terminal finishes available: lead (Pb)-free or tin/lead alloy
• Any value available within resistance range (e.g. 1K234)
• Prototype samples available from 48 h. For more
information, please contact [email protected]
• For better performances, please see VPR220Z and
VPR221Z datasheets
• Compliant to RoHS directive 2002/95/EC
R
II
I1 E1
E2 I2
V
FIGURE 1 - POWER DERATING CURVE
TABLE 2 - VPR221
RESISTANCE
RANGE (Ω) (1)
10 to < 500
1 to < 10
0.5 to < 1
TIGHTEST
TOLERANCE
± 0.01 %
± 0.02 %
± 0.05 %
TYPICAL
TCR (2)
± 2 ppm/°C
± 2 ppm/°C
± 2 ppm/°C
MAXIMUM
TCR (2)
± 5 ppm/°C
± 5 ppm/°C
± 5 ppm/°C
weight = 1.2 g maximum
Notes
(1) Lower or high values available upon request
(2) - 55 °C to + 125 °C, + 25 °C Ref.
+ 100 - 55 °C
+ 75
+ 50
+ 25
0
- 50
- 25
0
+ 25
+ 50
+ 75
Ambient Temperature (°C)
+ 100
+ 125
+ 150
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63012
Revision: 23-Mar-10
For any questions, contact: [email protected]
www.foilresistors.com
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet VPR220.PDF ] | |
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