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VPR220

Vishay
Part Number VPR220
Manufacturer Vishay
Description Foil Power Resistors
Published May 6, 2015
Detailed Description VPR220, VPR221 Vishay Foil Resistors Bulk Metal® Foil Technology Precision Foil Power Resistors in TO-220 Configuration...
Datasheet PDF File VPR220 PDF File

VPR220
VPR220

Overview
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 foil@vishaypg.
com • 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 T...


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