Y174550R0000T9R by Vishay Precision | Surface Mount Resistors | Avnet EMEA
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Y174550R0000T9R

Vishay Precision

Res Metal Foil 2412 50 Ohm 0.01% 1/4W ±0.2ppm/°C Molded SMD T/R

Manufacturer Part #: Y174550R0000T9R

Avnet Manufacturer Part #: Y174550R0000T9R


RoHS Compliant

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Information

The SMR1DZ is an ultra high precision molded surface mountable resistor offering all the elements of precision; including low TCR, tight tolerance, long term stability, low noise, low thermal EMF, and non-measurable voltage coefficient. One of the important parameters influencing stability is the Temperature Coefficient of Resistance (TCR). Although the TCR of foil resistors is considered extremely low, this characteristic has been further refined over the years. The SMR1DZ utilizes ultra high precision Bulk Metal® Z-Foil.

The Z-Foil technology provides a significant reduction of the resistive element’s sensitivity to ambient temperature variations (TCR) and to self heating when power is applied (power coefficient).

Voltage division with tight tracking <2 ppm/°C can be achieved with two randomly selected units even with a large ratio between the two values.

Key Features

  • Temperature coefficient of resistance (TCR): ±0.2 ppm/°C typical (–55°C to +125°C, +25°C ref.)
  • Tolerance: to ±0.01%
  • Power coefficient of resistance (PCR) “∆R due to self heating": 5 ppm at rated power
  • Flexible Terminations ensure minimal stress transference from the PCB due to a difference in thermal coefficient of expansions (TCE)
  • Electrostatic discharge (ESD): at least to 25 kV
  • Load-life stability: ±0.005% (70°C, 2000 h)
  • Resistance range: 5 Ω to 80 kΩ
  • Power rating: to 600 mW at +70°C
  • Non-inductive, non-capacitive design
  • Current noise: –40 dB
  • Voltage coefficient: <0.1 ppm/V
  • Non-inductive: <0.08
  • Non hot spot design
  • Terminal finishes available: lead (Pb)-free, tin/lead alloy
  • Matched sets with TCR tacking are available upon request

Technical Attributes

Description
Value
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Operating Temperature
-55 to 175 °C
Case Style
Molded
Case Size
2412
Supplier Package
2412
Temperature Coefficient
±0.2 ppm/°C
Pin Count
2
Tolerance
0.01 %
Power Rating
0.25 W
Termination Style
J-Lead
Product Length
5.99 mm
Product Dimensions
5.99 x 3.2 x 2.49
Resistance Value
50 Ohm
Max Processing Temp
260 °C
Mounting
Surface Mount

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
UNSPSC:
32121609
UNSPSC VERSION:
V15.1101
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