Vishay Foil Resistors FRSM2010 Series

Vishay Foil Resistors FRSM2010 Series

The FRSM ultra high precision resistor series from Vishay Foil Resistors offers a resistance range between 5Ω and 70kΩ, all in a small 2010 surface-mount package with wrap-around terminations. These resistors utilise Vishay Foil Resistor's newest Z-1 Bulk Metal® foil resistor technology for improved load life stability (up to 25ppm) and higher working temperatures (balanced temperature characteristics over a range from -55°C to more than 175°C). They have nominal temperature coefficients of resistance of ±0.05ppm/°C typical between 0°C to +60°C and ±0.2ppm/°C typical between -55°C to +125°C (+25°C reference) with tolerances available down to ±0.01% between 250Ω and 70kΩ.

  • Ultra high precision wrap-around bulk foil chip resistor
  • Available in any resistance between 5Ω and 70kΩ
  • 2010 package
  • Tolerances as low as ±0.01% over the resistance range of 250Ω up to 70kΩ
  • TCR as low as ±0.2ppm/°C between -55° and +125°C, +25°C ref.
  • Voltage rating 187V
  • Power rating of 0.5W at +70°C
  • Load life stability of 25ppm typical at 70°C, 2000h at rated power (50 ppm typical at 70°C, 10000h at rated power)
  • Thermal stabilization time <1s (nominal value achieved within 10ppm of steady state value)
  • Electrostatic discharge (EDS) of at least to 25kV
  • Short time overload of ≤0.005% typical
  • Rise time as low as 1ns, effectively no ringing
  • Current noise of <0.010µVRMS/V of applied voltage (<-40dB)
  • Non-hot spot design
  • Terminal finishes available: lead (Pb) free, tin/lead alloy

The FRSM Z1 ultra high precision resistor series is also available as EEE-INST-002 compliant for space use. Please see the separate FRSM EEE (space qualified) product pages for further information.

Non-standard technical requirements such as resistance outside of standard range, lower tolerance or TCR are available upon request. Please contact us for further information and availability.

The below table gives full specifications for each resistor model available including the FRSM2010 series:

FRSM Z-1 resistors` Specifications

(1) For tighter TCR and/or resistance values up to 150k, please contact Application Engineering.

Specifications
Additional Features
  • Ultra high precision FRSM wrap-around chip resistor
  • 2010 package size
  • Voltage rating of 187V
  • Excellent stability, noise and ESD withstanding properties
  • Non-inductive: 0.08µH
  • Available with lead(Pb) free or tin/lead alloy terminations
Maximum Power Rating
  • 0.5W (at +70°C)
Maximum Resistance
  • 70kΩ
Minimum Resistance
TCR
  • ±0.05ppm/°C typical (0°C to +60°C)
  • ±0.2ppm/°C typical (-55°C to +125°C, +25°C ref.)
Tolerance 5Ω up to 10Ω
  • ±0.50% (D)
  • ±1.00% (F)
10Ω up to 25Ω
  • ±0.25% (C)
  • ±0.50% (D)
  • ±1.00% (F)
25Ω up to 50Ω
  • ±0.10% (B)
  • ±0.25% (C)
  • ±0.50% (D)
  • ±1.00% (F)
50Ω up to 100Ω
  • ±0.05% (A)
  • ±0.10% (B)
  • ±0.25% (C)
  • ±0.50% (D)
  • ±1.00% (F)
100Ω up to 250Ω
  • ±0.02% (Q)
  • ±0.05% (A)
  • ±0.10% (B)
  • ±0.25% (C)
  • ±0.50% (D)
  • ±1.00% (F)
250Ω up to 70kΩ
  • ±0.01% (T)
  • ±0.02% (Q)
  • ±0.05% (A)
  • ±0.10% (B)
  • ±0.25% (C)
  • ±0.50% (D)
  • ±1.00% (F)

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:

 

 

DOCUMENTATION
PDF Document Vishay Foil Resistors FRSM ultra high precision resistor series datasheet
PDF Document Vishay Foil Resistors design and selector guide for high precision resistors
PDF Document Vishay Foil Resistors Bulk Metal® foil high-precision resistors product overview
PDF Document Vishay Foil Resistors qualified high-precision resistors for Avionics, Military and Space
PDF Document VPG Foil Resistors

 

 

VIDEOS
Bulk Metal® Foil Resistors

Bulk Metal® Foil resistors, developed by Dr. Felix Zandman in 1962, are the gold standard for the electronic industry. With essentially zero TCR, zero PCR and extremely robust construction, they are the logical choice for all applications requiring unquestioned reliability and stability.
Resistor Stability Put to the Test (Demo Video)

In this video, host Richard Zuratt from VPG puts the stability of the three major resistor technologies — foil, thin, and thick film — to the test. Each resistor type is subjected to an overload pulse and its change in resistance value is recorded. Due to the homogeneous nature of the VPG Bulk Metal® Foil resistor, it is the only of the three to experience no change from the high power pulse. This demonstrated performance makes foil resistors the technology of choice for critical applications where long-term stability and survivability are paramount.
A head to head comparison of the survival rates of precision thin film nichrome (NiCr) resistors versus VFR Bulk Metal Foil resistors in a high humidity environment.

All resistors that are based on nichrome, which is a category that includes both thin film devices and Bulk Metal Foil resistors, are susceptible to electro-chemical corrosion or etching when placed in a high humidity environment and powered with a very low wattage. But since the nichrome element of a Bulk Metal Foil resistor is hundreds of times thicker than the element in a thin film device with the same value, it will last much longer under these conditions. This video shows the actual etching process and survival times for thin film and foil nichrome resistive elements as they are tested in 100% humidity conditions.
VIDEOS
Bulk Metal® Foil Resistors

Bulk Metal® Foil resistors, developed by Dr. Felix Zandman in 1962, are the gold standard for the electronic industry. With essentially zero TCR, zero PCR and extremely robust construction, they are the logical choice for all applications requiring unquestioned reliability and stability.
Resistor Stability Put to the Test (Demo Video)

In this video, host Richard Zuratt from VPG puts the stability of the three major resistor technologies — foil, thin, and thick film — to the test. Each resistor type is subjected to an overload pulse and its change in resistance value is recorded. Due to the homogeneous nature of the VPG Bulk Metal® Foil resistor, it is the only of the three to experience no change from the high power pulse. This demonstrated performance makes foil resistors the technology of choice for critical applications where long-term stability and survivability are paramount.
A head to head comparison of the survival rates of precision thin film nichrome (NiCr) resistors versus VFR Bulk Metal Foil resistors in a high humidity environment.

All resistors that are based on nichrome, which is a category that includes both thin film devices and Bulk Metal Foil resistors, are susceptible to electro-chemical corrosion or etching when placed in a high humidity environment and powered with a very low wattage. But since the nichrome element of a Bulk Metal Foil resistor is hundreds of times thicker than the element in a thin film device with the same value, it will last much longer under these conditions. This video shows the actual etching process and survival times for thin film and foil nichrome resistive elements as they are tested in 100% humidity conditions.

This product is available fully compliant to the RoHS EU directive 2011/65/EU, however, Non-RoHS compliant options are available.

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