Alpha FLA Series

  • Alpha Electronics

Product Features

  • High precision resistor
  • Conformally coated through-hole design
  • Resistance range from 5ฮฉ to 100kฮฉ
  • Tolerance from ยฑ0.05% to ยฑ1%
  • TCR of ยฑ2.5 ppm/ยฐC or ยฑ5 ppm/ยฐC
  • Temperature Range from -25ยฐC up to +155ยฐC
  • Power rating of 0.125W (at +70ยฐC)

Applications

The FLA high precision through-hole resistor series from Alpha Electronics offers a very precise resistor with a resistance range from 5ฮฉ up to 100kฮฉ all in a small through-hole package. The terminals have been designed for easy insertion into the PCB. By utilising Alpha’s Bulk Metalยฎ foil resistor technology, they are able to produce resistors with low-temperature coefficients and excellent long-term stability. This makes them ideal for precision measurements, also their low inductance enables use at higher frequencies.

  • Conformally coated through-hole resistor
  • Resistance values between 5ฮฉ and 100kฮฉ
  • Tolerance options as low as ยฑ0.05%
  • TCR of ยฑ2.5 ppm/ยฐC or ยฑ5 ppm/ยฐC
  • Temperature range from -25ยฐC to +155ยฐC
  • Maximum working voltage of 250V
  • Power rating of 0.125W (at +70ยฐC)
  • Pin pitch of 2.54mm ยฑ0.25mm

 

Typical applications for the FLA high precision through-hole resistor series include:

  • Sceintific instrumentation
  • Test & Measurement equipment

Alpha Electronics FLA Series Specification Table

AttributesValue
Resistance value5ฮฉ to 100kฮฉ
Toleranceยฑ0.05% to ยฑ1%
TCRยฑ2.5ppm/ยฐC or ยฑ5ppm/ยฐC (-25 to +125ยฐC)
Temperature range-25ยฐC to +155ยฐC
Power rating (at +70ยฐC)0.125W
Maximum voltage250V

Alpha Electronics are manufacturers of some of the most stable and precise resistors on the market. As part of the VPG Foil Resistors product group, the Alpha Electronics brand is globally rewarded for the accuracy and reliability of their Bulk Metalยฎ Foil technology resistors. Alpha Electronics has been living the conviction globally known to engineers for consistently delivering the highly desirable characteristics of โ€œStability, Accuracy and Reliabilityโ€. Please visit https://www.alpha-elec.co.jp for more information.

Alpha FLA Series

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Specifications

Dimensions 6.20 x 2.20 x 5.60mm
Product Type

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Resistance Value

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Maximum Resistance

100kฮฉ

Minimum Resistance

10ฮฉ

Tolerance

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Power Rating

Temperature Coefficient

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Package / Size

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Temperature Range (ยฐC)

-25 to +155ยฐC

Series / Model

Alpha FLA Series Ordering Info

The FLA resistor series is available with various options including standard resistance values and tolerances. The information below gives an example of the part numbering system used for these resistors and the standard options available.

Below is an example of the part number break down for the FLA resistor series:

alpha_fla_order_code

Alpha Electronics FLA Series – Standard Stocked Parts


Resistance Value Part Number Value 0.5% Tolerance 5 ppm/ยฐC
30ฮฉ 30R000
50ฮฉ 50R000
100ฮฉ 100R00
150ฮฉ 150R00
200ฮฉ 200R00
250ฮฉ 250R00
270ฮฉ 270R00
300ฮฉ 300R00
500ฮฉ 500R00
900ฮฉ 900R00
1kฮฉ 1K0000
2kฮฉ 2K0000
3kฮฉ 3K0000
4kฮฉ 4K0000
5kฮฉ 5K0000
8kฮฉ 8K0000
10kฮฉ 10K000
20kฮฉ 20K000

Alpha Resistor Videos

We are pleased to provide you with a range of videos, please see below for the latest content available:

 

 

VIDEOS
Place holder video for YouTube video Resistor Stability Put to the Test (Demo Video)

In this video, our host Richard Zuratt 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.

Place holder video for YouTube video Advantages of Using Bulk Metal® Foil Resistors in High-Humidity Environments

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.

Place holder video for YouTube video Comparison Testing of Chip Resistor Technologies Under High Vibration

Surface-mount resistors suffer physical stresses when exposed to high vibration or thermally unstable environments. Failure modes commonly occur in welds, solder joints, connectors, and terminations, ultimately resulting in circuit failure. In this demonstration, vibration-table-mounted boards are subjected to ±2° deflection 25 times per second and monitored for any ΔR > 0.1%. All the chip resistors failed in 2 to 12 minutes (8K to 16K cycles). But the Alpha MPP molded Bulk Metal® Z-Foil resistor with flexible terminations experienced over a million cycles with no change in resistance.

VIDEOS
Place holder video for YouTube video
Resistor Stability Put to the Test (Demo Video

In this video, our host Richard Zuratt 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.

Place holder video for YouTube video
Advantages of Using Bulk Metal® Foil Resistors in High-Humidity Environments

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.

Place holder video for YouTube video

Surface-mount resistors suffer physical stresses when exposed to high vibration or thermally unstable environments. Failure modes commonly occur in welds, solder joints, connectors, and terminations, ultimately resulting in circuit failure. In this demonstration, vibration-table-mounted boards are subjected to ±2° deflection 25 times per second and monitored for any ΔR > 0.1%. All the chip resistors failed in 2 to 12 minutes (8K to 16K cycles). But the Alpha MPP molded Bulk Metal® Z-Foil resistor with flexible terminations experienced over a million cycles with no change in resistance.

Alpha FLA Series Resources

Product Datasheet

Supporting Product Information

Supporting Manufacturer Information

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  • Alpha Electronics

Alpha FLA Series