Alpha FLC Series

  • Alpha Electronics

Product Features

  • High precision resistor
  • Conformally coated through-hole design
  • Resistance range from 1Ω to 200kΩ
  • Tolerance from ±0.01% to ±1%
  • TCR of ±2.5 ppm/°C or ±5 ppm/°C
  • Power rating of 0.25W (at +70°C)
  • Temperature Range from -25°C up to +155°C

Applications

  • Test and Measurement
  • Compliant

Description

The FLC high precision through-hole resistor series from Alpha Electronics offers a very precise resistor with a resistance range from 1Ω up to 200kΩ all in a small through-hole package. The terminals have been designed for easy insertion into the PCB. By utilising Alpha’s Bulk Metal® 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 1Ω and 200kΩ
  • Tolerance as low as ±0.01%
  • TCR of ±2.5 ppm/°C or ±5 ppm/°C
  • Temperature range from -25°C up to +155°C
  • Maximum working voltage of 300V
  • Power rating of 0.25W (at +70°C)
  • Pin pitch of 5.08mm ±0.25mm

 

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

  • Sceintific instrumentation
  • Test & Measurement equipment

Alpha Electronics FLC Series Specification Table

AttributesValue
Resistance value1Ω to 200kΩ
Tolerance±0.01% to ±1%
TCR±2.5ppm/°C to ±15ppm/°C (-25 to +125°C)
Temperature range-25°C to +155°C
Power rating (at +70°C)0.25W
Maximum voltage300V

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 Metal® Foil technology resistors. Alpha Electronics has been living the conviction globally known to engineers for consistently delivering the highly desirable characteristics of “Stability, Accuracy and Reliability”. Please visit https://www.alpha-elec.co.jp for more information.

Specifications

Dimensions 7.50 × 2.20 × 6.20 mm
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Alpha FLC Series Resources

Product Datasheet

Supporting Product Information

Supporting Manufacturer Information

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 FLC Series Ordering Info

The FLC 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 FLC resistor series:

alpha_flc_order_code

Alpha Electronics FLC Series – Standard Stocked Parts


Resistance Value Part Number Value 0.1% Tolerance 2.5 ppm/°C
30Ω 30R000
50Ω 50R000
90Ω 90R000
100Ω 100R00
120Ω 120R00
150Ω 150R00
200Ω 200R00
250Ω 250R00
300Ω 300R00
350Ω 350R00
400Ω 400R00
500Ω 500R00
600Ω 600R00
800Ω 800R00
900Ω 900R00
1kΩ 1K0000
2kΩ 2K0000
2.2kΩ 2K2000
3kΩ 3K0000
4kΩ 4K0000
5kΩ 5K0000
6kΩ 6K0000
7kΩ 7K0000
8kΩ 8K0000
9kΩ 9K0000
10kΩ 10K000
15kΩ 15K000
20kΩ 20K000
22kΩ 22K000
25kΩ 25K000
40kΩ 40K000
50kΩ 50K000
60kΩ 60K000
70kΩ 70K000
80kΩ 80K000
90kΩ 90K000
100kΩ 100K00

Alpha FLC Series

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