(626) 284-9901
[email protected]
Riedon.com
  • Home
  • Cross Reference
  • Technical Information
  • How To Buy
  • FAQs
  • Contact Us
  • Custom Resistors
(626) 284-9901 mobile menu link
  • Home
  • Cross Reference
  • Technical Information
  • How To Buy
  • FAQs
  • Contact Us
  • About Us
  • Custom Resistor
Happy New 2021! We wish you, our valued customer, prosperity and a healthy new year.

Precision Shunt Resistors

FHR 2-3025 3818

FHR 4-3825 3825H 4618 Series

Precision Shunt Resistors

pdf
FHR4-3825.jpg
  • Resistance from 0.001 Ohm to 100 Ohms
  • Power Rating to 50 Watts
  • Resistance Tolerances to ±0.1%
  • TCR to ±10ppm/K
  • Very Low Inductance
Type FHR 2-3025
FHR 2-3818
FHR 4-3825
FHR 4-3825H
FHR 4-4618
Resistance Range 0.01 to 100 Ohms 0.001 to 100 Ohms
Power Rating
free air 70°C
for 3825H
with heatsink

3 W

40 W

3 W
5 W
50 W
Thermal Resistance Rthj-c 2.0 K/W 1.6 K/W
Tolerances
from 0R001
from 0R005
from 0R01
from 0R02




0.5% / 1% / 2% / 5%
0.25% / 0.5% / 1% / 2% / 5%


1% / 2% / 5%
0.5% / 1% / 2% / 5%
0.1% / 0.25% / 0.5% / 1% / 2% / 5%
0.1% / 0.25% / 0.5% / 1% / 2% / 5%
Stability 0.1% / 0.2% / 0.5%
(depends on stress)
Temperature Coefficient
Standard


Option 1
±15ppm/K (20 to 60°C)
R ≤ 0R2 TCR (see Table A)



±15ppm/K (20 to 60°C)
R ≤ 0R2 TCR (see Table A)

±10ppm/K (20 to 60°C)
(Consult Factory)
Max. Current 150 A / 200 A for contact F
Voltage Proof 500 VDC
Thermal EMF < 0.1µV/K
Operating Temperature Range -40 to 130°C
Resistor Material CuNiMn-Foil
Substrate anodized aluminum

Housing

Epoxy

Connector Material

Cu tinned

Terminals

2 4

Max. torque

1 Nm

 pdfSee PDF Datasheet for Full Specifications

Request Samples

Featured
Products

Launching June 2020
#GameChanger

Riedon
News

  • DC Shunt Manufacturers
  • Article Published About Riedon in Elektronik Praxis (Germany)
  • Bill Heintz announced as new General Manager
  • The LEAP (Leadership in Engineering Achievement Program)
  • KRL Acquisition brings new products to the Riedon Product Portfolio

White Paper
Download


Taking Advantage of TCR for Simple, Accurate Heating




Download Our White Paper

Riedon
Brochure





Download Our Brochure

Riedon
Guide to Resistors

[email protected]



Copyright © 2021 Riedon

Follow Riedon on Twitter
Follow Riedon on Google+
Follow Riedon on YouTube
Follow Riedon on Facebook
Cross Reference |  Technical Information |   How To Buy |   Contact Us |   About Us |  Custom Designed Resistors |