USR2-0710_13 Datasheet, PDF (1/2 Pages) Riedon Powertron – Precision Foil Resistors

USR UNR 2-0710
Precision Foil Resistors
Type
Resistance Range
Power rating (70°C)
Tolerances
from 1.0 Ohms
from 5.0 Ohms
from 12.0 Ohms
from 25.0 Ohms
from 50.0 Ohms
Stability
Shelf Life Stability
Temperature Coefficient
Insolation Resistance
Thermal EMF
Operating Temperature Range
Resistor Material
Substrate
Housing
Connector Material
Terminals
Notes
• Resistances from 1Ohm to 300kOhms
• Power Rating to 0.6Watt
• Resistance Tolerances to ±0.005%
• TCR to ±1ppm/K
• Load Stability to 0.01%
SPECIFICATIONS
USR 2-0710
1.0 Ohms to 4.99 kOhms
5.0 kOhms to 300 kOhms
0.4W
(0.6W upon request)
0.6W
UNR 2-0710
1.0 Ohms to 5.0 kOhms
0.4W
0.1% / 0.25% / 0.5% / 1%
0.05% / 0.1% / 0.25% / 0.5% / 1%
0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%
0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%
0.005% / 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%
0.01%
25ppm / ∆R after 1 year
50ppm / ∆R after 3 year
max. ±5ppm/K (-55 to 155°C)
typ. ±3ppm/K (-55 to 125°C)
upon request ±1ppm/K (0 to 60°C)
and ±1ppm/K (-55 to 125°C)
> 10GOhm
< 0.1µV/K
-55 to 155°C
NiCr-Foil
Al₂O₃
AlN
PBTP / Epoxy
Cu tinned
2
Specially designed for ap-
plications with fast changing
electrical load
Ordering Information
Part Description: Part Type - Resistance - Contact -
Grid Type - Tolerance - TCR
Example: UNR 2-0710 3.7Ohms J 0.5% 1ppm
Grid (E) 3.81mm (0.15inches) = D
Grid (E) 5.08mm (0.2inches) = J
Riedon Inc.
300 Cypress Avenue Alhambra CA 91801
[phone]
[phone]
www.riedon.com

06/13