USR2-0808 Datasheet, PDF (1/2 Pages) Riedon Powertron – Precision Foil Resistors

USR 2-0808 /1510 /2110 /3010
Precision Foil Resistors
• Resistances from 1Ohm to 1MOhms
• Power Rating to 2Watt
• Resistance Tolerances to ±0.005%
• TCR to ±1ppm/K
• Load Stability to 0.01%
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 100.0 Ohms
Stability
Shelf Life Stability
Temperature Coefficient
Insolation Resistance
Thermal EMF
Operating Temperature Range
Resistor Material
Substrate
Housing
Connector Material
Terminals
SPECIFICATIONS
USR 2-0808
1.0 to 300 kOhms
0.6W (<100 kOhms)
0.4 (>100 kOhms)
USR 2-1510
1.0 to 300 kOhms
1.0W (<200 kOhms)
0.6 (>200 kOhms)
USR 2-2110
1.0 to 500 kOhms
1.5W (<300 kOhms)
0.8 (>300 kOhms)
USR 2-3010
1.0 to 1 MOhms
2.0W (<400 kOhms)
1.0 (>400 kOhms)
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
PBTP / Epoxy
Cu tinned
2
Derating
120
100
80
60
40
20
0
50 70 85 100 115 130 145 155
Ambient Temperature (°C)
Ordering Information
Part Number - Resistance - Tolerance - TCR
USR 2-2110 478kOhms 0.1% 5ppm
only 0808:
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
Page 116
rev. 03/2006A