USR 2-0808
Precision Foil Resistors
• Resistances from 1Ohm to 150kOhms
• Power Rating to 0.6 Watts
• Resistance Tolerances to ±0.005%
• TCR to ±1ppm/°C
• Load Stability to 0.01%
SPECIFICATIONS
Type
USR 2-0808
Resistance Range
1.0 to 150 kOhms
0.6W (<100 kOhms)
0.4W (>100 kOhms)
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
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%
Stability
0.01%
25ppm / ∆R after 1 year
50ppm / ∆R after 3 year
Shelf Life Stability
max. ±5ppm/°C (-55 to 155°C)
typ. ±3ppm/°C (-55 to 125°C)
upon request ±1ppm/°C (0 to 60°C)
and ±1ppm/°C (-55 to 125°C)
Temperature Coefficient
Insolation Resistance
Thermal EMF
> 10GOhm
< 0.1µV/°C
-55 to 155°C
NiCr-Foil
Al2O3
Operating Temperature Range
Resistor Material
Substrate
Housing
PBTP / Epoxy
Cu tinned
2
Connector Material
Terminals
Ordering Information
Grid D = 3.81mm (0.15inches) Lead Spacing
Grid J = 5.08mm (0.2inches) Lead Spacing
If none specified, Grid D is default
Part Description: Part Type - Resistance - Grid Type -
Tolerance - TCR
Example: USR 2-0808 150 kOhms D 0.1% 5ppm
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
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