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high precision resistors mold type - uar series

high precision resistors mold type - uar series

technical characteristics
type uar1/4 uar1/8 uar1/10
power rating at 85°c (w) 0.33 0.25 0.125
max. working voltage (v) 300 300 300
resistance range (Ω ) 500.0~1.0m 100.0~1.0m 100.0~1.0m
precision resistors,ppm
dimensions (mm)
l±0.3 14.8 10.0 6.8
d±0.3 5.2 3.7 2.5
a±0.05 0.60 0.60 0.6

specification
tolerance: ±0.02, ±0.05, ±0.10, ±0.25, ±0.5, ±1.0%
temp. coefficient: ±3, ±5, ±10, ±15ppm/°c
standard temperature characteristic: +25 to 85 °c
on request: -10 to +85 °c
noise: less than 0.05 μv/v
voltage coefficient: less than 0.02 ppm/v
non linearity (3. harm): more than (-100)db
inductivity: ≤1mhz
thermal voltage to copper: 1 ~ 3 μv/°c
isolations resistance: 1010Ω

tests according mil std 202
temperature cycling: 0.02%
low temp. operation: 0.013%
short time overload: 0.01%
dielectric strength: 0.01%
load life: 0.04%
resistance to soldering heat: 0.012%
moisture test: 0.050%
shock-and vibrations test: 0.015%

how to order
uar1/80.25w210rbc6p
123456
1 part number
part number
uar1/4
uar1/8
uar1/10
3 resistance value (Ω)
coderesistance value (Ω)
210r210Ω
2k12.1kΩ
21k21kΩ
5 temperature coefficient (ppm/°c)
codetemperature coefficient (ppm/°c)
c9±3ppm/°c
c7±5ppm/°c
c6±10ppm/°c
c5±15ppm/°c
2 rated power (w)
part numberrated power (w)
uar1/40.33w
uar1/80.25w
uar1/100.125w
4 resistance tolerance (%)
coderesistance tolerance (%)
a2±0.02%
a5±0.05%
b±0.10%
c±0.25%
d±0.50%
f±1.00%
6 package : p bulk