• TokenChina Ultra High Precision Low TCR Resistors UAR Series meets ROHS requirements.
  • Moulding Type
  • High precision
  • High reliability
  • Excellent stability
  • Low temperature coefficient TCR.
  • Covers all general type resistors
precision low TCR resistors
Precision Resistor 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
Dimensions
(mm)
L±0.3 14.8 10.0 6.8
D±0.3 5.2 3.7 2.5
A±0.05 0.6 0.6 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
UAR1/8 100R B C6 P
Product type Resistance Value
(Ω)
Resistance Tolerance (%) Temperature
coefficient (PPM/°C)
Packaging
UAR1/4
UAR1/8
UAR1/10
500.0 ~ 1.0M
100.0 ~ 1.0M
100.0 ~ 1.0M
A2(±0.02)
A5(±0.05)
B(±0.10)
C(±0.25)
D(±0.5)
F(±1.0)
C9 ( ±3 )
C7 ( ±5 )
C6 ( ±10 )
C5 ( ±15 )
P (Bulk)


To Top Page TokenChina Passive Components
Taiwan Tel:+886-2-29810109 Fax:+886-2-29887487
China Tel:+86-755-26055363 Fax:+86-755-26055365