UNS4-T220
UNS4-T220 is Highest Stability Near Temperature Independent manufactured by Willow Technologies.
USR UNR 4-T220 4-T220B 4-T221 USS UNS 4-T220
- Near Temperature Independent
- Lowest Tolerances
- Low Capacitance and Inductance
- High Power
- Available also 2-pin version
SPECIFICATIONS ELEKTRICAL
Resistance range Nominal power : :
- Highest Stability
USR 4-T220
0R2...80R
UNR 4-T220 note1)
0R2...80R
Thermal Resistance Rthj-c : Tolerances : from 0R5 : from 10R : from 50R : Stability : Temperature coefficient :
1.5 W (70°C) without heatsink 10 W- 15 W-
- with heatsink 10.8 K/W 6.8 K/W 0.1%, 0.25%, 0.5%, 1% 0.05%, 0.1%, 0.25%, 0.5%, 1% 0.01%, 0.02%, 0.05%, 0.1%, 0.25%, 0.5%, 1% 0.01% max. ±5 ppm/K (-55...155)°C typ. ±3 ppm/K (-55...125)°C upon request ±1 ppm/K (0...60)°C 1 kVDC < 1...
