NPR NPS 2-T220 T221
NHR NHS 2-T220 T221
Power Resistors
Type
Resistance Range
Power rating
free air 70°C
with heatsink
Thermal Resistance Rthj-c
Tolerances
from 0.02 Ohms
from 1.0 Ohms
Stability
Temperature Coefficient
0.02 to 0.049 Ohms
0.05 to 0.099 Ohms
0.1 Ohms to 100 kOhms
Voltage Proof
Max. Voltage
depending on resistance value
Operating Temperature Range
Resistor Material
Substrate
Housing
Connector Material
Terminals
Max. Torque
Part Number - Resistance - Contact - Tolerance
NHR 2-T221 C 1.1 kOhms 1%
Riedon Inc.
300 Cypress Avenue
•
Resistances from 0.02Ohm to 100kOhms
•
Power Rating to 50Watt
•
Resistance Tolerances to ±1%
•
TCR to ±50ppm/K
•
Load Stability to 0.5%
•
TO-220 Housing
•
Convenient SMD D2Pak Available
SPECIFICATIONS
NPR / NPS
0.02 Ohms to 100kOhms
1.5 W
30 W
3.5 K/W
2% / 5%
1% / 2% / 5%
±600 ppm/K
±300 ppm/K
±100 ppm/K
upon request ±50 ppm/K
2.0 kVDC
10000
1000
100
10
1
2 Ohm
10 Ohm
100 Ohm
-40 to 155°C
Epoxy or PPS
T220: 1 Nm
T221: 0.8 Nm
Ordering Information
Alhambra CA 91801
www.riedon.com
NHR / NHS
0.02 Ohms to 15kOhms
1.5 W
50 W
2.1 K/W
0.5%
1.5 kVDC
1 kOhm
5 kOhm
10 kOhm 100 kOhm
Thick Film
Al
O
2
3
Cu tinned
2
(626) 284-9901
(626) 284-1704
Page 80
rev. 03/2006A