E G4 NPRNPS2 T220T221

NPR 2-T220/T221 NPS 2-T220
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High Power Rating
Small Dimensions
Easy to use
Low Inductance
TO220-Housing
SMD Version available
SPECIFICATIONS
ELECTRICAL
Resistor Range
:
0R02 ... 100K
Power Rating
:
1.5 W (70°C)
30 W with heatsink
Tolerances
from 0R02
from 1R0
Thermal Resistance Rthj-c
Stability
Temperatur Coefficient
0R02...0R049
0R05...0R099
0R1...100K
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:
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Voltage Proof
:
2%, 5%
1%, 2%, 5%
3.5 K/W
0.5%
±600 ppm/K
±300 ppm/K
±100 ppm/K
±50 ppm/K upon request
2.0 kVDC
Max. Voltage
m ax. w orking voltage (V)
10000
1000
100
10
1
2 Ohm
10 Ohm
100 Ohm
1 kOhm
5 kOhm
10 kOhm 100 kOhm
ENVIRONMENTAL
Operating Temperature Range
:
-40°C...155°C
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:
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Thick Film
Al2O3
Epoxy or PPS
Cu tinned
1 Nm / T221: 0.8 Nm
MECHANICAL
Resistor Material
Substrate
Housing
Connector Material
Max. Torque backplate
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk
NPR 2-T220/T221 NPS 2-T220
DERATING CURVE
Power ( % from
nominal power)
120
100
80
60
40
20
0
25
50
85
100
115
130
145
155
Temperature of the backplate (°C)
DIMENSIONS
NPR 2-T220
NPR2-T220X upon request possible
(Version with longer leads)
25W with heatsink
NPR 2-T221
NPS 2-T220
Dimensions in mm
HOW TO ORDER
NPR 2-T220 22K 1%
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk