NPS NHS 2-T220
FEATURES
•
•
•
•
•
•
•
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
TABLE 1—SPECIFICATIONS
TYPE
Resistance Range
Power Rating
Free air 70°C
With heatsink
1.5W
30W
2% / 5%
1% / 2% / 5%
3.5 K/W
0.5%
±600 ppm/K
±300 ppm/K
±100 ppm/K
upon request ±50 ppm/K
2.0 kVDC
10000
NPS 2-T220
0.02 Ohms to 100kOhms
1.5W
50W
NHS 2-T220
0.02 Ohms to 15kOhms
Tolerances
from 0.02 Ohms
from 1.0 Ohms
Thermal Resistance
Stability (1000h)
Temperature Coefficient
0.02 to 0.049 Ohms
0.05 to 0.099 Ohms
0.1 Ohms to 100 kOhms
Voltage Proof
2.1 K/W
1.5 kVDC
max. working voltage (VDC)
1000
Max. Voltage
depending on resistance value
100
10
1
2 Ohm
10 Ohm
100 Ohm
1 kOhm
5 kOhm
10 kOhm 100 kOhm
Operating Temperature Range
Resistor Material
Substrate
Backplate
Housing
Connector Material
Soldering Profile
Terminals
-40 to 155°C
Thick Film
Al
2
O
3
Copper / Nickel-plated
PPS
Cu / tinned
lead free soldering
time above 220°C max. 90 s
max. temperature 245°C
and JEDEC-J-STD-020
2 (standard contact S)
ORDERING INFORMATION
Part Number - Resistance - Contact - Tolerance
NHS 2-T220 1K100 S 1%
Document No.: 64213
Revision: 16-06-2016
For technical questions,
contact
powertron@vpgsensors.com
www.powertron.de
1
NPS NHS 2-T220
FIGURE 1—TEMPERATURE COEFFICIENT
100ppm/K
7000
∆R/R (ppm)
50ppm/K
2000
-3000
-8000
-50
-25
0
Temperature (°C)
25
50
75
100
125
FIGURE 2—DERATING
Power Rating Notes -
120
Power ( % from
nominal power)
100
80
60
40
20
0
25
50
85
100
115
130
145
155
Temperature of the backplate (°C)
The NPS / NHS Series Resistors must be attached to a suit-
able heatsink.
The maximum internal resistor temperature is 155°C.
To specify an appropriate heatsink use the following formula :
R
qH
= T
MAX
- ( P x R
qR
) - T
A
P
Where:
R
qH
= Thermal Resistance of Heatsink ( K/W )
R
qR
= Thermal Resistance of Resistor ( K/W )
T
MAX
= Maximum Temperature of Resistor
T
A
= Ambient Temperature of Heatsink ( °C )
P = Power Through Resistor ( W )
FIGURE 3—DIMENSIONS
in mm (inches)
Dimension
A
±0.2 (±0.008)
B
±0.2 (±0.008)
C
±0.1 (±0.004)
D
±0.1 (±0.004)
E
±0.1 (±0.004)
F
±0.1 (±0.004)
G
±0.2 (±0.008)
H
±0.2 (±0.008)
I
±0.2 (±0.008)
J
±0.1 (±0.004)
K
±0.1 (±0.004)
mm
12.70 (0.50)
10.16 (0.40)
0.76 (0.03)
5.08 (0.20)
4.00 (0.16)
1.20 (0.05)
14.60 (0.57)
15.00 (0.59)
17.33 (0.68)
0.40 (0.02)
1.85 (0.07)
Dimension
A
B
C
D
E
F
mm
12.10 (0.476)
11.16 (0.439)
18.33 (0.722)
5.08 (0.200)
1.76 (0.069)
3.20 (0.126)
www.powertron.de
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For technical questions,
contact
powertron@vpgsensors.com
Document No.: 64213
Revision: 16-06-2016
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Vishay Precision Group, Inc.
Disclaimer
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not limited to, the warranty expressed therein.
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Copyright Vishay Precision Group, Inc., 2014. All rights reserved.
Document No.: 63999
Revision: 15-Jul-2014
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