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NHS2-T220 [RIEDON]

Power Resistors; 功率电阻
NHS2-T220
型号： NHS2-T220
厂家： RIEDON POWERTRON    RIEDON POWERTRON
描述：

Power Resistors
功率电阻
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NPR NPS 2-T220 T221  
NHR NHS 2-T220 T221  
PowerꢀResistors  
• 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  
Type  
NPR / NPS  
NHR / NHS  
ResistanceꢀRange  
0.02ꢀOhmsꢀtoꢀ100kOhms  
0.02ꢀOhmsꢀtoꢀ15kOhms  
Powerꢀrating  
ꢀ
ꢀ
freeꢀairꢀ70°C  
withꢀheatsink  
1.5ꢀW  
30ꢀW  
1.5ꢀW  
50ꢀW  
ThermalꢀResistanceꢀRthj-c  
3.5ꢀK/W  
2.1ꢀK/W  
Tolerances  
ꢀ
ꢀ
fromꢀ0.02ꢀOhms  
fromꢀ1.0ꢀOhms  
2%ꢀ/ꢀ5%  
1%ꢀ/ꢀ2%ꢀ/ꢀ5%  
Stability  
0.5%  
Temperature Coefficient  
ꢀ
ꢀ
ꢀ
0.02ꢀtoꢀ0.049ꢀOhms  
0.05ꢀtoꢀ0.099ꢀOhms  
0.1ꢀOhmsꢀtoꢀ100ꢀkOhms  
±600ꢀppm/K  
±300ꢀppm/K  
±100ꢀppm/K  
uponꢀrequestꢀ±50ꢀppm/K  
VoltageꢀProof  
2.0ꢀkVDC  
1.5ꢀkVDC  
Max.ꢀVoltage  
dependingꢀonꢀresistanceꢀvalue  
10000  
1000  
100  
10  
1
2 Ohm  
10 Ohm 100 Ohm 1 kOhm  
5 kOhm 10 kOhm 100 kOhm  
OperatingꢀTemperatureꢀRange  
ResistorꢀMaterial  
Substrate  
-40ꢀtoꢀ155°C  
ThickꢀFilm  
Al2O3  
Housing  
EpoxyꢀorꢀPPS  
Cuꢀtinned  
2
ConnectorꢀMaterial  
Terminals  
Max.ꢀTorque  
T220:ꢀ1ꢀNm  
T221:ꢀ0.8ꢀNm  
Ordering Information  
PartꢀNumberꢀ-ꢀResistanceꢀ-ꢀContactꢀ-ꢀTolerance  
NHRꢀ2-T221ꢀCꢀ1.1ꢀkOhmsꢀ1%  
Riedon Inc.ꢀ  
ꢀ
ꢀ
300ꢀCypressꢀAvenueꢀ  
ꢀ
ꢀ
AlhambraꢀCAꢀ91801ꢀ  
www.riedon.com  
ꢀ(626)ꢀ284-9901ꢀ  
ꢀ(626)ꢀ284-1704  
Pageꢀ80  
ꢀ
ꢀ
ꢀ
ꢀ
rev.ꢀ03/2006A  
NPRꢀNPS 2-T220ꢀT221  
NHRꢀNHSꢀ2-T220ꢀT221  
PowerꢀResistors  
SPECIFICATIONS (continued)  
Temperature Coefficient  
100ppm/K  
50ppm/K  
7000  
2000  
-3000  
-8000  
-50  
-25  
0
25  
50  
75  
100  
125  
Temperatureꢀ(°C)  
Derating  
PowerꢀRatingꢀNotesꢀ-  
120  
100  
80  
60  
40  
20  
0
TheꢀNPRꢀ/ꢀNHRꢀSeriesꢀResistorsꢀmustꢀbeꢀattachedꢀtoꢀaꢀsuitableꢀ  
heatsink.ꢀTheꢀmaximumꢀinternalꢀresistorꢀtemperatureꢀisꢀ155°C.  
Toꢀspecifyꢀanꢀappropriateꢀheatsinkꢀuseꢀtheꢀfollowingꢀformulaꢀ:  
RqHꢀ=ꢀTMAXꢀ-ꢀ(ꢀPꢀxꢀRqRꢀ)ꢀ-ꢀTA  
ꢀꢀꢀꢀꢀꢀꢀꢀꢀP  
Where:ꢀ RqHꢀ=ꢀThermalꢀResistanceꢀofꢀHeatsinkꢀ(ꢀK/Wꢀ)  
ꢀ
ꢀ
ꢀ
ꢀ
RqRꢀ=ꢀThermalꢀResistanceꢀofꢀResistorꢀ(ꢀK/Wꢀ)  
TMAXꢀ=ꢀMaximumꢀTemperatureꢀofꢀResistor  
TAꢀ=ꢀAmbientꢀTemperatureꢀofꢀHeatsinkꢀ(ꢀ°Cꢀ)  
Pꢀ=ꢀPowerꢀThroughꢀResistorꢀ(ꢀWꢀ)  
25  
50  
85  
100  
115  
130  
145  
155  
Temperature of the backplate (°C)  
Dimensions  
NPSꢀ/ꢀNHSꢀ2-T220  
tol.  
tol.  
Dimension  
mm  
12.70  
10.16  
0.76  
(±mm)  
inches  
(±inches)  
0.008  
0.008  
0.004  
0.004  
0.004  
0.004  
0.008  
0.008  
0.008  
0.004  
0.004  
Dimension  
mm  
12.10  
11.16  
18.33  
5.08  
inches  
0.476  
0.439  
0.722  
0.200  
0.069  
0.126  
A
B
C
D
E
F
G
H
I
0.2  
0.2  
0.1  
0.1  
0.1  
0.1  
0.2  
0.2  
0.2  
0.1  
0.1  
0.50  
0.40  
0.03  
0.20  
0.16  
0.05  
0.57  
0.59  
0.68  
0.02  
0.07  
A
B
C
D
E
F
5.08  
4.00  
1.76  
1.20  
3.20  
14.60  
15.00  
17.33  
0.40  
J
K
1.85  
Riedon Inc.ꢀ  
ꢀ
ꢀ
300ꢀCypressꢀAvenueꢀ  
ꢀ
ꢀ
AlhambraꢀCAꢀ91801ꢀ  
www.riedon.com  
ꢀ(626)ꢀ284-9901ꢀ  
ꢀ(626)ꢀ284-1704  
Pageꢀ81  
ꢀ
ꢀ
ꢀ
ꢀ
rev.ꢀ03/2006A  
NPRꢀNPS 2-T220ꢀT221  
NHRꢀNHSꢀ2-T220ꢀT221  
PowerꢀResistors  
SPECIFICATIONS (continued)  
NPRꢀ/ꢀNHRꢀ2-T220  
tol.  
tol.  
Dimension  
mm  
17.30  
10.16  
6.00  
Ø3.7  
16.40  
5.08  
0.76  
1.30  
13.80  
2.00  
1.20  
4.00  
2.90  
0.40  
1.85  
(±mm)  
inches  
0.68  
0.40  
0.24  
Ø0.146  
0.65  
0.20  
0.03  
0.05  
0.54  
0.08  
0.05  
0.16  
0.11  
(±inches)  
A
B
C
D
E
F
G
H
I
0.2  
0.2  
0.1  
0.1  
0.2  
0.1  
0.1  
0.1  
0.2  
0.1  
0.1  
0.1  
0.1  
0.1  
0.1  
0.008  
0.008  
0.004  
0.004  
0.008  
0.004  
0.004  
0.004  
0.008  
0.004  
0.004  
0.004  
0.004  
0.004  
0.004  
J
K
L
M
N
O
0.02  
0.07  
NPRꢀ/ꢀNHRꢀ2-T221  
tol.  
tol.  
Dimension  
mm  
18.30  
10.16  
3.70  
Ø3.2  
16.40  
5.08  
0.76  
1.30  
13.80  
2.00  
1.20  
4.00  
3.90  
0.40  
1.85  
(±mm)  
inches  
0.72  
0.40  
0.15  
Ø0.126  
0.65  
0.20  
0.03  
0.05  
0.54  
0.08  
0.05  
0.16  
0.15  
0.02  
0.07  
(±inches)  
A
B
C
D
E
F
G
H
I
0.2  
0.2  
0.1  
0.1  
0.2  
0.1  
0.1  
0.1  
0.2  
0.1  
0.1  
0.1  
0.1  
0.1  
0.1  
0.008  
0.008  
0.004  
0.004  
0.008  
0.004  
0.004  
0.004  
0.008  
0.004  
0.004  
0.004  
0.004  
0.004  
0.004  
J
K
L
M
N
O
Riedon Inc.ꢀ  
ꢀ
ꢀ
300ꢀCypressꢀAvenueꢀ  
ꢀ
ꢀ
AlhambraꢀCAꢀ91801ꢀ  
www.riedon.com  
ꢀ(626)ꢀ284-9901ꢀ  
ꢀ(626)ꢀ284-1704  
Pageꢀ82  
ꢀ
ꢀ
ꢀ
ꢀ
rev.ꢀ03/2006A  

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