NPS2-T126 [RIEDON]
Power SMD Resistors; 功率贴片电阻
| 型号： | NPS2-T126 |
| 厂家： | 
RIEDON POWERTRON |
| 描述： | Power SMD Resistors |
| 文件： | 总2页 (文件大小：244K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NPS 2-T126
In Stock at
DIGI-KEY
Power SMD Resistors
•ꢀ Resistances from 0.025Ohm to 10kOhms
•ꢀ Power Rating to 25Watt
•ꢀ Resistance Tolerances to ±1%
•ꢀ TCR to ±100ppm/K
•ꢀ Load Stability to 0.5%
•ꢀ TO-126 Housing (D-Pak)
•ꢀ SolderꢀReflowꢀSecureꢀatꢀ260°Cꢀ/ꢀ20s
SPECIFICATIONS
Type
NPS 2-T126
Terminals
2
Resistance Range
0.025 to 0.049Ohms
0.05 to 0.099Ohms
25 W
0.1 to 0.99Ohms
1Ohms to 10kOhms
Power Rating
(with heatsink)
Thermal Resistance Rthj-c
6.0 K/W
0.5%
Tolerances
(others upon request)
2% / 5%
1% / 2% / 5%
Stability
Temperature Coefficient
±500 ppm/K
±400 ppm/K
±300 ppm/K
±100 ppm/K
(TCR 50ppm upon request)
Voltage Proof
2.0 kV DC
Operating Temperature
Resistor Material
Substrate
-40°C to 175°C
Thick Film
Al2O3
Housing
Epoxy
Connector Material
Reflow soldering
Cu / Ni-flash / lead-free tinned
lead-free soldering 260°C / 20s
Ordering Information
Part Number - Resistance - Tolerance
NPS 2-T126 1.1 Ohms 1%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
Page 83
rev. 03/2006A
NPS 2-T126
Power SMD Resistors
SPECIFICATIONS (continued)
Derating
120
100
80
60
40
20
0
Power Rating Notes -
The NPS Series Resistors must be attached to a suitable heat-
sink. The maximum internal resistor temperature is 175°C.
To specify an appropriate heatsink use the following formula :
RqH = TMAX - ( P x RqR ) - TA
P
Where: RqH = Thermal Resistance of Heatsink ( K/W )
RqR = Thermal Resistance of Resistor ( K/W )
TMAX = Maximum Temperature of Resistor
TA = Ambient Temperature of Heatsink ( °C )
P = Power Through Resistor ( W )
0
25 40 55 70 85 100 115 130 145 155 175
Temperature of the backplate (°C)
Dimensions
tol.
tol.
Dimension
mm
8.51
7.87
14.1
5.08
1.65
3.81
inches
0.335
0.310
0.555
0.200
0.065
0.150
Dimension
mm
8.26
8.13
6.35
4.31
1.35
5.08
0.76
2.79
0.8
(±mm)
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.1
0.1
inches
0.33
0.32
0.25
0.17
0.05
0.20
0.03
0.11
0.03
0.38
0.43
0.49
0.02
0.06
(±inches)
0.008
0.008
0.004
0.004
0.004
0.004
0.004
0.004
0.004
0.008
0.008
0.008
0.004
0.004
A
B
C
D
E
F
A
B
C
D
E
F
G
H
I
J
9.55
10.92
12.32
0.6
K
L
M
N
1.47
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
Page 84
rev. 03/2006A
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