参数资料
型号: USS 2-T220 10.00 OHM 0.1% 3PPM
厂商: Riedon
文件页数: 2/3页
文件大小: 0K
描述: RES 10 OHM 10W .1% FOIL SMD
标准包装: 50
系列: USS
电阻(欧姆): 10
功率(瓦特): 10W
复合体: 金属箔
温度系数: ±3ppm/°C
容差: ±0.1%
封装/外壳: TO-263-3,D²Pak(2 引线+接片),TO-263AB
尺寸/尺寸: 0.500" L x 0.400" W(12.70mm x 10.16mm)
高度: 0.161"(4.10mm)
端子数: 2
包装: 散装
USR UNR 2-T220 / T220B / T221
USS UNS 2-T220
Precision Foil Resistors
SPECIFICATIONS (continued)
800
Temperature Coefficient
600
400
200
0
-200
-400
-600
-5ppm/K
+5ppm/K
Nominal Spread
±2.3ppm/K
Nominal ?R/R
Nominal Spread
±2.3ppm/K
-800
-50
-25
0
25 50 75
Temperature (°C)
100
125
120
100
80
60
40
Derating
Power Rating Notes -
The U-Series Resistors must be attached to a suitable heatsink.
The maximum internal resistor temperature is 155°C.
To specify an appropriate heatsink use the following formula :
R q H = T MAX - ( P x R q R ) - T A
P
20
0
25
50 85 100 115 130 145 155
Temperature of the backplate(°C)
Where:
R q H = Thermal Resistance of Heatsink ( K/W )
R q R = Thermal Resistance of Resistor ( K/W )
T MAX = Maximum Temperature of Resistor
T A = Ambient Temperature of Heatsink ( °C )
P = Power Through Resistor ( W )
Dimensions
USS 2-T220 / UNS 2-T220
Dimension
mm
tol.
(±mm)
inches
tol.
(±inches)
A
B
C
D
E
F
G
12.70
10.16
0.76
5.08
4.00
1.20
14.60
0.2
0.2
0.1
0.1
0.1
0.1
0.2
0.50
0.40
0.03
0.20
0.16
0.05
0.57
0.008
0.008
0.004
0.004
0.004
0.004
0.008
Dimension
A
B
C
D
E
F
mm
12.10
11.16
18.33
5.08
1.76
3.20
inches
0.476
0.439
0.722
0.200
0.069
0.126
H
I
J
K
15.00
17.33
0.40
1.85
0.2
0.2
0.1
0.1
0.59
0.68
0.02
0.07
0.008
0.008
0.004
0.004
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
10/13
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