WF10N(2009) 查看數據表（PDF） - KOA Speer Electronics, Inc.
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WF10N Datasheet PDF : 2 Pages
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WF
thermal fuse built-in resistors
environmental applications
Derating Curve
100
Temp. Symbol
80
60
40
20
0
-25
-20
10˚
14˚
8˚
12˚
25
75 89 100
133 147
0 20 40 60 80 100 120 140 160
Ambient Temperature
(˚C)
100
80
60
40
20
0
-25
-20
Temp. Symbol
35˚
33˚
32˚
34˚
25
68 75 91 95 105
0 20 40 60 80 100 120 140 160
Ambient Temperature
(˚C)
Temperature Rise
200
150
100
50
For resistors operated at an ambient temperature of 25°C or above, a
power rating shall be deleted in accordance with the above rating curves.
5N
7N
10N
0
Measuring Point
2
4
6
8
Load Power (W)
Performance Characteristics
Parameter
Resistance
Requirement
Limit
Typical
Within specified
tolerance
—
T.C.R.
±250 x 10-6/K (G)
±300 x 10-6/K (S)
—
25°C
Test Method
+25°C/-55°C and +25°C/+125°C
Overload (Short Time)
±2%
±1.8% Rated voltage x 6.25 for 5 seconds
Resistance to Soldering Heat
±1%
±0.9% 350°C ± 10°C, 3.5 seconds
Moisture Resistance
±5%
±4.5% 40°C, 90% - 95% RH, 500 hours, No load
Load Life
±5%
±4.5% Rated voltage, 25°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
186
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
5/13/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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