WF5NC8G100K [KOA]
thermal fuse built-in resistors; 温度保险丝内置电阻
| 型号： | WF5NC8G100K |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | thermal fuse built-in resistors |
| 文件： | 总2页 (文件大小：94K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WF
thermal fuse built-in resistors
EU
features
• Marking: Ceramic body with alpha/numeric marking
• Products with lead-free terminations meet EU RoHS
requirements. Pb located in glass material, electrode
and resistor element is exempt per Annex 1, exemption
5 of EU directive 2005/95/EC
dimensions and construction
D
W
Dimensions inches (mmꢀ
Ceramic Case
Cement
Type
W
D
H
P
d (R. Lead) d (Fuse Lead)
1.00 .059
(25.5±±.5ꢀ .197 -.039
WF5N
+.079
Thermal Fuse
Resistor
.512 .039 .354 .039
(±3.0±±.0ꢀ (9.0±±.0ꢀ
H
(5 +2
ꢀ
1.52 .059
(38.5±±.5ꢀ
-±
2A: 0.6
.031
WF7N
(0.8ꢀ
10A: 1.0
+.079
.295 -.039
.630 .039 .472 .039 1.38 .059
(±6.0±±.0ꢀ (±2±±.0ꢀ (35±±.5ꢀ
WF10N
+2
-±
(7.5
ꢀ
Lead Wire
+2
-1
4.5
ø d
P
ordering information
New Part #
WF
5N
C
8
G
100
K
Terminal Surface
Temperature
Thermal Fuse
Symbol
Resistor
Material
Nominal
Resistance
Resistance
Tolerance
Type
Style
5N
7N
10N
C: SnCu
See table
below
G:Glass core
wire wound
S: Metal oxide
film
3 digits
J: 5%
K: 10%
applications and ratings
Power Rating
(W)
Resistance
Range/Material
Resistance
Tolerance
Thermal Fuse
Thermal
Maximum Maximum
Working
Voltage
Overload
Voltage
Fuse
G: Glass S: Metal G: Glass S: Metal
Thermal
Current Voltage
Symbol
Core
Wirewound
Oxide
Film
Core
Oxide
Film
5N
7N
10N
Cut-off Temp. Rating
Rating
Wirewound
8
129 2 (STD)
1.6
2.0
1.2
1.6
2.0
2.4
1.4
2.0
2.5
3.5
––
10
12
14
32
33
34
35
10A
+3
-1
188
110 - 10k
(E24)
1 - 100
(E24)
J: 5%
K: 10%
J: 5%
E=
P • R • 6.25
E= P • R
√
250V
110 2
√
2A
130 2 (STD)
––
* Other combination of thermal cut-off temperatures and resistance values are available on request
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/06/09
185
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
WF
thermal fuse built-in resistors
environmental applications
Derating Curve
100
100
Temp. Symbol
Temp. Symbol
80
80
60
40
20
0
60
10˚
40
20
35˚
33˚
14˚
34˚
12˚
8˚
32˚
0
-25
-20
25
20
68 75 9195 105
80 100 120
-25
-20
25
20
75 89 100
80 100
133 147
140
0
40
60
140
160
0
40
60
120
160
Ambient Temperature
(˚C)
Ambient Temperature
(˚C)
Temperature Rise
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.
200
5N
150
100
50
7N
10N
Measuring Point
0
8
2
4
6
Load Power (W)
Performance Characteristics
Requirement
Limit
Parameter
Typical
Test Method
Within specified
tolerance
Resistance
—
25°C
250 x 10-6/K (G)
T.C.R.
—
+25°C/-55°C and +25°C/+125°C
300 x 10-6/K (S)
Overload (Short Time)
Resistance to Soldering Heat
Moisture Resistance
Load Life
2%
1%
5%
5%
1.8%
0.9%
4.5%
4.5%
Rated voltage x 6.25 for 5 seconds
350°C 10°C, 3.5 seconds
40°C, 90% - 95% RH, 500 hours, No load
Rated voltage, 25°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
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
186
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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