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
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
W
D
Ceramic Case
Cement
Thermal Fuse
Resistor
Lead Wire
4.5+-12
ød
P
Type
WF5N
WF7N
WF10N
Dimensions inches (mm)
W
D
H
P d (R. Lead) d (Fuse Lead)
1.00±.059
.512±.039
.354±.039 (25.5±1.5)
.197
+.079
-.039
(13.0±1.0) (9.0±1.0) 1.52±.059
(38.5±1.5)
(5
+2
-1
)
.630±.039
.472±.039
1.38±.059
.295
+.079
-.039
(16.0±1.0) (12±1.0)
(35±1.5)
(7.5
+2
-1
)
.031
(0.8)
2A: 0.6
10A: 1.0
ordering information
New Part #
WF
5N
C
8
G
Type
Style
5N
7N
10N
Terminal Surface
Temperature
C: SnCu
Thermal Fuse
Symbol
See table
below
Resistor
Material
G: Glass core
wire wound
S: Metal oxide
film
100
Nominal
Resistance
3 digits
K
Resistance
Tolerance
J: ±5%
K: ±10%
applications and ratings
Thermal
Fuse
Symbol
8
10
12
14
32
Thermal Fuse
Thermal Current
Cut-off Temp. Rating
129±2 (STD)
152±2
188
+3
-1
226
+1
-3
10A
110±2
Voltage
Rating
250V
Power Rating
(W)
5N
7N
10N
1.6
2.0
2.5
1.6
2.0
2.5
2.0
2.4
3.5
2.0
2.4
3.5
1.2
1.4
––
Resistance
Range/Material
G: Glass S: Metal
Core
Oxide
Wirewound Film
Resistance
Tolerance
G: Glass S: Metal
Core
Oxide
Wirewound Film
1 - 100
(E24)
110 - 10k
(E24)
J: ±5%
K: ±10%
J: ±5%
33
126±2
34
2A
130±2 (STD)
35
146
+3
-2
1.4
1.6
––
1.6
2.0
––
1.6
2.0
––
* Other combination of thermal cut-off temperatures and resistance values are available on request
Maximum Maximum
Working Overload
Voltage Voltage
E= √ P • R
E=
√ P • R • 6.25
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
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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