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FSQ3W

更新时间: 2024-11-16 07:00:19
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FUSIBLE RESISTORS FM, FKN, & FSQ Series: Fusible

FSQ3W 数据手册

  
FUSIBLE RESISTORS  
RoHS  
ü
FM, FKN, & FSQ Series: Fusible  
INTRODUCTION  
FEATURES  
•High stability, accuracy, and reliability  
The fusible resistor contains two functions in one  
package. It's a resistor under normal conditions and a  
fuse when subjected to higher than normal current.  
•Non combustible coating  
•Uniform fusing time  
FUSING CHARACTERISTICS  
DERATING CURVE  
100  
Power  
Fusing Time  
Minimum Nominal Maximum  
16 X Wattage 3 Sec. 30 Sec. 1 Min.  
15 Sec. 30 Sec.  
70°C  
80  
60  
20  
24  
28  
32  
2 Sec.  
1 Sec.  
0.8 Sec. 3 Sec.  
0.8 Sec. 2 Sec.  
FKN & FSQ  
FM  
40  
20  
0
5 Sec.  
10 Sec.  
7 Sec.  
4 Sec.  
235°C  
275°C  
•Fusing times not listed, may be available.  
Contact RFE International, Inc. for details.  
0
50  
100  
150  
200  
250  
300  
350  
400  
Ambient Temperature (°C)  
SPECIFICATIONS  
FKN & FM  
FSQ  
FM is fusible metal film  
FKN & FSQ is fusible wirewound  
Wattage  
Type  
Dimension(mm)  
Resistance  
Range  
( )  
Max.  
Dielectric  
Std  
Tolerance  
±%  
Working Withstanding  
L±1.0 D±0.5 H±3 W±0.5 C±3 d±0.05  
Voltage  
250  
Voltage  
300  
5, 10  
1/2W  
1/2W  
1W  
2W  
3W  
1W  
2W  
3W  
4W  
5W  
2W  
3W  
5W  
7W  
10W  
FM50M  
FM50  
6.8  
9
2.6  
3.5  
4
30  
30  
30  
30  
30  
30  
30  
30  
38  
38  
36  
36  
36  
36  
36  
0.6  
0.65  
0.65  
0.8  
0.22 - 100K  
0.22 - 100K  
0.22 - 100K  
0.3 - 100K  
0.3 - 100K  
0.1 - 22  
5, 10  
250  
300  
5, 10  
FM100  
9
300  
500  
5, 10  
FM200  
11  
15  
9
4.5  
5.5  
4.5  
5
350  
500  
5, 10  
FM300  
0.8  
500  
500  
FKN1W  
FKN2W  
FKN3W  
FKN4W  
FKN5W  
FSQ2W  
FSQ3W  
FSQ5W  
FSQ7W  
FSQ10W  
0.65  
0.8  
500  
500  
2, 5, 10  
2, 5, 10  
2, 5, 10  
2, 5, 10  
2, 5, 10  
2, 5, 10  
2, 5, 10  
2, 5, 10  
2, 5, 10  
2, 5, 10  
11  
13  
17  
19  
18  
22  
22  
35  
48  
0.1 - 80  
500  
500  
5.5  
6.5  
6.5  
0.8  
0.1 - 100  
0.2 - 200  
0.3 - 250  
0.1 - 22  
500  
500  
0.8  
500  
500  
0.8  
500  
500  
7
8
9
9
9
7
0.65  
0.8  
1000  
1000  
1000  
1000  
1000  
1000  
1000  
1000  
1000  
1000  
8
0.1 - 120  
0.2 - 120  
0.3 - 250  
0.3 - 500  
10  
10  
10  
0.8  
0.8  
0.8  
•Standard tolerance is ±5% and ±10% for values below 0.5  
ELECTRICAL PERFORMANCE  
Test Items  
Condition  
FM  
Spec.  
-40°C ~ +235°C  
-55°C ~ +275°C  
Operating Temperature  
FKN & FSQ  
+30°C ~ +150°C  
Resistance Temp. Coeff.  
Short Time Overload  
±200 ppm/°C(R<1 ohm±440 ppm)  
FM: 4X rated wattage for 5 sec.  
FKN & FSQ: 2.5X rated wattage for 5 sec.  
500V megger  
±2%  
±2%  
Insulation Resistance  
Temperature Cycle  
Load Life  
1000M ohm  
±1%  
-30°C 85°C for 5 cycles  
70°C on-off cycle 1000 hrs  
±5%  
Moisture-Proof Load Life  
40°C 95@ RH on-off cycle for 1000 hrs  
±5%  
PART NUMBER EXAMPLE  
FM 50 R - 10R - J  
C2DB01  
REV 2002.02.07  
RFE International Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com  

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