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191

更新时间： 2024-09-30 22:09:19
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
2页 55K
描述
MINIATURE FUSES - 5x20 mm

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191 数据手册

 浏览型号191的Datasheet PDF文件第2页 
MINIATURE FUSES  
UL 248-14, 250 V, F  
Time-Current Characteristic  
Quick Acting (F)  
Specifications  
5x20 mm / No. 191  
Packaging  
This product is not recommended  
for new designs. Please refer to  
Littelfuse No. 235.  
000: Bulk (1000 pcs.)  
002: Bulk (20x10 pcs.)  
043: With mounted holders - Tape/Reel (1250 pcs.)  
on request  
Standard  
UL 248-14  
CSA C22.2 No. 248.14  
Materials  
Approvals  
UL Listed  
cUL Listed  
METI-PSE  
Tube:  
Glass  
End Caps:  
Optional Holders:  
Nickel-plated brass  
Nickel-plated caps  
Tin-plated copper wires  
Operating Temperature  
-25 ºC to +70 ºC (consider de-rating)  
Features  
Visual fault indication  
Direct solderable or plug-in versions  
Internationally approved  
Worldwide availability  
Climatic Category  
-25 ºC / +70 ºC / 21 days  
(IEC 60068-1,-2-1,-2-2,-2-78)  
Dimensions (mm)  
Stock Conditions  
WebLinks  
+10 ºC to +60 ºC  
Further info see:  
relative humidity ≤ 75 % yearly average,  
without dew, maximum value for 30 days-95 %  
www.wickmanngroup.com  
Further application info see fuseology:  
www.wickmanngroup.com/download/  
fuseology.pdf  
Vibration Resistance  
24 cycles at 15 min. each (EN 60068-6)  
10 - 60 Hz at 0.75 mm amplitude  
60 - 2000 Hz at 10 g acceleration  
Solderability  
260 ºC, ≤ 3 s (Wave)  
350 ºC, ≤ 1 s (Soldering iron)  
Optional Holders  
Soldering Heat Resistance  
260 ºC, 10 s (IEC 60068-2-20)  
Marking  
, Current Rating, 250 V AC, 191, Approvals  
Limits for Pre-arcing Time  
Unit Weight  
Rated Current  
250 mA ... 7.00 A  
1.35 x IN  
< 1 h  
2.0 x IN  
< 120 s  
2.0 x IN  
1.0 g (approx.)  
1.9 g (with mounted holders)  
< 5 s  
Permissible continuous operating current is ≤ 75 % at ambient temperature of 23 ºC (73.4 ºF).  
Rated  
Amp  
Voltage  
Rating  
Breaking  
Capacity  
Voltage Drop Power Dissipation Melting Integral  
Approvals  
Current  
Code  
1.0 x IN  
1.0 x IN  
10 x IN  
max. (mV)  
max. (W)  
max. (A2s)  
250 mA  
300 mA  
350 mA  
400 mA  
500 mA  
600 mA  
700 mA  
800 mA  
1.00 A  
0250  
0300  
0350  
0400  
0500  
0600  
0700  
0800  
1100  
250 V  
250 V  
250 V  
250 V  
250 V  
250 V  
250 V  
250 V  
250 V  
350  
300  
300  
280  
250  
230  
210  
200  
180  
0.3  
0.3  
0.4  
0.4  
0.4  
0.5  
0.5  
0.6  
0.6  
0.024  
0.047  
0.081  
0.11  
0.24  
0.38  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
35 A / 250 V AC  
10 kA / 125 V AC  
50-60 Hz  
cos  
ϕ = 0.7-0.8  
0.54  
•
0.6  
•
1.7  
•
•
1.25 A  
1.60 A  
2.00 A  
2.50 A  
3.00 A  
3.50 A  
1125  
1160  
1200  
1250  
1300  
1350  
250 V  
250 V  
250 V  
250 V  
250 V  
250 V  
170  
150  
130  
120  
115  
110  
0.7  
0.8  
0.9  
1.0  
1.1  
1.3  
2.8  
5.4  
11  
13  
21  
32  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
100 A / 250 V AC  
10 kA / 125 V AC  
50-60 Hz  
cos  
ϕ = 0.7-0.8  
4.00 A  
5.00 A  
6.00 A  
7.00 A  
1400  
1500  
1600  
1700  
125 V  
125 V  
125 V  
125 V  
105  
100  
95  
1.3  
1.4  
1.4  
1.4  
40  
•
•
•
•
•
•
•
•
•
•
10 kA / 125 V AC  
50-60 Hz  
69  
120  
180  
cos  
ϕ = 0.7-0.8  
90  
Order  
Information  
Qty.  
Order-  
Number  
Series  
191  
Amp Code  
Packaging  
Specifications are subject  
to change without notice  
WebSite  
                                                                       
E
                                                                       
                                                                          
u
                                                                          
                                                                            
r
                                                                            
                                                                             
o
                                                                             
                                                                               
p
                                                                               
                                                                                 
e
                                                                                  
Tel: +49 2302 662-107  
                                                                                                                                    
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s
                                                                                                                                                   
Tel: +1 404 699-7820  
                                                                                                                                                                                                          
A
                                                                                                                                                                                                          
                                                                                                                                                                                                             
s
                                                                                                                                                                                                             
                                                                                                                                                                                                               
i
                                                                                                                                                                                                               
                                                                                                                                                                                                                
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Tel: +852 26 14-1108  
                                                                                                                                                                                                                                                                            
C
                                                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                              
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Tel: +86 21 6432 5146  
www.wickmanngroup.com E-mail: sales@wickmann.com  
E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk  
E-mail: sales@wickmann.cn  
0 5 0 9 1 2  
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