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Littelfuse Circular TR5 372 382 micro fuse manufacturer

Product Item: Littelfuse Circular TR5 372 382 micro fuse manufacturer
Category: Current fuse
Fuse shape

1. Filiform. Earlier original types of fuses were directly screw-locked and used for old switches and sockets of various sizes.
2. Flaky (naked). Chip fuses are more convenient to use than older wire types.
3. Glass tube. There are several different sizes, common in electronics.
6.3 x 32 mm (diameter x length)
5 x 20 mm
4. Ceramic tube. There are several different shapes and sizes to prevent glass from bursting.
5, plastic sheet with metal flake pin: Automotive fuse.
6. Surface Mount Device (SMD) type.
7. Cylinder-shaped, plug-in type: directly soldered to the circuit board, used in the product.

  • PRODUCT DETAIL
Fuse shape
1. Filiform. Earlier original types of fuses were directly screw-locked and used for old switches and sockets of various sizes.
2. Flaky (naked). Chip fuses are more convenient to use than older wire types.
3. Glass tube. There are several different sizes, common in electronics.
6.3 x 32 mm (diameter x length)
5 x 20 mm
4. Ceramic tube. There are several different shapes and sizes to prevent glass from bursting.
5, plastic sheet with metal flake pin: Automotive fuse.
6. Surface Mount Device (SMD) type.
7. Cylinder-shaped, plug-in type: directly soldered to the circuit board, used in the product.

Fuse sign
Most fuses are marked on the body or with end caps and markings indicating their rating. But "chip type" fuses have little or no marking, making identification very difficult.
Fuses may exhibit similar and significantly different characteristics, identifying their markings. Fuse marking usually conveys the following information:
Ampere fuse rating
Voltage level fuse
Time-current characteristics, ie speed fuse
Approved by national and international standards bodies
Manufacturer / Product Number / Series
Fusing capacity
Intentions to develop, to use technology to benefit society
Breaking Capacity  Material  Operating Temperature  Soldering conditions 
VDE:100 amperes at 250V/300V AC(250mA-6.3A)
UL:100 amperes at 125V/250V/300V/350V AC (250mA-6.3A)
Fuse body –Plastic
Element--Alloy
Pigtail--tin plated copper
-40℃~+125℃ Wave solder:260℃,≤5S
Hand solder: 360℃,≤1S
 
Functional  Characteristics 
Testing current  Blow Time
Min Max
150% 1 hour  
210% 1s 120s
275% 400ms 10s
400% 150ms 3ms
1000% 20ms  150ms
 
Approvals (○ Pending  ● Approvals )
Current Rating
 
Voltage Rating
 
Norminal Melting
I2T(A2sec)
Approvals
VDE   CCC CQC UL KC PSE
250mA 250V 0.28      
315mA 250V 0.45      
400mA 250V 0.80      
500mA 250V 1.2      
630mA 250V 1.8      
800mA 250V 3.0      
1A 250V 4.2    
1.25A 250V 5.0    
1.6A 250V 8.2    
2A 250V 9.8    
2.5A 250V 16.0    
3.15A 250V 22.5    
4A 250V 30.0    
5A 250V 64.0    
6.3A 250V 72.0      
7A 250V 125            
8A 250V 164      
10A 250V 256      
PREV:LF 392 Series Small Current fuses
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