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Značky produktů
5Keramické pojistky s olovem x20 mm 125V/250 V, (3/16 palce x 3/4 palec)
5Výběr a aplikace keramické pojistky x20 mm: Typy pojistek jsou běžně drátěné pojistky, Skleněné pojistkové trubice, Křemenné pískové pojistky, insert fuses, atd. The different forms have different usage environments.
The rated current of 5x20mm fuses with different wire diameters is also different.
When selecting and adapting fuses, they will be affected by voltage and current, resulting in differences. From the voltage type: generally there are three types of high-voltage fuses, low-voltage fuses, and electronic circuit fuses. Differentiate from the current level: generally ranging from 0.5A to 100A.
![]() Keramické pojistky 5x20mm soupravy – Super rychlé elektronické komponenty |
![]() Witonics 5x20mm 10A 250v Slow Blow Ceramic Fuses |
![]() Bussmann 5x20mm keramické pojistky |

5x20mm ceramic tube fuse size chart

5X20mm Ceramic Tube Fuse Electrical Characteristics
In the process of selecting fuses, in addition to the above content, two types of overcurrent protection and overheating protection should be distinguished. Ochrana nadměrného proudu: It is the most commonly used current limiting fuse. Overheating fuse: It plays a protective role when the temperature is too high. It is generally used in electrical appliances with heating and temperature control requirements. Například, sušičky vlasů, electric kettles, Elektrické žehličky, thermal relays, atd.
The configuration of the fuse, its current size is the key measurement indicator of the protection function. Attention should be paid to the four current values of normal current (rated current), fuse current, short-circuit current, and impact current. Its rated current is generally 1-1.2 times the current of the protected circuit.
Rozbitá kapacita | Materiál | Provozní teplota | Soldering conditions |
Vde:35A or 10ln whichever is greater(250mA-6.3A) Ul:50 amperes at 125V/250V AC (250mA-10A) |
Fuse body –glass tube End cap –Niklovaná mosaz Pigtail–tin plated copper on nickel plated brass cap |
-40℃~+125℃ | Wave solder:260℃,≤5S Hand solder: 360℃,≤1S |
Functional Characteristics
Testing current | Blow Time | |
Min | Max | |
150% | 1 hour | – |
210% | 100paní | 1800s |
275% | 10paní | 3s |
400% | 3paní | 300paní |
1000% | – | 20paní |
Approvals(○ Pending ● Approvals)
Aktuální hodnocení | Hodnocení napětí | Norminal Melting I2T(A2sec) |
Approvals | ||||
Vde | CQC | Ul | PSE | KC | |||
250Ma | 125V/250V | 0.14 | ● | ● | ● | ● | |
300Ma | 125V/250V | 0.20 | ● | ||||
315Ma | 125V/250V | 0.23 | ● | ● | ● | ● | |
350Ma | 125V/250V | 0.27 | ● | ||||
400Ma | 125V/250V | 0.38 | ● | ||||
500Ma | 125V/250V | 0.50 | ● | ● | ● | ● | |
600Ma | 125V/250V | 0.72 | ● | ||||
630Ma | 125V/250V | 0.9 | ● | ● | ● | ● | |
750Ma | 125V/250V | 1.2 | ● | ||||
800Ma | 125V/250V | 1.6 | ● | ● | ● | ● | |
1A | 125V/250V | 2.4 | ● | ● | ● | ● | ● |
1.25A | 125V/250V | 3.5 | ● | ● | ● | ● | ● |
1.5A | 125V/250V | 4 | ● | ● | |||
1.6A | 125V/250V | 7.2 | ● | ● | ● | ● | ● |
2A | 125V/250V | 9.6 | ● | ● | ● | ● | ● |
2.5A | 125V/250V | 16 | ● | ● | ● | ● | ● |
3A | 125V/250V | 17.8 | ● | ● | |||
3.15A | 125V/250V | 22 | ● | ● | ● | ● | ● |
3.5A | 125V/250V | 28 | ● | ● | |||
4A | 125V/250V | 45 | ● | ● | ● | ● | ● |
5A | 125V/250V | 62 | ● | ● | ● | ● | ● |
6A | 125V/250V | 70 | ● | ||||
6.3A | 125V/250V | 72 | ● | ● | ● | ● | |
7A | 125V/250V | 88 | ● | ||||
8A | 125V/250V | 110 | ○ | ○ | ● | ○ | |
10A | 125V/250V | 144 | ○ | ○ | ● | ○ |
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