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Negro / Fusibles miniatura montados en inmersión micro con retardo de tiempo tipo cuadrado rojo
Black Red Square Type Slow Blow Radial Lead DIP Micro Fuses
Description Of Square Type Slow Blow Radial Lead Micro Fuses:
Tensión nominal: 250V
Material: Base and Cap: Black thermoplastic, Pin: Tin-lead Plated alloy
Certificado : CUL、UL
AC Adapter Current:2.5 amperios
Marca:Baomain
Voltaje:250 Volts
Material:lead
Especificación:Met UL
About this item
Nombre del producto : Micro Fuse; Tipo de clientes potenciales : Radial
Potencia nominal : 250V, 2.5A (T2.5A); Capacidad de ruptura : 50A (250VCA); Time-lag : 2.5A
Tamaño del cuerpo : 8 X 7 x 4mm/ 0.31″ x 0.27″ x 0.16″(L*W*T)
Leads Size : 0.5 x 19mm/ 0.2″ x 0.75″ (D*L)
Peso : 10gramo; Package Content : 20 x Micro Fuse
![]() DIP Mounted Miniature Cylinder Slow Blow Micro Fuse 250V Red |
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① DIP Mounted Miniature Square can be divided into square type miniature fuse and cylindrical type miniature fuse according to shape, with sizes of 8*8*4mm, 8.5*8milímetros, 8.5*8*4mm respectively; current range from 50mA-6.3A 125V/250V;;
Models include: AR5\AP5\AMF\AF\372\382\370\392\2000\2010\MEF\MET\MSF\MST, etc..
② DIP Mounted Miniature Square can be divided into fast blow and slow blow according to fuse performance.
③ According to standards, it can be divided into American and European standards, and the certifications obtained are: UL\VDE\SEMKO\CUL\CCC\EK\PSE, etc..
The influence of working environment temperature on fuse life:
Excessive ambient temperature will damage the life of the fuse. For time-delay (slow-blow) fuses such as tin ball type, tin begins to diffuse into the metal wire when the temperature is about 160℃ (150~170℃). The temperature at which the fusible element (metal wire) of the fast-blow fuse begins to oxidize more violently is about 200℃ (175~225℃). With the oxidation of the fuse from the outside to the inside, multiple diffusions, thermal stress fatigue, etc., the life of the fuse will gradually shorten. Por lo tanto, it is recommended that the time-delay fuse should not work for a long time above 150℃, and the fast-blow fuse should not work for a long time above 175~225℃.
The influence of pulse current on the life of the fuse:
Continuous pulse impact will produce thermal cycles, which will cause diffusion, oxidation, thermal stress, etc.. of the fuse, and even accelerate it. The fuse will gradually age with the increase of pulse energy and number of times. The impact resistance life of the fuse depends on the percentage of the pulse I2t to the fuse’s own I2t. Normalmente, it should be less than 20[%], so that the fuse can withstand more than 100,000 impacts.
Such as the pipe clamp in contact with the fuse, and the length and cross-sectional area of the connecting wire. The contact resistance between the fuse and the pipe clamp is large, which is detrimental to the life. The UL standard stipulates that the contact resistance between the fuse and the pipe clamp is less than 3mΩ during the test. When the contact resistance is large, the pipe clamp does not dissipate heat but generates heat and transmits it to the fuse.

Size Of MTS 8X4mm Time Lag Radial Lead Micro Fuses
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