JK250-080U pptc resettable fuse

Resettable Fuses 1,MOQ: 1000PCS 2, Resettable 3, Over- current protection

Jk250-120U pptc resettable fuse is a kind of overcurrent protection unit which specially designed and manufactured for the communication exchanger and distributing frame. Has passed the repeated selective examination by the product protectionTesting Centre of the Ministry of Information Industry (the former Ministry of Posts and Telecommunications) and the Bureau of Technical Supervision, this series’ product performance completely conform to the standards of the telecommunications and posts industry.

Electrical Characteristics :

Max.interrupt Current	10.0  A RMS	Max.interrupt Voltage	250 VRMS
Max.Operating Current	3.0  AAC	Max.Operating Voltage	240  VAC
Hold Current at 25°C±2oC	80m A	Trip Current at 25°C±2oC	160mA
Initial Resistance	14~22ohms	Max.Post Trip Resistance	33ohms

Physical Description for Dimensions:

 

 

 A:7.4mm(Max)

 

B:12.6mm(Max)

 

C:4.5mm(Max)

 

D:5.1mm(Typ)

Terminal Material:Tin plated copper,Φ0.50mm

Insulating Material:Cured,flame-retardant epoxy,meets UL94V-0 requirements

 

Test Conditions and Accept/Reject Criteria:

Test	Test Conditions	Accept/Reject Criteria
Initial Resistance	In still air at 25°C±2oC	14~22ohms
Hold Current	25°C±2oC,80mA, 60min	No trip
Time to Trip	25°C±2oC, 10.0A	≤3S
Trip Endurance	250V,20A, 15min	No arcing or burning
High A.C Trip Endurance	3A,250V, 20 circles	ζ≤50%

Storage Temperature:  -40°C to 85°C

Bulk:1000pcs per bag or packing in tape