حفاظت مدار وریستور (ام او وی)

Product Attributes

Introduction

Varistor nominal diameters available in 5mm, 7mm, 10mm, 14mm, 20mm, and 25mm; wide operating voltage range up to 1000Vac (1500Vdc); operating temperature range -40°C to +85°C (high temperature up to 125°C); 10D, 14D, and 20D comply with IEC 60950-1 Annex Q requirements; UL94 V-0 rated epoxy encapsulation; compact size with high surge current capability; excellent sensitivity with fast response to transient surges; low clamping voltage with reliable protection; no follow current; compatible with automated production lines; RoHS compliant and halogen-free.

Features

• K type: General type (Voltage gradient: 260 V/mm)
• D type: Standard type (Voltage gradient: 240 V/mm)
• T type: Hi - temperature {125°C} type, based on D type
• V type: Hi - energy type
• J type: Withstanding surge type
• Four phases (0º, 90º, 180º, 270º), the positive and negative poles of each phase are 5 times each, a total of 40 times
• Q type: Appendix Q (IEC 60950 - 1, 6KV/3KA )

Applications

• Consumer electronics: TVs, audio output devices, safety outlets, set-top boxes, etc.
• Industrial products: motors, semiconductor components, relays, electromagnetic switches, power circuits, three-phase rectifier circuits, automatic control circuits, etc.
• Communication equipment: telephones, fax machines, switches, etc.
• Computers: computers, monitors, printers, scanners, power supplies, power adapters, etc.
• Automotive electronics