حفاظت مدار محدودکننده‌ جریان هجومی (آی سی ال)

Product Attributes

Introduction

These directly heated ceramic-based doped barium titanate thermistors have a positive temperature coefficient and are primarily intended for inrush current limiting and overload protection. They consist of a homogeneous high energy ceramic with increased switching temperature, soldered between two tinned CCS wires and coated with a UL 94 V-0 compliant high temperature silicone lacquer. The body is marked with the logo, cold resistance value, HEL on one side and date code on the opposite side.

Features

• Higher energy absorption levels up to 340 J
• High number of inrush-power cycles: > 100 000 cycles e3
• Highly resistant against non-switching peak-powers of up to 25 kW
• RoHS COMPLIANT
• Can handle high direct voltage up to 1200 V
• Self protecting in case of overload with no risk of over-heating
• AEC-Q200 qualified

Applications

• Inrush current limiting and load-dump resistor in AC/DC and DC/DC converters
• Energy dump and DC-Link circuits
• Emergency discharge circuits
• OBC, Battery charging equipment
• Motor drives
• Welding equipment