SMD1812 datasheet(1/5 Pages) LEIDITECH

Numer części	SMD1812

Szczegółowy opis	Smaller size saves board space and cost

PDF	5 Pages

Scroll/Zoom	100%

Producent	LEIDITECH [Shanghai Leiditech Electronic Technology Co., Ltd]

Strona internetowa	http://www.leiditech.com

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1 / 5 page

A.

Features 重要特性

重要特性

♦ Smaller size saves board space and cost

超小尺寸、节约空间和成本

♦ Resettable circuit protection

自恢复保护、免维护

♦ Fast time-to-trip

动作时间快

♦ Low resistance

低内阻值

♦ Surface mount packaging for automated assembly

贴片式封装，方便自动化生产

♦ Lead-free and compliant with the European Union RoHS Directive 2002/95/EC

符合欧州ROHS无铅环保要求

B.

Application 应用范围

应用范围

Polymer Resettable Fuse for over-current, over-temperature and short-circuit protection

可恢复保险丝用于过流、温度和线路短路保护

♦ Computer motherboards

计算机主板

♦ IEEE1394 Ports

IEEE1394通讯接口

♦ USB hub, ports and peripherals

USB交换机及外围设备

♦ Phones

电话设备

♦ Data communication

数据交换机

♦ Modems/ Ethernet/LAN

调制解调器/以太网

C.

General Description 简要概述

简要概述

Polymer resettable fuse are made of polymeric PTC materials which is a matrix of

自恢复保险丝是聚合物高分子材料通过特殊工艺而成，

polymer containing dispersed conductive particles. Generally, the device has a very

高分子粒子按一定的规律排列，自恢复保险丝器件有低内阻

low resistance. If an over-current happened, as a response to the damage current,

当电路中电流突然增大时，

the resistance will immediately increase to very high, reducing the current of the

器件将会在短时间内阻值升到高阻状态、高分子膨胀

SMD1812 Series

Rev :

www.leiditech.com

01.06.2015

1/5

Podobny numer części - SMD1812

Producent	Numer części	Arkusz danych	Szczegółowy opis
Littelfuse	SMD1812	85Kb / 2P	SMD Type, 6 V - 60 V
HuaXinAn Electronics CO...	SMD1812	407Kb / 8P	Resettable Fuse PTC SMD1812 Series
HuaXinAn Electronics CO...	SMD1812	414Kb / 8P	Low Resistance Resettable Fuse PTC SMD1812 Series
UN Semiconducctor INC	SMD1812	2Mb / 6P	Surface Mount Resettable PTCs Revision March 1,2022
UN Semiconducctor INC	SMD1812	3Mb / 7P	Surface Mount Resettable PTCs Revision March 1,2022

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Podobny opis - SMD1812

Producent	Numer części	Arkusz danych	Szczegółowy opis
Littelfuse	1206L012	811Kb / 6P	Fast response to fault currents Compact design saves board space
Cynergy3 Co	LM10A	1Mb / 2P	For smaller tanks and restricted space
Maxim Integrated Produc...	MAXM17514	588Kb / 15P	Saves Board Space in Space-Constrained Applications Rev 1; 4/15
Maxim Integrated Produc...	MAXM17543	829Kb / 18P	Saves Board Space in Space-Constrained Applications Rev 0; 11/14
TT Electronics.	PCF-RC	156Kb / 1P	saves board space
Micro Commercial Compon...	ESDLC0524DFN10	689Kb / 4P	Small package saves board space
Littelfuse	NGD18N45CLB	279Kb / 8P	DPAK Package Offers Smaller Footprint for Increased Board Space
Shanghai Leiditech Elec...	30V	638Kb / 3P	Smaller size saves board space and cost
Quelighting Corp	QLSP1308YG-288	578Kb / 11P	This is the much smaller than lead frame type components, thus enable smaller board size, higher packing density, reduced storage space and finally smaller equipment to be obtained. 1.0 03-13-2021
Quelighting Corp	QLSP1608R-293	630Kb / 11P	This is the much smaller than lead frame type components, thus enable smaller board size, higher packing density, reduced storage space and finally smaller equipment to be obtained. 1.0 03-13-2021

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SMD1812 Arkusz danych(PDF) 1 Page - Shanghai Leiditech Electronic Technology Co., Ltd

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