Datasheet > UNS3220-181K

UNS3220-181K

更新时间： 2024-09-30 02:45:47

品牌	Logo	应用领域
优恩 - UNSEMI		/
页数	文件大小	规格书
4页	865K
描述
Radial Lead Varistor (MOV)

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UNS3220-181K 数据手册

Radial Lead Varistor (MOV)

The UNS3220- series radial leaded varistors provides an ideal

circuit protection solution for lower DC voltage applications by

offering higher surge ratings than ever before available in such

small discs.

The maximum peak surge current rating can reach up to 1KA

(8/20μs pulse) to protect against high peak surges, including

indirect lightning strike interference, system switching

transients and abnormal fast transients from the power

source.



Wide operating voltages ranging from 11Vrms to

460Vrms



Operating Temperature: -55℃~ +125℃

Storage Temperature: -55℃~ +150℃

Electric strength: ≥2.5kV_RMS

Fast response time of less than 25ns, instantly clamping

the transient over voltage.

Insulation Resistance: > 100MΩ



High surge current handling capability.

High energy absorption capability.

Low clamping voltages, providing better surge protection

White package design without shadow in LED lighting

application



SMD mountable disk varistors, suitable for lead-free

reflow / wave soldering



Power supplies for telecommunication systems

Surge protection in industrial electronics.

Protection for LED circuits

Relay and electromagnetic valve surge absorption.

(1)

3220

471

(2)

(3)

(4)

(6)

(1) UN: Logo

(2) Type : S: SMD

(3) Size(mm) : 8.0*6.3mm

(3) Varistor Voltage V_1mA: 47*10¹= 470V

(4) Tolerance : K±10%, L±15%, M±20%

@ UN Semiconductor Co., Ltd. 2018

Specifications are subject to change without notice.

Revision April 24, 2018

1 / 4

Please refer to www.unsemi.com.tw for current information.

12 3 4

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