Datasheet > SMAJ440A-AT

SMAJ440A-AT

更新时间： 2024-02-28 03:56:16

品牌	Logo	应用领域
优恩 - UNSEMI		/
页数	文件大小	规格书
6页	1186K
描述
Surface Mount Transient Voltage Suppressors

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技术参数
数据手册

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SMAJ440A-AT 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	unknown	风险等级：	5.65
湿度敏感等级：	1	峰值回流温度（摄氏度）：	260
处于峰值回流温度下的最长时间：	40	Base Number Matches：	1

SMAJ440A-AT 数据手册

Surface Mount Transient Voltage Suppressors

Uni-directional

Bi-directional

TVS diodes can be used in a wide range of applications which like

consumer electronic products, automotive industries, munitions,

telecommunications, aerospace industries, and intelligent control

systems.

Working Voltage: 5.0 to 440 V



Glass passivated or planar junction

Excellent clamping capability

Repetition rate (duty cycle): 0.01%

Low profile package and low inductance

400W Peak Pulse power capability at 10×1000μs waveform.

Fast response time: typically less than 1.0ps from 0V to V_BR

min.

Bi-directional

Cathode

Anode

Uni-direction



High temperature soldering: 260℃/10s at terminals.

Plastic package has Underwriters Laboratory Flammability

94V-0.



For surface mounted applications in order to optimize board

space.



Package: SMA/DO-214AC

Case Material: “Green”Molding Compound.

UL Flammability Classification Rating 94V-0

Polarity:Color band denotes cathode except

bi-directional models

High reliability application and automotive grade AECQ101

qualified .



Standard Packaging:12mm tape (EIA STD RS-481)

Weight: 0.07g



I/O Interface.

AC/DC Power supply

Terminal Connections: See Diagram Below

Marking Information: See Below

Low frequency signal transmission line (RS232, RS485, etc.)

Parameter

Symbol

P_PPM

Value

Units

Peak power dissipation with a 10/1000μs waveform

400

Steady state power dissipation at T_L=75℃

Maximum Instantaneous Forward Voltage at 30A for Unidirectional

Storage temperature range

P_M(AV)

V_F

3.3

5.0

-55 to +150

℃

T_stg

T_j

Operating junction temperature range

@ UN Semiconductor Co., Ltd. 2019

Specifications are subject to change without notice.

Revision December 19, 2019

1 / 6

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

12 3 4 5 6

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