Datasheet > SZ1SMA45AT3G

SZ1SMA45AT3G

更新时间： 2024-11-15 13:45:19

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
5页	345K
描述
SZ1SMA系列专为保护电压敏感型组件免受高电压、高能量瞬态事件的损坏而设计。它具有一流的箝位能力，高浪涌保护能力，低齐纳阻抗与快速响应时间。 SZ1SMA采用Littelfuse独家提供的经济

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中文翻译

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技术参数
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SZ1SMA45AT3G 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	unknown	风险等级：	5.78
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

SZ1SMA45AT3G 数据手册

TVS Diodes

Surface Mount > 400W > 1SMA5.0AT3G Series

1SMA5.0AT3G Series

Description

The 1SMA5.0AT3G series is designed to protect voltage

sensitive components from high voltage, high energy

transients. They have excellent clamping capability, high

surge capability, low zener impedance and fast response

time. The 1SMA5.0AT3G series is supplied in the Littelfuse

exclusive, cost-effective, highly reliable package and is

ideally suited for use in communication systems,

automotive, numerical controls, process controls, medical

equipment, business machines, power supplies and many

other industrial/consumer applications.

Features

• Working Peak Reverse Voltage Range − 5.0 V to 78 V

Maximum Ratings andThermal Characteristics

• Standard Zener Breakdown Voltage Range −

6.7 V to 91.25 V

Parameter

Symbol

P_PK

Value

400

Unit

• Peak Power − 400 W @ 1 ms

Peak Power Dissipation (Note 1) @ T_L=

25°C, Pulse Width = 1 ms

• ESD Rating of Class 3 (> 16 kV) per Human Body Model

• ResponseTime isTypically < 1 ns

• Flat Handling Surface for Accurate Placement

DC Power Dissipation @ T_L= 75°C

Measured Zero Lead Length (Note 2)

1.0

• Package Design forTop Slide or Bottom Circuit

Board Mounting

Derate Above 75°C

mW/°C

°C/W

Thermal Resistance from Junction

to−Lead

RJL

• Low Proﬁle Package

• These are Pb−Free Device

DC Power Dissipation (Note 3)

@ TA = 25°C

0.5

4.0

250

mW/°C

°C/W

Derate Above 25°C

Functional Diagram

Thermal Resistance from Junction–to–

Ambient

0JA

Cathode

Anode

Forward Surge Current (Note 4) @ TA

= 25°C

I_FSM

Additional Information

Operating and Storage Temperature

Range

-65 to

+150

T_J,T_stg

°C

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If

any of these limits are exceeded, device functionality should not be assumed, damage may

occur and reliability may be affected.

Samples

Datasheet

Resources

1. 10 X 1000 µs, non−repetitive.

2. 1” square copper pad, FR−4 board.

3. FR−4 board, using Littelfuse minimum recommended footprint, as shown in 403D-02

case outline dimensions spec.

4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per

minute maximum.

Speciﬁcations are subject to change without notice.

Revised: 09/14/17

12 3 4 5

中文翻译

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