Datasheet > 1SMA70AT3G

1SMA70AT3G

更新时间： 2024-11-19 20:16:19

品牌	Logo	应用领域
力特 - LITTELFUSE		/
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5页	344K
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1SMA70AT3G 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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1SMA70AT3G 替代型号

型号	品牌	替代类型	描述	数据表
SZ1SMA70AT3G	LITTELFUSE	类似代替	Trans Voltage Suppressor Diode, 400W, 70V V(RWM), Unidirectional, 1 Element, Silicon, SMA,
SMAJ70A	LITTELFUSE	类似代替	Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors
SMAJ70A	STMICROELECTRONICS	功能相似	400W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC

与1SMA70AT3G相关器件

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1SMA75A	SUNMATE	获取价格	400W patch TVS transient suppression diode SMA 75V
1SMA75AT3	MOTOROLA	获取价格	Zener Transient Voltage Suppressors
1SMA75AT3	ONSEMI	获取价格	400 Watt Peak Power Zener Transient Voltage Suppressors

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