SZ1.5SMC12AT3G

更新时间： 2024-03-18 18:39:47

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
5页	377K
描述
SZ1.5SMC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。 SZ1.5SMC系列采用Littelfuse独

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SZ1.5SMC12AT3G 数据手册

TVS Diodes

Surface Mount > 1500W > 1.5SMC6.8AT3G

1.5SMC6.8AT3G

Description

The 1.5SMC6.8AT3G 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 1.5SMC6.8AT3G series is supplied in the

exclusive, cost-effective, highly reliable Littelfuse 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

• Standard Zener Breakdown Voltage Range −

6.7 V to 91.25 V

Maximum Ratings andThermal Characteristics

Parameter

Symbol

P_PK

Value

1500

Unit

• Peak Power − 1500 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

• Maximum Clamp Voltage @ Peak Pulse Current

• Low Leakage < 5 µA Above 10 V

DC Power Dissipation @TL = 75°C

Measured Zero Lead Length (Note 2)

4.0

Derate Above 75°C

54.6

18.3

mW/°C

°C/W

• UL 497B for Isolated Loop Circuit Protection

• MaximumTemperature Coefﬁcient Speciﬁed

• ResponseTime isTypically < 1 ns

Thermal Resistance from Junction−to−

Lead

0.75

6.1

DC Power Dissipation (Note 3) @TA =

25°C Derate Above 25°C

• Pb−Free Packages are Available

mW/°C

°C/W

Thermal Resistance from Junction–to–

Ambient

165

0JA

Functional Diagram

Forward Surge Current (Note 4) @TA

= 25°C

I_FSM

200

Cathode

Anode

Operating and StorageTemperature

Range

-65 to

+150

T_J,T_stg

°C

Additional Information

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are

stress ratings only. Functional operation above the Recommended Operating Conditions is

not implied. Extended exposure to stresses above the Recommended Operating Conditions

may affect device reliability.

1. 10 x 1000 µs, non−repetitive.

Samples

Datasheet

Resources

2. 1 in square copper pad, FR−4 board.

3. FR−4 board, using Littelfuse minimum recommended footprint, as shown in 403-03

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

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