Datasheet > SMAJ18A-HRA

SMAJ18A-HRA

更新时间： 2023-12-06 20:12:44

品牌	Logo	应用领域
力特 - LITTELFUSE		电子计算机电信
页数	文件大小	规格书
6页	939K
描述
SMAJ-HRA高可靠性系列专门用于保护敏感电子设备，使其免受雷击和其它瞬态电压事件产生的瞬态电压危害。功能与特色应用瞬态抑制组件非常适合保护输入/输出接口、VCC总线和其他用于电信、计算机

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SMAJ18A-HRA 数据手册

TVS Diodes Datasheet

SMAJ-HRA Series

Surface Mount - 400W

RoHS

Description

The SMAJ-HRA High Reliability series is designed

Uni-directional

speciﬁcally to protect sensitive electronic equipment from

voltage transients induced by lightning and other transient

voltage events.

Bi-directional

Features

■ Excellent clamping capability

■ Glass passivated junction

■ Low inductance

■ Typical I_R≤ 1μA for V_R> 10V

■ For surface mounted

applications to optimize board

space

■ High temperature to reﬂow

soldering guaranteed:

260°C/40sec

Agency Approvals

■ Low proﬁle package

■ V_BR@T_J= V_BR@25°C x (1+αT

x (T_J- 25))(αT:Temperature

Coefﬁcient, typical value is

0.1%) Coefﬁcient, typical value

■ Typical failure mode is short

from over-speciﬁed voltage or

current

Agency

Agency File/Certiﬁcate Number

E230531

■ Whisker test is conducted

based on JEDEC JESD201A

per its table 4a and 4c

■ UL Recognized epoxy meeting

ﬂammability rating V-0

Maximum Ratings &Thermal Characteristics

(T_A=25°C unless otherwise noted)

■ Meet MSL level1, per

J-STD-020, LF maximun peak

of 260°C

■ ESD protection of data lines in

accordance with IEC 61000-4-

2, 30kV(Air), 30kV (Contact)

Parameter

Symbol

Value

Unit

■ Matte tin lead–free Plated

■ EFT protection of data lines in

accordance with IEC 61000-

4-4

Peak Pulse Power Dissipation (I_PP

V_C) by 10/1000μs Waveform (Fig.2)

(Note 1), (Note 2)

■ Halogen free and RoHS

compliant

P_PPM

400

■ Pb-free E3 means 2nd level

interconnect is Pb-free and

the terminal ﬁnish material

is tin(Sn) (IPC/JEDEC J-STD-

609A.01)

■ Built-in strain relief

Power Dissipation on Inﬁnite Heat

Sink atT_L=50°C

Peak Forward Surge Current, 8.3ms

Single Half Sine Wave (Note 3)

Maximum Instantaneous Forward

Voltage at 25A for Unidirectional

Only

P_D

I_FSM

V_F

3.3

■ 400W Peak pulse power

capability at 10/1000μs

waveform, repetition rate (duty

cycle): 0.01%

3.5

■ Fast response time: typically

less than 1.0ps from 0 Volts to

V_BRmin

OperatingTemperature Range

T_J

-65 to 150

-65 to 175

°C

StorageTemperature Range

T_STG

TypicalThermal Resistance Junction

to Lead

°C/W

R_θJL

R_θJA

TypicalThermal Resistance Junction

to Ambient

120

Notes:

1. Non-repetitive current pulse , per Fig. 4 and derated aboveT_J(initial) =25^OC per Fig. 3.

2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal.

3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional

component only

Functional Diagram

Applications

TVS Components are ideal for the protection of I/O Interfaces, V_CC

bus and other vulnerable circuits used in Telecom, Computer,

Industrial and Consumer electronic applications.

Bi-directional

Cathode

Anode

Uni-directional

Speciﬁcations are subject to change without notice.

Revised: 03/30/22

12 3 4 5 6

中文翻译

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与SMAJ18A-HRA相关器件

型号	品牌	获取价格	描述	数据表
SMAJ18A-M3/5A	VISHAY	获取价格	TVS DIODE 18V 29.2V DO214AC
SMAJ18A-M3/61	VISHAY	获取价格	TVS DIODE 18V 29.2V DO214AC
SMAJ18AQ	YANGJIE	获取价格	Surface Mount Transient Voltage Suppressors
SMAJ18AQ	MCC	获取价格	Tape: 5K/Reel, 80K/Ctn;
SMAJ18AQ	DIODES	获取价格	400W Surface Mount Transient Voltage Suppressor
SMAJ18A-Q	BOURNS	获取价格	TVS DIODE 18V 29.2V SMA
SMAJ18A-Q1	ANBON	获取价格	SMA
SMAJ18A-QH	BOURNS	获取价格	TVS DIODE 18V 29.2V SMA
SMAJ18A-T3	SENSITRON	获取价格	Trans Voltage Suppressor Diode, 400W, 18V V(RWM), Unidirectional, 1 Element, Silicon, DO-2
SMAJ18A-TP	MCC	获取价格	400 Watt Transient Voltage Suppressors 5.0 to 440 Volts

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