SMAJ45A datasheet, PDF - EEWORLD Datasheet

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SMAJ45A: Description400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC; Categorysemiconductor Discrete semiconductor; File Size217KB，4 Pages; ManufacturerGood-Ark; Websitehttp://www.goodark.com/

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SMAJ45A Overview

400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC

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SMAJ5.0 thru 440CA

Surface Mount Transient Voltage Suppressors

Peak Pulse Power 400W Stand Off Voltage 5.0 to 440V

Features

Plastic package has Underwriters Laboratory Flammability

Classification 94V-0

Optimized for LAN protection applications

Ideal for ESD protection of data lines in accordance with

IEC 1000-4-2 (IEC801-2)

Ideal for EFT protection of data lines in accordance with

IEC 1000-4-4 (IEC801-4)

Low profile package with built-in strain relief for surface

mounted applications

Glass passivated junction

Low incremental surge resistance, excellent clamping capability

400W peak pulse power capability with a 10/1000us wave-

form, repetition rate (duty cycle): 0.01% (300W above 78V)

Very fast response time

High temperature soldering guaranteed:

250

C/10 seconds at terminals

Mechanical Data

Case: JEDEC DO-214AC(SMA) molded plastic over passivated

chip

Terminals: Solder plated, solderable per MIL-STD-750,

Method 2026

Polarity: For uni-directional types the band denotes the cathode,

which is positive with respect to the anode under normal TVS

operation

Mounting Position: Any

Weight: 0.002oz., 0.064g

Devices for Bidirectional Applications

For bi-directional devices, use suffix CA (e.g. SMAJ10CA). Electrical characteristics apply in both directions.

Maximum Ratings and Thermal Characteristics

(Ratings at 25

C ambient temperature unless otherwise specified.)

Parameter

Peak pulse power dissipation with

a 10/1000

s waveform

(1,2)

(see Fig. 1)

Peak pulse current with a 10/1000

s waveform

(1)

Peak forward surge current, 8.3ms single half sine-wave

uni-directional only

(2)

Typical thermal resistance, junction to ambient

(3)

Typical thermal resistance, junction to lead

Operating junction and storage temperature range

Notes:

Symbol

PPM

FSM

, T

STG

Value

400

See Next Table

120

-55 to +150

Unit

C/W

1. Non-repetitive current pulse, per Fig. 3 and derated above T

=25

C per Fig. 2. Rating is 300W above 78V

2. Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal

3. Mounted on minimum recommended pad layout

572

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