SMAJ4734A datasheet(1/2 Pages) ETC2

Il numero della parte	SMAJ4734A

Spiegazioni elettronici	Transient Voltage Suppressor

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Produttore elettronici	ETC2 [List of Unclassifed Manufacturers]

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SMAJ4728A thru SMAJ4751A

Document Number: SMAJ4728A thru SMAJ4751A

www.smsemi.com

Feb.29, 2012

1

Maximum Ratings and Electrical Characteristics @ 25

OC unless otherwise specified

Symbol

Conditions

Value

Unit

PM(AV)

Steady state maximum power dissipation

2.0

W

Izsm

Peak surge current

SEE TABLE1

A

VF

Maximum instantaneous forward voltage at 200mA

1.2

V

RθJL

Thermal resistance junction to lead

25

℃/W

TJ, TSTG

Operating and Storage Temperature

-65 to +150

℃

Transient Voltage Suppressor

Breakdown Voltage 3.3 to 30 Volts

Features



Extensive Voltages selection from 3.3 to 30V



Silicon 2.0 Watt Zener Diodes



Ideal for high-density and low-profile mounting



Regulates voltage over a broad operating current and

temperature range



Flexible axial-lead mounting terminals



High specified maximum current(IZM) when

adequately heat sinking



Mechanical Data



Case: Void-free transfer molded thermosetting epoxy

body meeting UL94V-O



Terminals: Tin-Lead or ROHS Compliant annealed

matte-Tin plating readily solderable per MIL-STD-750,

Method 2026



Marking: Body marked with part number



Polarity: Cathode indicated by band



Weight: 0.3g（Approximately）

CASE: SMA (DO214AC)

Dimensions in inches and (millimeters)

Application



Use in sensitive electronics protection against voltage

transients induced by inductive load switching and

lighting on ICS, MOSFE, signal lines of sensor units

for consumer, computer, industrial, automotive and

telecommunication



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