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SMAJ4728A Datasheet, PDF (1/2 Pages) Micro Commercial Components – 1 Watt Zener Diode 3.3 to 75 Volts
SMAJ4728A thru SMAJ4751A
Transient Voltage Suppressor
Breakdown Voltage 3.3 to 30 Volts
CASE: SMA (DO214AC)
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
印无效 Dimensions in inches and (millimeters)
 High specified maximum current(IZM) when
adequately heat sinking
A pplication
 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
M echanical 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)
打 Maximum Ratings and Electrical Characteristics @ 25OC 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
RθJL
TJ, TSTG
Maximum instantaneous forward voltage at 200mA
Thermal resistance junction to lead
Operating and Storage Temperature
1.2
25
-65 to +150
V
℃/W
℃
Document Number: SMAJ4728A thru SMAJ4751A
Feb.29, 2012
1
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