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1N4728A Datasheet, PDF (1/3 Pages) Motorola, Inc – One Watt Hermetically Sealed Glass Silicon Zener Diodes | |||
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1N4728A thru 1N4751A
Transient Voltage Suppressor
Breakdown Voltage 3.3 to 30 Volts
CASE: DO-204AL (DO-41)
Features
ï¬ Extensive Voltages selection from 3.3 to 30V
ï¬ Silicon 1.0 Watt Zener Diodes
ï¬ Hermetically sealed glass body construction
Application
ï¬ Voltage stabilization
ï¬ Regulates voltage over a broad operating current
and temperature range
ï¬ Flexible axial-lead mounting terminals
Mechanical Data
ï¬ Case: Void-free transfer molded thermosetting epoxy
æ body meeting UL94V-O
ï¬ Terminals: Tin-Lead or ROHS Compliant annealed
matte-Tin plating readily solderable per MIL-STD-750,
Method 2026
ï¬ Marking: Part number
æ ï¬ Polarity: Cathode indicated by band
ï¬ Weight: 0.3gï¼Approximatelyï¼
å° Dimensions in inches and (millimeters)
æ Maximum Ratings and Electrical Characteristics @ 25OC unless otherwise specified
Symbol
Conditions
Value
Unit
PM(AV)
Steady state power at TL⤠95â 0.375â(10mm) from body
Steady state power at TA⤠35â when mounted on FR4 PC described for
thermal resistance (also see Fig.1)
1.0
W
1.0
W
VF
RθJL
RθJA
TJ, TSTG
Maximum instantaneous forward voltage at 200mA
Thermal resistance junction to lead
Thermal resistance junction to ambient
Operating and Storage Temperature
1.2
80
140
-65 to +175
V
â/W
â/W
â
Document Number: 1N4728A thru 1N4751A
Feb.29, 2012
1
www.smsemi.com
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