Surface Mount Zener Diodes
SMA4728A - SZ1330A Series
VZ: 3.3 To 330 V
PD: 1 W
Features
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Glass passivated chip
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Low leakage
Built-in strain relief
Low inductance
High peak reverse power dissipation
Lead-Free component
For use in stabilizing and clipping with high power rating
Mechanical Data
Schematic Symbol
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Case: Molded plastic
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Epoxy: UL 94V-0 rate flame retardant
Lead: Solderable per MIL-STD-750, method 2026
Polarity: Color band denotes cathode end
Mounting position: Any
Cathode
Anode
Maximum Ratings (TA=25℃ unless otherwise noted)
Parameter
DC power dissipation at TL = 50 °C (1)
Maximum forward voltage at IF = 200 mA
Maximum thermal resistance junction to ambient air(2)
Junction temperature range
Symbol
PD
Value
1
Unit
W
VF
1.2
V
RθJA
170
K/W
°C
°C
TJ
-55 to +175
-55 to +175
Storage temperature range
TSTG
Notes:
(1) TL=Lead temperature 3/8″ (9.5mm) from body
(2) Valid provided that leads are kept at ambient temperature a distance of 10mm from case
SOCAY Electronics Co., Ltd.
www.socay.com
@ SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Revision November 21, 2013
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