®
1SMA2EZ2.7D5 – 1SMA2EZ330D5
2.0W SURFACE MOUNT ZENER DIODE
WON-TOP ELECTRONICS
Pb
Features
Glass Passivated Die Construction
2.0W Power Dissipation
2.7V – 330V Nominal Zener Voltage
5% Standard Vz Tolerance
Low Inductance
For Use in Voltage Regulator or Reference
Plastic Case Material has UL Flammability
Classification Rating 94V-0
B
D
A
F
C
H
G
E
SMA/DO-214AC
Min
Mechanical Data
Dim
A
Max
2.92
4.60
1.90
0.305
5.30
2.44
0.203
1.52
Case: SMA/DO-214AC, Molded Plastic
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
Polarity: Cathode Band
2.29
B
4.00
C
1.27
D
0.152
4.80
Marking: Device Code
E
Weight: 0.064 grams (approx.)
F
2.00
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 6
G
H
0.051
0.76
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Power Dissipation at TL = 60°C (Note 1)
Forward Voltage @ IF = 200mA
Symbol
PD
Value
2.0
Unit
W
VF
1.2
V
Thermal Resistance, Junction to Ambient (Note 2)
Thermal Resistance, Junction to Lead (Note 1)
RθJA
RθJL
250
50
°C/W
°C
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150
Note: 1. Mounted on FR-4 PCB with 25.4 x 25.4mm copper pads.
2. Mounted on ceramic substrate with minimum recommended pad layout.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
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