WTE
POWER SEMICONDUCTORS
Pb
1N4728A – 1N4764A
1.0W ZENER DIODE
Features
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Planar Die Construction
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1.0 Watt Power Dissipation
3.3 – 100V Nomimal Zener Voltage
5% Standard Vz Tolerance
A
B
A
Low Inductance
Typical IR Less Than 5.0µA Above 11V
Plastic Case Material Has UL Flammability
Classification Rating 94V-O
C
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DO-41 GLASS
Mechanical Data
Dim
A
Min
25.40
4.10
0.65
2.50
Max
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!
Case: DO-41 Glass Package
Terminals: Axial Leads, Solderable per
MIL-STD-202, Method 208
—
B
5.20
0.75
3.20
C
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Polarity: Cathode Band
Marking: Type Number
Weight: 0.35 grams (approx.)
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
D
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Pulse Power Dissipation at TA = 50°C (Note 1)
Derate above 50°C
1.0
6.67
W
mW/°C
Pd
Peak Forward Surge Current (Note 2)
Forward Voltage @ IF = 200mA
IFSM
VF
10
1.2
A
V
Operating and Storage Temperature Range
Tj, TSTG
-65 to +150
°C
Note: 1. Mounted on 5.0mm2 (0.013mm thick) land area.
2. Measured on 8.3ms single half sine-wave duty cycle = 4 pulses per minutes maximum.
1N4728A – 1N4764A
1 of 4
© 2006 Won-Top Electronics