ZM4728 thru ZM4764
Vishay Semiconductor
Zener Diodes
VZ Range 3.3 to 100V
Power Dissipation 1W
Glass MELF
Mounting Pad Layout
0.157 (4.00)
MAX
Cathode Mark
0.049 (1.25) MIN
0.118 (3.00) MIN
0.022 (0.55)
0.205 (5.2)
0.256 (6.50)
REF
0.189 (4.8)
Mechanical Data
Features
Case: MELF Glass Case
Weight: approx. 0.25g
Packaging Codes/Options:
• Silicon Planar Power Zener Diodes
• For use in stabilizing and clipping circuits with
higher power rating.
E4/5K per 13” reel (12mm tape), 10K/box
25/1.5K per 7” reel (12mm tape), 12K/box
• Standard Zener voltage tolerance is ±10%. Add
suffix “A” for ±5% tolerance. Other Zener voltages
and tolerances are available upon request.
• These diodes are also available in the DO-41
case with type designation 1N4728 ... 1N4764
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Unit
Zener Current (see Table “Characteristics”)
Power Dissipation at Tamb = 25°C
Thermal Resistance Junction to Ambient Air
Junction Temperature
Ptot
RθJA
Tj
1.0(1)
170(1)
W
°C/W
°C
200
Storage Temperature Range
TS
–65 to +200
°C
Note: (1) Valid provided that electrodes are kept at ambient temperature
Document Number 88410
03-Jan-02
www.vishay.com
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