Details, datasheet, quote on part number: 1N4728A
Description1.0W Zener Diode
CompanyDiodes, Inc.
DatasheetDownload 1N4728A datasheet
Cross ref.Similar parts: BZX85C3V3, 1N5333B, 1N5333BG, HZ5.1BP, HZ4.7BP, 1N4728, 1N4728ARL, 1N4728B, 1N4728RL
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Features, Applications
1.0 Watt Power Dissipation - 100V Nominal Zener Voltage Standard VZ Tolerance is 5%

Case: DO-41, Glass Terminals: Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Marking: Type Number Approx. Weight: 0.35 grams

= 25C unless otherwise specified Symbol IZ (Note 1) Pd RqJA VF Tj, TSTG Value + 200 Unit mA W mW/C C/W V C

Characteristic Zener Current (see Table page 2) Power Dissipation Derate Above 50C Thermal Resistance - Junction to Ambient Air Forward Voltage 200 mA Operating and Storage Temperature Range

1. Valid provided that leads are kept 50C with lead length 9.5mm (3/8") from case.

2. Measured under thermal equilibrium and dc (IZT) test conditions. 3. The Zener impedance is derived from the Hz ac voltage which results when an ac current having an rms value equal 10% of the Zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units.

TA, AMBIENT TEMPERATURE Fig.1 Power Dissipation vs Ambient Temperature


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