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ZM4739A Dataheets PDF



Part Number ZM4739A
Manufacturers Diodes
Logo Diodes
Description 1.0W SURFACE MOUNT ZENER DIODE
Datasheet ZM4739A DatasheetZM4739A Datasheet (PDF)

ZM4728A - ZM4764A 1.0W SURFACE MOUNT ZENER DIODE Features · 1.0W Power Dissipation · 3.9V - 100V Nominal Zener Voltages · Standard VZ Tolerance is 5% DISCONTINUED Use SMAZ OR DFLZ Series A Mechanical Data · Case: MELF, Glass · Terminals: Solderable per MIL-STD-202, Method 208 · Polarity: Cathode Band · Approx. Weight: 0.25 grams Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Zener Current (see Table page 2) Power Dissipation @ TA = 25°C Thermal Resistance - Juncti.

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ZM4728A - ZM4764A 1.0W SURFACE MOUNT ZENER DIODE Features · 1.0W Power Dissipation · 3.9V - 100V Nominal Zener Voltages · Standard VZ Tolerance is 5% DISCONTINUED Use SMAZ OR DFLZ Series A Mechanical Data · Case: MELF, Glass · Terminals: Solderable per MIL-STD-202, Method 208 · Polarity: Cathode Band · Approx. Weight: 0.25 grams Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Zener Current (see Table page 2) Power Dissipation @ TA = 25°C Thermal Resistance - Junction to Ambient Air Forward Voltage @ IF = 200 mA Operating & Storage Temperature Range Symbol IZ Pd RqJA VF Tj, TSTG B C MELF Dim Min Max A 4.80 5.20 B 2.40 2.60 C 0.55 Nominal All Dimensions in mm Value Pd/Vz 1 170 1.2 -65 to +200 Unit mA W °C/W V °C Notes: 1. Measured under thermal equilibrium and DC (IZT) test conditions. 2. The Zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZT or .


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