Details, datasheet, quote on part number: NTE5257AK
PartNTE5257AK
CategoryDiscrete => Diodes & Rectifiers => Voltage Regulators
Description50 Watt Zener Diode, +-5% Tolerance. Nominal Zener Voltage VZ = 3.9V. Zener Test Current Izt = 3200mA.
CompanyNTE Electronics, Inc.
DatasheetDownload NTE5257AK datasheet
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Features, Applications

Features: D Zener Voltage 200V D Low Zener Impedance D Highly Reliable and Rugged D Also Available in Reverse Polarity (NTE5240AK thru NTE5296AK) Maximum Ratings: Operating Junction Temperature Range, Topr. to +175C Storage Temperature Range, Tstg. +175C DC Power Dissipation, PD. 50W Derate Above 75C. 0.5W/C Forward Voltage (IF = 10A), VF. 1.5V Note 1. Suffix "A" denotes anode to case polarity, "AK" denotes cathode to case. Electrical Characteristics: (TC = +30C, unless otherwise specified)

Electrical Characteristics (Cont'd): (TC = +30C, unless otherwise specified)

Note 2. Zener Voltage (Vz) is measured with junction in thermal equilibrium with 30C stud temperature. Note 3.The zener impedance is derived from the 60 cycle A.C. voltage, which results when an AC current having an RMS value equal 10% of the DC zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at 2 points to insure a sharp knee on the breakdown curve and to eliminate unstable units.


 

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