Details, datasheet, quote on part number: NTE5185A
PartNTE5185A
CategoryDiscrete => Diodes & Rectifiers => Voltage Regulators
DescriptionZener Diode, 10 Watt, +-5% Tolerance. Nominal Zener Voltage VZ = 3.9V. Zener Test Current Izt = 640mA.
CompanyNTE Electronics, Inc.
DatasheetDownload NTE5185A datasheet
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Features, Applications

Features: D Zener Voltage D DO4 Stud Mount Package Absolute Maximum Ratings: Forward Voltage (IF = 2A), VF. 1.5V DC Power Dissipation, PD. 10W Derate Above 50C. 80mW/C Operating Junction Temperature Range, Topr. to +175C Storage Temperature Range, Tstg. to +175C Electrical Characteristics: (TC = +30C, unless otherwise specified)

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

Nominal Zener Voltage Vz @ Izt (Note 2) Volts 8.7 Zener Test Current (Izt) mA 290 Maximum Dynamic Impedance (Note 3) Zzt @ Izt Ohms 1.7 Zzk @ 1mA (Izk) Ohms 250 Maximum DC Zener Current* (Izm) (Note mA 1000 Typical Temperature Coefficient vz %/C.049 Maximum Leakage Current VR A Volts 37 6.6

Nominal Zener Voltage Vz @ Izt (Note 2) Volts Zener Test Current (Izt) mA Maximum Dynamic Impedance (Note 3) Zzt @ Izt Ohms Zzk @ 1mA (Izk) Ohms Maximum DC Zener Current* (Izm) (Note 4) mA Typical Temperature Coefficient vz %/C Maximum Leakage Current VR A Volts

* Stud Temperature = +75C Note 1. The NTE type 10W Zener Diodes listed have Anode (Standard Polarity) connected to stud. Add suffix letter "K" to the device number for Cathode (Reverse Polarity) connected to stud (i. e. NTE5174AK). Note 2. The electrical characteristics are measured after allowing the device to stabilize for 90 seconds with +30C base temperature. Note 3. The zener impedance (Zzt) is derived from the 60Hz AC 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. When making zener impedance measurements at the IZK test point, it may be necessary to insert a 60Hz band pass filter between the diode and voltmeter to avoid errors resulting from low level noise signals. Note 4. These values of IZM may be exceeded in the case of individual diodes. The values shown are calculated for the worst case which is a unit of 5% tolerance at the high voltage and of its tolerance range. Allowance has also been made for the rise in zener voltage above VZT, which results from zener impedance and the increase in junction temperature as power dissipation approaches 10 watts.


 

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