10 WATT ZENER DIODES. High-reliability discrete products and engineering services since 1977

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1 FEATURES Available as HR (high reliability) screened per MILPRF19, JANTX level. Add HR suffix to base part. Available as nonrohs (Sn/Pb plating), standard, and as RoHS by adding PBF suffix. MAXIMUM RATINGS Parameter Value Junction erature 65 C to +5 C Storage erature 65 C to +200 C DC power dissipation watts Power derating 80 mw/ C above C A: 1.5 volts Thermal resistance C/W (typical) junction to case () Solder erature 260 C for s (max) ELECTRICAL CHARACTERISTICS (TA = C unless otherwise specified) (IZM). 1 1N99A N99A N995A N996A /.0 1N997A N998A N999A N0A N2970B N2971B N2972B N297B N297B N29B N2976B N2977B N2978B N2979B cathode to Rev. 201

2 ELECTRICAL CHARACTERISTICS (TA = C unless otherwise specified) (IZM). 1 1N2980B N2981B N2982B N298B N298B N2985B N2986B N2987B N2988B N2989B N2990B N2991B N2992B N299B N299B N2995B N2996B N2997B N2998B N099B N000B N001B N002B N00B N00B N005B N006B N007B N008B N009B N0B Rev. 201

3 (IZM). 1 1N011B N0B N01B N0B N0B Note 1: 1N991N0 series: suffix A indicates +/5% tolerance, no suffix indicates +/% tolerance. 1N29701N0 series: suffix B indicates +/5% tolerance, suffix A indicates +/% no suffix indicates +/20% tolerance, suffix C indicates +/2% tolerance, suffix D indicates +/1% tolerance. Note 2: The electrical characteristics are measured after allowing the device to stabilize for 90 seconds with 0 C base erature Note : The Zener impedance (ZZT) is derived from the 60 Hz ac, which results when an ac having an rms value equal to % of the dc (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 60 Hz band pass filter between the diode and the voltmeter to avoid errors resulting from low level noise signals. Note : These values of IZM may be exceeded in the case of the individual diodes. The values shown are calculated for the worst case that is a unit of +/5% tolerance at the high end of its tolerance range. Allowance has also been made for the rise in Zener above V ZT, which results from Zener impedance and the increase in junction erature as power dissipation approaches watts. MECHANICAL CHARACTERISTICS Case DO Marking Alphanumeric Anode to (1N29701N0) Cathode to (1N991N0) DO A B C D E F G H Inches Millimeters Rev. 201

4 MECHANICAL CHARACTERISTICS Case DOR Marking Alphanumeric Cathode to (1N29701N0) Anode to (1N991N0) DOR A B C D E F G H Inches Millimeters Rev. 201

5 Rev. 201