1N2970B 1N3015B and 1N3993A 1N3998A Qualified Levels: 10 Watt Zener Diodes JAN, JANTX, and Available on commercial JANTXV Qualified per MIL-PRF-19500/124 versions DESCRIPTION The JEDEC registered 1N2970B through 1N3015B and 1N3993A through 1N3998A series are 10W Zener diodes with voltage regulation values between 3.9 and 200V. They are available in JAN, JANTX, and JANTXV military qualification grades on most voltage values. Important: For the latest information, visit our website 1N2970B 1N3015B and 1N3993A 1N3998A MECHANICAL and PACKAGING CASE: Industry standard DO-4, (DO-203AA), 7/16 hex, stud with 10-32 threads, welded, hermetically sealed metal and glass. TERMINALS: Tin-lead plated or RoHS compliant matte-tin plating (commercial grade only) on nickel. POLARITY: 1N2970B 1N3015B: Std. Polarity is anode to stud. Reverse polarity (cathode to stud) indicated by suffix RB. 1N3993A 1N3998A: Std. Polarity is cathode to stud. Reverse polarity (anode to stud) indicated by suffix RA. MOUNTING HARDWARE: Consult factory for optional insulator, bushing solder terminal, washers, and nut. WEIGHT: Approximately 7.5 grams. See Package Dimensions on last page. PART NOMENCLATURE 1N2970 1N3015 series only: JAN 1N2970 R B e3 Reliability Level RoHS Compliance JAN = JAN level e3 = RoHS compliant (available JANTX = JANTX level on commercial grade only) JANTXV = JANTXV level Blank = non-RoHS compliant Blank = Commercial 5% Tolerance JEDEC type number (Consult factory for other (see Electrical Characteristics tolerances) table) Polarity blank = Standard (Anode to Stud) R = Reverse (Cathode to Stud) 1N3993 1N3998 series only: JAN 1N3993 R A e3 Reliability Level RoHS Compliance JAN = JAN level e3 = RoHS compliant (available JANTX = JANTX level on commercial grade only) JANTXV = JANTXV level Blank = non-RoHS compliant Blank = Commercial 5% Tolerance JEDEC type number (Consult factory for other (see Electrical Characteristics tolerances) table) Polarity blank = Standard (Cathode to Stud) R = Reverse (Anode to Stud) T4-LDS-0075, Rev. 3 (5/24/13) 2013 Microsemi Corporation Page 2 of 8
