1N3889 1N3891, 1N3893 Qualified Levels*: JAN, JANTX, and FAST RECOVERY RECTIFIERS Available on JANTXV commercial Qualified per MIL-PRF-19500/304* versions DESCRIPTION This 1N3889 1N3891 and 1N3893 family of rectifier devices are suitable for applications in DC power supplies, inverters, converters, choppers and ultrasonic systems as well as other applications. It can also be used as a free-wheeling diode. They are military qualified up to a JANTXV level on select part numbers and they are available in both standard and reverse polarities. Microsemi also offers numerous other products to meet higher and lower power voltage regulation applications. Important: For the latest information, visit our website 1N3889 1N3891, 1N3893 MECHANICAL and PACKAGING CASE: Hermetically sealed metal and glass case body with 10-32 UNF3A threaded stud. TERMINALS: Tin-lead plated or RoHS compliant matte-tin plating on nickel. Solder dipped eyelet. MARKING: Manufacturer s ID, part number, date code, polarity symbol. WEIGHT: 5 grams (approximate). Maximum Stud Torque: 10-15 inch pounds. See Package Dimensions on last page. PART NOMENCLATURE Applicable to 1N3889 only: 1N3889 A R (e3) JEDEC Registered Number RoHS Compliance (see Electrical Characteristics e3 = RoHS compliant table) Blank = non-RoHS compliant Current Rating Polarity A = 20 Amps R = Anode to Stud Blank = 12 Amps Blank = Cathode to Stud Applicable to 1N3890, 1N3891 and 1N3893 only: JAN 1N3890 A R (e3) Reliability Level RoHS Compliance JAN = JAN level e3 = RoHS compliant (on JANTX = JANTX level commercial grade only) JANTXV = JANTXV level Blank = non-RoHS compliant Blank = Commercial Polarity JEDEC Registered Number R = Anode to Stud (see Electrical Characteristics Blank = Cathode to Stud table) Current Rating A = 20 Amps Blank = 12 Amps T4-LDS-0143, Rev. 2 (120861) 2012 Microsemi Corporation Page 2 of 7