SEME SBR1645-T254 LAB MECHANICAL DATA Dimensions in mm 13.59 (0.535) 13.84 (0.545) 6.32 (0.249) 6.60 (0.260) 1.02 (0.040) 1.27 (0.050) 30.35 (1.195) 31.40 (1.235) 16.89 (0.665) 17.40 (0.685) 13.59 (0.535) 13.84 (0.545) 20.07 (0.790) 20.32 (0.800) 3.53 (0.139) Dia. 3.78 (0.149) 1 2 DUAL SCHOTTKY BARRIER RECTIFIER IN A TO254 HERMETICALLY SEALED PACKAGE FOR HI–REL APPLICATIONS 3 FEATURES 0.89 (0.035) 1.14 (0.045) 3.81 (0.150) BSC 3.81 (0.150) BSC TO–254METAL PACKAGE Pin 1– Anode 1 Pin 2 – Cathode • • • • • HERMETIC TO254 METAL PACKAGE ISOLATED CASE 16A, 45V COMMON CATHODE MILITARY OPTIONS AVAILABLE Pin 3 – Anode 2 ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated) VRRM Peak Repetitive Reverse Voltage VRWM Working Peak Reverse Voltage IF(AV) Average rectified Forward Current (TC = 125°C) IFRM Peak Repetitive Forward Current (TC = 125°C) TFSM Nonrepetitive Peak Surge Current IRRM Peak Repetitive Reverse Surge Current RqJC MBR1645 45V 45V 16A 32A 150A 10A 2°C/W Thermal Resistance, Junction to Case ELECTRICAL CHARACTERISTICS (Per Diode) Parameter Test Conditions VF Forward Voltage(1) IR Reverse Current (1)Pulse Test: Pulse Width = 300 ms. Duty Cycle Semelab plc. Min. Typ. Max. IF = 16A TC = 125°C 0.57 IF = 16A TC = 25°C 0.63 VR = VRRM TC = 125°C 40 VR = VRRM TC = 25°C 0.2 Unit V mA £ 2.0% Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: [email protected] Website: http://www.semelab.co.uk Prelim. 2/98