SanRex ISOLATED DIODE MODULE (SOFT RECOVERY DIODE) DSR300BA50/60 VRRM=500/600V, IFAV =300A, trr=250 ns, Softness=0.8 SanRex Soft Recovery Diode Module DSR300BA is designed for applications requiring fast switching and soft recovery wave shape to reduce or eliminate the need for snubber components in the circuit. The modules are isolated for easy mounting with other components or a common heatsink. Features * Very Fast Reverse Recovery Time * Soft Recovery Characteristics * Low Forward Voltage Drop * UL registered E76102 Typical Applications * Welding and Plasma Cutting Machines * DC chopper * Rectifier in Switch Mode Power Supplies (SMPS) * Uninterruptible Power Supplies (UPS) * Free Wheeling Diode in converters and motor control circuits ° < Maximum Ratings > Symbol Item VRRM Ratings DSR300BA50 500 VR(DC) Repetitive Peak Reverse Voltage Reverse D.C. Voltage Symbol IF(AV) Item Average Forward Current IFSM I2t Tj Tstg V ISO Surge Forward Current I 2 t (for fusing) Junction Temperature Storage Temperature Isolation Voltage (R.M.S.) ½ cycle, 60Hz, Peak value, non-repetitive Value for one cycle surge current Mounting Torque Mass Recommended 2.5-3.9 (25-40) Recommended 1.5-2.5 (15-25) Typical Value Mounting M6 Terminal M5 < Electrical Characteristics > Symbol Item IRRM VFM t rr t b/ t (Tj= 25 C unless otherwise specified) Unit DSR300BA60 600 V 400 D.C., T 480 Conditions = 72°C C A.C. 1 minute V Ratings 300 Unit A 4000 66400 -40 to +150 -40 to +125 2500 A A 2s °C °C V 4.7(48) 2.7(28) 170 Nžm (kgfžcm) G ° Conditions Repetitive Peak Reverse Current Forward Voltage Drop VR = VRRM, Tj = 125°C Reverse Recovery Time Softness IF = 300A, VR =300V, -di / dt = 100A/Fs (Tj= 25 C unless otherwise specified) Ratings Unit Min. Typ. Max. 300 MA IF = 300A, Inst. Measurement 1.20 1.30 V 250 300 Ns a IF = 300A, VR =300V, -di / dt = 100A/Fs Rth(j-c) Thermal Resistance Junction to case, ½ module 0.20 °C/W _________________________________________________________________________________________________________ 0.80 SanRex 50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: [email protected]