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| PFM50A/PFM75A Axial Leaded Hermetically Sealed High Voltage Fast Rectifier Diode POWER DISCRETES Description Quick reference data VR = 5 - 7.5kV IF = 92mA trr = 250nS IR = 0.5A Features Low reverse recovery time Very low leakage current Glass passivated for hermetic sealing Soft, non-snap off, recovery characteristics Avalanche capability Please contact factory regarding HR screening Absolute Maximum Ratings Electrical specifications @ TA = 25C unless otherwise specified. Symbol Working Reverse Voltage Repetitive Reverse Voltage Surge Reverse Voltage Average Forward Current @ 55C, in oil Repetitive Surge Current @ 55C in oil, lead length 0.375" Non-Repetitive Surge Current (tp = 8.3mS @ VR & TJMAX) Storage Temperature Range VRWM VRRM VRSM IF(AV) IF(AV) IFSM TSTG PFM50A 5000 5650 5650 92 1.0 2.0 PFM75A 7500 8500 8500 Units V V V mA A A C -65 to +150 Revision: June 2, 2008 1 www.semtech.com PFM50A/PFM75A POWER DISCRETES Electrical Specifications Electrical specifications @ TA = 25C unless otherwise specified. Symbol Average Forward Current max. Unstirred oil @ 55C Forward Voltage Drop max. @ IF = 25mA, Tj = 25C Reverse Current max. @ VRWM, Tj = 25C @ VRWM, Tj = 100C Reverse Recovery Time max. 50mA IF, 100mA IR, 25mA IRM(REC) Junction Capacitance typ. @ VR = 50V, f = 1KHz IF(AV) VF PFM50A/PFM75A 92 12.5 Units mA V IR IR trr Cj 0.5 20 250 2 A nS pF Thermal Characteristics Symbol Thermal Resistance-Junction to Oil Stirred oil Unstirred oil Thermal Resistance-Junction to Ambient On 0.06" thick pcb. 1oz copper R JO R JA PFM50A/PFM75A 48 64 160 Units C/W C/W 2008 Semtech Corp. 2 www.semtech.com PFM50A/PFM75A POWER DISCRETES Ordering Information Part Number PFM50A/PFM75A Description Axial leaded hermetically sealed(1) Note: (1) Available in bulk and tape and reel packaging. Please consult factory for quantities. Outline Drawing G82 Dimensions Inches DIMN Note 1 Millimeters MIN 25.4 MAX 3.0 9.5 0.84 Note MIN 1.0 - MAX .118 .374 0.033 A B - Note 1 C D Note: 1. Lead diameter not controlled in this area. Contact Information Semtech Corporation Power Discretes Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 2008 Semtech Corp. 3 www.semtech.com |
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