PFM50A

PFM50A/PFM75A Axial Leaded Hermetically Sealed High Voltage Fast Rectifier Diode POWER DISCRETES Description Features Quick reference data ‹ ‹ ‹ ‹ ‹ ‹ VR = 5 - 7.5kV IF = 92mA trr = 250nS IR = 0.5µA 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 = 25°C unless otherwise specified. Symbol PFM50A PFM75A Units Working Reverse Voltage VRWM 5000 7500 V Repetitive Reverse Voltage VRRM 5650 8500 V Surge Reverse Voltage VRSM 5650 8500 V Average Forward Current @ 55°C, in oil IF(AV) 92 mA Repetitive Surge Current @ 55°C in oil, lead length 0.375" IF(AV) 1.0 A Non-Repetitive Surge Current (tp = 8.3mS @ VR & TJMAX) IFSM 2.0 A Storage Temperature Range TSTG -65 to +150 °C Revision: June 2, 2008 1 www.semtech.com PFM50A/PFM75A POWER DISCRETES Electrical Specifications Electrical specifications @ TA = 25°C unless otherwise specified. Symbol PFM50A/PFM75A Units IF(AV) 92 mA VF 12.5 V IR IR 0.5 20 µA Reverse Recovery Time max. 50mA IF, 100mA IR, 25mA IRM(REC) trr 250 nS Junction Capacitance typ. @ VR = 50V, f = 1KHz Cj 2 pF Average Forward Current max. Unstirred oil @ 55°C Forward Voltage Drop max. @ IF = 25mA, Tj = 25°C Reverse Current max. @ VRWM, Tj = 25°C @ VRWM, Tj = 100°C Thermal Characteristics Symbol PFM50A/PFM75A Units Thermal Resistance-Junction to Oil Stirred oil Unstirred oil Rθ JO 48 64 °C/W Thermal Resistance-Junction to Ambient On 0.06" thick pcb. 1oz copper Rθ JA 160 °C/W  2008 Semtech Corp. 2 www.semtech.com PFM50A/PFM75A POWER DISCRETES Ordering Information Part Number Description PFM50A/PFM75A 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 Note 1 Millimeters Note MIN MAX MIN MAX A - .118 - 3.0 - B 1.0 - 25.4 - - C - .374 - 9.5 - D - 0.033 - 0.84 - 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 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Semtech: PFM50A