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| PFF2, PFF4, PFF6 Axial Leaded Hermetically Sealed Superfast Recovery Rectifier Diode POWER DISCRETES Description Quick reference data VR = 200 - 600V IF = 1.25A trr = 30nS IR = 1A Features Very low reverse recovery time Glass passivated for hermetic sealing Low switching losses Soft, non-snap off, recovery characteristics Avalanche capability Absolute Maximum Ratings Electrical specifications @ TA = 25C unless otherwise specified. Symbol Working Reverse Voltage Repetitive Reverse Voltage Average Forward Current @ 55C in free air, lead length 0.375" Repetitive Surge Current @ 55C in free air, lead length 0.375" Non-Repetitive Surge Current (tp = 8.3mS @ VR & TJMAX) Storage Temperature Range Operating Temperature Range VRWM VRRM IF(AV) IFRM IFSM TSTG TOP P FF2 200 200 P FF4 400 400 1.25 4.25 22.0 -65 to +175 -65 to +175 P FF6 600 600 Units V V A A A C C Revision: April 25, 2007 1 www.semtech.com PFF2, PFF4, PFF6 POWER DISCRETES Electrical Specifications Symbol Average Forward Current max (pcb mounted, TA = 55C) for sine wave for square wave Average Forward Current max. (TL = 55C; L = 3/8") for sine wave for square wave I2t for fusing (t = 8.3mS) max. Forward Voltage Drop max. @ IF = 1.0A, Tj = 25C Reverse Current max. @ VRWM, Tj = 25C @ VRWM, Tj = 100C Reverse Recovery Time max. 0.5A IF to 1.0A IRM recovers to 0.25A IRM(REC) Junction Capacitance typ. @ VR = 5V, f = 1MHz P FF2 P FF4 P FF6 Units IF(AV) IF(AV) 0.7 0.75 A IF(AV) IF(AV) I2t VF IR IR trr Cj 1.15 1.25 2.00 2.50 1.0 10.0 30 30 A A 2S V A nS pF Thermal Characteristics Symbol Thermal Resistance-Junction to Lead Lead length = 0.375" Lead length = 0.0" Thermal Resistance-Junction to Ambient on 0.06" thick pcb. 1 oz. copper R JL P F F 2, P F F 4, P F F 6 47 19 100 Units C/W R JA C/W 2007 Semtech Corp. 2 www.semtech.com PFF2, PFF4, PFF6 POWER DISCRETES Maximum Characteristics Figure 1. Forward voltage drops as a function of forward current. Figure 2. Maximum power versus lead temperature. Figure 3. Transient thermal impedance characteristic Figure 4. Typical junction capacitance as a function of reverse voltage. 2007 Semtech Corp. 3 www.semtech.com PFF2, PFF4, PFF6 POWER DISCRETES Ordering Information Part Number P F F 2, P F F 4, P FF6 Description Axial leaded hermetically sealed(1) Note: (1) Available in bulk and tape and reel packaging. Please consult factory for quantities. Outline Drawing Dimensions Inches DIMN A B C D MIN 1.10 MAX 1.50 .180 .032 Millimeters MIN 28.0 MAX 3.81 4.57 0.81 Note Weight = 0.013oz Contact Information Semtech Corporation Power Discretes Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 2007 Semtech Corp. 4 www.semtech.com |
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