1N4245, 1N4246, 1N4247, 1N4248, 1N4249 General Purpose Silicon Rectifiers POWER DISCRETES Description Features Quick reference data VR = 200V - 1000V IF = 1.0A trr = 2µS V = 1.2V F 1 Amp 55°C/no heat sink Monolithic non-cavity construction Fused metal oxide hermetic seal Superior thermal shock resistance Low thermal impedance Low reverse leakage PIV to 1000 volts These products can be supplied as JAN, JANTX or JANTXV per MIL-S-19500/286 Electrical Specifications Electrical specifications: All temperatures are local ambient , 25°C unless otherwise specified. Device Types Reverse Voltage VRWM VRRM Forw ard Reverse Instantaneous Repetitive Current Current (Max) Forw ard Surge (1) Voltage Current Free Air 55°C IR VF @ IF = 1.0Adc IFRM 1 Cycle Surge Current tp = 8.3ms Reverse Recovery Time (2) Typical Thermal Impedance (3) IFSM Trr θJ-L µS °C/Watt UAdc V V A 25°C 100°C V dc A (pk) A (pk) Max. Typ. d=0 d = .375 1N4245 200 200 1.0 1.0 25 1.2 10 30 2 1 7 38 1N4246 400 400 1.0 1.0 25 1.2 10 30 2 1 7 38 1N4247 600 600 1.0 1.0 25 1.2 10 30 2 1 7 38 1N4248 800 800 1.0 1.0 25 1.2 10 30 2 1 7 38 1N4249 1000 1000 1.0 1.0 25 1.2 10 30 2 1 7 38 Notes: (1) The 1.0 amp rating @ 55°C requires no heat sinking, special mounting, or forced air across the body of the device. (2) Recovery conditions: 0.5 Amp forward current to -1.0 Amp reverse current. Recovery time measured when rectifier recovers to -.25 Amp. Storage temperature: -65°C to +175°C. Revision: May 30, 2007 1 www.semtech.com 1N4245, 1N4246, 1N4247, 1N4248, 1N4249 POWER DISCRETES Ordering Information Part Number 1N4245 1N4246 1N4247 1N4248 1N4249 Description Axial leaded hermetically sealed(1) Note: (1) Available in bulk or tape and reel packaging. Please consult factory for quantities. Outline Drawing Dimensions Inches DIMN Note 1. 0.030" 0.030" Millimeters Note MIN MAX MIN MAX A .065 .110 1.65 2.79 - B 1.00 1.25 25.4 31.7 - C .140 .165 3.56 4.19 - D .027 .031 .686 .786 - 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 2007 Semtech Corp. 2 www.semtech.com