C3D46A Silicon Carbide Schottky Diode Z-Rec Rectifier RM = 6 V I F(AVG) = 4 A Q c = 8.5 nc Features 6-Volt Schottky Rectifier Optimized for PFC Boost Diode Application Zero Reverse Recovery Current Zero Forward Recovery Voltage High-Frequency Operation Temperature-Independent Switching Behavior Extremely Fast Switching Positive Temperature Coefficient on V F Package TO-22-2 Benefits Replace Bipolar with Unipolar Rectifiers Essentially No Switching Losses Higher Efficiency Reduction of Heat Sink Requirements Parallel Devices Without Thermal Runaway PIN 1 PIN 2 CASE Applications Switch Mode Power Supplies Power Factor Correction - Typical PFC P out : 4W-6W Part Number Package Marking C3D46A TO-22-2 C3D46 Maximum Ratings Symbol Parameter Value Unit Test Conditions Note RM Repetitive Peak Reverse Voltage 6 V SM Surge Peak Reverse Voltage 6 V V DC DC Blocking Voltage 6 V I F(AVG) Average Forward Current 4 A <16 C I FRM Repetitive Peak Forward Surge Current 22 17 A =25 C, t P =1 ms, Half Sine Wave D=.3 =11 C, t P =1 ms, Half Sine Wave D=.3 Datasheet: C3D46A Rev. A I FSM Non-Repetitive Peak Forward Surge Current 31.9 28.5 A =25 C, t P =1 ms, Half Sine Wave D=.3 =11 C, t P =1 ms, Half Sine Wave D=.3 I FSM Non-Repetitive Peak Forward Surge Current 11 A =25 C, t P =1 µs, Pulse P tot Power Dissipation 75 32.5 W =25 C =11 C, T stg Operating Junction and Storage Temperature -55 to +175 C TO-22 Mounting Torque 1 8.8 Nm lbf-in M3 Screw 6-32 Screw Subject to change without notice. www.cree.com 1
Electrical Characteristics Symbol Parameter Typ. Max. Unit Test Conditions Note V F Forward Voltage 1.5 1.8 1.8 2.4 V I F = 4 A =25 C I F = 4 A =175 C I R Reverse Current 1 2 5 1 μa = 6 V =25 C = 6 V =175 C Q C Total Capacitive Charge 8.5 nc = 6 V, I F = 4A di/dt = 5 A/μs = 25 C C Total Capacitance 251 22 21 pf = V, = 25 C, f = 1 MHz = 2 V, = 25 C, f = 1 MHz = 4 V, = 25 C, f = 1 MHz Note: 1. This is a majority carrier diode, so there is no reverse recovery charge. Thermal Characteristics Symbol Parameter Typ. Unit R θjc TO-22 Package Thermal Resistance from Junction to Case 2.2 C/W Typical Performance 8. 1 7. 6. = 25 C = 75 C = 125 C = 175 C 9 8 7 I F Forward Current (A) 5. 4. 3. 2. I R Reverse Current (μa) 6 5 4 3 2 = 25 C = 75 C = 125 C 1. = 175 C 1..5 1. 1.5 2. 2.5 3. V F Forward Voltage (V) 1 2 3 4 5 6 7 8 Reverse Voltage (V) Figure 1. Forward Characteristics Figure 2. Reverse Characteristics 2 C3D46A Rev. A
I F(PEAK) Peak Forward Current (A) Typical Performance 4 14 14 35 3 25 2 15 1 2% Duty* 3% Duty* 5% Duty* 7% Duty* DC C Capacitance (pf) C Capacitance (pf) 12 1 8 6 4 5 2 25 5 75 1 125 15 175 1 1 1 1 Case Temperature ( C) * Frequency > 1KHz Reverse Voltage (V) Figure 3. Current Derating Figure 4. Capacitance vs. Reverse Voltage Zth ( C/W) Time (s) Figure 5. Transient Thermal Impedance 3 C3D46A Rev. A
Power Dissipation (W) Typical Performance 8 7 6 5 4 3 2 1 25 5 75 1 125 15 175 Case Temperature ( C) Figure 6. Power Derating 4 C3D46A Rev. A
Package Dimensions Package TO-22-2 POS Inches Millimeters Min Max Min Max A.381.41 9.677 1.414 B.235.255 5.969 6.477 C D Z A 1 2 J B E H G F S T P Q U Y X C.1.12 2.54 3.48 D.223.337 5.664 8.56 E.59.615 14.986 15.621 F.143.153 3.632 3.886 G 1.15 1.147 28.67 29.134 H.5.55 12.7 13.97 J R.197 R.197 L.25.36.635.914 M.45.55 1.143 1.397 N.195.25 4.953 5.27 L M N V W P.165.185 4.191 4.699 Q.48.54 1.219 1.372 S 3 6 3 6 T 3 6 3 6 PIN 1 PIN 2 CASE U 3 6 3 6 V.94.11 2.388 2.794 W.14.25.356.635 X 3 5.5 3 5.5 Y.385.41 9.779 1.414 z.13.15 3.32 3.81 NOTE: 1. Dimension L, M, W apply for Solder Dip Finish 5 C3D46A Rev. A
Recommended Solder Pad Layout TO-22-2 Part Number Package Marking C3D46A TO-22-2 C3D46 Diode Model Vf T = V T +If*R T V T =.98+( * -1.8*1-3 ) R T =.1+( * 9.16*1-4 ) Note: T j = Diode Junction Temperature In Degrees Celcius V T R T The levels of environmentally sensitive, persistent biologically toxic (PBT), persistent organic pollutants (POP), or otherwise restricted materials in this product are below the maximum concentration values (also referred to as the threshold limits) permitted for such substances, or are used in an exempted application, in accordance with EU Directive 22/95/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended through April 21, 26. This product has not been designed or tested for use in, and is not intended for use in, applications implanted into the human body nor in applications in which failure of the product could lead to death, personal injury or property damage, including but not limited to equipment used in the operation of nuclear facilities, life-support machines, cardiac defibrillators or similar emergency medical equipment, aircraft navigation or communication or control systems, air traffic control systems, or weapons systems. Copyright 29 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and the Cree logo are registered trademarks and Z-Rec is a trademark of Cree, Inc. Cree, Inc. 46 Silicon Drive Durham, NC 2773 USA Tel: +1.919.313.53 Fax: +1.919.313.5451 www.cree.com/power 6 C3D46A Rev. A