Comchip Small Signal Schottky Diodes SMD Diode Specialist CDBW46-G + Reverse Voltage: 100 Volts Forward Current: 150 mA RoHS Device - SOD-123 Features 0.152(3.85) 0.140(3.55) - Design for mounting on small surface. - + 0.067(1.70) 0.059(1.50) 0.026(0.65) 0.018(0.45) - High breakdown voltage. - Low trun-on voltage. 0.110(2.80) 0.102(2.60) - Guard ring construction for transient protection. Mechanical data - Case: SOD-123, Molded Plastic - Terminals: Solderable per MIL-STD-202, Method 208 - Approx. Weight: 0.04 gram 0.006(0.15) Max. 0.02(0.50) REF 0.004(0.10) Max. Dimensions in inches and (millimeters) Circuit diagram 1 0.049(1.25) 0.041(1.05) 2 Maximum Ratings (at Ta=25°C unless otherwise noted) Parameter Conditions Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage Forward continuous current Symbol Limits Unit VRRM VRWM VR 100 V IF 150 mA Repetitive Peak Forward current (Note 1) @tp<1.0s, Duty Cycle<50% IFRM 350 mA Forward surge Forward current (Note 1) @tp<10ms IFSM 750 mA PD 200 mW RΘJA 625 °C/W Junction temperature Tj -55 to +150 °C Storage temperature TSTG -55 to +150 °C Power dissipation Thermal Resistance Junction to ambient air Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Conditions Reverse breakdown voltage (Note 2) IR=100µA Forward voltage (Note 2) IF1 = 0.1 mA IF2 = 10mA IF3 = 250mA Symbol Min VR 100 Typ Max Unit V VF 0.25 0.45 1.0 V Reverse Voltage Leakage current VR1 = 1.5V VR2 = 10V VR3 = 50V VR4 = 75V IR 0.3 0.5 1 2 µA Diode capacitance VR=0V, f = 1 MHZ VR=1V, f = 1 MHZ CT 20 12 PF Notes: 1.Part mounted on FR-4 board with recommended pad layout. 2.Short duration pulse test used to minimize self-heating effect. Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 1 QW-BA018 Comchip Technology CO., LTD. Comchip Small Signal Schottky Diodes SMD Diode Specialist RATING AND CHARACTERISTIC CURVES (CDBW46-G) Fig.2 - Typical Reverse characteristics IF, Instantaneous Forward Current, (mA) 10,000 1,000 O TA=125 C 100 10 O TA=85 C 1.0 O TA=60 C 0.1 O TA=25 C 0.01 O TA=-55 C 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 O TA=125 C 100 O TA=85 C 10 1.0 O TA=60 C 0.1 O TA=25 C 0.01 0.001 O TA=-55 C 0.0001 20 0 40 60 80 100 VR, Instantaneous Reverse voltage, (V) Fig.3 - Total Capacitance vs. Reverse Voltage Fig.4 - Forward Current Derating 25 f = 1 MHz CT, Total Capacitance , (PF) 1,000 VF, Instantaneous Forward Voltage, (V) IF(AVE), Average forward current,(mA) 0.001 IR, Instantaneous Reverse Current,(µA) Fig.1 - Typical Forward Characteristics 20 15 10 5 1 0 5 10 15 20 25 30 210 Note 1 180 150 120 90 60 30 0 0 VR, DC Reverse Voltage, (V) 25 50 75 100 125 150 TA, Ambient temperature, (°C) Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 2 QW-BA018 Comchip Technology CO., LTD. Comchip Small Signal Schottky Diodes SMD Diode Specialist Reel Taping Specification d P0 P1 T E Index hole F W B C P A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed SOD-123 SOD-123 SYMBOL A B C d D D1 D2 (mm) 1.85 ± 0.10 3.94 ± 0.10 1.57 ± 0.10 1.55 + 0.10 178 ± 1.00 54.40 ± 0.40 13.0 ± 0.20 (inch) 0.073 ± 0.004 0.155 ± 0.004 0.062 ± 0.004 0.061 + 0.004 7.008 ± 0.039 2.142 ± 0.016 0.512 ± 0.008 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 /–0.10 9.50 ± 1.00 (inch) 0.069 ± 0.004 0.138± 0.002 0.158 ± 0.004 0.158 ± 0.004 0.079 ± 0.004 0.315 + 0.012 /–0.004 0.374 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 3 QW-BA018 Comchip Technology CO., LTD. Comchip Small Signal Schottky Diodes SMD Diode Specialist Marking Code Part Number Marking Code CDBW46-G S9 XX xx= Product type marking code Suggested PAD Layout SOD-123 D SIZE (mm) (inch) A A 3.35 0.132 E B 0.80 0.031 C 1.00 0.039 D 4.15 0.163 C B E 2.55 0.100 Standard Packaging REEL PACK Case Type SOD-123 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 4 QW-BA018 Comchip Technology CO., LTD.