Small Signal Schottky Diodes CDBV3-40/S/C/A-G Reverse Voltage: 40 Volts Forward Current: 200 mA RoHS Device SOT-323 Features -Design for mounting on small surface. 0.087(2.20) 0.079(2.00) -High speed switching application, circuit protection. 3 0.053(1.35) 0.045(1.15) -Low turn-on voltage. 1 Mechanical data 2 0.055(1.40) 0.047(1.20) -Case: SOT-323, molded plastic. 0.006(0.15) -Terminals: solderable per MIL-STD-750, method 2026. 0.003(0.08) 0.043(1.10) 0.096(2.45) 0.035(0.90) -Approx. weight: 0.006 grams 0.085(2.15) Circuit diagram 0.016(0.40) 3 1 3 2 CDBV3-40-G Marking Code:43 1 3 2 CDBV3-40S-G Mark Code:44 1 3 2 1 CDBV3-40C-G Marking Code: 45 0.008(0.20) 2 0.004(0.10) 0.000(0.00) 0.018(0.46) 0.010(0.26) Dimensions in inches and (millimeter) CDBV3-40A-G Marking Code: 46 Maximum Ratings (at Ta=25°C unless otherwise noted) Parameter Symbol Value Units VRRM VRWM VR 40 V Forward continuous current IFM 200 mA Peak surge forward current (T=1.0sec) IFSM 0.6 A Power dissipation PD 150 mW RθJA 833 Junction temperature TJ 125 O C Storage temperature TSTG -65 to +125 O C Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage Thermal resistance, junction to ambient O C/W Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Reverse breakdown voltage Symbol Conditions Min. Max. 40 Units VBR IR=10μA Reverse voltage leakage current IR VR=30V 200 nA Forward voltage VF IF=1mA IF=40mA 380 1000 mV Diode capacitance CD VR=0V, f=1.0MHz 5 pF Reverse recovery time Trr Irr=1mA, IF=IR=10mA, RL=100Ω 5 nS Company reserves the right to improve product design , functions and reliability without notice. V REV:B Page 1 QW-BA005 Comchip Technology CO., LTD. Small Signal Schottky Diodes RATING AND CHARACTERISTIC CURVES (CDBV3-40/S/C/A-G) Fig.1 Forward Characteristics Fig.2 Reverse Characteristics 1000 10000 TA=125 OC Rev er s e Curr e nt (n A) F o r w a r d C u r rent ( mA) 1000 100 TA=125 OC 10 O TA=-40 C TA=0 OC TA=25 OC 1 TA=75 OC 0.1 O TA=75 C 100 10 TA=25 OC 1 TA=-40 C TA=0 OC O 0.1 0 0.2 0.4 0.6 0.8 10 0 1.0 Forward Voltage (V) Fig.3 Capacitance Between Terminals Characteristics 40 30 50 Fig.4 Power Derating Curve 5 400 O TJ=25 C f=1MHz Mounted on glass epoxy PCBs 4 Pow er Dis sipation (mW) Capac i ta n c e Bet w een Te rmin a ls (p F ) 20 Reverse Voltage (V) 3 2 1 300 200 100 0 0 0 10 20 30 40 50 60 70 0 25 50 75 100 125 Ambient Temperature ( Reverse Voltage (V) Company reserves the right to improve product design , functions and reliability without notice. O 150 175 C) REV:B Page 2 QW-BA005 Comchip Technology CO., LTD. Small Signal Switching Diodes Reel Taping Specification P1 F E d P0 W B 3 XXX 1 2 C A P 12 o 0 D2 D1 D W1 SOT-323 SOT-323 SYMBOL A B C d D D1 D2 (mm) 2.25 ± 0.05 2.55 ± 0.05 1.19 ± 0.05 1.55 ± 0.10 178 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.089 ± 0.002 0.100 ± 0.002 0.047 ± 0.002 0.061 ± 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 /–0.10 12.30 ± 1.00 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 + 0.012 /–0.004 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 3 QW-BA005 Comchip Technology CO., LTD. Small Signal Switching Diodes Marking Code 3 Part Number Marking Code CDBV3-40-G 43 CDBV3-40S-G 44 CDBV3-40C-G 45 CDBV3-40A-G 46 XX 1 2 xx/ xxx = Product type marking code Suggested PAD Layout B SOT-323 SIZE (mm) (inch) A 0.80 0.031 B 0.50 0.020 C 1.30 0.051 D 2.20 0.087 A D C Standard Packaging REEL PACK Case Type SOT-323 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 4 QW-BA005 Comchip Technology CO., LTD.