Small Signal Schottky Diodes CDBT-70/S/C/A-G Reverse Voltage: 70 Volts Forward Current: 70 mA RoHS Device Features SOT-23 -Design for mounting on small surface. -High speed switching application, circuit protection. 0.118(3.00) 0.110(2.80) 3 -Low turn-on voltage. 0.055(1.40) 0.047(1.20) Mechanical data 1 2 0.079(2.00) 0.071(1.80) -Case: SOT-23, molded plastic. -Terminals: solderable per MIL-STD-750, method 2026. 0.006(0.15) 0.003(0.08) 0.041(1.05) 0.035(0.90) -Approx. weight: 0.008 grams 0.100(2.55) 0.089(2.25) Circuit diagram 0.004(0.10) max 3 1 3 2 1 CDBT-70-G 3 2 CDBT-70S-G 1 3 2 1 CDBT-70C-G 0.020(0.50) 0.012(0.30) 0.020(0.50) 0.012(0.30) 2 Dimensions in inches and (millimeter) CDBT-70A-G Maximum Ratings and Electrical Characteristics (at Ta=25°C unless otherwise noted) Symbol Value Units VRRM 70 V Reverse voltage VR 70 V Forward continuous current IF 70 mA 100 mA 200 mW Parameter Repetitive peak reverse voltage Conditions Non-Repetitive peak forward surge current IFSM Power dissipation PD Maximum forward voltage VF @IF=1.0mA @IF=15mA 410 1000 mV Maximum reverse leakage current IR @VR=50V 100 nA Maximum reverse recovery time Trr IF=IR=10mA, RL=100Ω, Irr=0.1*IR 5 nS Maximum diode capacitance CD VR=0V, f=1.0MHz 2 pF RθJA 500 °C/W Junction temperature TJ 125 °C Storage temperature TSTG -55 to +150 °C Thermal Resistance Junction to Ambient T=1.0 sec Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 1 QW-BA003 Comchip Technology CO., LTD. Small Signal Schottky Diodes RATING AND CHARACTERISTIC CURVES (CDBT-70/S/C/A-G) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 10 100 10 Reverse Current, (μA) Forward Current, (mA) TA=100°C TA=25°C TA=100°C 1 0.1 0.01 0.2 0.4 0.6 0.8 0.1 TA=25°C 0.01 0 1.0 10 20 30 40 50 60 Forward Voltage, (V) Reverse Voltage, (V) Fig.3 - Capacitance Characteristics Fig.4 - Power Derating Curve 70 300 3.0 O TJ=25 C f=1MHz 2.5 Power Dissipation, (mW) Capacitance Between Terminals, (pF) 0 1 2.0 1.5 1.0 200 150 100 50 0.5 0 250 0 10 20 30 40 50 60 70 0 0 25 50 75 100 125 Ambient Temperature, (°C) Reverse Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 2 QW-BA003 Comchip Technology CO., LTD. Small Signal Schottky Diodes Marking Code 3 Part Number Marking Code CDBT-70-G 73 CDBT-70A-G 76 CDBT-70C-G 75 CDBT-70S-G 74 XX 1 2 xx = Product type marking code Suggested PAD Layout SOT-23 SIZE (mm) (inch) A 0.80 0.031 B 1.90 0.075 C 2.02 0.080 D 2.82 0.111 A C D B Standard Packaging REEL PACK Case Type SOT-23 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 3 QW-BA003 Comchip Technology CO., LTD.